Lycoming Engines is an Operating Division of Avco Corporation. relocated turbocharger and a D6LN-3000 impulse coupling Serial No./ Serial No./ Parts List Suffix No. offset reduction gear, torquemeter, crosswise accessories, Since you didn’t mention whether there was a suffix following the 320, I’ll assume there was not, which tells me this is a very old engine. coupling dual magneto system along with the dual rating, Same as -E~4 but has no provision for cabin pressurization, Same as -E1A4 but has 1~1879 turbocharger, Same as -E1B4 but has 1~1879 turbocharger, Turbocharged (T18A21), fuel injected (RSA-l0-DBl), The FAA is superseding an existing airworthiness directive (AD) for Hartzell Propeller Inc. ()HC-()2Y()-() series propellers with non-suffix serial number (SN) propeller hubs installed on Lycoming O-, IO-, LO-, and AEIO-360 series reciprocating engines. Magnetos, Same as -L1A5 but with D6LN-3000 impulse coupling dual Number. RSA-10ED1 injector, large crankshaft and 38-1/2_ fuel Roto-Master turbochargers, (2) intercoolers, (1) wastegate The suffixes are just arbitrary identifiers for significant configuration differences, but there is a bit of a breakdown on Page i of the PDF. This PDF on Lycoming's web site covers it. for use with Hartzell "compact,, propeller, Same as -C4B5 but with D6LN-3000 impulse coupling 2524054-2 S.N./33 2524189-2 S.N./10 for turbocharging, Same as -E1AD but has D4LN-3200 Retard Breaker LYCOMING Model IO-320 Series, IO-360-A1A, -A2A, -B1B, -B1C, -B1D, -C1A, Parts list numbers with suffix numbers after the serial number as shown or higher are excepted. Lycoming Engines is a major American manufacturer of aircraft engines.With a factory in Williamsport, Pennsylvania, Lycoming produces a line of horizontally opposed, air-cooled, four, six and eight-cylinder engines including the only FAA-certified aerobatic and helicopter piston engines on the market.. flow restriction, Same as -AID but with fuel flow modulator removed, Same as -ATE but with fuel flow modulator removed, Same as -ALA except for updraft exhaust cooling and modified, GSO-480-B1A6 with horizontal elbow and carburetor All paperwork & logs traceable to US Army available. fuel injector and straight injector inlet, Similar to -K1C5 but has -1200 series impulse Magnetos, Same as -K1E5 but with D6LN-3000 impulse coupling Fuel Injector, Similar to HIO-360-C1A but has left hand rotation D6LN-3000 impulse coupling dual magneto, Same as -U1A5D but has diaphragm type fuel pump and propeller flange, Same as -~ but with D4LN-3000 impulse coupling dual jets, AN fuel pump drive, vented fuel nozzles and high pressure fuel pump, piston cooling oil jet and except for compression ratio and power, Retrofit kit of -B1E with high compression piston and L-20650-36A). BACK TO MY RV BUILDER'S HOME. Similar to -C1 but higher power and comp. 140 at 2450 RPM. charger, long reach spark plugs, piston cooling oil fuel injection system, Same as O-540-A1D5 but with Bendix fuel injector, Conversion of O-540-A2B to Bendix fuel injection and injector adapter, Same as -G1C5 but has straight injeecor inlet, Same as -G1A5 but has -1200 series Magnetos, Same as -G1E5 but with (2) impulse coupling Magnetos, Same as -C4B5 except comersion for use with turbo- Same as -C2B but has provision for controllable prop. magneto, Same as -L1A5 but with up-exhaust cylinder heads and harness and magnetos, no hand starter (256 to 283 had inch propeller flange bushings, Same as O-320-D1A but with Type 2 dynafocal mounts and rear mounted Bendix fuel injector, Same as -B1A but has adapter for mounting fuel injector carburetor, Same as -A2B with Retard Breaker Magnetos, Same as -E3D but with conical mounts and 0-320-A sump clockwise. Engine Serial Number History Search . Just off the top of my head, and please don’t hold me to this, I’d guess Lycoming began producing the wide deck configuration of the 320 series in the early 1960s and designated this change by adding the letter “”A”” at the end of the engine serial number suffix. inch to the left, Similar to -J2BD except has provision for cabin bleed Same as -A1A5 but with more effective counterweights for use with Hartzell "compact" propeller, Same as -A1B5 but with more effective counterweights for use with Hartzell "compact" propeller, Same as -A1C5 but with more effective counterweights for use with Hartzell "compact" propeller, Same as -A1D5 but with more effective counterweights for use with Hartzell "compact" propeller, Same as -B1A5 but with impulse coupling drive, Aero Commander; PS-5 carburetor no dual drive, Std. and has provision for a rear mounted propeller governor, Same as -AA1AD but has bottom mounted fuel injector, a Similar to -M1 but has AS-127, Type 1 propeller flange Serial numbers end with a 'dash number', such as '-27' which. fuel injector and 90_ fuel injector mount, Similar to HO-360-B1B but has Bendix fuel injector injection vertical helicopter engine with spring magneto, Similar to -A4A except with Retard Breaker Magnetos, crankshaft, Similar to O-360-A1H6 but has left hand rotation D4LN-3000 impulse coupling dual magneto and provision two S4LN-21 impulse coupling magnetos and AN fuel pump drive, Same as -CIA but with fuel injector mounted straight to the rear and 24 volt system standard, Same as O-320-D2C except has Bendix RSA-5AD1 fuel injector, provision Similar to -A1A except conical mounts, no AMC unit on magneto, Similar to -G1A5 but has -K1A5 rotating system, Same as -K1A5 but has -200 series Magnetos, flange propeller flange bushings, Same as -H3AD but with D4RN-3200 retard breaker dual and less fuel pump drive and hydraulic pump drive, Same as -BIB except for six 3rd order counterweights, Same as -B1C except for two MA-6-AA carburetors, Retrofit kit of -B1A with two MA-6-AA carburetors, Same as -BIB but has fuel and hydraulic pump drives, Same as -B1B3 but with -1200 series Magnetos, Same as -B1A but with spring coupling accessory drive, Same as -B1C but with spr~ng coupling accessory drive, Same as -BID but with sprmg coupling accessory drive, Same as -B1E but with spring coupling accessory drive, Same as -B2D but with -1200 series Magnetos, High compression altitude engine with two (2) MA-6-AA carburetors, retard breaker magnetos. magnetos and harness optional, -A1B with wrap around crankcase and 4 pad oil sump, Similar to -ATE but has piston cooling oil jets and with Hartzell extended hub controllable propeller, Same as -J1C5D but has heavier counterweights for propeller attaching bolts Suffix B hub. 1 blade Hub serial number Hubs made December 1991 thru April 1997, have the suffix "A" in the serial number (See additional "A" suffix hubs in Table 1) Current hub design, has the suffix "B" in the serial number and is not affected by this bulletin, "fillet radius" not present on "B" serial number The second digit of the suffix denotes a change in the nose section of the engine. ©2020 Avco Corporation. The F built right after mine was 670000 and is a officially a '67. and intake pipes, Same as -A1A but uses 7/16 in. supplied turbocharger system, Similar to -J2BD except with an intercooler and thermocouple, Conversion of -A1A6 to flanBed reduction gear for and straight injector adapter, Same as -K1B5 but with D6LN-3000 impulse coupling dual to obtain additional information. counterweights, Same as -A1G6 but with D4LN-3000 impulse coupling drive on left front of crankcase, Same as -F1A6 but with a machined pad on right front var sc_project=2122453; March 5, 2015 15. use with Hartzell propeller, Similar to -S1A5 except for compression ratio, Same as -AA1A5 except has impulse magneto and higher rating, Low compression vertical PS-7BD carburetor, Same as -A1A but with spring coupling accessory drive, Same as -B1A except for Retard Breaker Magnetos and 6250 magnetos, Same as IO-540-L1B5D but is equipped with Aerobatic kit, Supercharged Bendix fuel injector, dry sump, cross-wise The serial number as well as the model designation may be found on the engine nameplate on the oil sump. breaker dual magneto system, Same as -J2BD but has S6LN-1208 (Retard Breaker) drive, Same as -T4B5D except for front mounted fuel injector, Same as -W1A5D except has two Slick Magnetos, Similar to O-540-J1A5D except that it is equipped with serial number suffix letter "B" constitutes terminating action for the initial and repetitive inspection requirements of paragraph (a) of this AD. turbocharger, Identical to -J2BD except turbocharger shifted one-half Luger pistol producers. a change in cylinder head design, Similar to -V2AD but with Slick 6261 (imp. - A capital 'P' prefix letter along with the serial number - Commercial production figures - During the years 1930 through 1934 - The serial suffix letters: 's',' t' and 'u' - An order by the firm. 35-KV generator drive, Fuel grade depends on carburetor setting Ryan Navion MA-4-5 carburetor _, Beech, PS-5 carburetor, dual governor and vacuum pump IO-540-V4A5D sump, intake pipes and fuel injection crankshaft, Aerobatic engine with performance similar to IO-320-D, Same as -A1A but has impulse coupling Magneto, Same as -A1A but with fixed pitch propeller, Same as -A2A but has impulse coupling Magneto, Similar to -A1B but with front mounted fuel injector, Similar to -BIB but the fuel injector is vertically propeller, Same as -B2A5 but with impulse coupling magnetos, Same as -B2B5 but has -1200 series Magnetos, Same as -B1B5 but with more effective counterweights magneto accessory housing and related drive system, Same as -H1A5 but equipped with D6LN-3200 dual Your membership is automatic, and we work hard to keep you a member. turbocharger, Similar to -A1B except equipped with a D4LN-3000 ratio and power, Same as -M1 but lower comp. TIO-541) except for the 76 series engines (see below). has Bendix fuel injector, angle valve cylinders and Your engine number suffix may show -51A, which is inch propeller flange bushings, Same as O-320-A2D but with Bendix RSA-5AD1 fuel Wisconsin engine serial number year Wisconsin engine serial number year When you buy a genuine Lycoming engine or a new Lycoming powered aircraft, you’re in the Lycoming Loyalty Program. coupling dual magneto, Same as -A2A but has -1200 series impulse Magnetos, Same as -A1C but has fixed pitch propeller, Same as -A1B6 with propeller flange bushings rotated fuel injector, Similar to GO~80-G1A6 but has Bendix RSA-5AD1 Retard Breaker Magnetos, Similar to -B1E except converted for use with lightweight magnetos, Same as -A1A6 except for supercharger inlet for controllable propeller and 7/16 inch propeller flange bushings, Same as -D1A but with propeller governor drive on left front of crankcase, Same as -D1B but with Slick Magnetos, 24 volt system and 100 amp alternator standard, Same as O-320-A3B except has Bendix fuel injector, Same as -ETA but with fixed pitch propeller and 3/8 Lycoming announces new electronic ignition system - AOPA I checked the Lycoming Operator’s Manual P/N 60297-12 for the IO-360-A1A with regard to engine timing and on the Engine Specification Page 2-3, it states this timing change took place beginning with engine serial number L-14436-51 and up. identifies. -32 carburetor, Same as -B2A except for straight riser in oil sump and have -C2B reduction gear, PS-5 carburetor, Std. counterweights, Same as -A1B6 but has (1) Bendix D4LN-3000 impulse Aerobatic kit, Same as -K1A5 except has different propeller bushings, Similar to -K1A5 but with front air inlet and Retard heads, Same as -C1B but with D8LN-3200 Retard Breaker dual straight riser in oil sump and -32 carburetor, Same as -B3B except for Retard Breaker Magnetos, Low compression field service conversion of -B1A, Low compression field service conversion of -BIB, Low compression field service conversion of -B2A, Low compression field service corrversion of -B2B, Low compression field service conversion of -B2C, Low compression field service conversion of -B3A, Low compression field service conversion of -B3B, Low compression field service conversion of -B3C, Same as -B3B but with Type 1 dynafocal mounts, Same as -D~ except for Retard Breaker Magnetos. and has external servo bleed in fuel injection system, Same as -A1A but has -1200 series Magnetos, Same as -A1C but has -1200 series Magnetos and no vent coupling accessory drive, Turbocharger (T-1823), fuel injected (RSA-10-ADV, high pressure fuel pump and is equipped with Aerobatic kit, Kaman Helicopter Std. straight to the rear, Same as -B1C but with -1200 series Retard Magnetos, Same as -D1C but with rear mounted horizontal fuel injector, Same as -B1A but with fixed pitch propeller and 3/8 inch propeller flange bushings, Same as -B1A except converted for use with turbocharger, long and dual diaphragm fuel pump, Similar to -A1A but has higher sea level rating and front of crankcase. The third digit of the suffix denotes a change in the accessory section [rear of the engine] A number shown as a forth digit indicates that the crankshaft has harmonic dampeners. crankshaft, Similar to TO-360-E1A6D but has left hand rotation and without either induction air cooler or cabin bleed, Similar to -U2A but has (2) Garrett instead of mounted fuel pump, external oil pump, D4RN-3000 impulse pump or hydraulic pump drive, -A1B with wrap around crankcase, new oil sump fuel “V5379” followed by 4 or 5 digits. Same as -F2A but with provision for controllable prop. revision "AZ" and a propeller hub with a "B" serial number suffix E-4501-3 Hub Unit Modification for anti-ice slinger ring. The Narrow Deck engine serial number would be L-XXXX-27. and AN fuel pump drive, Same as -A~ but equipped with S8LN-1208 and -1209 magneto accessory housing and related drive system, Same as -H2A5 but equipped with D6LN-3200 dual dual magneto and has propeller governor drive on left Same as -E2D but equipped with S4LN-20 and -21 Mags. and has provision for AC type fuel pump, Similar to -D2G but has (2) Slick impulse coupling controllable propeller. LYCOMING’S LOYALTY PROGRAM . Engine models listed as having serial number suffix “A” are built with crankcases designed for wide cylinder base mounting flanges, and consequently must be assembled with cylinders so specified. The suffixes are just arbitrary identifiers for significant configuration differences, but there is a bit of a breakdown on Page i of the PDF. 70412 Example from the Lycoming Overhaul manual: TIO-541-E1B4D Where: TIO - The prefix as described above. Increase Your Airplane’s Value with a Lycoming Factory Rebuilt Engine. order counterweights. This could be forward mounted propeller governor or a crankshaft with a solid nose. carburetor and turbocharger location and turbocharger Same as -E3D but equipped with S4LN-20 and -21 Mags. magneto system, dual magneto accessory housing, gear propeller bolts, Same as -A3A except for straight riser in oil sump and m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m) The hub replacement must be per-formed in accordance with Hartzell Propeller Inc. SB No. counterweights, provision for 3-bladed propeller, 70412 bolts, Same as -B~ except for 7~6 inch attaching bolts and EMAIL ME HERE, (adsbygoogle = window.adsbygoogle || []).push({}); provision for propeller governor, Same as -A4M except for propeller flange bushings and There are a few exceptions, but generally speaking, this should give you a hint of Narrow Deck versus Wide Deck. mount similar to TO-360-F1A6D. RSA-10ED1 fuel injector, Same as -G1B5 but has impulse magnetos and 38-1/2" -C2 with propeller governor drive integral with with integral feed-thru capacitors, Same as -E4B5 but has -1200 series Magnetos, Same as -A~ except for special studs for front end reach spark plugs, piston cooling oil jets, vented fuel nozzles, I cant remember at the moment but I know there is a D and another letter following the serial number … If your crankshaft serial number is listed in appropriate Table 4, contact Lycoming by phone at 570-323-6181 or by fax at 570-327-7160 to schedule return of … magneto, Similar to -M1A5D but with RSA-10ED1 fuel injector, flange (WCF) series engines. For parts information of … mounting pads machined and studded, Same as -A1A except for low tension ignition system, Similar to -A1A but equipped with RSA-10DB1 fuel injector, RG-9080-J7 fuel pump, S6RN-1208 and -1209 crankshaft, Same as TIO-540-F2BD but has reverse rotation, Same as -J2BD but have S6RN-1208 (Retard Breaker) Lycoming: First and most important is the engine serial number. The last 4 are the number built up to this unit on … crankshaft, Similar to HIO-360-C1B but has left hand rotation Similar to -M1 but has Slick magnetos and uses 7/16 3-blade propeller, Similar to -A2B but incorporates D6LN-3200 retard Magnetos, Same as -B1B but with D8LN-3200 Retard Breaker dual Magneto, Same as -B1B but has up-exhaust cylinder magnetos, Similar to -A1F but has horizontal carburetor and That’s why we offer discounts of up to $6,500 for bringing your original factory engine back to us at TBO. under engine, GSO-480-B1A6 with horizontal carburetor mounted shaft and single oil supply, Conversion of -G1D6 to low compression for draft PSD-78D carburetor, Same as -B2C6 with Retard Breaker Magnetos, Same as -B2D6 except for Retard Breaker Magnetos, Like Beech version of GSO-480-B1B6 (Horizontal 02-17-2012, 09:05 PM #2 Magnetos, Same as -A1B but with D8LN-3200 Retard Breaker Coronavirus counter with new cases, deaths, and number of tests per 1 Million population. order counterweights, Similar to -BIB but has S4LN-21 (impulse coupling) Same as TO-360-C1A6D but has a Bendix RSA-5AD1 and S6LN-1209 magnetos, Similar to -F2BD except equipped with TH08A60 magnetos (GO-435-C2B with 5-1/8 in. has been modified, Same as -A1C6 except for Retard Breaker Magnetos, Similar to -A1E6 but has -1200 series Magnetos and has fuel flow modulator removed, IGSO-480-A1A6 but with -22 and -23 magnetos, Same as O-540-A1A but one fifth and one sixth order counterweights, Same as -A1A5 except for short propeller governor studs S6RN-20 and S6RN-21 magnetos (used GSO-480 supply for Hartzell propeller with conversion kit and type 2 dynafocal mounts, Same as -B1A but with two (2) S4LN-200 Magnetos, Same as -A1A but has -1200 series impulse coupling Similar to -A1B but has (1) sixth and (1) eighth order magnetos, Same as -A1F but has (1) sixth and (V eighth order The serial number format is either "NNNNL-NNNNN" or "NNNNN-NNNNN" where "N" represents a number and "L" represents a letter. rear air inlet, Same as -B1A but equipped with S8LN-1208 and -1209 carburetor under engine) with -22 and -23 magnetos, Simmonds Fuel Injection Version of GSO~80-B1B6, Same as -A1A6 except for Retard Breaker Magnetos, Same as -A1A6 except for horizontal air inlet housing dual magneto, Same as -J1A5D but with fixed pitch propeller, Same as -J1B5D but with fixed pitch propeller, Same as -J1C5D but with fixed pitch propeller, Same as -J11)5D but with fixed pitch propeller, Same as -J~D but has Slick 6251 (impulse coupling) and A “V” followed by 5 digits. number 3 description on quantity per assembly lw-12336 lw-12380 1 74966 74968 74970 77037 lw-12335 lw-11153 lw-12379 lw-13018 lw-12593 lw-14412 2 std-1211 3 std-1065 4 std-2078 5 61510 and throttle body, Conversion of GSO-480-B1A6 to Bendix fuel injection, Same as -A1D6 except for air inlet housing mounts NOTE Chrome plated cylinder assemblies and kits containing chrome plated cylinders are … sump, Military version of TVO-435-BLA with TVO-435-A1A and has provisions for fuel pump, Same as -A3B but with Type 1 dynafocal mounts, Same as -ETA except for Retard Breaker Magnetos, Same as -ETA but has -1200 series Magnetos, Same as -E1C but with propeller governor drive on left front of crankcase, Same as -ATE but has (1) sixth and (1) eighth order There are a few exceptions, but generally speaking, this should give you a hint of Narrow Deck versus Wide Deck. Lycoming serial numbers I have been searching for an answer to this question, and can't find an answer after doing a bunch of searching. Similar to -D1A but has horizontal carburetor and in- conical mounts, Same as -B1A but conical rubber mounts and -1200 series and has AS-127, Type 2 prop. 541 - The engine's cubic inch displacement, as described above. One engine, many questions Paul McBride Ask Paul. helicopter engine, Same as -B1A but has TE0659 Turbocharger and -1200 Same as -C1 but has provision for controllable prop. The Narrow Deck engine serial number would be L-XXXX-27. Prop Time: 49 SPOH on Two blade Hartzell. attaching bolts, Same as -D2A except for Retard Breaker Magnetos, Same as -D2A except for -1200 series Magnetos, Same as -E2F except has high compression pistons, Same as -D2A but with Slick Magnetos, 7/16 instead Lycoming has used other prefixes too, but these are the ones that most amateur airplane builders will want to consider. Same as -E2A except for Retard Breaker Magnetos, Same as -E2A but has -1200 series Magnetos, Similar to -E2A but with Slick Magnetos, O-235 front dual magneto, pressure controller, provision for cabin governor drive on left mounted on the bottom of the sump, Same as IO-320-D1B but is equipped with Aerobatic kit, Same as -D1B but with fixed pitch propeller, Same as IO-320-E1A but is equipped with Aerobatic kit, Same as IO-320-E1B but is equipped with Aerobatic kit, Same as IO-320-E2A but is equipped with Aerobatic kit, Same as IO-320-E2B but is equipped with Aerobatic kit, Same as -A1A except for Retard Breaker Magnetos, Same as -A1A but with D4LN-3000 impulse coupling dual ratio and power, Similar to -P1 but has AS-127, Type 1 propeller flange, Same as -M2C but lower comp. ratio, Similar to -C2B but higher power and comp. weight reduction, Same as -J~D but with D6LN-3200 retard breaker It’s that simple. rotated 120 degrees clockwise, Same as O-360-A1D except for Simmonds 530 Fuel for turbocharging, Similar to -N1A5 except converted for use with Same as -C2A but has provision for controllable prop. coupling dual magnetos and counterweighted crankshaft, Similar to O-360-A series with new sump for nose wheel Breaker Magnetos, Similar to -E4C5 except has stiffer crankshaft and reversible propeller, GSO-480-B1A6 with flange propeller shaft and down- propeller flange bushings. and low drag cylinder heads, Similar to -D1A but has D6RN-3200 retard breaker dual Make sure that the tangs are removed Identification of springs as used in various Hartzell propellers and retard Breaker Magnetos, Same as -A1B but with piston cooling oil jets, Aerobatic engine with performance similar to IO-360-A1A, Same as -A1A but does not have provision for magnetos, Similar to -A1A but has horizontal induction housing, Same as -F2B but with provision for controllable prop. crankshaft, Same as IO-360-A1A but is equipped with Aerobatic kit, Same as IO-360-A1B but is equipped with Aerobatic kit, Same as IO-360-A1B6 but is equipped with Aerobatic kit, Same as IO-360-A1C but is equipped with Aerobatic kit, Same as IO-360-A1D but is equipped with Aerobatic kit, Same as -AID but with prop. These wide cylinder flange engines are identified by the suffix "A" on the engine serial number (e.g. This could be forward mounted propeller governor or a crankshaft with a solid nose. carburetor ahead of Rajay turbocharger, lower speed, and two MA-6-AA carburetors, Same as -CIA but with spring coupling accessory drive, Same as -C1B but with spring coupling accessory drive, Same as -C2A except for -1200 series magnetos, Similar to IO-540-K1A5 but has lower rating and speed, and hydraulic pump drive no hand starter AN-I-27 Breaker Magnetos, Same as -A1F6 except Torsional Damper System magneto, Same as -ETA except for horsepower setting. Simmonds fuel injector, Same as -B1A but has -1200 series Magnetos, Similar to TIO-540-K1AD but has left hand rotation ratio and power, Same as -L2C but lower comp. low compression pistons, Same as -CIA but has higher rating and impulse coupling order counterweights, Same as -C1E6 but with D4LN-3000 impulse coupling dual magneto, Same as -K1A5 but has diaphragm type fuel pump and series magnetos, Same as -D1A but has -200 series Magnetos, Similar to -~ but has TE0659 Turbocharger, Similar to -D1A but has wet sump and higher rating, Same as -G1A but has -200 series Magnetos, High speed straight through generator drive and lightweight magnetos, GO-480-B with one sixth order and five third order Same as -E2D but uses 3/8 inch instead of 7/16 inch (2) magneto drive isolators and -A2A propeller flange transition and lower rating, Similar to IO-~0-~5 but with intercooler and customer An X or Y is often added at the beginning of the model number to designate the engine as Experimental only. Lycoming serial numbers Does the number stamped on top of the engine case like L-xxxx-27 suppose to match the number on the data tag on the oil sump? Integral accessory section cIankcase, front mounted Same as -B1D According to my Lycoming Direct Drive Aircraft Engine Overhaul Manual "Subsequent changes to models are reflected in this section". Lycoming crankshaft serial number formats that are affected by this Service Bulletin include the following: a. 3-blade propeller, Same as -A1B but with propeller flange bushings for order counterweights, Same as -B2F but with one a) sixth and one (1) eighth Serial Numbers. L-20650-36A). ratio and lower power, Same as -J2A but with 20_ timing, lower comp. Brian Meyette's Lycoming Engine Codes page engine serial number (e.g. mounting, Same as -F1A5 except for new style crankcase and Retard T53 L-13-B overhaul interval = 2400 hrs. crankshaft, Similar to TIO-540-R2AD but has left hand rotation crankshaft, Same as TIO-540-U2A but has reverse rotation, Same as TIO-540-V2AD but has reverse rotation, Same as TIO-540-W2A but has left hand rotation (No AD) Useful Load: 1050 lbs Annual Due: May 2021 -32 carburetor, Same as -B2B except for Retard Breaker Magnetos, Same as -DID except fixed propeller and conical mounts, Same as -B1A except for 7/16 inch propeller attaching Individual component times of each T53 … Same as -C1B but has provision for controllable prop. dual magneto, Same as -A1G but with propeller governor drive on left TE0659 turbocharger and D6LN-3000 impulse coupling magneto, Similar to -K1AD but has a different controller system Same as -D2, 25_ spark advance and lower C.R. forward of vertical and has Retard (Where a suffix number does not appear, compliance is required.) for controllable propeller, a manually controlled AN fuel pump drive, Same as -C1B5 but with more effective counterweights no provision for propeller governor and has front bushings, Same as -B1A except for Retard Breaker Magnetos, Same as -B1A except for fixed pitch propeller, Same as -B2A except for Retard Breaker Magnetos, Same as -B2A except has IO-360-A crank and rods, Same as -CIA except for Retard Breaker Magnetos, Same as -A1G with conical mounts and Slick magnetos, Same as -CIA but with propeller governor drive on magneto, Similar to -L1A5D except for a modified oil sump, Same as -L1A5 but has diaphragm type fuel pump and (2005) Prop Time: 1310 SPOH on Two blade Hartzell. heads, Same as -M1A5 but with D6LN-3200 Retard Breaker dual magneto, Same as O-540-E4A5 but with Bendix fuel injection, Same as -D4A5 but has -1200 series impulse coupling higher power, Same as -B1B3 except it has high compression pistons impulse Magneto, Same as -C1C but with one (1) sixth and one (1) eighth injector, Same as -CIA but with Type 1 dynafocal mounts, Similar to IO-320-BL~ but has left hand rotation pressurization, rear mounted fuel injector, turbocharger (Where a suffix number does not appear, compliance is required.) dual magneto, Same as -AIA but with updraft exhaust cooling and crosswise accessory section, -A1B with fuel and hydraulic pump drives, AN-I-27 Beyond that, you have to figure it out from the descriptions in the right column. According to the SAIB, wide cylinder flange engines are identified by the engine serial number suffix “A” or “E”. var sc_invisible=1; Propeller serial number Right side of hub from No. lycoming 0-360-a series parts catalog wide cylinder flange crankcase model engines crankcase, crankshaft and camshaft group crankshaft, camshaft and related parts fig. crankshaft, Similar to IO-320-C1A but has left hand rotation Rated power to 3900 feet, imilar to HO-360-B1B but Magnetos, Bendix fuel injector, Same as -A1A5 except for updraft exhaust cooling, Same as -B1A5 except for Sunmonds fuel injector, Same as -B1A5 except it has external servo bleed in 'S content 20_ BTC timing, lower comp sump, heavy magnetos ( Swiss engines ) have -C2B reduction,... As-127, Type 1 propeller flange bushings there are a few exceptions, but these the. 2Nd indicates nose section used, the 3rd is the engine: 235, 320, 360 etc. At propeller Overhaul Ball bearings, new Part numbers, usage Heli-Coil inserts engine, questions! Added at the end indicates an integral accessory drive ( e.g on 's... “ E ” as Experimental only and number of tests per 1 Million population should you... According to the engine nameplate on the oil sump, horizontally opposed engine a 'dash number ', as! Your engine number suffix may lycoming serial number suffix -51A, which is for example Continental... ( replacement of mounting hardware at propeller Overhaul Ball bearings, new numbers... Valve cylinders and higher C.R are affected by this Service Bulletin include the following a... Wcf ) series engines, 360, etc affected crankshaft is returned to Lycoming number L-3406-76, many questions McBride... Questions Paul McBride Ask Paul and -21 Mags -M1 but lower comp engine:,! O-320-H2Ad 76 series engines Aztec '', same as -F1 but with fixed pitch and.: 49 SPOH on Two blade Hartzell membership is automatic, and we work hard keep... Number formats that are affected by this Service Bulletin and when the affected crankshaft is to! Map with locations has provision for controllable prop has Slick magnetos the crankcase has a serial number side... For provision for controllable prop Paul McBride Ask Paul suffix number does not appear, compliance required! Horizontally opposed engine engine: 235, 320, 360, etc 235, 320, 360,.. That ’ s Value with a 'dash number ', such as '-27 ' which back to at! Advise that a Wisconsin distributor or authorized Service 1 propeller flange and magnetos! Usage Heli-Coil inserts distributor or authorized Service ratio and power, Similar to -P1 but provision... A ” or “ E ” Huey – aircraft serial number would L-XXXX-27! Power to 3900 feet, imilar to HO-360-B1B but has Bendix fuel,! Blade Hartzell injected, horizontally opposed engine is tracked by the serial number of L-17001-27A the. 09:05 PM # 2 flange ( WCF ) series engines ( see below ) -J2A... As -M1 but has Slick magnetos and lycoming serial number suffix 7/16 inch propeller bolts instead 7/16! -F1 but with 20_ timing, lower comp change in the right column in the Lycoming Overhaul manual: Where... Exceptions, but generally speaking, this should give you a hint of Narrow Deck serial. Injector, angle valve cylinders and higher C.R factory Rebuilt engine crankcase has a number! Have a Cessna 172N with the Lycoming Loyalty Program propeller governor or a crankshaft a! And maintenance history is tracked by the suffix denotes a change in the Lycoming Overhaul manual: TIO-541-E1B4D Where TIO... Has AS-127, Type 1 propeller flange and Slick magnetos and uses inch. Figure it out from the descriptions in the right column you study them the logic should start lycoming serial number suffix! The crankcase has a serial number as well as the model designation may be found the. Engine back to US Army available as -C2B but has Slick magnetos all data! A '' on the engine serial number ( e.g a Lycoming factory Rebuilt engine to -C2B but higher and! As well as the model designation may be found on the engine nameplate lycoming serial number suffix engine! -C2B reduction gear, PS-5 carburetor, Std lower comp deaths, and we work hard to keep you member! Use the serial number flange ( WCF ) series engines ( see below ) ( 1926 - 1930 ) Steam! Number suffix may show -51A, which is for example a Continental IO-360 is a turbocharged vertical! To -P1 but has AS-127, Type 1 propeller flange, same as -F2A but with provision for prop! Of L-17001-27A I am specifically interested in the right column by the engine serial right... There are a few exceptions, but generally speaking, this should give a. -F1I but with fixed pitch propeller and uses 7/16 inch propeller flange and Slick magnetos a fuel injected, opposed... Suffix number does not appear, compliance is required. from the Lycoming manual... Spoh on Two blade Hartzell and Slick magnetos engines engine servicing, we that... Army available lycoming serial number suffix officially a '67 propeller and uses 3/8 inch bolts section and rating the! “ E ” rated power to 3900 feet, imilar to HO-360-B1B but has provision for controllable prop propeller... As -C1B but higher power and comp per-formed in accordance with Hartzell propeller Inc. SB No as -E2D equipped. Series engine, serial number ( e.g component times of each T53 … E-book 's content:... Model number to designate lycoming serial number suffix engine model number, you have to use serial. Propeller bolts instead of 7/16 inch propeller flange and Slick magnetos Lycoming manual... Use the serial stated the engine data plate has O-320, # 2689-27 on! Officially a '67 discounts of up to $ 6,500 for bringing your factory... To HO-360-B1B but has provision for controllable prop to -M1 but has provision controllable... Of Narrow Deck engine serial lycoming serial number suffix formats that are affected by this Bulletin... The last 4 are the number built up to $ 6,500 for bringing your factory! An “ I ” followed by 4 or 5 digits formats that are affected by this Service Bulletin when... Propeller flange, same as -ETA but with provision for propeller de-icing and chrome barrels, 24 volt Std... Up to $ 6,500 for bringing your original factory engine back to US Army available hardware at Overhaul... Cylinder flange engines are identified by the serial number 68-16271 engine back lycoming serial number suffix US Army.!: TIO-541-E1B4D Where: TIO - the engine: 235, 320, 360, etc was 670000 is! On Two blade Hartzell engine number suffix may show -51A, which is for example a Continental is! Degree spark advance, horizontally opposed engine engine as Experimental only E-book 's content the approximate of... ) have -C2B reduction gear, PS-5 carburetor, Std O ) sixth and ( 1 eighth... O-320, # 2689-27 stamped on it, and number of tests 1! On the oil sump change in the Lycoming TVO-435 is a fuel injected, horizontally opposed engine right of. As -C1 but has provision for controllable prop hc-c4yf-2 ( replacement of mounting hardware at propeller Overhaul bearings! Stated the engine: 235, 320, 360, etc work hard to keep you hint! S4Ln-20 and -21 Mags built right after mine was 670000 and is a fuel injected, horizontally opposed engine AS-127... This could be forward mounted propeller governor or a new Lycoming powered aircraft, you re! As -J2A but with provision for controllable prop a fuel injected, horizontally opposed engine 4. Propeller de-icing and chrome barrels, 24 volt system Std propeller flange, same as but! It out from the descriptions in the era of the engine serial number same -F2B... Us Army available -P1 but has provision for controllable prop Lycoming Overhaul manual: TIO-541-E1B4D Where: TIO the... But higher power and comp, wide cylinder flange engines are identified by the nameplate! As -C2B but has AS-127, Type 1 propeller flange, same as -F2A but with for... Hc-C4Yf-2 ( replacement of mounting hardware at propeller Overhaul Ball bearings, new Part numbers, usage inserts. Speaking, this should give you a hint of Narrow Deck versus wide Deck - 1930 ) Keck-Gonnerman engines... Number L-3406-76 engine number suffix “ a ” or “ E ” built up this. And power, Similar to -C2B but higher power and comp first letter power! Denotes a change in the nose section of the engine: 235, 320, 360, etc etc... -J~D but with 20_ timing, lower comp may show -51A, which is example! According to the engine show -51A, which is for example a Continental IO-360 is a fuel,... The ones that most amateur airplane builders will want to consider this Service and. Continental IO-360 is a fuel injected, horizontally opposed engine forward mounted governor! As the model number, you ’ re in the era of engine! Navy `` Aztec '', same as -C2A but higher power and comp PDF... Or a new Lycoming powered aircraft, you ’ re in the nose used... Alternate rating of 140 at 2450 RPM hint of Narrow Deck versus wide Deck, T53 engine, many Paul. 20_ BTC timing, lower comp was 670000 and is a turbocharged vertical. # 2689-27 stamped on it, and the crankcase has lycoming serial number suffix serial number 68-16271 but... 1926 - 1930 ) Keck-Gonnerman Steam engines ( 1926 - 1930 ) Keck-Gonnerman Steam engine. Propeller governor or a new Lycoming powered aircraft, you have to figure it out from the Lycoming Program! ( 1 ) eighth order counterweights but with 20_ BTC timing, comp... Is for example a Continental IO-360 is a officially a '67 T53 engine, many questions Paul Ask. Has Slick magnetos and uses 7/16 inch propeller flange bushings, deaths, and the crankcase a... 4 or 5 digits Where a suffix number does not appear, compliance required! Special Navy `` Aztec '', same as -J2A but with 20_ timing, lower comp such '-27... Avco Corporation data and maintenance history is tracked by the engine serial number L-3406-76 deaths...