Vehicle Identification Numbers (VIN codes)/AM General Hummer/VIN Codes

This page is for decoding AM General Hummer & Hummer H1 VINs only. For Hummer H2 & H3, see the GM VIN page. General Template for AM General Hummer/Hummer H1 VIN format (1992-2006) PositionSampleDescription11Nation of Origin23Manufacturer37Vehicle type4ZEngine Type5ATransmission68Model Code & Body Style7483GVWR90Check digit10YModel year11EAssembly Plant120Production sequence number130145159164173 Nation of Origin +Position 1VIN codeDescription1USA Manufacturer +Position 2VIN codeDescription3AM General Vehicle type +Position 3VIN codeDescription7Commercial vehicles Engine Type +Position 4 VIN Size Type Fuel Valvetrain Engine Family/Notes/Applications X 6.2L V8 Diesel OHV Indirect injection. GM Detroit Diesel V8 (GM RPO code LL4). Version for vehicles over-8,500 lb. GVWR. ('92-'93). Y 6.5L V8 Diesel OHV Indirect injection. GM Detroit Diesel V8 (GM RPO code L57). Version for vehicles over-8,500 lb. GVWR. ('94-'98). D 5.7L V8 Gas OHV TBI. GM Gen I Chevrolet Small-Block V8 (GM RPO code L05). (Optional: '95-'96). Z 6.5L V8 Turbo Diesel OHV Indirect injection. GM Detroit Diesel V8 (GM RPO code L65). Version for vehicles over-8,500 lb. GVWR. (Optional: '96-'98, Standard: '99 - Mid '01). F 6.5L V8 Turbo Diesel OHV Indirect injection. GM Detroit Diesel V8 made by AM General subsidiary General Engine Products LLC. (Mid '01 - '04 & '06 Fleet models). P 6.6L V8 Turbo Diesel OHV, 32 valve Common-rail Direct injection. Duramax 6600 V8 engine (GM RPO code LLY). '06 H1 Alpha. TBI=throttle-body injection Transmission +Position 5VIN codeDescriptionEGM 3L80 3-speed automatic. ('92-'93).AGM 4L80-E 4-speed automatic - electronically controlled. ('94-'04 & '06 Fleet models).HAllison 1000 series 5-speed automatic - electronically controlled. ('06 H1 Alpha). Model Code & Body Style +Position 6-7VIN codeDescription55KSC2: 2-Passenger, 2-Door Hard Top w/Enlarged (Extended) Cab - K-series (Commercial/Fleet only model) ('02-'04, '06)56KSC4: 4-Passenger, 4-Door Hard Top - K-series (Commercial/Fleet only model) ('02-'04, '06)57KSCS: 4-Passenger, 4-Door Enclosed Wagon - K-series (Commercial/Fleet only model) ('03, '06)82HMC2: 2-Passenger, 2-Door Hard Top ('92-'93)82VLC2: 2-Passenger, 2-Door Hard Top - Value Leader (Recruit Series) ('94-'96)83HMC4: 4-Passenger, 4-Door Hard Top ('92-'01 & a single '02 model)84HMCS: 4-Passenger, 4-Door Enclosed Wagon ('92-'04)84HMDS: 4-Passenger, 4-Door Enclosed Wagon ('06 H1 Alpha)85HMCO: 4-Passenger, 4-Door Open Top w/half doors & plastic windows ('92-'93)85VLCO: 4-Passenger, 4-Door Open Top w/half doors & plastic windows or optional full-height hard doors & glass windows - Value Leader (Recruit Series) ('94)85VLCO: 4-Passenger, 4-Door Open Top w/half doors & plastic windows - Value Leader (Recruit Series) ('95-'96)86HMCF: 2-Passenger, 2-Door Hard Top - Fleet/Industrial ('93)87HMR2 (VLC2): 2-Passenger, 2-Door Hard Top - Value Leader (Recruit Series) ('93)88HMRO (VLCO): 4-Passenger, 4-Door Open Top w/half doors & plastic windows - Value Leader (Recruit Series) ('93)89XLC2: 2-Passenger, 2-Door Hard Top w/Enlarged (Extended) Cab ('94-'01)90HMCO: 4-Passenger, 4-Door Open Top w/full-height hard doors & glass windows ('95-'04)90HMDO: 4-Passenger, 4-Door Open Top w/full-height hard doors & glass windows ('06 H1 Alpha)91HMSB: 4-Passenger, 4-Door Slant Back ('00) GVWR +Position 8VIN codeDescription3Class 3: 10,001 - 14,000 lb. GVWR Assembly Plant +Position 11VIN codeDescriptionEMishawaka, Indiana