ENGINE SERIES NUMBER AND SUFFIX CHART Cont Type Model Description Designation C60 283 8 Cyl Taskmaster with H D Clutch and ABC PJ C60 283 8 Cyl Taskmaster with H D Clutch and Air Equip PK C60 283 8 Cyl Taskmaster with H D Clutch ABC and Air Equip PL L60 283 8 Cyl Taskmaster with H D Clutch PM L60 283 8 Cyl Taskmaster with H D Clutch and ABC PN L60 283 8 Cyl Taskmaster with H D Clutch and Air Equip PQ L60 283 8 Cyl Taskmaster with H D Clutch ABC and Air Equip PR T60 283 8 Cyl Taskmaster with H D Clutch PS S67 C70 80 L70 80 M70 S70 3A8 8 Cyl Workmaster TF T70 80 3A8 8 Cyl Workmaster TC C70 80 L70 80 M70 S70 3A8 8 Cyl Workmaster with Powermatic TD T70 80 3A8 8 Cyl Workmaster with Powermatic TE Note Engines are stamped with a source production date and type on serial pad EXAMPLE T0101A Tl 01 O1 Al Tonawanda Month Day Standard 6 cyl 235 Plant January First Models 11 15 17 D 1962 A C50 L50 S50 235 6 Cyl Thriftmaster L C50 l 50 S50 235 6 Cyl Thriftmaster with 62 amp A C Gen LL C60 L60 S50 60 261 6 Cyl Jobmaster LB C60 L60 261 6 Cyl Jobmaster with Air Equip LD C60 L60 S60 261 6 Cyl Jobmaster with Power Steering LE T60 261 6 Cyl Jobmaster LF T60 261 6 Cyl Jobmaster with Power Steering LG C60 L60 261 6 Cyl Jobmaster with Powermatic LJ C60 L60 261 6 Cyl Jobmaster with Powermatic and Power Steering LK C60 L60 261 6 Cyl Jobmaster with Powermatic and Air Equip l l l C50 60 L50 60 S50 60 261 6 Cyl Jobmaster with 62 amp A C Gen LQ C60 L60 S60 261 6 Cyl Jobmaster with H D Clutch and 62 amp A C Gen LR C60 L60 261 6 Cyl Jobmaster with Powermatic and 62 amp A C Gen LT C60 L60 S60 261 6 Cyl Jobmaster with H D Clutch LU C60 L60 S60 261 6 Cyl Jobmaster with Power Steering and H D Clutch LW C60 L60 261 6 Cyl Jobmaster with H D Clutch and Air Equip l X T60 261 6 Cyl Jobmaster with H D Clutch 1 LY T60 261 6 Cyl Jobmaster with Power Steering and H D Clutch LZ l 50 283 8 Cyl Trademaster MD CAO 283 8 Cyl Trademaster M C50 283 8 Cyl Trademaster A ME C60 S60 327 8 Cyl Taskmaster U L60 327 8 Cyl Taskmaster UA T60 327 8 Cyl Taskmaster UB S60 327 8 Cyl Taskmaster with Powermatic UD C60 327 8 Cyl Taskmaster with Air Equip UE L60 327 8 Cyl Taskmaster with Air Equip UF L60 327 8 Cyl Taskmaster with Powermatic UG T60 327 8 Cyl Taskmaster with Powermatic UH C60 327 8 Cyl Taskmaster with Powermatic and Air Equip UJ L60 327 8 Cyl Taskmaster with Powermatic and Air Equip UK C80 L80 M80 3A8 8 Cyl Workmaster TF T80 3A8 8 Cyl Workmaster TC C80 L80 M80 3A8 8 Cyl Workmaster TD A T80 3A8 8 Cyl Workmaster with Powermatic TE C80 L80 M80 A09 8 Cyl Workmaster OD T80 A09 8 Cyl Workmaster QE D60 A 53 Diesel with 5 Speed AD E80 U80 6 53 Diesel with 5 Speed 6D 197O CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATIION P A 318 25