ENGINE SERIES NUMBER AND SUFFIX CHART Cont Type Model Description Designation w C40 283 8 Cyl Trademaster M L50 283 8 Cyl Trademaster N L60 283 8 Cyl Taskmaster NA L60 283 8 Cyl Taskmaster with Air Equip NB T60 283 8 Cyl Taskmaster ND C60 S60 283 8 Cyl Taskmaster with Powermatic NE C60 283 8 Cyl Taskmaster with Powermatic and Air Equip NF L60 283 8 Cyl Taskmaster with Powermatic NG L60 283 8 Cyl Taskmaster with Powermatic and Air Equip NH T60 283 8 Cyl Taskmaster with Powermatic NM C50 S50 283 8 Cyl Trademaster P C60 S60 283 8 Cyl Taskmaster PA C60 283 8 Cyl Taskmaster with Air Equip PD S67 C70 80 L70 80 M70 70 348 8 Cyl Workmaster TF 170 80 348 8 Cyl Workmaster TC C70 80 L70 80 K I M70 S70 348 8 Cyl Workmaster with Powermatic TD T70 80 348 8 Cyl Workmaster with Powermatic L TE Note Engines are stamped with a source production date and type on serial pad EXAMPLE T0101A Tl 01 01 Al Tonawanda Month Day Standard 6 cyl 235 Plant January First Models 11 15 1700 1961 C50 150 550 235 6 Cyl Thriftmaster L C60 L60 S60 261 6 Cyl Jobmaster LB wv 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 26l 6 Cyl Jobmaster with Power Steering LG C60 L60 S60 261 6 Cyl Jobmaster with Powermatic LJ C60 L60 S60 261 6 Cyl Jobmaster with Powennatic and Power Steering LK C60 L60 261 6 Cyl Jobmaster with Powermatic and Air Equip Uvl 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 LX T60 261 6 Cyl Jobmaster with H D Clutch LY T60 261 6 Cyl Jobmaster with Power Steering and H D Clutch LZ C40 283 8 Cyl Trademaster M L50 283 8 Cyl Trademaster N L60 283 8 Cyl Taskmaster NA L60 ZKB 8 Cyl Taskmaster with Air Equip NB T60 283 8 Cyl Taskmaster ND C60 S60 283 8 Cyl Taskmaster with Powermatic p NE C60 283 8 Cyl Taskmaster with Powermatic and Air Equip NF L60 283 8 Cyl Taskmaster with Powermatic NG L60 283 8 Cyl Taskmaster with Powermatic and Air Equip NH T60 283 8 Cyl Taskmaster with Powermatic NM C60 283 8 Cyl Taskmaster with 4BC NK L60 283 8 Cyl Taskmaster with 4BC NL C60 283 8 Cyl Taskmaster with Air Equip and 4BC NS L60 283 8 Cyl Taskmaster with Air Equip and ABC NR C60 283 8 Cyl Taskmaster with Powermatic and 4BC NU L60 283 8 Cyl Taskmaster with Powermatic and 4BC NV C60 283 8 Cyl Taskmaster with Powermatic Air Equip and 4BC NW L60 283 8 Cyl Taskmaster with Powermatic Air Equip and 4BC NX C50 S50 283 8 Cyl Trademaster P C60 S60 2K3 8 Cyl Taskmaster PA C60 283 8 Cyl Taskmaster with Air Equip PD C60 S60 283 8 Cyl Taskmaster with H D Clutch PG l97O CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 3lS 1 24