67 Ser 50 60 292 exc TDM 130 amp 67 Ser 40 292 exc 62 amp Tilt 67 Ser 40 Tilt 292 exc 62 amp P S 67 Ser 50 TDM 292 68 69 Ser 40 thru 60 w C A C H D Cooling P S 292 exc Tilt SBC V2 39Vz N C 3887682 1 67 Ser 40 62 amp w C A C 292 67 Ser 50 60 62 amp w C A C 292 exc F S TDM Vz 38Vz N G W 3887688 1 67 68 D D w P S 292 Vz 61 P 3914935 1 69 D D w P S 292 7 41 P 3888401 1 69 Tilt w A I R 292 exc 62 amp P S Vz 49Vz N X 3947147 1 69 Tilt w 62 amp A R w P S 72 45 F G 3947149 1 69 Ser 40 50 w A R 292 exc Tilt Air Brake 130 amp Vz 52V X 3900759 1 Drive Pulley 1 O I O N l A ll g I 4 a 2 1 3 2 6 cyl exc Diesel Drive Pulley Crankshaft Groove No 3 3 or 4 Pulley Systems Driven Dimensions Pulleys 58 59 Ser 6 w A O H B 6 cyl 1st design 72 61 B l W 3914935 1 59 Ser 6 w A O H B 6 cyl 3rd design Vz 62 N B I 3764984 1 59 Ser 6 w A O H B 6 cyl 2nd design 69 Ser 50 w Air Brake 292 exc Tilt SBC Vz 66 N B I 3943162 1 63 Ser 50 w Cool Pack 230 1 z 55 W C 3847709 1 63 66 Ser 60 Cab w Air Equip 292 exc Tilt 67 Ser 50 60 w A O H B exc P S 67 68 Ser 60 Cab w F A Brake exc Tilt V 67 B W 3887683 1 64 Ser 50 60 w Air Cond 292 exc Tilt Air Equip 2 58Vz W C 3951319 1 67 68 Tilt w P S 292 exc 62 amp Vz 53 N G W P 3947150 1 67 68 Ser 40 w H D Cooling C A C w P S 250 exc 62 amp 31 G 3953733 1 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S YT 1 066 1 066 1 16 REV 6 71