67 68 Ser 50 SBC w 130 amp gen 292 exc P S 67 68 Ser 40 thru 60 w H D Cooling 292 exc Tilt 67 68 Ser 50 60 w P S 292 exc C A C H D Cooling Tilt 67 68 Ser 50 SBC w P S 6 cyl 67 68 Ser 50 TDM 366 68 Ser 50 w 62 amp 292 exc C A C P S H D Cooling Tilt SBC 68 Ser 60 TDM w 62 amp 292 exc C A C P S H D Cooling 3720616A R 40 REINFORCEMENT cup shape V deep 4 O D x l D w 4 holes Note 2 NOTE 2 Pumps having fan and pulley hub pressed to 348 dim must use this reinforcement when replacing pump with pressed dim of 288 61 69 All 348 409 366 68 69 All 427 exc TDM 70 All 366 427 3788629A R 40 REINFORCEMENT cup shape V deep 4 O D x V4 W 4 V3z holes 62 66 Ser 80 6V 53 5108219 1 55 SEAL oil fan pulley to spindle 62 63 Ser 60 Diesel 3779986 4 10 WASHER fan hub Wu O D 0 293 1 064 BLADE ASSEMBLY BOLT BRACKET SPACER Fan NOTE Original equipment fans may be replaced by fans with additional blades higher strength material or composite bolt circles 38 55 Utility low speed operation 1st Ser 3707662 1 6 90 18 dia 6 blades 39 55 Utility lst Ser exc 261 839020 1 5 10 18 dia 4 blades 55 57 Ser 5 55 57 Ser 6 6 cyl 56 Ser 6 w P T 8 cyl 56 57 Ser 7 9 10 56 57 Ser 8 w P T 58 59 Ser 6 w P T 6 cyl exc A O H B 58 59 Ser 6 D D T 58 59 Ser 10 SBC 58 59 Ser 7 283 59 Ser 8 283 60 62 Ser 50 60 w H D Rad exc Tilt 327 348 63 Ser 50 60 w H D Rad 292 exc Tilt 64 65 Ser 50 60 w H D Rad exc 348 64 Ser 60 TDM w H D Rad 292 64 66 Ser 60 327 exc P T Tilt 65 66 Ser 50 60 w C A C 292 66 Ser 50 w H D Rad exc Tilt 66 Ser 60 TDM SBC w H D Rad exc Diesel 67 68 Ser 50 60 327 exc Tilt H D Cooling C A C 3750512 1 13 05 20 dia 5 blades 55 56 Ser 6 8 cyl 56 Ser 8 exc P T 57 Ser 6 8 cyl exc D D 58 59 Ser 5 58 59 Ser 6 exc D D A O H B P T 60 Ser 40 w H D Rad 61 62 Ser 40 w H D Rad exc Fan Drive Equip 3745403 1 11 90 19 dia 5 blades 55 57 Ser 4 8 cyl 60 62 Ser 40 exc H D Rad Fan Drive Equip 3881239 1 4 35 55 57 Ser 4 6 cyl 1971 CHEVROLET MOTOR D V SlON GENERAL MOTORS CORPORATION P A 31S 1 062 1 064 1 8 REV 6 7 I