64 66 Ser 80 w 23 000 lb 2 Spd axle 1st design exc Diesel 2454261 1 1405 00 Eaton 60435 6 71 9 14 to 1 ratio Note 1 64 65 Ser 80 TDM Diesel rear rear axle exc 4 cyc Diesel 65 66 Ser 60 4 cyc Diesel exc TDM 67 Ser 60 TDM 4 cyc Diesel w 30 000 Ib axle exc H D Sgl Spd axle 3912357 1 477 00 rr 5 57 to 1 ratio less yoke Eaton 69291 64 65 Ser 80 TDM Diesel rear axle exc P T 3 Spd aux trans 4 cyc Diesel 2488795 1 Eaton 61738 5 57 to 1 ratio 64 65 Ser 80 2 cyc Diesel w 23 000 Ib 2 Spd axle exc TDM 2454880 1 1405 00 5 43 7 39 to 1 ratio Eaton 60433 64 Ser 80 TDM 2 cyc Diesel w Heavy Duty Sgl Spd axle 65 Ser 80 w 18 500 lb Sgl Spd axle 8870221 1 640 00 6 50 7 60 7 17 ratio Eaton 68935 64 70 TDM w 34 000 Ib axle frt rear axle 3933843 1 1340 00 7 17 to 1 Eaton 77963 less yoke Note 4 NOTE 4 When using on jobs with 16 ring gear it will be necessary to rework axle housing to accept the new 16V ring gear 65 Ser 50 4 cyc Diesel w 15 000 Ib 2 Spd axle exc Tilt 65 Ser 60 4 cyc Diesel w 15 000 Ib 2 Spd axle exc Air Equip 2457248 1 588 30 5 83 7 95 to 1 ratio 65 Ser 50 60 4 cyc Diesel w 15 000 Ib 2 Spd axle exc Air Equip 2468931 1 588 30 5 29 7 20 to 1 ratio 65 66 Ser 60 4 cyc Diesel w 16 000 Ib axle exc 2 Spd 8878803 1 468 00 7 20 to 1 ratio 65 Ser 80 TDM 4 cyc Diesel w 34 000 Ib axle 2487426 1 730 00 rear rear Eaton 47172 6 69 to 1 ratio 65 Ser 80 TDM 4 cyc Diesel w 34 000 Ib axle exc Air Equip 2487427 1 730 00 rear rear Eaton 47173 7 80 to 1 ratio 65 Ser 80 TDM 4 cyc Diesel w 34 000 Ib axle 2394941 1 730 00 rear rear Eaton 47774 8 60 to 1 ratio 60 66 Ser 80 TDM w 30 000 lb axle 67 70 Ser 60 TDM w 30 000 Ib axle 8 cyl 3907925 1 1219 20 front rear 7 17 to 1 ratio Eaton 69847 Note 2 65 Ser 80 TDM 4 cyc Diesel w 30 000 lb axle Air Brake 2488797 1 1212 00 front rear 7 17 to 1 ratio 65 Ser 80 TDM 4 cyc Diesel w 30 000 lb axle Air Brake 2488798 1 1212 00 front rear 7 60 to 1 ratio 65 Ser 80 TDM 4 cyc Diesel w 34 000 lb A axle 2487423 1 1738 00 w Torque divider 7 80 to 1 ratio 65 Ser 80 TDM 4 cyc Diesel 34 000 lb axle exc Air Equip 2447474 1 1430 00 w Torque divider Eaton 59412 8 60 to 1 ratio 65 Ser 80 4 cyc Diesel w Clark 5 Spd 18 500 Ib axle exc 2 Spd 8870223 1 640 00 7 60 to 1 ratio Eaton 57000 65 66 Ser 60 4 cyc Diesel Air Equip w 16 000 Ib axle 2235673 1 765 90 Timken B 3 38000 X 518 6 16 8 48 to 1 ratio 65 66 Ser 60 4 cyc Diesel w 16 000 Ib axle exc Air Equip 2235663 1 781 45 Timken B 66 3800 X 518 6 16 8 48 to 1 ratio 65 66 Ser 60 4 cyc Diesel w 16 000 lb axle exc Air Equip 2235664 1 781 45 Timken B 71 X 518 6 61 9 09 to 1 ratio 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATlON P A 31S T 5 505 5 505 5 196 REV 6 71