46 55 2 Spd w vac shift 1st Ser 36823815 4 8 50 9 teeth stamped 3683815 52 55 2 Ton lst Ser exc 2 Spd A 55 59 Ser 4 w Sgl Spd 55 56 Ser 6 exc H D 60 62 Ser 40 60 63 Ser 50 60 w 11 13 000 lb axle 64 66 Ser 50 exc 15 000 lb axle 4 cyc Diesel 65 Ser 50 Tilt 4 cyc Diesel exc 15 000 lb axle 66 Ser 50 4 cyc Diesel exc 15 000 lb axle 67 70 Ser 40 3697745 4 5 70 10 teeth shaft hole Va 55 59 Ser 4 w 2 Spd axle 55 Ser 5 55 56 Ser 6 w H D exc 2 Spd 55 56 Ser 6 w 2 Spd 56 59 Ser 5 7 8 TDM SBC exc H D 57 59 Ser 6 exc H D 60 61 Ser 60 70 w 15 000 lb axle 62 66 Ser 50 60 w 15 000 Ib axle exc 4 cyc Diesel 2 Spd 62 66 Ser 60 w 17 000 Ib axle exc 4 cyc Diesel 2 Spd 65 Ser 60 4 cyc Diesel w 15 000 Ib 2 Spd axle 65 Ser 50 4 cyc Diesel w 15 000 lb axle exc Tilt A 66 Ser 50 60 4 cyc Diesel w 15 000 lb axle exc 2 Spd 67 68 Ser 50 60 w 15 000 lb axle exc 2 Spd 69 Ser 50 w 6 17 7 20 ratio 69 Ser 60 w 6 17 7 20 ratio exc SBC TDM 70 Ser 50 60 w 15 17 000 lb Sgl Spd axle 3708817A R 8 50 9 teeth shaft hoIe 6 56 57 Ser 9 10 w 18 000 lb 2 Spd axle 58 59 Ser 9 10 w 18 000 Ib axle 60 66 Ser 80 w 18 000 lb axle 64 66 Ser 80 TDM 34 000 lb axle exc 4 cyc Diesel 65 Ser 60 TDM 4 cyc Diesel w 28 000 lb axle exc 2 Spd 67 70 Ser 60 w 18 500 34 000 lb axle 2299421 4 8 2IEi 10 teeth shaft h0Ie 1 Eaton 37071 64 66 Ser 80 w 23 000 Ib axle exc 4 cyc Diesel 70 Ser 60 Tilt w 23 000 Ib axle 512287 4 94 00 11 teeth Eaton 39347 65 66 Ser 60 4 cyc Diesel w 16 000 Ib axle 2363591 4 6 30 66 70 Ser 50 60 w 2 Spd axle exc 18 500 23 000 34 000 Ib axle 31873574 4 8 10 10 teeth 68 70 Ser 60 w 23 000 lb axle 1612280 1 8 50 1971 CHEVROLET MOTOR DIVISION GENERAL MOTORS CORPORATION P A 31S REv 6 71 5 2115 5 526 5 526