55 Ser 5 exc 2 SPD 55 56 Ser 6 w H D 56 59 Ser 5 7 8 TDM SBC exc 2 spu 11 1 J 57 59 Ser 6 exc H D 2 SPD 60 64 Ser 60 70 w 15 17000 lb axle exc 2 SPD left and right 55 59 Ser 4 w 2 SPD axle 55 59 Ser 5 6 7 8 SBC w 2 SPD axle exc H D 60 61 Ser 60 w 2 SPD 62 64 Ser 50 60 2 SPD axle w vacuum shift left 29 splines 1 wide 62 64 Ser 60 DIESEL w 2 SPD axle forged 3708818 3708818 A R 13 40 55 59 Ser 4 w 2 SPD axle 55 59 Ser 5 6 7 8 w 2 SPD axle exc I LD 60 61 Ser 60 w 2 SPD axle exc H D 60 6 1 Ser 70 SBC w 2 SPD axle exc l l D 62 64 Ser S0 60 2 SPD axle w vacuum A shift right 29 sp1ines 2 A wide forged 62 64 Ser 60 DIESEL w 2 SPD axle 3708820 3708820 1 13 40 56 57 Ser 9 10 w 18000 lb axle exc 2 SPD 20 teeth l6 splines Eat0n 37876 2306442 2 16 15 56 59 Ser 9 10 w 18000 lb 2 SPD axle 60 62 Ser 80 w 2 SPD axle left 58 59 Ser 9 10 w 18000 lb axle exc V 2 SPD 60 64 Ser 80 exc 2 SPD axle TDM left and right 18 teeth Eaton 37072 2303349 A R 17 25 56 59 Ser 9 10 w 18000 lb 2 SPD axle 60 64 Ser 80 w 2 SPD axle right 18 teeth Eaton 37073 2303348 1 22 35 l 57 Ser S 6 7 8 9 10 w 16000 lb axle exc 2 SPD w vacuum shift 58 59 Ser 5 6 7 8 10F w 16000 lb axle exc 2 SPD w vacuum shift 60 61 Ser 60 70 w 16000 lb axle exc 2 SPD w vacuum shift 62 64 Ser 60 w 17000 lb axle exc 2 SPD w vacuum shift right 60 64 TDM left and right 16 sp1ines Eaton31943 2258728 A R 13 15 57 Ser 5 6 7 8 9 10 16000 lb 2 SPD axle w electric shift 58 59 Ser 5 6 7 8 16000 lb 2 SPD axle w electric shift 60 61 Ser 60 70 16000 lb 2 SPD axle w electric shift 62 64 Ser 60 17000 lb 2 SPD axle w electric shift right 16 sp1ines Eat0n 31944 2258729 1 17 50 55 59 Ser 4 w SGL SPD axle 60 62 Ser 40 60 62 Ser 50 w 11 13000 lb axle 60 62 Ser 60 SBC W 13000 lb axle 63 64 Ser 50 exc 2 SPD axle 18 teeth 27 splines 3697746 2 9 20 5 529 GEAR ASSEMBLY Ring and Pinion not sold separately Part numbers appearing in parenthesis are those of the ring gear and pinion respectively 55 59 Ser 4 w SGL SPD axle A 55 56 Ser 6 exc H D 60 61 Ser 40 lst design 63 64 Ser S0 w 11000 lb axle 37 6T hypoid 3652522 3652549 604427 1 65 75 55 Ser 5 exc 2 SPD 55 56 Ser 6 w H D 56 57 Ser 5 7 8 TDM SBC exc 2 SPD A H D 57 Ser 6 62 64 Ser 60 DIESEL exc 2 SPD axle 37 6T hyp0id 3711488 3711489 3718100 A R 89 10 5 528 5 529 Chevrolet Meter HD1 General Motors Corporation REVISED JANUARY 1 1964 4