5 527 GEAR UNIT Differential Side w Pinion 57 Ser 7 thru 10 w 16000 lb 2 SPD axle exc SBC 57 58 Ser 5 6 w 16000 lb 2 SPD axle 58 59 Ser 7 8 w 16000 lb 2 SPD axle exc SBC 60 61 Ser 60 70 vv 16000 lb 2 SPD axle 62 65 Ser 60 w 17000 lb 2 SPD 66 Ser 60 4 cyc DIESEL w 17000 lb 2 SPD axle Eaton 64946 2487948 1 50 50 57 59 Ser 5 thru 10 w 16000 lb axle exc 2 SPD 60 61 Ser 60 70 w 16000 lb axle exc 2 SPD 60 65 Ser 70 80 TDM w 30000 lb axle 62 65 Ser 60 w 17000 lb axle exc 2 SPD 66 Ser 60 4 cyc DIESEL w 17000 lb axle exc 2 SPD Eaton 64947 2487949 1 46 75 65 Ser 60 4 cyc DIESEL w 17000 lb axle exc 2 SPD Eaton 44939 24064640 1 38 50 65 Ser 80 4 cyc DIESEL w 18500 lb axle 7 60 ratio Eaton 38155 23021160 1 52 00 65 66 Ser 80 w 18500 lb 2 SPD exc TDM Eaton 38154 23021190 1 58 00 5 528 GEAR Differential Side 55 56 Ser 6 exc H D 29 spline forged 3702292 3702292 2 9 50 55 Ser 5 exc 2 SPD S5 56 Ser 6 w H D 56 59 Ser 5 7 8 TDM SBC exc 2 SPD H D 57 59 Ser 6 exc H D 2 SPD 60 66 Ser 60 70 w 15 17000 lb axle exc 2 SPD 4 cyc DIESEL 64 66 Ser 50 w 15000 lb axle exc 2 SPD 66 Ser 60 4 cyc DIESEL w 15000 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 66 Ser 50 60 2 SPD axle w vacuum shift exc 4 cyc DIESEL 65 66 Ser 60 4 cyc DIESEL w 15000 left 29 splines 1 wide lb 2 SPD axle forged 3708818 3708818 A R 13 85 I 55 59 Ser 4 w 2 SPD axle 55 59 Ser 5 6 7 8 w 2 SPD axle exc I I D 60 61 Ser 60 w 2 SPD axle exc H D 60 61 Ser 70 SBC W 2 SPD axle exc H D 62 65 Ser 50 60 2 SPD axle w vacuum right 29 splines 2 wide shift forged 3708820 3708820 l 13 55 56 57 Ser 9 10 w 18000 lb axle exc 2 SPD 20 teeth 16 sp1ines Eaton 37876 2306442 2 16 15 56 S9 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 2 SPD 60 66 Ser 80 w 18 18500 lb axle 64 65 Ser 80 TDM w 34000 lb axle exc 4 cyc DIESEL 65 Ser 80 4 cyc DIESEL w 18000 i lb axle 6 50 7 60 ratio 65 66 Ser 60 TDM DIESEL exc left and right 18 teeth 16 splines 28000 lb 2 SPD Eaton 37072 2303349 A R 17 25 56 59 Ser 9 10 w 18000 lb 2 SPD axle 60 66 Ser 80 w 2 SPD axle exc TDM 65 Ser 60 TDM 4 cyc DIESEL right 18 teeth 16 splines Eaton w 18500 lb 2 SPD axle 37073 2303348 1 22 35 1966 Chevrolet Motor Division 655 5 527 General Motors Corporation REV lSED MAY i i966