60 62 Ser 40 60 66 Ser 60 thru 80 2 oz type B 3771621 A R 25 60 62 Ser 40 60 66 Ser 60 thru 80 4 oz type B 3771622 A R 35 60 66 ALL 4 oz type E 3771634 A R 35 60 66 ALL 6 oz type E 3771635 A R 45 60 66 ALL 4 oz type F 3771640 A R 35 60 66 ALL 6 oz type F 3771641 A R 45 5 806 HUB Rear Wheel 55 59 Ser 4 w SGL SPD axle splined type cast iron hub A6 flange 60 62 Ser 40 use bolt 3705785 3714727 2 24 95 55 Ser 5 6 splined type forged hub 1 flange 55 59 Ser 4 w 2 SPD axle usebolt 3705784 3705861 2 25 75 56 Ser 9 10 w 18000 lb axle exc 10F TDM w cup 92 O L 2328640 2 105 00 56 57 Ser 10 TDM 56 59 Ser 5 6 7 8 w 15000 lb axle 10 O D 40 splines 3724013 A R 35 95 57 Ser 5 6 7 8 9 10 w 16000111 axle 58 Ser 5 6 7 8 10F w 16000 lb axle 59 Ser 7 8 10F w disc wheels exc A O H B w cup 10 O D 3764906 2 57 50 57 59 Ser 9 10 w 18000 lb axle exc 10F TDM disc wheels 10 bolts 3741030 2 94 80 60 62 Ser 50 60 w 13000 lb axle 65 66 Ser 50 w 13500 lb axle 20 splines 10 bolt holes 3758890 2 32 50 60 66 Ser 50 60 15000 lb axle w 10 hole wheels 65 66 Ser 60 4 cyc DIESEL w 16000 lb axle 40 splines 8 O L 3765586 2 36 65 60 61 Ser 60 70 w 16000 lb axle 62 63 Ser 60 w 17000 lb axle 63 66 Ser 80 TDM exc 4 cyc DIESEL 64 66 Ser 60 17000 lb 2 SPD w elec shift disc wheels 10 bolt holes 3799180 2 87 15 60 66 Ser 80 65 66 Ser 60 TDM DIESEL l J 65 Ser 80 TDM 4 cyc DIESEL disc wheels Eaton 50398 3772956 2 94 80 61 66 Ser 60 15000 lb axle w 20 x 6 5 6 hole wheels exc DIESEL 65 66 Ser 50 4 cyc DIESEL w 15000 lb axle exc TILT 65 66 Ser 60 4 cyc DIESEL w 16000 lb axle disc wheels 40 splines l0 A6 O L 3769391 2 36 65 63 66 Ser 50 w 11000 lb axle exc 4 cyc DIESEL disc wheels 10 bolt holes 3820396 2 32 50 64 66 Ser 80 w 23000 lb axle 10 bolt holes 2382722 2 124 00 66 Ser 60 w 20 x 6 5 6 hole wheel w 15000 lb axle 40 splines 10 O L 3874391 2 39 50 66 Ser 50 60w 15000 lb 2 SPD axles 66 Ser 60 TDM w 28000 lb 2 SPD axles exc DIESEL 10 bolt holes 3874365 2 36 65 66 Ser 60 exc TDM 4 cyc DIESEL 66 Ser 60 w 243 261 W B 10 holes 3874366 2 36 65 5 809 DRUM ASSY Wheel Brake NOTE It will be necessary to know Wheel Type Brake Size and number of stud or lug holes in order to determine the proper drum required FRONT Model Usage Wheel Lug Brake Part Price Type Hales Size N0 S5 Ser 4 5 6 56 59 Ser 4 Disc 6 14 x 2 3754299 21 75 56 59 Ser 5 6 63 66 Ser 50 63 66 Ser 60 w 50001b axle Disc 5 14 x 2 3754315 21 75 3 57 TDM w H D axle Disc 6 15 x 2 3745284 37 00 S 805 5 809 718 Chevrolet Motor Diwgzzg HDT General Motors Corporation REVISED MAY 1 1966