56 64 ALL w P T GEAR reverse sun 2 I D x 3 O D x 1 wide 4 6754832 1 15 10 65 66 ALL w P T GEAR reverse sun 3 0 D x 2 I D x 1 wide 6774317 1 15 10 V 56 ALL w P T SHAFT ASSY output 6756578 1 70 80 57 ALL w P T SHAFT ASSY output 6768248 1 70 80 58 62 ALL w P T 63 65 ALL w P T exc 409 w Aux Trans DIESEL 66 ALL w P T exc TDM DIESEL SHAFT ASSY output 6769293 1 88 75 63 65 DIESEL w P T 63 65 TDM Aux Trans w 409 exc Emerg Air Brake SHAFT ASSY output 6771674 1 89 35 65 66 DIESEL w P T 65 66 Ser 80 TDM w P T exc DIESEL SHAFT ASSY output 6776083 1 89 35 56 66 ALL w P T BUSHING output shaft Z I D x 1 O D 6756835 1 80 4 176 WASHER ROLLER BEARING ASSY Planet Carrier 56 66 ALL w P T splitter planet carrier spacing 2 O D x 1 I D x Z thk 6755581 I 48 56 66 ALL w P T trans splitter thrust thk x 1 I D x 25A O D 6769128 1 4 123 56 66 ALL w P T output shaft 56 57 ALL w P T reverse sun gear shaft 34 thk x 1 I D x 2 O L 6772853 1 45 58 66 ALL w P T reverse sun gear shaft thrust 6769016 1 1 10 55 59 ALL w H T ROLLER frt needle brg O D x O L 440483 19 05 Not required in this group See group 3 515 BEARING ASSY 148402 1 00 4 179 SLINGER SLEEVE BUSHING PLATE Transmission Oil 56 58 ALL W 1 T 6 4 LD X 10 0 1 6758389 1 80 59 66 ALL w P T Z thk 52 I D x 10 O D 6769020 1 83 55 59 ALL w H T SLEEVE front drum 3 0 L 8611654 1 8 80 55 59 ALL w H T BUSHING sleeve 8618162 l 1 85 55 59 ALL w H T PLATE trans center brg lock 3 O L w 2 xmas ug dia 8609426 1 13 4 184 DRUM ASSY BUSHING Transmission Clutch 55 59 ALL w H T rear 8618233 1 9 95 55 59 ALL w H Tr BUSHING rear clutch drum 8618518 1 1 35 4 186 HUB WASHER Transmission Clutch 58 59 ALL I I T w O C rear w washer 8615451 1 9 20 55 59 ALL w H T rear 4 O D 51 teeth 8615144 1 8 65 55 59 ALL w H T WASI 1ER rear hub thrust 1 A O D tang on I D 8615568 1 47 4 187 GEAR DRUM ASSY Transmission Rear Unit U 55 59 ALL w H T clutch internal 6 O D 8613824 1 21 30 55 59 ALL w H T DRUM ASSY brake w drive pins 8613990 1 14 60 A 4 189 CONE KEY SPRING RETAINER Transmission Reverse 55 59 ALL w H T stationary 6 O D 8611937 1 6 85 55 59 ALL w H T KEY stationary cone A O L 8611936 1 24 55 59 ALL w I LT SPRING release 8615314 1 58 55 59 ALL w H T SPRING piston release coil type 8611958 6 37 55 S9 ALL W H T RETAINER piston release spring 4 O D 8611985 1 42 55 59 ALL w H T RETAINER release spring 8615316 1 1 15 all 1966 4 75 4 1 89 364 Chevrolet Motor Division HDT General Motors Corporation REVISED MARCH 1 1966