62 66 Ser 80 DIESEL W Spicer 5 SPD 63 65 Ser 80 w Spicer S SPD close ratio 409 63 65 Ser 80 w Spicer 5 SPD 409 exc close ratio 4 SPD Aux Trans 63 65 Ser 80 TDM 4 SPD Aux Trans w Spicer 5 SPD exc close ratio ND 41310XR1A 954253 1 18 66 63 66 ALL W Muncie 4 SPD V 2nd design w snap ring ND 41208 1 I D 907528 1 8 62 63 66 ALL w 8 SPD MRC G 213M Q I 77I6 1 20 46 64 65 Ser 80 2 cyc DIESEL w P I7 U joint frt flange ND 5212X1A 905212 1 24 64 58 66 ALL w Clark 5 SPD BEARING UNIT w 1 st and rev gear stop Clark 801447 2474113 1 14 75 4 4 I2 RING NUT Transmission Rear Bearing 55 66 ALL w Muncie 4 SPD snap 3 0 D 2830050 1 30 S6 63 ALL w Spicer 5 SPD exc DIESEL 62 65 Ser 60 2 cyc DIESEL w Spicer 5 SPD exc TILT snap 3 I D x 4 O D x thk 2830052 1 47 55 66 1 4 TON w Muncie 4 SPD 56 66 Ser 50 60 w New Process 4 5 SPD snap 3 I D x 3 O D x thk 2830051 1 46 63 66 ALL w 8 SPD NUT 2 4 16 Fuller 9493 2312739 1 7 20 4 4 3 SPRING PIN Transmission Synchronizer 55 63 ALL w 4 SPD energizing 11 length 591575 2 15 64 66 ALL w Muncie 4 SPD energizing 3841525 2 05 64 66 ALL w New Process 4 SPD energizing 2462245 1 85 55 63 ALL w 4 SPD PIN spring dia x 4 length 591576 4 15 64 66 ALL w Muncie 4 SPD PIN spring 3841526 4 05 4 4 I5 GEAR WASHER Transmission 3rd 4th Sth 7th and 8th Speed 55 61 ALL w 4 SPD 3rd w bushing 24T 1 4 I D x 3 O D 3840045 1 13 20 56 66 ALL w Spicer 5 SPD exc DIESEL 62 66 Ser 60 2 cyc DIESEL w Spicer 5 SPD 3rd 37 and 19 teeth Spicer 30 8 48 3726658 1 41 25 56 66 Ser 60 W New Process 5 SPD 3rd 35 teeth 5 O D 3764228 1 25 50 56 62 ALL w Spicer 5 SPD exc DIESEL 62 66 Ser 60 2 cyc DIESEL w Spicer 5 SPD 63 66 Ser 80 w Spicer 5 SPD exc 409 DIESEL 65 66 Ser 60 w Spicer 5 SPD exc DIESEL 4th 28 and 18 teeth Spicer 30 8 47 3726659 1 29 95 56 64 ALL w New Process 5 SPD 65 66 Ser 60 W New Process S SPD 4th 27 and 24 teeth NP 91177 3727130 1 20 20 60 61 TDM w Spicer 5 SPD O D 60 Ser 80 w Spicer 5 SPD O D 62 65 Ser 60 2 cyc DIESEL w Spicer 5 SPD exc O D 4th 62 66 Ser 60 DIESEL w Spicer 5 SPD O D Sth Spicer 30 8 54 22 teeth 3787164 1 58 50 59 66 Ser 50 60 w Clark 5 SPD close 3rd 34 teeth 5 4 O D Clark ratio exc 4 cyc DIESEL 220280 2337368 1 33 50 60 65 Ser 80 w Clark 5 SPD exc close ratio 60 66 Ser 60 w Clark 5 SPD exc 3rd 35 teeth 5 O D Clark i close ratio 220279 2337367 1 31 75 59 64 ALL w Clark 5 SPD lst design exc DIESEL 64 66 Ser 60 2 cyc DIESEL w Clark 5 SPD 65 Ser 80 4 cyc DIESEL w Clark 5 SPD 4th 27 teeth 4 O D Clark 220278 2337366 1 25 50 62 66 ALL w Muncie 4 SPD 3rd 24 teeth 3830560 1 12 25 1966 Chevrolet Motor Division 4 408 4 415 General Motors Corporation 409 HDT REVISED MAY 1 1966