1 946 70 TRANSMISSIONS 2 21 2 TON SPEEDOMETER GEAR NIUMBER CHART I TWO SPEED AXLE 55 5 6 4 SPD 6 35 1 55 5 6 4 SPD 5 32 3689121 3689179 3689121 56 5 6 7 8 1 4 SPD 6 35 56 9 10 exc I TDM SBC 5 SPD 6 39 3732001 3732001 1 3731999 56 58 5 6 7 8 4 SPD 5 32 3689121 3689179 3689179 1 3689179 1 1 56 58 5 6 7 8 5 SPD 5 32 3731994 3731995 3731995 1 3731995 57 7 8 exc TDM 4 SPD 6 39 3689179 3689121 3689179 3689179 3689178 3689179 1 V 57 7 8 exc TDM 5 SPD 6 39 3731995 3731995 3731995 3731995 J V sv sa 9 10 1 I exc TDM 5 SPD 6 39 3731995 1 3731995 3731995 3731995 I V 57 58 9 10 exc TDM H D 5 SPD 6 39 3732001 13732001 3732001 3731999 3732001 3731999 58 5 6 7 8 4 SPD 6 39 3689121 3689179 3689121 3689179 13689179 13689179 1 58 7 8 exc TDM 4 SPD 6 43 3689121 3689121 3689121 1 3689121 3689121 3689121 1 58 5 6 7 8 New 1 1 I Process A 1 5 SPD 6 39 3731994 3731995 3731994 3731995 13731995 3731995 58 9 10 New I 1 1 1 exc TDM Process 1 1 1 1 5 SPD 643 I 3731995 58 9 10 3 1 3 Im 10171 1 1 1 0 s sro 6 43 1 1 3732001 1 59 5 6 7 8 4 SPD 5 32 3760345 3760345 3760345 3760344 3760344 13760344 1 59 5 6 7 8 4 SPD 6 39 3760346 I3760345 3760345 3760344 3760345 13760344 1 59 7 8 exc TDM 4 SPD 6 43 3760347 3760347 3760346 1 3760347 3760346 59 5 6 7 8 New 1 1 Process 5 SPD 5 32 3760349 3760349 3760349 3760348 3760348 13760348 1 59 5 6 7 8 New 1 1 I 1 I Process I 1 5 SPD 6 39 3760350 3760349 3760349 31760348 3760349 3760348 59 7 8 exc TDM New 1 I 1 1 Process 5 SPD 6 43 3760351 3760351 3760350 13760351 13760350 1 59 7 8 exc TDM Clark I 5 SPD 5 32 3760353 13760353 3760353 3760352 I 3760352 3760352 I 59 7 8 exc TDM Clark 1 1 5 SPD 6 39 3760354 13760353 3760353 3760352 3760353 3760352 59 7 8 exc TDM 1 Clark 1 5 SPD 6 43 3760355 3760355 3760354 3760355 3760354 i GM PARTS DIVISION GENERAL MOTORS CORPORATION CHEVROLET 72TM REV 5 79 4 45 4 337 4 337 I Y 4r 7