Borg-Warner 3-Speed Synchomesh Heavy Duty A-55-T-89B

3-Speed Synchomesh Heavy Duty A-55-T-89B is a 3-speed manual transmission created by Borg-Warner and used in Chevrolet and GMC cars.

Produced by Borg-Warner. Rugged construction and lower first and second gear rations make the heavy-duty 3-speed transmission ideally suited for house-to-house service, quietness and long life are assured by the large tooth contact area of the wide-faced helical gears. Steering column gearshift is used for maximum driver convenience. Transmission can handle up to 275 ft.lb. input torque. Usually this transmission requires 2.75 pints of lubricant.

Borg-Warner 3-Speed Synchomesh Heavy Duty A-55-T-89B transmission specifications.
Parameter Value
Type Manual
Gears forward 3
Gears forward ratios 3.17:1, 1.75:1, 1:1
Gears reverse 1
Gears reverse ratios 3.76:1

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