127773 SHIFT ASSEMBLY Fits Eaton Models
127773 SHIFT ASSEMBLY Fits Eaton Models
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One New Aftermarket Replacement Electric Shift Assembly for Eaton/Spicer Two-Speed Drive Axles (Waterous Application)
This aftermarket replacement electric shift assembly (part number 127773) is a special-application shift unit designed for Spicer two-speed rear drive axles used in Waterous firetruck/pump configurations. The shift assembly controls engagement of the two-speed axle range, allowing the drivetrain to switch between high and low range under electrical command. This is a specialized variant of the Spicer 502-series electric shift kit, distinct from the standard 12-volt unit (127772) and the GM-specific unit (127770).
Important Application Note: Part number 127773 is the special Waterous-application electric shift unit. It uses a dedicated motor (available only in kit 124650) and a special slider block. Verify your axle model and application before ordering. The standard retrofit replacement for non-Waterous two-speed axles is 113743 (with wiring harness) or 120750 (without wiring harness).
Compatible Applications
Spicer/Eaton Two-Speed Drive Axles (Waterous Firetruck Application): Spicer 502-series two-speed rear axles equipped with electric shift, Waterous pump truck configurations.
Replaces Part Number(s):
127773
New aftermarket replacement part - not remanufactured, not used.



