BAL ACCU-Slide compact motor assemblies can look nearly identical but differ in motor torque and whether the gearbox sprocket faces up or down. Use the original manufacturer identification pictures and service numbers below to compare the installed motor, gearbox and drive arrangement before ordering.
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Original BAL motor identification photographs
The manufacturer's illustrated sheet shows all four compact assemblies alongside the label differences between the standard 64ZY motor and the 68ZY high-torque version. Check sprocket orientation against your existing unit.

On phones, open the original diagram separately to enlarge the motor labels and gearbox pictures.
Identify your compact assembly
| Complete assembly | Motor type | Gearbox orientation | Replacement motor only |
|---|---|---|---|
| 21900000 | Standard 64ZY | Sprocket up | R25074 |
| 21900001 | Standard 64ZY | Sprocket down | R25074 |
| 21900002 | High-torque 68ZY | Sprocket up | R25075 |
| 21900003 | High-torque 68ZY | Sprocket down | R25075 |
All four compact versions use the R25076 gearbox, BAL mounting tray 854291 and flexible drive shaft 854769. The motor component is different between standard and high-torque configurations. The gearbox is mounted separately from the motor on the compact assembly.
Motor-only and complete-assembly choices
The 25076-1 service kit is a gearbox and mounting bracket, not a new motor. Likewise, the R25074 and R25075 listings are motor-only parts, so they do not include the gearbox or complete bracket assembly.
Check orientation, torque and older motor replacements
Check the installed label for 64ZY or 68ZY, inspect the sprocket position and compare the existing flexible drive shaft before fitting a replacement. Older assemblies may use different shaft connections. BAL lists older 22311, P22309, R25060, R25061 and R25062 components as discontinued; some require replacing the entire compact motor-and-gearbox kit rather than the motor alone.
For cables, pulleys and chain adjusters, see the BAL G4 Econo and Hybrid parts diagrams. For other slide-drive systems, browse the RV slide-out and jack diagrams index.
See related replacement parts
Compare these product photos and part numbers with your existing component. Open any item to check its full listing before ordering.




