Meritor Rockwell ZF 9-Speed RMX9-125A Parts Manual
This is the Rockwell / Meritor Illustrated Parts List (document PB-94134) covering the RMX9-125A transmission. Use it to identify every serviceable part in your unit — assemblies, gears, shafts, housings and seals — before you order replacements.
| Models covered | RMX9-125A |
| Transmission type | 9-speed, twin-countershaft, heavy duty |
| Document | PB-94134 Illustrated Parts List (Rockwell / Meritor) |
| Length | 203 pages |
| Format | PDF — view below or download free |
What’s inside
- Service kits & assemblies with recommended stocking quantities
- Mainshaft & countershaft gear groups
- Drive gears, idler & auxiliary drive gears
- Case, clutch & shift-bar housings
- Shift lever, forks & selector assemblies
- Bearings, seals, snap rings & small parts
- Air-shift and range-control components (where fitted)
- Exploded parts diagrams with OEM part numbers
Read the manual
Rockwell / Meritor parts & units we stock
Pro Gear and Transmission stocks new, remanufactured and good-used parts for Rockwell / Meritor transmission units:
Not sure exactly which unit you have? Check our identification guides, or Ask an Expert — send us photos of your data tag and our drivetrain specialists will identify the unit and the exact parts you need. Or call (877) 776-4600.