Massey Ferguson MF 133 Service Reference
Clutch Assembly Service
Clutch free travel check interval, pressure plate specs, and drivetrain specifications.
Service Intervals
100-Hour
- Clutch Travel: Check free travel and adjust as necessary
Power Train
Live PTO Clutch
Dual dry-disc — primary coil spring-loaded 11" dia., secondary Belleville spring-loaded 9" dia.
Independent PTO Clutch
Single dry-disc, 11" dia.
Transmissions
- 6-Speed: Constant mesh, helical primary reduction gears with spur-type speed change gears. Planetary reduction assembly — 6 forward, 2 reverse.
- Multi-Power: Same as 6-speed with 2-stage planetary compounding — 12 forward, 4 reverse.
- 8-Speed: 4-speed forward sliding gear set compounded by dual-range planetary — 8 forward, 2 reverse.