The Muncie RS6S-P89M3-P1CX or RS6SP89M3P1CX is a rear-mounted power take-off built specifically for the Detroit DT12 transmission in Freightliner or Western Star Class 8 Cascadia and 5700 trucks. It features a solenoid-activated mechanical shift and an internal ratio of 1.8, putting it in the upper end of the RS6S-P89M series range. Output options include direct mount or companion flange. The unit is engineered to use the full torque capacity of the DT12 and can support larger hydraulic pumps without an external pump support bracket, subject to a bending moment limit of 29.5 ft-lb maximum. Call us to confirm the correct output configuration for your application.
Features
Fits Detroit DT12 transmission in Freightliner and Western Star Class 8 Cascadia and 5700 trucks
Solenoid-activated mechanical shift
Internal ratio: 1.8
Available with direct mount or companion flange output options
Uses full torque capacity of the DT12 transmission
Supports larger hydraulic pumps without a bracket, up to a 29.5 ft-lb bending moment maximum
Tech Specs
- Transmission Fitment: Detroit DT12
- Vehicle Application: Freightliner or Western Star Class 8 Cascadia, 5700
- Internal Ratio: 1.8
- Shift Type: Solenoid-activated mechanical shift
- Output Options: Direct mount or companion flange
- Bending Moment Limit: 29.5 ft-lb maximum
- Mount Location: Rear-mounted PTO
Additional Information
| Model Number | Max Torque* lb-ft (Nm) | Max HP @ 1,000 RPM (kW) | Outputs | Internal Ratio |
|---|---|---|---|---|
| RS6S-P89M1-P1PX | 317 (430) | 60 (45) | SAE "BB" or 1410 Companion Flange | 0.97 |
| RS6S-P89M2-P1PX | 317 (430) | 60 (45) | SAE "BB" or 1410 Companion Flange | 1.32 |
| Optional Add-On Reduction Box: GB1P-205-125A | 200 (270) | 38 (28) | 1 1/4" Round 5/16" kW Mounts to SAE "BB" Output PTO |
0.49 |
Approximate Weight: 23 lbs. (10.4 Kg.)
