The Chelsea 877LGFJW-M3TS or 877LGFJWM3TS is a 10-bolt constant mesh Power Take-Off Assembly from the Chelsea 877 Series, designed for Allison transmission applications. The 877 Series is a constant mesh design suited for continuous operation, including load-sense pump applications. It features a compact housing to reduce installation clearance issues, with rotatable output flange options and Wet Spline Technology to extend PTO and pump shaft life. The series delivers continuous torque up to 670 lb-ft and is rated for output power of 56+ HP, making it a fit for demanding work cycles in refuse, aerial, snow and ice, fire and rescue, and defense truck applications. Call us to confirm proper fit for your specific transmission and installation.
Features
10-bolt mounting for Allison transmission applications
Constant mesh design supports continuous operation without de-rating
Series torque rating up to 670 lb-ft continuous
Wet Spline Technology extends PTO and pump shaft service life
Compact housing with rotatable output flanges to maximize installation clearance
Suited for aerial, refuse, snow and ice, fire and rescue, and defense truck applications
Tech Specs
- Mounting Type: 10-Bolt
- Transmission Manufacturer: Allison
- Shift Type: Constant Mesh
- Continuous Operation: Yes
- Series Continuous Torque: 670 lb-ft (check application pages for actual torque rating)
- Series Output Power: 56+ HP
- Lubricant: Pressure Lube, Wet Spline
- Output Shaft Types Available: 1410 Series Companion Flange, SAE C (1-1/4 in. - 14T) Pump Spline, SAE B (7/8 in. - 13T) Pump Spline, SAE BB (1 in. - 15T) Pump Spline, DIN 5462 Pump Spline, DIN 100 Flange, DIN 120 Flange
- Output Flange Options: SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
- NMFC Code: 128520 (Hydraulic PTOs, Pumps, Motors)
Additional Information
The Chelsea 877 Series is listed as obsolete by Parker. This part number, 877LGFJW-M3TS, may be a hard-to-find item. Call Pro Gear and Transmission to confirm current availability and to verify fitment for your specific application.Parts Manual: Chelsea 877 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
