The Chelsea 660XRAHX-A3GA or 660XRAHXA3GA is a 6-bolt PTO assembly with wire/cable mechanical shift. It fits transmissions from Eaton/Fuller, Volvo/Mack, Hino, and other manufacturers. The output shaft is a 1-1/4" round design, also available with a keyway option. Intermittent torque capacity is rated up to 375 lb-ft (508 Nm) - check the Chelsea application pages for your specific installation rating. Shaft power output at 1000 RPM is 71 HP (53 kW), scaling to 107 HP (80 kW) at 1500 RPM. One-piece gears and cast iron bearing caps define the internal construction. Call us to confirm proper fit for your transmission and hydraulic circuit. 
Features
6-bolt mounting configuration
Wire/cable mechanical shift actuation
1-1/4" round output shaft (keyway option available)
Intermittent torque rating up to 375 lb-ft (508 Nm) - verify against application chart
One-piece gears for higher torque capacity
Cast iron bearing caps with greaseable shaft options
Tech Specs
- Intermittent Torque: 375 lb-ft / 508 Nm (check Chelsea application pages for actual rating by installation)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 500 RPM: 36 HP (27 kW) | 1000 RPM: 71 HP (53 kW) | 1500 RPM: 107 HP (80 kW)
- Output Shaft Type: 1-1/4" Round; 1-1/4" Round with Key
- Mounting Type: 6-Bolt
- Compatible Transmission Manufacturers: Eaton/Fuller, Hino, Volvo/Mack, Other
Additional Information
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
