The Chelsea 511XRAQW-A-XK or 511XRAQWAXK is a rear-mount power take-off unit rated for continuous torque of 590 lb-ft (800 Nm) with intermittent torque exceeding 501 lb-ft (501 Nm). It supports both pneumatic and mechanical shift types, giving it broad installation flexibility across vocational and fleet applications. Output shaft options include DIN 5462 and 4-Bolt DIN 5462 configurations. Shaft power output is 56 HP at 500 RPM and 112 HP at 1,000 RPM (42 kW and 84 kW respectively). The unit is compatible with Eaton/Fuller, Volvo/Mack, ZF, and other transmission manufacturers. Zero gear backlash adjustment is required. Call us to confirm proper fit for your specific transmission and application.
Features
Rear-mount PTO configuration
Continuous torque rating: 590 lb-ft (800 Nm); intermittent torque: 501+ lb-ft (501+ Nm)
Pneumatic and mechanical shift types supported
Output shaft: DIN 5462 and 4-Bolt DIN 5462
Shaft power: 56 HP at 500 RPM, 112 HP at 1,000 RPM
Compatible with Eaton/Fuller, Volvo/Mack, ZF, and other transmission manufacturers
Tech Specs
- Intermittent Torque: 501+ lb-ft / 501+ Nm
- Continuous Torque: 590 lb-ft / 800 Nm (check application pages for actual torque ratings)
- Shift Type: Pneumatic, Mechanical
- Output Power: 56+ HP / 51+ kW
- Shaft Power at 500 RPM: 56 HP / 42 kW
- Shaft Power at 1,000 RPM: 112 HP / 84 kW
- Output Shaft Type: DIN 5462, 4-Bolt DIN 5462
- Mounting Type: Rear Mount
- Compatible Transmissions: Eaton/Fuller, Volvo/Mack, ZF, Other
Additional Information
