The Chelsea 660XRAHX-W3AF or 660XRAHXW3AF is a 660 Series Power Take-Off built for medium to heavy-duty vocational applications. It mounts on popular 6-bolt manual transmissions from Eaton/Fuller, Volvo/Mack, Hino, and other manufacturers. The wire/cable mechanical shift engages a one-piece gear set rated up to 375 lb-ft intermittent torque (508 Nm), with output shaft power of 36 HP at 500 RPM, 71 HP at 1000 RPM, and 107 HP at 1500 RPM. The 1-1/4" round output shaft with keyway suits a wide range of hydraulic and driveline setups. Tapered cone bearings on the output shaft and cast iron bearing caps support long service life under sustained demand. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
6-bolt mounting fits Eaton/Fuller, Volvo/Mack, Hino, and other popular manual transmissions
Wire/cable mechanical shift engagement
Intermittent torque rating up to 375 lb-ft (508 Nm) - verify actual rating on application pages
Output shaft power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
One-piece gears and cast iron bearing caps for sustained torque capacity
Greaseable shaft option for serviceability in the field
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable, Mechanical
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Hino, Other
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Intermittent Torque: Up to 375 lb-ft (Check Application Pages for Actual Torque Ratings) / 508 Nm
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 36 HP (27 kW) at 500 RPM, 71 HP (53 kW) at 1000 RPM, 107 HP (80 kW) at 1500 RPM
- Continuous Operation: Yes, with 30% de-rating
Additional Information
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
