The Chelsea 660XQAHX-H3AF or 660XQAHXH3AF is a 660 Series Power Take-Off built for medium to heavy duty truck applications. It mounts to most popular 6-bolt manual transmissions from Eaton/Fuller, Volvo/Mack, and other manufacturers. The 660 Series features a cast iron housing with tapered cone bearings on the output shaft, delivering an intermittent torque capacity up to 375 lb-ft (508 Nm). The series supports continuous operation with a 30% de-rating, and the space-saving air shift cover provides maximum clearance under the truck. Output options in this series include SAE A, SAE B, and other pump flange configurations, plus driveline outputs. Call us to confirm proper fit for your application.
Features
Chelsea 660 Series, 6-bolt mounting fits most popular manual transmissions
Cast iron housing with tapered cone bearings on output shaft for high torque capacity
Intermittent torque rating up to 375 lb-ft (508 Nm) for demanding medium to heavy duty work
Continuous operation supported with 30% de-rating
Shift types available: wire/cable or mechanical
Compatible transmission manufacturers include Eaton/Fuller and Volvo/Mack
Tech Specs
- Mounting Type: 6-Bolt
- Intermittent Torque Capacity: 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable or Mechanical
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Other
- Output Power: 56+ HP (42+ kW)
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Housing Material: Cast Iron
Additional Information
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
