The Chelsea 660XQAHX-A3GF or 660XQAHXA3GF is a 660 Series Power Take-Off designed for medium to heavy duty applications on most popular 6-bolt manual transmissions, including Eaton/Fuller and Volvo/Mack. The 660 Series features a cast iron housing with tapered cone bearings on the output shaft and tapered bearings on the input shaft, delivering a series torque capacity up to 375 lb-ft intermittent. Wire/cable or mechanical shift types are available across the 660 Series, and output options span SAE A and SAE B pump flanges, driveline configurations, and multiple shaft spline options. Typical applications include dump trucks, aerial devices, service trucks, and snow and ice removal equipment. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 660 Series PTO, part number 660XQAHX-A3GF or 660XQAHXA3GF
Fits most popular 6-bolt manual transmissions including Eaton/Fuller and Volvo/Mack
Cast iron housing with tapered cone bearings on output shaft and tapered bearings on input shaft
Series intermittent torque capacity up to 375 lb-ft (508 Nm)
Output power up to 56+ HP; shaft power rated at 71 HP at 1,000 RPM across the series
Suited for aerial devices, dump trucks, service trucks, and snow and ice removal
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Series Intermittent Torque: Up to 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Shaft Power (Series): 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
- Output Power: 56+ HP (51+ kW)
- Compatible Transmissions: Eaton/Fuller, Volvo/Mack, and other 6-bolt manual transmissions
- Lubricant: No pressure lube (X designation)
Additional Information
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
