The Chelsea 660XHAHX-A3XV is a 660 Series Power Take-Off designed for medium to heavy-duty vocational applications. The 660 Series mounts to most popular 6-bolt manual transmissions and features a cast iron housing with tapered cone bearings on both the input and output shafts for high load capacity. The series carries an intermittent torque rating of up to 375 lb-ft and delivers 71 HP at 1,000 RPM through the output shaft. Multiple output configurations are available across the 660 Series, including SAE A, SAE B, and ISO 7652 pump flanges, plus driveline outputs. Shift actuation on this series is wire/cable or mechanical. Pro Gear and Transmission carries genuine Chelsea PTO units for aerial, dump truck, construction, and municipal equipment applications.
Features
Chelsea 660 Series Power Take-Off, part number 660XHAHX-A3XV
6-bolt mounting pattern fits most popular manual transmissions
Cast iron housing with tapered cone bearings on input and output shafts
Intermittent torque capacity up to 375 lb-ft (508 Nm) for the 660 Series
Output power up to 71 HP at 1,000 RPM
Wire/cable or mechanical shift actuation
Tech Specs
- Series: Chelsea 660 Series
- Mounting Type: 6-Bolt
- Intermittent Torque (Series): Up to 375 lb-ft (508 Nm)
- Output Power (Series): 71 HP at 1,000 RPM; 107 HP at 1,500 RPM
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
- Shift Type: Wire/Cable or Mechanical
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Housing: Cast Iron
- Continuous Operation: Yes, with 30% de-rating
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other 6-bolt manual transmissions
Additional Information
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
