The Chelsea 660XFAHX-A5XV or 660XFAHXA5XV is a 660 Series Power Take-Off designed to fit most popular 6-bolt manual transmissions, including Eaton/Fuller, Volvo/Mack, and other compatible units. The 660 Series is built around a cast iron housing with tapered cone bearings on both the input and output shafts, delivering an intermittent torque capacity of up to 375 lb-ft. Output options within the 660 Series span SAE A, SAE B, SAE BB, SAE C pump flanges, ISO 7652 flange, and driveline configurations, with four internal speed ratios available across the series. The space-saving air shift cover is designed to maximize clearance under the vehicle. Common applications include dump trucks, aerial devices, service trucks, and snow and ice removal equipment. 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 input and output shafts
Intermittent torque capacity up to 375 lb-ft series rating
Shift types within 660 Series include wire/cable and mechanical
Multiple output configurations available including SAE A, SAE B, SAE C pump flanges and driveline
Suited for aerial, construction, dump truck, and vocational/municipal equipment
Tech Specs
- Mounting Type: 6-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other manual 6-bolt transmissions
- Series Intermittent Torque: Up to 375 lb-ft
- Shift Type: Wire/Cable or Mechanical
- Output Types (Series): SAE A Pump Flange, SAE B Pump Flange, SAE BB Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
- 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
- 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.
