The Chelsea 660XSAHX-A3XY (also referenced as 660XSAHXA3XY) is a 660 Series Power Take-Off designed to fit most popular 6-bolt manual transmissions, including Eaton/Fuller and Volvo/Mack applications. The 660 Series is built around a cast iron housing with tapered cone bearings on both the input and output shafts, giving the unit a torque capacity up to 375 lb-ft intermittent. The space-saving air shift cover maximizes clearance under the truck. Output options for the 660 Series include SAE A and SAE B pump flanges and driveline configurations, with four internal speed ratios available. Suited for 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, 6-bolt mounting for most popular manual transmissions
Cast iron housing with tapered cone bearings on input and output shafts
Up to 375 lb-ft intermittent torque capacity (501+ Nm)
Output power: 71 HP at 1,000 RPM; 107 HP at 1,500 RPM
Shift type: wire/cable or mechanical
Compatible markets: aerial, construction, dump trucks, snow and ice removal, vocational and municipal equipment
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque Capacity: 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 36 HP at 500 RPM; 71 HP at 1,000 RPM; 107 HP at 1,500 RPM
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other 6-bolt manual transmissions
- Output Flange Options (series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- 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.
