The Chelsea 660XSAHX-W3XK or 660XSAHXW3XK is a 660 Series Power Take-Off designed for medium to heavy duty applications on popular 6-bolt manual transmissions from Eaton/Fuller, Volvo/Mack, and other manufacturers. The 660 Series carries an intermittent torque rating of up to 375 lb-ft (508 Nm), with continuous operation supported at a 30% de-rating. Wire/cable or mechanical shift types are available across the series. The cast iron housing and tapered cone bearings on the output shaft contribute to strong load-bearing capability. Output options across the 660 Series include SAE A and SAE B pump flanges, driveline, and round shaft configurations. Typical applications include dump trucks, aerial devices, service trucks, and snow and ice removal equipment. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 660 Series PTO, part number 660XSAHX-W3XK or 660XSAHXW3XK
6-bolt mounting fits most popular manual transmissions including Eaton/Fuller and Volvo/Mack
Intermittent torque capacity up to 375 lb-ft (508 Nm) across the 660 Series
Cast iron housing with tapered cone bearings on input and output shafts
Continuous operation supported with 30% de-rating
Suited for aerial devices, dump trucks, service trucks, and snow and ice removal applications
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque (Series): Up to 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Output Power (Series): 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other 6-bolt manual transmissions
- Output 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.
