The Chelsea 660XQAHX-A3XX is a 660 Series Power Take-Off designed for most popular 6-bolt manual transmissions, covering medium to heavy-duty vocational applications including dump trucks, aerial devices, service trucks, and snow and ice removal equipment. The 660 Series features a cast iron housing with tapered cone bearings on both the input and output shafts for strong load-bearing capability and extended service life. The series carries an intermittent torque rating of 375 lb-ft and supports continuous operation with a 30% de-rating. Shift options include wire/cable and mechanical configurations. Compatible transmission manufacturers include Eaton/Fuller, Volvo/Mack, and others. 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
Intermittent torque capacity up to 375 lb-ft (508 Nm) for the 660 Series
Continuous operation supported with 30% de-rating
Wire/cable or mechanical shift options
Compatible with Eaton/Fuller, Volvo/Mack, and other transmission manufacturers
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Series Intermittent Torque Rating: 375 lb-ft (508 Nm) - check application pages for actual torque ratings
- Continuous Operation: Yes, with 30% de-rating
- Series Output Power: 56+ HP / 51+ kW
- Series 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
- Housing Material: Cast iron
- Bearing Type: Tapered cone bearings (input and output shafts)
Additional Information
The Chelsea 660 Series is suited for demanding vocational markets including aerial, construction, municipal, and other mobile equipment. Applications include blower and product pumps, aerial devices, service trucks, dump trucks and trailers, and snow and ice removal. The 660 Series offers twenty-six output options and four internal speed ratios. Chelsea's 360-degree rotatable flange option is available within the series for optimal pump positioning. Output shaft types available across the 660 Series include round shaft (1-1/4 in. with 5/16 in. key), SAE A (5/8 in. - 9T pump spline), SAE B (7/8 in. - 13T pump spline), SAE BB (1 in. - 15T pump spline), SAE C (1-1/4 in. - 14T pump spline), 3/4 in. - 11T pump spline, DIN 5462 pump spline, and 1410 companion flange. Not sure this is your part? Give us a call.Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
