The Chelsea 660XQAHX-V5XR or 660XQAHXV5XR is a 660 Series Power Take-Off built for medium to heavy-duty applications on most popular 6-bolt manual transmissions, including Eaton/Fuller, Volvo/Mack, and other compatible units. The 660 Series features a cast iron housing with tapered cone bearings on the output shaft, delivering an intermittent torque capacity of up to 375 lb-ft. The series supports continuous operation with a 30% de-rating. Output power reaches 56+ HP, with shaft power rated at 71 HP at 1,000 RPM. Shift type is wire/cable or mechanical. 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 for most popular manual transmissions
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque capacity up to 375 lb-ft (508 Nm)
Output power 56+ HP; shaft power 71 HP at 1,000 RPM
Compatible with Eaton/Fuller, Volvo/Mack, and other transmission manufacturers
Supports continuous operation with 30% de-rating
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque: Up to 375 lb-ft (508 Nm)
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 71 HP at 1,000 RPM; 107 HP at 1,500 RPM
- Continuous Operation: Yes, with 30% de-rating
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, other 6-bolt manual transmissions
- Output Types Available (series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Housing Material: Cast iron
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 660 Series is suited for aerial, construction, vocational, and municipal equipment. Applications include blower and product pumps, aerial devices, service trucks, dump trucks and trailers, and snow and ice removal. The series offers four internal speed ratios, ten shift options, and twenty-six output options including a 360-degree rotatable flange for pump fitment flexibility. The input shaft uses tapered bearings rather than needle bearings for greater load-bearing capability. The space-saving air shift cover is designed to maximize clearance under the truck. Parker Chelsea documents available for this series include the 660 Series Parts List (HY25-2660-M1_US) and the 660 Series Sales Literature.Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
