The Chelsea 660XQAHX-A3GQ or 660XQAHXA3GQ 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 gearboxes. The 660 Series is rated up to 375 lb-ft intermittent torque and supports continuous operation with a 30% de-rating. Output options across the series include SAE A, SAE B, and SAE C pump flanges, a 1410 companion flange, and multiple pump spline configurations. Shift types available in the series include wire/cable and mechanical. The cast iron housing, tapered cone output shaft bearings, and tapered input shaft bearings contribute to the series' strong load-bearing capability and long service life. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 660 Series Power Take-Off for 6-bolt manual transmissions
Intermittent torque capacity up to 375 lb-ft (508 Nm) across the series
Cast iron housing with tapered cone bearings on the output shaft
Tapered input shaft bearings for greater load-bearing capability vs. needle bearings
Supports continuous operation with 30% de-rating
Shift types include wire/cable and mechanical; multiple output flange and spline configurations available in the series
Tech Specs
- Mounting Type: 6-Bolt
- Transmission Compatibility: Most popular 6-bolt manual transmissions (Eaton/Fuller, Volvo/Mack, and others)
- Intermittent Torque (Series): Up to 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Shift Type (Series): Wire/Cable, Mechanical
- Output Power (Series): 56+ HP / 51+ kW
- Shaft Power (Series): 36 HP at 500 RPM; 71 HP at 1000 RPM; 107 HP at 1500 RPM
- Housing Material: Cast iron
- Bearing Type: Tapered cone bearings (output shaft and input shaft)
- Output Options (Series): SAE A pump flange, SAE B pump flange, SAE C pump flange, ISO 7652 pump flange, 1410 companion flange, multiple pump spline configurations, driveline
- Lubricant: X = No Pressure Lube (as indicated in part number)
Additional Information
The Chelsea 660 Series is suited for aerial devices, dump trucks and trailers, service trucks, blower and product pumps, and snow and ice removal equipment. Parker documents available for this series include the 660 Series Parts List (HY25-2660-M1_US), the 660 Series Sales Literature, and the 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual. 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.
