The Chelsea 660GHAHX-P3RY or 660GHAHXP3RY is a Power Take-Off unit from the Chelsea 660 Series, designed to fit most popular manual 6-bolt transmissions in medium to heavy duty applications. The 660 Series is built around a cast iron housing with tapered cone bearings on both the output and input shafts, delivering an intermittent torque rating of up to 375 lb-ft. The series supports continuous operation with a 30% de-rating and output power up to 56 HP. Shift options include wire/cable and mechanical. Compatible transmission manufacturers include Eaton/Fuller, Volvo/Mack, and others. Call us to confirm proper fit for your application.
Features
Chelsea 660 Series Power Take-Off, fits most popular manual 6-bolt transmissions
Cast iron housing with cast iron bearing caps for durability
Tapered cone bearings on output and input shafts for high load capacity
Intermittent torque capacity up to 375 lb-ft
Shift types: wire/cable or mechanical
Compatible with Eaton/Fuller, Volvo/Mack, and other transmission manufacturers
Tech Specs
- Mounting Type: 6-Bolt
- Series: Chelsea 660
- Intermittent Torque Capacity: Up to 375 lb-ft (508 Nm) - check application pages for actual torque ratings
- Continuous Operation: Yes, with 30% de-rating
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Shift Type: Wire/Cable or Mechanical
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Housing Material: Cast Iron
- Compatible Transmissions: Eaton/Fuller, Volvo/Mack, and others
Additional Information
The Chelsea 660 Series suits a wide range of vocational markets including aerial, construction, and municipal equipment. Typical applications include blower and product pumps, aerial devices, service trucks, dump trucks and trailers, and snow and ice removal equipment. The 660 Series offers twenty-six output options and four internal speed ratios, including a 360-degree rotatable flange for pump fitment flexibility. Parker documents covering this series include the 660 Series Parts List (HY25-2660-M1_US) and the 660 Series Sales Literature, available through Parker Chelsea. Part number 660GHAHX-P3RY is also referenced as SP660GHAHX-P3RY.Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
