The Chelsea 660XSAHX-A3XX or 660XSAHXA3XX is a 660 Series Power Take-Off built for medium- to heavy-duty vocational applications. The 660 Series fits most popular manual 6-bolt transmissions from Eaton/Fuller, Volvo/Mack, and other manufacturers. Its cast iron housing and tapered cone bearings on both the input and output shafts support an intermittent torque rating of up to 375 lb-ft (508 Nm), with continuous operation available at a 30% de-rating. Shift options include wire/cable and mechanical actuation. Output configurations span SAE A, SAE B, and SAE C pump flanges, round shaft, and driveline outputs. 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, 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); continuous operation with 30% de-rating
Wire/cable and mechanical shift options available in the 660 Series
Output options include SAE A, SAE B, SAE C pump flanges, round shaft, and driveline
Suited for aerial devices, dump trucks, service trucks, and snow and ice removal
Tech Specs
- Mounting Type: 6-Bolt
- Transmission Compatibility: Most popular manual 6-bolt transmissions (Eaton/Fuller, Volvo/Mack, and others)
- Intermittent Torque: Up to 375 lb-ft (508 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable or Mechanical
- Output Types: SAE A Pump Flange, SAE B Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
- Output Shaft Options: Round Shaft (1-1/4" - 5/16" Key), SAE A (5/8" - 9T) Pump Spline, SAE BB (1" - 15T) Pump Spline, SAE B (7/8" - 13T) Pump Spline, SAE C (1-1/4" - 14T) Pump Spline, 3/4" - 11T Pump Spline, DIN 5462 Pump Spline, 1410 Companion Flange
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- 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.
