The Chelsea 680GHAHX-P3AF or 680GHAHXP3AF is a genuine Chelsea 680 Series Power Take-Off built for 8-bolt PTO aperture manual transmissions, including Eaton/Fuller and Volvo/Mack applications. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft for durability in higher-torque work such as pneumatic blowers and aerial equipment. This PTO uses a wire/cable or mechanical shift type and is rated for intermittent torque in the 301-400 lb-ft range, with continuous operation supported at a 30% de-rating. Common vocational applications include dump trucks, refuse vehicles, fire and rescue, snow and ice removal, and service trucks. Call us to confirm proper fit for your transmission and output configuration.
Features
Chelsea 680 Series PTO with 8-bolt mounting for most manual transmission applications
Cast iron housing with tapered cone bearings on the output shaft for high torque and long service
Intermittent torque rating: 301-400 lb-ft; continuous operation supported with 30% de-rating
Air shift cover design for maximum clearance under the truck
Compatible with Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other 8-bolt aperture transmissions
Suited for aerial, dump truck, refuse, fire and rescue, snow removal, and blower/pump applications
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, or Driveline
- Intermittent Torque: 301-400 lb-ft (check application pages for actual torque rating)
- 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
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other 8-bolt aperture applications
- Housing Material: Cast iron
- Dimensions (H x W x L): 8.38 in. x 10.38 in. x 10.75 in.
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
