The Chelsea 680XRAHX-V3RK is an 8-bolt Power Take-Off from the Chelsea 680 Series, engineered for medium- to heavy-duty manual transmission applications. The cast iron housing and tapered cone bearings on the output shaft deliver a 375 lb-ft intermittent torque rating across the series. A space-saving air shift cover design maximizes clearance under the truck. The 680 Series supports Eaton/Fuller, Volvo/Mack, and Daimler/Detroit transmission families, with a deep mount housing option available for Mack applications. Output options span SAE A, SAE B, and driveline configurations. Pro Gear and Transmission carries this genuine Chelsea part.
Features
8-bolt mounting for broad manual transmission coverage
Cast iron housing with tapered cone bearings on the output shaft
375 lb-ft intermittent torque rating (508 Nm) for the 680 Series
Compatible with Eaton/Fuller, Volvo/Mack, and Daimler/Detroit transmissions
Deep mount housing option available for Mack applications
Output options include SAE A pump flange, SAE B pump flange, and driveline
Tech Specs
- Mounting Type: 8-Bolt
- Intermittent Torque Rating (Series): 375 lb-ft / 508 Nm
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable or Mechanical
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Output Power (Series): 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
