The Chelsea 680 Series Power Take-Off, part number 680XFAHX-W3GY or 680XFAHXW3GY, is an 8-bolt mount PTO built for medium- to heavy-duty manual transmission applications. The cast iron housing and tapered cone bearings on the output shaft support higher torque demands, making this series a fit for pneumatic blower and hydraulic pump work. The 680 Series covers Eaton Fuller transmissions and includes a deep mount housing option for Mack applications, along with compatibility with Daimler/Detroit and Volvo/Mack gearboxes. The series delivers output options including SAE A and SAE B pump flanges and driveline configurations. Call us to confirm proper fit for your specific transmission and application.
Features
8-bolt mounting configuration for broad manual transmission coverage
Cast iron housing with tapered cone bearings on the output shaft
Compatible with Eaton Fuller transmissions; deep mount housing option for Mack applications
Designed for higher torque applications including pneumatic blowers and hydraulic pumps
Output options include SAE A pump flange, SAE B pump flange, ISO 7652 pump flange, and driveline
Space-saving air shift cover for maximum clearance under the truck
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque (Series): 375 lb-ft (508 Nm) - check application pages for actual torque ratings
- Continuous Operation: Yes, with 30% de-rating
- Housing: Cast Iron
- Output Shaft Bearing: Tapered Cone
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
