The Chelsea 680XRAHX-A5XK is a 680 Series Power Take-Off built for medium- to heavy-duty manual transmission applications with an 8-bolt PTO aperture. The 680 Series is known for its cast iron housing and tapered cone bearings on the output shaft, which contribute to its intermittent torque rating of up to 375 lb-ft (508 Nm). Continuous operation is supported with a 30% de-rating applied. The series is compatible with Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmission families, and includes a deep mount housing option suited to Mack applications. Shift options include wire/cable and mechanical. The 680 Series covers a broad range of output configurations including SAE A, SAE B, and driveline outputs. Call us to confirm proper fit for your specific transmission and application.
Features
8-bolt mounting for most manual transmissions with an 8-bolt PTO aperture
Cast iron housing with tapered cone bearings on the output shaft
Intermittent torque rating up to 375 lb-ft (508 Nm); continuous operation with 30% de-rating
Compatible with Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmission manufacturers
Deep mount housing option available for Mack transmission applications
Shift types include wire/cable and mechanical; output options include SAE A pump flange, SAE B pump flange, and driveline
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other
- Intermittent Torque: Up to 375 lb-ft (508 Nm) - check application pages for actual torque ratings
- Continuous Operation: Yes, with 30% de-rating
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP (42+ kW)
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Housing Material: Cast Iron
- 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.
