The Chelsea 680XRAHX-V3XK or 680XRAHXV3XK 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 carries an intermittent torque rating of 301-400 lb-ft and supports continuous operation with a 30% de-rating. Its cast iron housing and tapered cone bearings on the output shaft are designed for higher-torque demands, including pneumatic blowers. The series covers Eaton Fuller, Volvo/Mack, and Daimler/Detroit transmissions, with a deep-mount housing option available for Mack applications. Wire/cable and mechanical shift types are supported across the series. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 680 Series PTO, part number 680XRAHX-V3XK or 680XRAHXV3XK
8-bolt mounting for most manual transmission applications with an 8-bolt aperture
Intermittent torque rating: 301-400 lb-ft; continuous operation supported with 30% de-rating
Cast iron housing with tapered cone bearings on input and output shafts for high load capacity
Deep-mount housing option available for Mack transmission applications
Shift types supported: wire/cable and mechanical
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Intermittent Torque: 301-400 lb-ft (501+ Nm); check application pages for actual torque ratings
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Output Options: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Output Shaft Types: Round Shaft (1-1/4" with 5/16" key), SAE A (5/8" - 9T), SAE B (7/8" - 13T), SAE BB (1" - 15T), SAE C (1-1/4" - 14T), DIN 5462 Pump Spline, 1410 Companion Flange
- 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.
