The Chelsea 680 Series Power Take-Off, part number 680GFAHX-V5XV or 680GFAHXV5XV, is a medium- to heavy-duty PTO built for 8-bolt manual transmission applications. The 680 Series features a cast iron housing and tapered cone bearings on the output shaft for load-bearing durability in higher-torque applications such as pneumatic blowers, dump trucks, and aerial equipment. The series carries an intermittent torque rating of up to 375 lb-ft (508 Nm); continuous operation is supported with a 30% de-rating. Shift options include wire/cable and mechanical configurations. Compatible transmission manufacturers for the 680 Series include Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and select others. A deep mount housing option is available for Mack applications. Call us to confirm proper fit for your specific transmission and application.
Features
8-bolt mounting pattern for broad manual transmission coverage including Eaton/Fuller, Volvo/Mack, and Daimler/Detroit
Cast iron housing with tapered cone bearings on the output shaft for high torque capacity
Intermittent torque rating up to 375 lb-ft (508 Nm); continuous operation with 30% de-rating
Shift options include wire/cable and mechanical
Deep mount housing option available for Mack transmission applications
Designed for demanding vocational applications including pneumatic blowers, aerial, dump truck, fire and rescue, and refuse
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility (Series): Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other
- Shift Type: Wire/Cable, Mechanical
- Intermittent Torque Rating: Up to 375 lb-ft (508 Nm) - check application pages for actual torque rating
- Continuous Operation: Yes, with 30% de-rating
- Output Types (Series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Output Shaft Types (Series): Round Shaft (1-1/4 in. with 5/16 in. key), SAE A (5/8 in. - 9T) Pump Spline, SAE B (7/8 in. - 13T) Pump Spline, SAE BB (1 in. - 15T) Pump Spline, SAE C (1-1/4 in. - 14T) Pump Spline, DIN 5462 Pump Spline, 1410 Companion Flange
- Output Power (Series): 56+ HP / 51+ kW
- Lubricant: X = No Pressure Lube (per part number suffix)
- Housing Material: Cast Iron
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
