680XRAHX-V3GZ Chelsea 680 Series PTO

The Chelsea 680XRAHX-V3GZ or 680XRAHXV3GZ is a medium- to heavy-duty Power Take-Off from the Chelsea 680 Series, designed for transmissions with an 8-bolt PTO aperture. The 680 Series is engineered for higher-torque applications such as pneumatic blowers, featuring a cast iron housing and tapered cone bearings on the output shaft for load-bearing strength. Intermittent torque for the series reaches up to 375 lb-ft (508 Nm); continuous operation is supported with a 30% de-rating. Shift options include wire/cable and mechanical. Compatible transmission manufacturers for the 680 Series include Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and others. Call us to confirm proper fit for your specific transmission and application.

Features

Chelsea 680 Series Power Take-Off, part 680XRAHX-V3GZ or 680XRAHXV3GZ
8-bolt mounting for compatibility with most manual transmission applications featuring an 8-bolt PTO aperture
Cast iron housing with tapered cone bearings on the output shaft for high torque and long service life
Intermittent torque up to 375 lb-ft (508 Nm) series rating; continuous operation supported with 30% de-rating
Output power of 56+ HP (51+ kW); shaft power rated at 71 HP at 1,000 RPM
Wire/cable and mechanical shift types available across the series
Designed for demanding vocational uses including pneumatic blowers, aerial, dump truck, fire and rescue, and refuse applications

Tech Specs

• Mounting Type: 8-Bolt
• Shift Type: Wire/Cable, Mechanical
• Intermittent Torque: Up to 375 lb-ft (508 Nm) - check application pages for actual torque ratings
• Continuous Operation: Yes, with 30% de-rating
• Output Power: 56+ HP (51+ kW)
• Shaft Power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
• Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
• Housing Material: Cast Iron
• Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other 8-bolt aperture transmissions
• Dimensions (H x W x L): 8 in. x 10 in. x 14 in.

Additional Information

The Chelsea 680 Series includes a deep mount housing option for Mack transmission applications. The space-saving air shift cover provides maximum clearance under the truck. The 680 Series offers 32 output options, including Chelsea's 360-degree rotatable flange for flexible pump fitment, four internal speed ratios, and ten shift options. Applications for this series include aerial work, snow and ice removal, fire and rescue, dump trucks, service trucks, refuse vehicles, and blower and product pump systems. Refer to the 680 Series Parts List (HY25-2660-M1_US) and the 340/348/442/447/489/660/680/823/863/880 Series Owner's Manual for full application and installation details.

Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.