The Chelsea 680XRAHX-V3AZ or 680XRAHXV3AZ is an 8-bolt power take-off from the Chelsea 680 Series, engineered for medium- to heavy-duty manual transmission applications. The 680 Series is built around a cast iron housing with tapered cone bearings on the output shaft and tapered bearings on the input shaft for strong load-bearing capacity. The series carries an intermittent torque rating of up to 375 lb-ft and supports continuous operation with a 30% de-rating. Common applications include pneumatic blowers, aerial units, dump trucks, refuse vehicles, and fire and rescue equipment. The space-saving air shift cover maximizes clearance under the truck. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 680 Series 8-bolt power take-off
Cast iron housing with tapered cone bearings on output shaft
Intermittent torque rating up to 375 lb-ft (508 Nm) for the series; check application pages for this specific configuration
Compatible with Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other manual transmissions with 8-bolt apertures
Space-saving air shift cover for maximum under-truck clearance
Supports continuous operation with 30% de-rating
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque (Series): Up to 375 lb-ft (508 Nm) - check application pages for actual rating
- Continuous Operation: Yes, with 30% de-rating
- Output Power (Series): 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and others with 8-bolt PTO opening
- Housing Material: Cast iron
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 680 Series is a common PTO choice for higher-torque vocational applications, including pneumatic blowers, aerial equipment, snow and ice removal, fire and rescue, dump trucks, refuse vehicles, and service trucks. A deep mount housing option is available within the 680 Series for Mack transmission applications. The series offers 32 output options, four internal speed ratios, and ten shift options, including Chelsea's 360-degree rotatable flange for flexible pump fitment. Sold by Pro Gear and Transmission. Part number 680XRAHX-V3AZ is also referenced as SP680XRAHX-V3AZ.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
