The Chelsea 680XSDAX-P5XY is an 8-bolt power take-off from the Chelsea 680 Series, designed for medium to heavy-duty manual transmission applications including Eaton/Fuller and Mack transmissions. The 680 Series uses a cast iron housing with tapered cone bearings on the output shaft for sustained torque capacity, with an intermittent torque rating of up to 375 lb-ft (508 Nm) for the series. The space-saving air shift cover is designed to maximize clearance under the truck. This series supports continuous operation with a 30% de-rating. Commonly applied to aerial equipment, dump trucks, refuse vehicles, pneumatic blowers, and fire and rescue trucks. Call us to confirm the exact fit for your transmission and application.
Features
8-bolt mounting pattern, compatible with most manual transmissions featuring an 8-bolt PTO aperture
Cast iron housing with tapered cone bearings on the output shaft for higher torque capacity
Series intermittent torque rating up to 375 lb-ft (508 Nm); supports continuous operation with 30% de-rating
Deep mount housing option available for Mack transmission applications
Output power: 56+ HP (42+ kW); shaft power rated at 71 HP at 1,000 RPM for the 680 Series
Typical applications include aerial equipment, pneumatic blowers, dump trucks, refuse vehicles, and fire and rescue
Tech Specs
- Mounting Type: 8-Bolt
- Series Intermittent Torque: Up to 375 lb-ft (508 Nm) - check application pages for actual rating
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable or Mechanical
- 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
- Compatible Transmissions: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Output Options: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Housing Material: Cast Iron
- Dimensions (H x W x L): 8.38 in. x 10.38 in. x 10.75 in.
Additional Information
The Chelsea 680XSDAX-P5XY is part of the Parker Chelsea 680 Series, one of the more versatile PTO families for 8-bolt aperture manual transmissions. The 680 Series offers four internal speed ratios and ten shift options across the product line, with 32 output configurations including a 360-degree rotatable flange for flexible pump positioning. Reference documents for this series include 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, both published by Parker Chelsea. Not sure this is the right PTO for your truck or application? Give us a call.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
