The Chelsea 680 Series Power Take-Off, part number 680XQAHX-P5AF or 680XQAHXP5AF, is a medium- to heavy-duty PTO built for manual transmissions with an 8-bolt PTO aperture. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft, giving it a higher load-bearing capability than designs that use needle bearings. Intermittent torque rating for the series reaches 375 lb-ft (508 Nm), with continuous operation supported at a 30% de-rating. A deep mount housing option is available for Mack transmission applications. Common vocational uses include pneumatic blowers, aerial equipment, dump trucks, refuse trucks, and fire and rescue apparatus. Call us to confirm proper fit for your specific transmission and application.
Features
8-bolt mounting for most manual transmission applications including Eaton Fuller, Volvo/Mack, and Daimler/Detroit
Cast iron housing with tapered cone bearings on input and output shafts for increased load capacity
Series intermittent torque rating: 375 lb-ft (508 Nm); continuous operation supported with 30% de-rating
Output power: 56+ HP / 51+ kW; shaft power reaches 107 HP at 1,500 RPM
Deep mount housing option available for Mack transmission applications
Vocational fits include aerial, dump truck, refuse, blower and product pump, and fire and rescue applications
Tech Specs
- Mounting Type: 8-Bolt
- Series: Chelsea 680
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque (series): 375 lb-ft (508 Nm) - check application pages for actual rating
- 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
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Output Types Available (series): SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- 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.
