The Chelsea 680GQAHX-A3XY is an 8-bolt Power Take-Off from the Chelsea 680 Series, engineered for medium to heavy duty manual transmission applications. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft, designed specifically for higher torque applications such as pneumatic blowers. Compatible with Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmissions equipped with an 8-bolt PTO aperture, including a deep mount housing option for Mack applications. Output options span SAE A, SAE B, and driveline configurations. Shift types include wire/cable and mechanical. Series intermittent torque is rated at 375 lb-ft (508 Nm); continuous operation is supported with a 30% de-rating.
Features
8-bolt mounting for most manual transmissions with 8-bolt PTO apertures
Cast iron housing with tapered cone bearings on the output shaft
Series intermittent torque rated at 375 lb-ft (508 Nm); continuous operation with 30% de-rating
Output options include SAE A pump flange, SAE B pump flange, ISO 7652 pump flange, and driveline
Shift types: wire/cable and mechanical
Deep mount housing option available for Mack transmission applications
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other (8-bolt aperture)
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Shift Type: Wire/Cable, Mechanical
- Series Intermittent Torque: 375 lb-ft (508 Nm) - Check application pages for actual torque ratings
- Continuous Operation: Yes, with 30% de-rating
- Series Output Power: 56+ HP / 51+ kW
- Series Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Housing Material: Cast Iron
Additional Information
The Chelsea 680 Series is suited for aerial, snow and ice removal, fire and rescue, dump truck, service truck, refuse, and blower and product pump 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. The input shaft uses tapered bearings rather than needle bearings for greater load-bearing capability.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
