The Chelsea 680GHAHX-P3XY is a heavy-duty Power Take-Off from the Chelsea 680 Series, designed for manual transmissions with an 8-bolt PTO aperture. The 680 Series is built around a cast iron housing with tapered cone bearings on the output shaft, giving it a high intermittent torque rating suitable for demanding applications such as pneumatic blowers, aerial units, and dump truck hydraulics. This series covers Eaton Fuller, Volvo/Mack, and Daimler/Detroit transmission families and includes a deep mount housing option for Mack applications. Available output configurations span SAE A, SAE B, and SAE C pump flanges as well as driveline outputs. 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 the output shaft for high load capacity
Intermittent torque rating 301 to 400 lb-ft series range; check application data for this specific configuration
Wire/cable or mechanical shift options available across the 680 Series
Deep mount housing option supports Mack transmission installations
Output shaft and flange options include SAE A, SAE B, SAE BB, SAE C pump splines and 1410 companion flange
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Shift Type: Wire/Cable or Mechanical
- Output Types: SAE A Pump Flange, SAE B Pump Flange, SAE BB Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, 1410 Companion Flange, Driveline
- Intermittent Torque (Series Range): 301 to 400 lb-ft (check application pages for this unit's 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
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 680 Series is a versatile medium-to-heavy-duty PTO platform used across vocational and municipal markets, including aerial, fire and rescue, snow and ice removal, refuse, and service truck applications. Thirty-two output options are available across the 680 Series family, including a 360-degree rotatable flange for flexible pump positioning, four internal speed ratios, and ten shift configurations. The space-saving air shift cover is designed to maximize clearance under the vehicle. For installation and service reference, Parker publishes the 680 Series Owner's Manual (document HY25-2660-M1_US parts list) and the Chelsea PTO General Information Catalog. Not sure this is the right PTO for your rig? 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.
