The Chelsea 680XFAHX-A5XD is a 680 Series Power Take-Off built for medium- to heavy-duty manual transmission applications with an 8-bolt PTO aperture. The 680 Series is engineered around a cast iron housing with tapered cone bearings on the output shaft, making it well-suited for high-torque demand equipment such as pneumatic blowers, aerial units, and refuse trucks. The series covers Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmission families. Shift options in this series include wire/cable and mechanical actuation. The 680 Series delivers 71 HP at 1,000 RPM and supports continuous operation with a 30% de-rating. Call us to confirm proper fit for your specific transmission and application.
Features
Chelsea 680 Series Power Take-Off, part number 680XFAHX-A5XD
8-bolt mounting for Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other manual transmissions
Cast iron housing with tapered cone bearings on input and output shafts
Rated 71 HP at 1,000 RPM; 107 HP at 1,500 RPM; supports continuous operation with 30% de-rating
Shift options include wire/cable and mechanical actuation
Suited for aerial, dump truck, refuse, fire and rescue, blower, and service truck applications
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other manual transmissions
- Shift Type: Wire/Cable or Mechanical
- Output Power: 56+ HP (42+ kW)
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
- Intermittent Torque: 301 to 400 lb-ft series range (check application pages for actual rating)
- Continuous Operation: Yes, with 30% de-rating
- Output Options: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Output Shaft Options include: 1-1/4" Round Shaft with 5/16" Key, SAE A 5/8"-9T Pump Spline, SAE B 7/8"-13T Pump Spline, SAE BB 1"-15T Pump Spline, SAE C 1-1/4"-14T Pump Spline, DIN 5462 Pump Spline, 1410 Companion Flange
- Housing: Cast Iron
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 680XFAHX-A5XD belongs to Parker Chelsea's 680 Series, one of the most widely applied 8-bolt PTOs in North American vocational trucking. The 680 Series features a deep-mount housing option suited for Mack transmission applications and offers four internal speed ratios across thirty-two output configurations, including a 360-degree rotatable flange for flexible pump positioning. Applications supported by this series include aerial work platforms, snow and ice removal equipment, fire and rescue vehicles, dump trucks, refuse trucks, service trucks, and blower or product pump installations. The part number 680XFAHX-A5XD is also referenced as SP680XFAHX-A5XD. Relevant Parker Chelsea documentation includes 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, available through Parker's technical resources.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
