The Chelsea 680XFAHX-A5AZ 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 both the input and output shafts for strong load-bearing capability, making it well suited to higher-torque work such as pneumatic blowers. The series carries an intermittent torque rating of 375 lb-ft and supports continuous operation with a 30% de-rating. The 680 Series fits Eaton Fuller transmissions and includes a deep mount housing option for Mack applications. Call us to confirm proper fit for your specific transmission and output configuration.
Features
8-bolt mounting for common medium- and heavy-duty manual transmission apertures
Cast iron housing with tapered cone bearings on input and output shafts
Intermittent torque rating of 375 lb-ft (508 Nm) for the 680 Series
Continuous operation capable with 30% de-rating applied
Deep mount housing option supports Mack transmission fitment
Typical applications include aerial, dump truck, refuse, blower and product pump, and snow and ice removal
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit (confirm specific application before ordering)
- Intermittent Torque (Series): 375 lb-ft / 508 Nm
- Continuous Operation: Yes, with 30% de-rating
- Shift Type: Wire/Cable or Mechanical (series options)
- Output Power (Series): 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
- Housing: Cast iron
- Output Shaft Bearing: Tapered cone bearings
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
