The Chelsea 680ZFDAX-A5RK or 680ZFDAXA5RK is a Power Take-Off from the Chelsea 680 Series, designed for manual transmissions with an 8-bolt PTO aperture. The 680 Series is a medium- to heavy-duty PTO built for Eaton/Fuller and Mack applications, with a deep mount housing option for Mack transmissions. The cast iron housing and tapered cone bearings on the output shaft support higher torque applications such as pneumatic blowers. The 680 Series supports shift types including wire/cable and mechanical actuation, with output options spanning SAE A, B, BB, and C pump flanges, a 1410 companion flange, and round shaft configurations. Call us to confirm proper fit for your transmission and application.
Features
Chelsea 680 Series, 8-bolt mounting for most manual transmission applications
Deep mount housing option designed for Mack transmission applications
Cast iron housing with tapered cone bearings on the output shaft for higher torque capability
Built for higher torque applications including pneumatic blowers
Output options include SAE A, B, BB, and C pump flanges, 1410 companion flange, and round shaft
Shift actuation: wire/cable or mechanical
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit (check application pages for specific fitment)
- Shift Type: Wire/Cable or Mechanical
- Output Options: SAE A Pump Flange, SAE B Pump Flange, SAE BB Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, 1410 Companion Flange, Driveline
- Output Shaft Options: Round Shaft (1-1/4 in., 5/16 in. key), SAE A (5/8 in. - 9T) Pump Spline, SAE B (7/8 in. - 13T) Pump Spline, SAE BB (1 in. - 15T) Pump Spline, SAE C (1-1/4 in. - 14T) Pump Spline
- Series Intermittent Torque Rating: 301-400 lb-ft (check application pages for actual torque rating)
- Series Output Power: 56+ HP / 51+ kW
- Continuous Operation: Yes, with 30% de-rating
- Lubricant: No pressure lube (X designation)
- Housing Material: Cast Iron
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
