The Chelsea 680QFLZX-D3RK or 680QFLZXD3RK is a medium- to heavy-duty Power Take-Off from the Chelsea 680 Series, designed for manual transmissions with an 8-bolt PTO aperture. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft, making it well suited for higher-torque applications such as pneumatic blowers. The series supports Eaton/Fuller, Volvo/Mack, and Daimler/Detroit transmissions, with a deep-mount housing option available for Mack applications. Shift type options within the series include wire/cable and mechanical. The 680 Series is rated for intermittent torque in the 301-400 lb-ft range 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 680QFLZX-D3RK
8-bolt mounting for manual transmission applications
Cast iron housing with tapered cone bearings on the output shaft
Deep-mount housing option for Mack transmission applications
Series-rated for intermittent torque of 301-400 lb-ft; continuous operation supported with 30% de-rating
Compatible with Eaton/Fuller, Volvo/Mack, and Daimler/Detroit transmissions
Tech Specs
- Mounting Type: 8-Bolt
- Shift Type: Wire/Cable or Mechanical
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Intermittent Torque Rating: 301-400 lb-ft (508 Nm) - check application pages for actual torque rating
- Continuous Operation: Yes, with 30% de-rating
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Output Shaft Options: Round shaft (1-1/4 in. with 5/16 in. key), SAE A pump spline (5/8 in. - 9T), SAE B pump spline (7/8 in. - 13T), SAE BB pump spline (1 in. - 15T), SAE C pump spline (1-1/4 in. - 14T), DIN 5462 pump spline, 1410 companion flange
- Output Flange Options: SAE A pump flange, SAE B pump flange, ISO 7652 pump flange, driveline
- 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.
