The Chelsea 680QHLZX-D3RK is an 8-bolt Power Take-Off from the Chelsea 680 Series, designed for medium to heavy duty manual transmission applications including Eaton Fuller and Mack. The 680 Series features a cast iron housing with tapered cone bearings on the output shaft for extended service life under high torque demand. Output options span SAE A and SAE B pump flanges, driveline configurations, and Chelsea's 360-degree rotatable flange. The series supports four internal speed ratios and ten shift options, including wire/cable and mechanical shift. Continuous operation is rated with a 30% de-rating. Pro Gear and Transmission carries this genuine Chelsea unit.
Features
8-bolt mounting for most manual transmission applications with 8-bolt PTO aperture
Cast iron housing with tapered cone bearings on the output and input shafts
Multiple output options including SAE A, SAE B, and ISO 7652 pump flanges plus driveline
360-degree rotatable flange for flexible pump fitment
Four internal speed ratios and ten shift options, including wire/cable and mechanical shift
Deep mount housing option available for Mack transmission applications
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Shift Type: Wire/Cable, Mechanical
- Housing Material: Cast Iron
- Continuous Operation: Yes, with 30% de-rating
- Intermittent Torque (Series): 375 lb-ft (508 Nm) - check application pages for actual rating
- Output Power (Series): 56+ HP / 51+ kW
- Lubricant Type: X (No Pressure Lube)
Additional Information
The Chelsea 680 Series is suited for high torque vocational applications including pneumatic blowers, aerial equipment, snow and ice removal, fire and rescue, dump trucks, refuse trucks, and service trucks. The space-saving air shift cover design maximizes clearance under the truck. This part number is also referenced as SP680QHLZX-D3RK. Applicable Parker Chelsea documents include the 680 Series Owner's Manual and Parts List (HY25-2660-M1_US), the Chelsea PTO General Information Catalog, and PTO-PNI-250 covering new 680 Series ratio and output options.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
