The Chelsea 680ZQAHX-A4XR or 680ZQAHXA4XR is a 680 Series Power Take-Off built for manual transmission applications with an 8-bolt PTO aperture. The 680 Series is a medium- to heavy-duty design with a cast iron housing and tapered cone bearings on the output shaft, suited for higher-torque work such as pneumatic blowers. The series supports Eaton/Fuller, Volvo/Mack, Daimler/Detroit, and other transmission manufacturers, and includes a deep mount housing option for Mack applications. Shift types available in the series include wire/cable and mechanical. Output options in the 680 Series cover SAE A, SAE B, and other pump flange configurations plus driveline outputs. Call us to confirm the exact configuration for your application.
Features
8-bolt mounting for manual transmission applications including Eaton/Fuller and Volvo/Mack
Cast iron housing with tapered cone bearings on the output shaft for high-torque capability
Series supports wire/cable and mechanical shift types
Deep mount housing option available for Mack transmission applications
Designed for high-torque equipment such as pneumatic blowers, dump, aerial, and refuse applications
Series output power rated at 56+ HP, with shaft power figures of 36 HP at 500 RPM and 71 HP at 1000 RPM
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit, Other manual transmissions
- Shift Type: Wire/Cable, Mechanical
- Output Type: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Output Power: 56+ HP (51+ kW)
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Intermittent Torque Rating: 375 lb-ft (508 Nm) - verify actual rating on application page
- Continuous Operation: Yes, with 30% de-rating
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
- NMFC Code: 128520 (Hydraulic PTOs, Pumps, Motors, etc.)
Additional Information
The Chelsea 680 Series is built for vocational and municipal markets including aerial work, snow and ice removal, fire and rescue, dump truck, service trucks, refuse, and blower and product pump applications. The series features 32 output options, including Chelsea's 360-degree rotatable flange for flexible pump fitment, four internal speed ratios, and ten shift options. The space-saving air shift cover is designed to provide maximum clearance under the truck. The input shaft uses tapered bearings rather than needle bearings for greater load capacity. For application-specific torque ratings or to verify fit for your transmission, contact Pro Gear and Transmission directly.Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
