The Chelsea 680GQAHX-A3GA or 680GQAHXA3GA is a 680 Series Power Take-Off built for medium- to heavy-duty manual transmission applications with an 8-bolt PTO aperture. The 680 Series uses a cast iron housing with tapered cone bearings on the output shaft, which suits higher-torque applications such as pneumatic blowers, dump trucks, aerial units, and refuse vehicles. Coverage spans Eaton/Fuller and Mack transmissions, with a deep-mount housing option available for Mack applications. The series carries an intermittent torque rating of 375 lb-ft (508 Nm) - check application pages for the specific rating for this configuration. Shift options include wire/cable and mechanical. Call us to confirm proper fit for your application.
Features
Chelsea 680 Series, 8-bolt mounting for most manual transmission applications
Cast iron housing with tapered cone bearings on the output shaft for load capacity and service life
Designed for higher-torque applications including pneumatic blowers, dump trucks, aerial, and refuse
Deep-mount housing option available for Mack transmission applications
Series intermittent torque rating: 375 lb-ft (508 Nm) - verify for this specific configuration
Shift types: wire/cable or mechanical
Tech Specs
- Mounting Type: 8-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, Daimler/Detroit
- Shift Type: Wire/Cable or Mechanical
- Intermittent Torque (Series Rating): 375 lb-ft / 508 Nm (verify for this configuration)
- Continuous Operation: Yes, with 30% de-rating
- Output Power (Series): 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Housing Material: Cast Iron
- Output Shaft Bearing Type: Tapered Cone Bearings
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
Parts Manual: Chelsea 680 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
