The Chelsea 660ZQDAX-A3GH or 660ZQDAXA3GH is a Power Take-Off from Chelsea's 660 Series, designed for most popular 6-bolt manual transmissions in medium to heavy duty applications. The 660 Series is built around a cast iron housing with tapered cone bearings on both the input and output shafts, supporting an intermittent torque rating of up to 375 lb-ft. The series offers 26 output options and four internal speed ratios, with shift options including wire/cable and mechanical. Continuous operation is supported with a 30% de-rating. Compatible transmission manufacturers include Eaton/Fuller, Volvo/Mack, and others. Call us to confirm proper fit for your application.
Features
6-bolt mounting fits most popular manual transmissions including Eaton/Fuller and Volvo/Mack
Cast iron housing with tapered cone bearings on both input and output shafts
Intermittent torque capacity up to 375 lb-ft (508 Nm)
Shift options: wire/cable and mechanical
Continuous operation capable with 30% de-rating
Output options include SAE A, SAE B, SAE C pump flanges, driveline, and round shaft configurations
Tech Specs
- Mounting Type: 6-Bolt
- Transmission Compatibility: Eaton/Fuller, Volvo/Mack, and other popular manual transmissions
- Intermittent Torque: Up to 375 lb-ft (508 Nm)
- Shift Type: Wire/Cable or Mechanical
- Output Options: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline, Round Shaft (1-1/4 in. - 5/16 in. Key), SAE A (5/8 in. - 9T) Pump Spline, SAE BB (1 in. - 15T) Pump Spline, SAE B (7/8 in. - 13T) Pump Spline, SAE C (1-1/4 in. - 14T) Pump Spline, 3/4 in. - 11T Pump Spline, DIN 5462 Pump Spline, 1410 Companion Flange
- Internal Speed Ratios: Four available
- Output Power: 56+ HP / 51+ kW
- Shaft Power: 36 HP at 500 RPM, 71 HP at 1000 RPM, 107 HP at 1500 RPM
- Continuous Operation: Yes, with 30% de-rating
- Housing Material: Cast Iron
Additional Information
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
