The Chelsea 660XSAHX-W3XD is a 660 Series Power Take-Off built for medium- to heavy-duty truck applications. It mounts on 6-bolt manual transmissions from Eaton/Fuller, Volvo/Mack, Hino, and other compatible manufacturers. Shift engagement is wire/cable mechanical. The output shaft is a 1-1/4" round with keyway. The 660 Series carries an intermittent torque rating up to 375 lb-ft (508 Nm) - verify actual rating against the Chelsea application pages for this exact configuration. Shaft power ratings for the series run 36 HP at 500 RPM, 71 HP at 1,000 RPM, and 107 HP at 1,500 RPM. The cast iron housing and tapered cone bearings on the output shaft contribute to long service life. Sold by Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
6-bolt mounting for compatibility with Eaton/Fuller, Volvo/Mack, Hino, and other manual transmissions
Wire/cable mechanical shift engagement
1-1/4" round output shaft with 5/16" key
Intermittent torque capacity up to 375 lb-ft (508 Nm) - confirm rating via Chelsea application pages
Shaft power output: 36 HP at 500 RPM, 71 HP at 1,000 RPM, 107 HP at 1,500 RPM
Cast iron housing with tapered cone bearings on input and output shafts
Tech Specs
- Intermittent Torque: Up to 375 lb-ft (508 Nm) - check Chelsea application pages for actual rating for this configuration
- Shift Type: Wire/Cable, Mechanical
- Output Power: 56+ HP (51+ kW)
- Transmission Manufacturer Compatibility: Eaton/Fuller, Volvo/Mack, Hino, Other 6-bolt manual transmissions
- Output Shaft Type: 1-1/4" Round with 5/16" key
- Mounting Type: 6-Bolt
- Shaft Power: 36 HP (27 kW) at 500 RPM; 71 HP (53 kW) at 1,000 RPM; 107 HP (80 kW) at 1,500 RPM
- Continuous Operation: Yes, with 30% de-rating
Additional Information
Parts Manual: Chelsea 660 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
