The Chelsea 863 Series Power Take-Off, part number 863XBAKP-Y4XV or 863XBAKPY4XV, is a forward and reverse PTO engineered for heavy-duty mechanical winch applications in oil field, logging, and mobile equipment operations. It mounts to transmissions with an 8-bolt opening, including Eaton Fuller and Mack units, using a reversible 8-bolt pattern. The output is a 1410 Series companion flange with a driveline output type and lever-mechanical shift. The cast iron housing and heavy-duty ball bearings on the output shaft support torque ratings up to 500 lb-ft, with continuous operation available at a 30% de-rating. Call us to confirm proper fit for your transmission and application.
Features
Forward and reverse operation designed for maximum-duty reversible applications
8-bolt reversible mounting fits Eaton Fuller, Mack, and other compatible transmissions
1410 Series companion flange driveline output
Torque rating up to 500 lb-ft; continuous operation with 30% de-rating
Cast iron housing with heavy-duty ball bearings on the output shaft
Lever-mechanical shift type
Tech Specs
- Output Type: Driveline
- Shift Type: Lever, Mechanical
- Mounting Type: Reversible, 8-Bolt
- Output Shaft: 1410 Series Companion Flange
- Intermittent Torque: Up to 500 lb-ft (678 Nm)
- Continuous Operation: Yes, with 30% de-rating
- Output Power: 56+ HP
- Shaft Power: 48 HP at 500 RPM, 95 HP at 1000 RPM
- Compatible Transmissions: Eaton Fuller, Mack (Volvo/Mack), Allison, and other 8-bolt opening transmissions
- Typical Applications: Oil field, logging, heavy-duty mechanical winches
Additional Information
Parts Manual: Chelsea 863 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
