The Chelsea 267XDFJW-M5XK or 267XDFJWM5XK is a 10-bolt constant mesh power take-off assembly from the Chelsea 267 Series, engineered to fit Allison automatic transmissions. It delivers intermittent torque in the 301-400 lb-ft range, with an application-specific rating of 335 lb-ft (454 Nm) - confirm your exact figure against Chelsea application pages for your setup. The 1-1/4" round output shaft with keyway connects directly to hydraulic pumps, making this unit well-suited for load-sensing pump applications on yard jockey trucks, refuse vehicles, and snow and ice equipment. Shaft power is rated at 32 HP at 500 RPM and 64 HP at 1,000 RPM, with output power exceeding 56 HP. The 267 Series 10-bolt mounting pattern provides tighter sealing than a 6-bolt PTO. Call us to confirm proper fit for your transmission and application.

The Chelsea 267 Series is available in five speed ratios and multiple output configurations. The SuperTorque option provides up to 20% more torque capacity than a standard 267 Series unit. Typical markets served by the 267 Series include refuse, snow and ice, aerial, and yard jockey truck applications. Continuous operation is supported with a 30% de-rating applied.
Features
10-bolt constant mesh design fits Allison automatic transmissions
335 lb-ft (454 Nm) intermittent torque rating - verify against Chelsea application pages for your specific unit
1-1/4" round output shaft with keyway
Shaft power: 32 HP at 500 RPM, 64 HP at 1,000 RPM
Rotatable flanges allow 360-degree repositioning to improve pump clearance
Wet spline or greaseable shaft option available to extend PTO and pump shaft service life
Tech Specs
- INTERMITTENT TORQUE: 335 lb-ft / 454 Nm (check Chelsea application pages for your actual torque rating; series range is 301-400 lb-ft / 401-500 Nm)
- MOUNTING TYPE: 10-Bolt
- SHIFT TYPE: Constant Mesh
- TRANSMISSION COMPATIBILITY: Allison Automatic
- OUTPUT SHAFT TYPE: 1-1/4" Round with Keyway
- OUTPUT POWER: 56+ HP / 41-50 kW
- SHAFT POWER: 32 HP (500 RPM), 64 HP (1,000 RPM) / 24 kW (500 RPM), 48 kW (1,000 RPM)
Additional Information

The Chelsea 267 Series is available in five speed ratios and multiple output configurations. The SuperTorque option provides up to 20% more torque capacity than a standard 267 Series unit. Typical markets served by the 267 Series include refuse, snow and ice, aerial, and yard jockey truck applications. Continuous operation is supported with a 30% de-rating applied.
Parts Manual: Chelsea 267 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
