The Chelsea 267SBFJW-M5AK or 267SBFJWM5AK is a 10-bolt constant mesh Power Take-Off Assembly from the Chelsea 267 Series, designed to mount on Allison automatic transmissions. The output shaft is a 1-1/4" round with key, and shaft power is rated at 32 HP at 500 RPM and 64 HP at 1,000 RPM, with output power exceeding 56 HP. Intermittent torque capacity runs 301-400 lb-ft; verify your exact application torque in the Chelsea application pages. The 267 Series supports continuous operation with a 30% de-rating and suits mobile applications such as yard jockey trucks, snow and ice equipment, and small refuse trucks. Chelsea's 360-degree rotatable flange and wet spline shaft options are available within the series. A genuine Chelsea part from Pro Gear and Transmission. Call us to confirm proper fit for your application.
Features
10-bolt mounting pattern designed for Allison automatic transmissions
Constant mesh shift type - no clutching required for engagement
1-1/4" round output shaft with key
Shaft power: 32 HP at 500 RPM, 64 HP at 1,000 RPM
Rotatable flanges allow 360-degree positioning to improve pump clearance
Wet spline or greaseable shaft options available to extend PTO and pump shaft service life
Tech Specs
- MOUNTING TYPE: 10-Bolt
- SHIFT TYPE: Constant Mesh
- TRANSMISSION MANUFACTURER: Allison
- OUTPUT SHAFT TYPE: 1-1/4" Round with Key
- INTERMITTENT TORQUE: 301-400 lb-ft (401-500 Nm); 335 lb-ft / 454 Nm (check application pages for actual torque ratings)
- OUTPUT POWER: 56+ HP (41-50 kW)
- SHAFT POWER: 32 HP at 500 RPM, 64 HP at 1,000 RPM (24 kW at 500 RPM, 48 kW at 1,000 RPM)
- DIMENSIONS (H x W x L): 8.38" x 10.38" x 14.25"
Additional Information
Parts Manual: Chelsea 267 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
