221XCAJP-H5RB Chelsea 221 Series PTO

The Chelsea 221XCAJP-H5RB or 221XCAJPH5RB is a Power Take-Off from Chelsea's 221 Series, a cast iron, 6-bolt mounted PTO designed for low-speed, heavy-duty vocational applications including dump trucks, tow and recovery, and aerial equipment. The 221 Series carries an intermittent torque rating of 250 lb-ft and supports output power of 48 HP at 1,000 RPM. The series accommodates Allison, Eaton/Fuller, Volvo/Mack, and other transmission families. Output options across the 221 Series span SAE A, B, BB, and C pump flanges, driveline, and multiple shaft configurations. The tapered cone output bearings provide greater load-bearing capability than needle-bearing designs. Pro Gear and Transmission carries this genuine Chelsea part. Call us to confirm proper fit for your specific transmission and application.

Features

Chelsea 221 Series Power Take-Off, part 221XCAJP-H5RB or 221XCAJPH5RB
6-bolt mounting configuration
Cast iron housing with tapered cone output bearings for heavy-load capability
Intermittent torque rating: 250 lb-ft (339 Nm) per series specification
Output power: 48 HP (36 kW) at 1,000 RPM
Compatible transmission families include Allison, Eaton/Fuller, and Volvo/Mack
Suited for dump truck, tow and recovery, and aerial equipment applications

Tech Specs

• Mounting Type: 6-Bolt
• Housing Material: Cast Iron
• Intermittent Torque (Series): 250 lb-ft / 339 Nm (verify actual rating on application pages)
• Output Power: 48 HP (36 kW) at 1,000 RPM; 24 HP (18 kW) at 500 RPM
• Continuous Operation: Yes, with 30% de-rating
• Compatible Transmissions: Allison, Eaton/Fuller, Volvo/Mack, and others
• Output Options (Series): SAE A Pump Flange, SAE B Pump Flange, SAE BB Pump Flange, SAE C Pump Flange, ISO 7652 Pump Flange, Driveline
• Shift Type (Series): Wire/Cable or Mechanical
• Dimensions (H x W x L): 8 in. x 10 in. x 14 in.

Additional Information

Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.

Parker Chelsea lists the 221 Series as obsolete. Pro Gear and Transmission can help you confirm whether this part number remains available or identify a compatible current-production alternative. Call us with your transmission model and application details.