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.

Important: 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.