The Chelsea 221 Series Power Take-Off, part number 221XCAJP-A3XY or 221XCAJPA3XY, is a 6-bolt mounted PTO built around a cast iron housing with tapered cone output bearings for heavy load-bearing capability. The 221 Series carries an intermittent torque rating of 250 lb-ft (339 Nm) and delivers up to 48 HP at 1,000 RPM. Output options span SAE A, SAE B, ISO 7652 pump flanges, and driveline configurations. Shift type options include wire/cable and mechanical. The space-saving air shift cover maximizes clearance under the truck. Suited for tow and recovery, dump truck, aerial, and other vocational applications. Call us to confirm the correct configuration for your transmission and application.
Features
Chelsea 221 Series, part number 221XCAJP-A3XY or 221XCAJPA3XY
6-bolt mounting with cast iron housing
Tapered cone output bearings for greater load capacity versus needle bearings
Intermittent torque rating: 250 lb-ft (339 Nm); up to 48 HP at 1,000 RPM
Compatible with Allison, Eaton/Fuller, Volvo/Mack, and other transmissions
SAE A, SAE B, ISO 7652 pump flange, and driveline output configurations available
Tech Specs
- Mounting Type: 6-Bolt
- Housing: Cast Iron
- Intermittent Torque: 250 lb-ft (339 Nm)
- Shaft Power: 24 HP at 500 RPM / 48 HP at 1,000 RPM
- Output Power: 46-55 HP (31-40 kW)
- Shift Type: Wire/Cable or Mechanical
- Output Types: SAE A Pump Flange, SAE B Pump Flange, ISO 7652 Pump Flange, Driveline
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, and Other
- Continuous Operation: Yes, with 30% de-rating
- Dimensions (H x W x L): 8 in. x 10 in. x 14 in.
Additional Information
The Chelsea 221 Series is noted by Parker as an obsolete (no longer actively produced) product line. Existing units remain serviceable, and replacement parts may still be available. Cross-reference part number: SP221XCAJP-A3XY. NMFC classification: 128520, hydraulic PTOs, pumps, and motors. If you are sourcing this unit for a specific transmission or body application, call Pro Gear and Transmission to confirm the configuration matches your equipment.Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
