The Chelsea 221 Series Power Take-Off Assembly, part number 221ZEAKP-M5XK or 221ZEAKPM5XK, is a 6-bolt mounted PTO designed for low-speed, heavy-duty work. It uses a wire/cable mechanical shift and delivers up to 48 HP at 1,000 RPM (24 HP at 500 RPM), with an intermittent torque rating of 201-300 lb-ft (check application pages for actual torque ratings). The 1-1/4" round output shaft accepts a key for direct pump drive. Compatible transmission manufacturers include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. The cast iron housing is available in standard or low-profile configuration to clear tight chassis spaces. Greaseable pump shafts help reduce spline fretting and corrosion over time. A genuine Chelsea part, sold by Pro Gear and Transmission. Call us to confirm proper fit for your specific transmission and application.
Features
6-bolt mounting configuration compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission manufacturers
1-1/4" round output shaft with keyway for direct pump drive
Wire/cable mechanical shift type
Intermittent torque rating of 201-300 lb-ft (check application pages for actual torque ratings)
Shaft power output: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Available with standard or low-profile housing; greaseable pump shafts reduce spline fretting and corrosion
Tech Specs
- Intermittent Torque: 201-300 lb-ft, 301-400 Nm, 250 (Check Application Pages for Actual Torque Ratings) lb-ft, 339 (Check Application Pages for Actual Torque Ratings) Nm
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP, 31-40 kW
- Output Shaft Type: 1-1/4" Round, 1-1/4" Round w/key
- Transmission Manufacturer: Hino, Allison, Other, Volvo/Mack, Eaton/Fuller
- Mounting Type: 6-Bolt
- Shaft Power: 500 RPM: 24, 1000 RPM: 48 HP, 500 RPM: 18, 1000 RPM: 36 kW
- Weight: 30 lb, 13.6 kg
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) - exploded views, item numbers and the full parts breakdown for this series.
