The Chelsea 221 Series Power Take-Off, part number 221XEAHX-V4XK or 221XEAHXV4XK, is a 6-bolt mounted PTO with wire/cable mechanical shift designed for low-speed, heavy-duty applications including dump trucks, tow and recovery, and aerial equipment. Output shaft is a 1-1/4" round with keyway. The 221 Series delivers up to 250 lb-ft (339 Nm) intermittent torque and shaft power of 24 HP at 500 RPM and 48 HP at 1,000 RPM, within an output power range of 46-55 HP. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, Hino, and others. The cast iron housing features tapered cone output bearings for strong load-bearing capability, and this series is available in standard or low-profile housing configurations. Call us to confirm proper fit for your application.
Features
Chelsea 221 Series PTO, part number 221XEAHX-V4XK or 221XEAHXV4XK
6-bolt mounting; wire/cable mechanical shift
1-1/4" round output shaft with keyway
Intermittent torque up to 250 lb-ft (339 Nm); shaft power 24 HP at 500 RPM, 48 HP at 1,000 RPM
Cast iron housing with tapered cone output bearings for heavy load-bearing capability
Available in standard or low-profile housing; greaseable pump shafts reduce spline fretting and corrosion
Fits Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission applications
Tech Specs
- Intermittent Torque: 250 lb-ft / 339 Nm (check application pages for actual torque ratings)
- Shift Type: Wire/Cable, Mechanical
- Output Power: 46-55 HP / 31-40 kW
- Output Shaft Type: 1-1/4" Round with 5/16" Key
- Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP (500 RPM), 48 HP (1,000 RPM) / 18 kW (500 RPM), 36 kW (1,000 RPM)
- Continuous Operation: Yes, with 30% de-rating
Additional Information
Parts Manual: Chelsea 221 Series PTO Parts Manual (PDF) - exploded views, item numbers and the full parts breakdown for this series.
