221ZEAKP-M3XK Chelsea PTO Assembly

The Chelsea 221 Series Power Take-Off, part number 221ZEAKP-M3XK or 221ZEAKPM3XK, is a 6-bolt, wire/cable mechanical-shift PTO built for low-speed, heavy-duty applications such as dump trucks, tow and recovery, and aerial equipment. The output shaft is a 1-1/4" round with key, and the unit mounts to transmissions from Allison, Eaton/Fuller, Volvo/Mack, Hino, and other manufacturers. Intermittent torque ratings for the 221 Series reach 250 lb-ft (339 Nm); verify the actual rating for your specific application on Chelsea's application pages. Shaft power delivery is rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. The cast iron housing is available in standard or low-profile configurations, and greaseable pump shafts help reduce spline fretting and corrosion. Call us to confirm proper fit for your application.

Features

6-bolt mounting compatible with Allison, Eaton/Fuller, Volvo/Mack, Hino, and other transmission manufacturers
Wire/cable mechanical shift operation for low-speed, heavy-duty use
1-1/4" round output shaft with key
Intermittent torque capacity up to 250 lb-ft (339 Nm) - confirm actual rating on Chelsea application pages
Shaft power: 24 HP at 500 RPM, 48 HP at 1,000 RPM
Greaseable pump shafts to reduce spline fretting and corrosion; available in standard or low-profile housing

Tech Specs

• Intermittent Torque: 250 lb-ft / 339 Nm (Check Application Pages for Actual Torque Ratings)
• Shift Type: Wire/Cable, Mechanical
• Mounting Type: 6-Bolt
• Output Shaft Type: 1-1/4" Round with Key
• Output Power: 46-55 HP / 31-40 kW
• Shaft Power: 24 HP (500 RPM), 48 HP (1,000 RPM) / 18 kW (500 RPM), 36 kW (1,000 RPM)
• Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino, Other
• Housing Options: Standard or Low-Profile

Additional Information