The Chelsea 221 Series Power Take-Off, part number 221XCAKP-W4XK or 221XCAKPW4XK, is a 6-bolt, wire/cable mechanical-shift PTO built for low-speed, heavy-duty service. Output is rated at 46-55 HP (31-40 kW), with intermittent torque up to 250 lb-ft (339 Nm) -- verify actual torque against the Chelsea application pages for your specific installation. The 1-1/4" round output shaft with keyway suits a wide range of pump drives. Compatible transmissions include Allison, Eaton/Fuller, Volvo/Mack, and Hino. The cast iron housing is available in standard or low-profile configurations, and greaseable pump shafts help prevent spline fretting and corrosion. Call us to confirm proper fit for your application.

• Intermittent Torque: 250 lb-ft / 339 Nm (check Chelsea application pages for actual torque rating for your installation)
• Shift Type: Wire/Cable, Mechanical
• Output Power: 46-55 HP / 31-40 kW
• Output Shaft Type: 1-1/4" round with key
• Transmission Compatibility: Allison, Eaton/Fuller, Volvo/Mack, Hino
• Mounting Type: 6-Bolt
• Shaft Power: 24 HP at 500 RPM / 48 HP at 1000 RPM (18 kW at 500 RPM / 36 kW at 1000 RPM)
• Continuous Operation: Yes, with 30% de-rating

The Chelsea 221 Series is designed for aerial, vocational, municipal, tow and recovery, dump truck, and other mobile equipment applications. The cast iron housing and tapered cone output bearings provide strong load-bearing capability over the long term. The 221 Series offers multiple internal speed ratios and a self-lube option for transmissions that have difficulty delivering lubrication to the PTO. The 360-degree rotatable flange is available as an output option across the series lineup.