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The Chelsea 221 Series Power Take-Off Assembly, part number 221XEAJX-H3XD or 221XEAJXH3XD, is a 6-bolt mechanical or wire/cable shift PTO built for low-speed, heavy-duty applications including dump trucks, tow and recovery, and aerial equipment. The 1-1/4" round output shaft with keyway delivers up to 250 lb-ft intermittent torque (339 Nm), with shaft power rated at 24 HP at 500 RPM and 48 HP at 1,000 RPM. Output power falls in the 46-55 HP range. Compatible transmission manufacturers include Allison, Eaton/Fuller, Volvo/Mack, and Hino. The cast iron housing uses tapered cone output bearings for strong load-bearing capability, and greaseable pump shafts help reduce spline fretting and corrosion. Call us to confirm proper fit for your application.
- 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 key
- Transmission Manufacturer: Allison, Eaton/Fuller, Volvo/Mack, Hino
- Mounting Type: 6-Bolt
- Shaft Power: 24 HP (500 RPM), 48 HP (1,000 RPM), 18 kW (500 RPM), 36 kW (1,000 RPM)
- Dimensions (H x W x L): 8.38 in. x 10.38 in. x 14.25 in.
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Features
- 6-bolt mounting for Allison, Eaton/Fuller, Volvo/Mack, and Hino transmissions
- Wire/cable or mechanical shift type
- 1-1/4" round output shaft with keyway
- Intermittent torque rating: 250 lb-ft (339 Nm) - confirm actual rating on 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 with standard or low-profile housing
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