442KWBSX-A3XD Chelsea Power Take-Off

The Chelsea 442 Series Power Take-Off, part number 442KWBSX-A3XD or 442KWBSXA3XD, is a 6-bolt mount PTO built around a cast iron housing with tapered cone bearings on the output shaft. The 442 Series delivers intermittent torque in the 201-300 lb-ft range and output power of 46-55 HP, making it well suited for tow trucks, dump trucks, service trucks, and aerial applications. Shift type is wire/cable mechanical, and the output shaft is a round shaft with a 1-1/4" key. Rotatable output flanges allow positioning flexibility during installation. Available from Pro Gear and Transmission.

Features

6-bolt transmission mounting for broad compatibility
Cast iron housing with tapered cone bearings on the output shaft
Wire/cable mechanical shift type
Round output shaft with 1-1/4" key
360-degree rotatable output flange for installation clearance
Intermittent torque rating: 201-300 lb-ft (check application pages for actual rating)

Tech Specs

• Series: Chelsea 442
• Mounting Type: 6-Bolt
• Shift Type: Wire/Cable Mechanical
• Output Shaft Type: Round Shaft, 1-1/4" Key
• Intermittent Torque: 201-300 lb-ft (339 Nm); check application pages for actual rating
• Output Power: 46-55 HP (31-40 kW)
• Shaft Power: 24 HP at 500 RPM, 48 HP at 1000 RPM
• Housing Material: Cast Iron
• Bearing Type: Tapered Cone Bearings

Additional Information

The Chelsea 442 Series is designed to work with virtually all existing 6-bolt transmission applications. Eleven internal speed ratios and thirty-six output options are available across the 442 Series family. Typical applications include snow and ice trucks, service trucks, dump trucks, and towing and recovery trucks. The 442 Series is also used in aerial, fire and rescue, construction, forestry, and vocational and municipal equipment markets.
Parker Chelsea reference documents for this series: 442 Series Parts List (HY25-2442-M1_US), Chelsea Service Manual (HY25-6442-M1/US), and 442 Series Sales Literature.

Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.