The Chelsea 442ZLAHX-A3RK is a 442 Series Power Take-Off built for 6-bolt transmission applications. The cast iron housing and tapered cone bearings on the output shaft deliver the torque capacity and service life the 442 Series is known for in light-to-medium duty vocational work. The series carries an intermittent torque rating of 201-300 lb-ft and output power of 46-55 HP, with shift actuation via wire/cable or mechanical means. The round output shaft accepts a 1-inch, 1/4-inch key. Common applications for the 442 Series include dump trucks, tow and recovery trucks, service trucks, and aerial units. Part number 442ZLAHX-A3RK is also referenced as SP442ZLAHX-A3RK.
Features
Chelsea 442 Series Power Take-Off
6-bolt mounting fits virtually all existing 6-bolt transmission applications
Cast iron housing with tapered cone bearings on the output shaft
Wire/cable or mechanical shift actuation
Round output shaft, 1 in. diameter with 1/4 in. key
Series intermittent torque rating: 201-300 lb-ft (339 Nm); output power: 46-55 HP
Rotatable output flange options available across the 442 Series lineup
Tech Specs
- Mounting Type: 6-Bolt
- Shift Type: Wire/Cable or Mechanical
- Output Shaft Type: Round Shaft, 1 in. with 1/4 in. Key
- Series Intermittent Torque: 201-300 lb-ft (339 Nm) - check application pages for actual rating
- Series Output Power: 46-55 HP (31-40 kW)
- Series Shaft Power: 24 HP at 500 RPM / 48 HP at 1000 RPM
- Housing Material: Cast Iron
- Product Series: 442
- Alternate Part Number: SP442ZLAHX-A3RK
Additional Information
The PTO-PNI-275 service note from Parker Chelsea covers RK and RJ output options, which applies to this part number. The 442 Series is supported by the Chelsea Service Manual HY25-6442-M1/US and the 442 Series Parts List HY25-2442-M1_US. Vocational markets for the 442 Series include aerial, fire and rescue, construction, forestry, and municipal equipment.Parts Manual: Chelsea 442 Series PTO Parts Manual (PDF) — exploded views, item numbers and the full parts breakdown for this series.
