442ZFAHX-S3RB Chelsea PTO Assembly

The Chelsea 442 Series Power Take-Off, part number 442ZFAHX-S3RB or 442ZFAHXS3RB, is a 6-bolt mount PTO built for light-to-medium duty vocational applications including dump trucks, tow trucks, and service trucks. This unit carries a 0.391:1 gear ratio with air shift actuation and a 1-1/4" round standard output shaft. Mounting uses the standard configuration with metric studs. The output runs without pressure lube (dry-sump design). The cast iron housing and tapered cone bearings on the output shaft are characteristic of the 442 Series, which Parker Chelsea rates for intermittent torque up to 250 lb-ft and output shaft power up to 48 HP at 1,000 RPM. Call us to confirm proper fit for your specific transmission application.

Features

442 Series, 6-bolt standard mount with metric studs
Air shift actuation
0.391:1 gear ratio
1-1/4" round standard output shaft
No-pressure-lube (dry-sump) design
Cast iron housing with tapered cone bearings on the output shaft

Tech Specs

• Product Series: 442
• Input Gear Designator: AH
• Gear Ratio: 0.391:1
• Mounting Option: Standard Mount with Metric Studs (6-Bolt)
• Shift Type: Air Shift
• Output Option: 1-1/4" Round Standard Shaft
• Assembly: 3
• Lubricant: No Pressure Lube

Additional Information

The Chelsea 442 Series is suited for aerial, fire and rescue, construction, forestry, and vocational and municipal equipment. Typical applications include snow and ice trucks, service trucks, dump trucks, and towing and recovery trucks. The 442 Series offers thirty-six output options, including Chelsea's 360-degree rotatable flange, and eleven internal speed ratios. Parker Chelsea rates the 442 Series for intermittent torque between 201 and 300 lb-ft (301-400 Nm), with a continuous torque rating derated 30% from the intermittent figure (check application pages for actual torque ratings for your specific configuration). Output shaft power is rated up to 48 HP at 1,000 RPM. The low-profile shift cover aids installation in tight engine compartments.