The Chelsea 442 Series Power Take-Off, part number 442XXGXX-W5XD or 442XXGXXW5XD, is a 6-bolt mount PTO configured with air shift, a 0.391:1 gear ratio, and a 1-1/4" round standard output shaft. Mounting is standard mount with metric studs. The unit runs without pressure lube (dry sump). Its cast iron housing and tapered cone bearings on the output shaft are characteristic of the 442 Series, which Chelsea engineered for light-to-medium duty vocational applications including tow trucks, dump trucks, service trucks, and small aerial units. Typical markets include construction, forestry, snow and ice, and fire and rescue equipment. Call us to confirm proper fit for your transmission application.

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

The Chelsea 442 Series is compatible with virtually all existing 6-bolt transmission applications. Thirty-six output options and eleven internal speed ratios are offered across the 442 family, and the series is suited for vocational markets including aerial, fire and rescue, construction, forestry, and municipal equipment. This specific configuration pairs air shift actuation with the 0.391:1 ratio and a 1-1/4" round standard shaft, making it a common choice where a compact, air-controlled PTO drive is needed on a metric-stud 6-bolt transmission face.