Chelsea 442XWJSX-A5XK or 442XWJSXA5XK is a 442 Series PTO assembly with air shift. Decoded from the part number: standard mount, W gear ratio code (26/17), JS input gear, no pressure lube, assembly arrangement 5, and an SAE B 2 or 4-bolt flange with an SAE B shaft (7/8" 13T). The 442 Series is built around a cast iron housing and tapered cone bearings, with a low-profile shift cover. This is a genuine Chelsea part from Pro Gear and Transmission. Call us to confirm proper fit for your transmission.
Features
442 Series PTO assembly, standard mount, air shift
Gear ratio code W (26/17), input gear JS
No pressure lube
SAE B 2 or 4-bolt flange, SAE B shaft (7/8" 13T)
Series feature: cast iron housing
Series feature: low-profile shift cover
Tech Specs
- Mounting Option: Standard Mount (X)
- Gear Ratio Code: W (26/17)
- Input Gear Designator: JS
- Lube Option: No Pressure Lube (X)
- Shift Option: Air Shift (A)
- Assembly Arrangement: 5
- Output Option: SAE B 2 or 4-Bolt Flange, SAE B Shaft (7/8" 13T) (XK)
- Product Series: 442
Equivalent PTOs:
- MuncieTG6S-S6318-A3KHNot listed online. Call 877-776-4600 or request a quote.
Matched by full model number. Check the mounting, input gear and output against the unit you are replacing before you order. Look up any Chelsea, Muncie or Bezares number on our Muncie to Chelsea PTO cross reference.

