The Chelsea 442XWJSX-A3XD or 442XWJSXA3XD is a 442 Series PTO assembly with air shift, standard mount and no pressure lube. The W gear ratio code is 26/17 and the input gear designator is JS. Output is a 1-1/4 in. round standard shaft with a 5/16 in. key, in assembly arrangement 3. The 442 Series uses a cast iron housing with a low-profile shift cover.
On a work truck, a PTO borrows drive from the transmission so a hydraulic pump or other body equipment can run off the engine.
A genuine Chelsea part from Pro Gear and Transmission. Call us to confirm proper fit for your transmission.
Features
Air shift (A) with standard mount (X)
Gear ratio code W (26/17), input gear designator JS
No pressure lube (X), assembly arrangement 3
Output: 1-1/4 in. round standard shaft with 5/16 in. key (XD)
442 Series cast iron housing with a 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: 3
- Output Option: 1-1/4" Round Standard Shaft with 5/16" Key (XD)
- Product Series: 442
Equivalent PTOs:
- MuncieTG6S-S6318-A1BHNot 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.

