Chelsea PTO Outlet is your online source for the complete line of Parker® Chelsea Power Take-Off units and Repair Parts.
Parker offers 6-bolt, 8-bolt, 10-bolt, duel output, reversible, power-shift automatic, counter-shaft driven, split-shaft and front-mount units for most American, Japanese and European applications. Shift options include: air, cable, lever or electric. Some models also come equipped with over-speed controls. We sell repair parts like: rebuild kits, gears, adapters, flanges, clutch packs, shafts, housings, bearing, gasket and seal kits and shifter parts for all models and we can deliver overnight if needed.

Chelsea Power Take Off, PTO Units and Repair Parts. Parker Auxiliary Power Solutions Sales, Service and Repair.
To set up a PTO solution for your application, we need the following information:
1. The transmission model number.
2. Sitting in the seat what side will the PTO mount on. (Left or Right, Top or Bottom)
3. How will you shift the P.T.O, (Cable, Air, Electric, Lever)
4. Will the pump mount directly to the PTO or will you use a drive-shaft.
5. Type of truck are you building, (Roll Off, Wrecker, Dump Bed, Pump Truck Etc.)
6. Percentage of engine speed needed. (Ratio)
7. GPM if pump is also needed.
Chelsea PTO – Power Take-Off Units, Exploded View & Parts Manuals are available below in Adobe PDF format. (Click on your model to view the PDF.)
- 100 Series.
- 221 Series.
- 230 Series.
- 231 Series.
- 236 Series.
- 238 Series.
- 242 Series.
- 243 Series.
- 246 Series.
- 244 Series.
- 245 Series.
- 246 Series.
- 247 Series.
- 248 Series.
- 250 Series.
- 251 Series.
- 252 Series.
- 260 Series.
- 267 Series.
- 269 Series.
- 270 Series.
- 271 Series.
- 277 Series.
- 278 Series.
- 290 Series.
- 340 Series.
- 352 Series.
- 381 Series.
- 410 Series.
- 420 Series.
- 429 Series.
- 434 Series.
- 435 Series.
- 436 Series.
- 437 Series.
- 438 Series.
- 440 Series.
- 441 Series.
- 442 Series.
- 446 Series.
- 447 Series.
- 488 Series.
- 489 Series.
- 452 Series.
- 522 Series.
- 540 Series.
- 541 Series.
- 542 Series.
- 660 Series.
- 680 Series.
- 700 Series.
- 712 Series.
- 721 Series.
- 732 Series.
- 741 Series.
- 800 Series.
- 812 Series.
- 823 Series.
- 852 Series.
- 859 Series.
- 863 Series.
- 867 Series.
- 870 Series.
- 877 Series.
- 880 Series.
- 885 Series.
- 890 Series.
- 897 Series.
- 901 Series.
- 912 Series.
- 941 Series.
- 2230 Series.
- 2442 Series.
- CAT-D and H.
- Gear Adapters.
- 626 PTO Adapter.
- 628 PTO Adapter.
- 630 PTO Adapter.
- 645 PTO Adapter.
- Stud Kits.
PTO’s come in kit form and everything you need to install and operate the unit is included. Mounting, air configuration and electrical
installation instructions are included as well as a cable if cable shift is specified. Leaver assemblies require special configuration supplied by the buyer.