Chelsea PTO 434 Series Parts Manual
This Chelsea Illustrated Parts List covering the 434 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 434 |
| PTO type | Chelsea 400 Series |
| Document | Illustrated Parts List (Chelsea) |
| Length | 10 pages |
| Format | PDF — view below or download free |
What’s inside
- Gear sets & output shaft assemblies
- Shifter & air-shift control kits
- Mounting gaskets & adapter plates
- Housings & cover assemblies
- Seal, bearing & snap-ring kits
- Application & ratio reference tables
- Exploded views with OEM part numbers
Read the manual
This is our interactive copy of the factory manual — part numbers are clickable and every exploded-view callout links to the part. Plain factory PDF if you prefer it.
Chelsea parts & units we stock
Pro Gear and Transmission stocks new, remanufactured and good-used parts for Chelsea PTO units:
Chelsea 434 parts list — every part number linked
This is the bill of materials from the manual above, matched against our own stock. Click any part number to see the listing and current price, or use ▶ Add to drop it straight in your cart. 35 of the 48 lines in this book are parts we carry.
Prices are shown on each product page so you always see the current one. Anything not linked, or marked no longer available, we can still usually source — call (877) 776-4600.
Prefer the book? Download the interactive PDF — same manual, with every part number and every exploded-view balloon clickable.
Bill of Materials — manual page 6
| Item | Part number | Description | Qty | Order |
|---|---|---|---|---|
| 1 | 1-P-504 | Housing call to confirm availability | 1 | |
| 2 | 2-P-699 | Gear, Output (20 teeth) | 1 | ▶ Add |
| 3 | 5-P-962 | Gear, Idler | 1 | ▶ Add |
| 4 | 9-P-66 | Shaft, Idler | 1 | ▶ Add |
| 5 | 14-P-15 | Input Gear Spacers | A/R | ▶ Add |
| 11 | 68-P-37 | Name Plate call to confirm availability | 1 | |
| 13 | 328274X | Bearing Cap Assembly (Closed End) | 1 | ▶ Add |
| 14 | 378391 | Lockring | 2 | ▶ Add |
| 15 | 378422 | Drive Screw | 2 | ▶ Add |
| 16 | 378430-10 | Capscrew, Hex Head (.312"-18 x 1.000") | 4 | ▶ Add |
| 17 | 378452-7 | Set Screw (.250"-20 x .500") | 1 | ▶ Add |
| 19 | 550397 | Bearing Cone | 1 | ▶ Add |
| 20 | 550439 | Bearing Cone | 2 | ▶ Add |
| 21 | 550532 | Bearing Cone | 1 | ▶ Add |
| 26 | 329038-1X | Cable Shift Cover Assembly (3 & 6) 1 or call to confirm availability | ||
| 329038-2X | Cable Shift Cover Assembly (4 & 5) call to confirm availability | 1 | ||
| 29 | 278430-9 | Capscrew, Hex Head (.312"-18 x .875") call to confirm availability | 1 | |
| AIR SHIFT | ||||
| 33 | 329363X | Shifter Cover Assembly, Air Shift ( Includes Items 33a-33j) | 1 | ▶ Add |
| 34 | 379904 | Push Connect, for 1/4" tubing | 1 | ▶ Add |
| 35 | 35-P-8 | Gasket, Shifter Cover | 1 | ▶ Add |
| 36 | 378430-9 | Capscrew, Hex Head (.312"-18 x .875") | 4 | ▶ Add |
| AIR SHIFT CONVERSION KITS | ||||
| 328390-105X | Lever to Air 12V call to confirm availability | 1 | ||
| 328390-106X | Lever to Air 24V call to confirm availability | 1 | ||
| 328390-117X | Lever or Cable to Air | 1 | ▶ Add | |
| 328390-119X | Lever or Cable to Electric/Air, 12V | 1 | ▶ Add | |
| 328390-120X | Lever or Cable to Electric/Air, 24V | 1 | ▶ Add | |
| 39 | 3-P-202 | Shaft, Output | 1 | ▶ Add |
| 40 | 28-P-216 | Oil Seal | 1 | ▶ Add |
| 41 | 328273X | Bearing Cap Assembly | 1 | ▶ Add |
| 42 | 378430-10 | Capscrew, Hex Head (.312"-18 x 1.000") | 4 | ▶ Add |
| 43 | 500007-29 | Woodruff Key | 1 | ▶ Add |
| LOOSE PARTS | ||||
| 328170-197X | Stud Kit | 1 | ▶ Add | |
| 328961-3X | Installation Instructions | 1 | ▶ Add | |
| 64 | 328345-15X | Cable Control Assembly (See Page 3) call to confirm availability | 1 | |
| 328380X | Cable Control Parts Bag | 1 | ▶ Add | |
| 328751X | Installation Kit call to confirm availability | 1 | ||
| 328388-37X | Air Shift Installation Kit no longer available — call for a replacement | 1 | ||
| 328711X | Installation Kit ("XR" Pump) | 1 | ▶ Add | |
| 329166-12X | E-Z Shift Installation Kit call to confirm availability | 1 | ||
Parts list (page 7) — manual page 7
| Item | Part number | Description | Qty | Order |
|---|---|---|---|---|
| 33 | 329363X | Shifter Cover Assembly, Air Shift ( Includes Items 33a-33j) | 1 | ▶ Add |
| 34 | 379904 | Push Connect, for 1/4" tubing | 1 | ▶ Add |
| 35 | 35-P-8 | Gasket, Shifter Cover | 1 | ▶ Add |
| 36 | 378430-9 | Capscrew, Hex Head (.312"-18 x .875") | 4 | ▶ Add |
| 328390-105X | Lever to Air 12V call to confirm availability | 1 | ||
| 328390-106X | Lever to Air 24V call to confirm availability | 1 | ||
| 328390-117X | Lever or Cable to Air | 1 | ▶ Add | |
| 328390-119X | Lever or Cable to Electric/Air, 12V | 1 | ▶ Add | |
| 328390-120X | Lever or Cable to Electric/Air, 24V | 1 | ▶ Add |
Part numbers and descriptions are taken from the Chelsea/Parker parts manual on this page. Chelsea® and Parker® are trademarks of Parker Hannifin Corporation; Pro Gear and Transmission is an independent distributor.