Chelsea PTO 100 Series Parts Manual
This Chelsea Illustrated Parts List covering the 100 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 100 |
| PTO type | Chelsea power take-off (PTO) |
| Document | Illustrated Parts List (Chelsea) |
| Length | 16 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 100 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. 71 of the 89 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.
Parts list (page 6) — manual page 6
| Item | Part number | Description | Qty | Order |
|---|---|---|---|---|
| 328852-1X | Housing & Bearing Assembly (contains items 1-4) | 1 | ▶ Add | |
| 1 | 1-P-393 | Housing | 1 | ▶ Add |
| 2 | 550895 | Needle Bearing | 1 | ▶ Add |
| 3 | 550135 | Needle Bearing | 1 | ▶ Add |
| 4 | 379124 | Lockring | 1 | ▶ Add |
| 7 | 31-P-79 | Thrust Washer | 2 | ▶ Add |
| 328886X | Bearing Replacement Kit (includes items 7-9) | 1 | ▶ Add | |
| 8 | 378108 | Ball Bearings (set of 21) | 1 | ▶ Add |
| 9 | 378331 | Lockring | 1 | ▶ Add |
| 10 | 22-P-69 | Gasket | 1 | ▶ Add |
| 11 | 378106 | Thrust Plate | 1 | ▶ Add |
| 12 | 28-P-226 | Thrust Bearing Cap & Seal | 1 | ▶ Add |
| 13 | 378447-4 | Screw, socket head with patch | 3 | ▶ Add |
| 328751-1X | Installation Kit (Cable & Lever) | 1 | ▶ Add | |
| 328932-1X | Cable Control Cover Assembly (Assembly 3) (contains items 14-23) | 1 | ▶ Add | |
| 328932-2X | Cable Control Cover Assembly (Assembly 4) (contains items 14-23) | 1 | ▶ Add | |
| 329009X | Cable Control Cover Assembly for 100XRELX-W3/4** & 100XRFMX-W3/4** Only call to confirm availability | 1 | ||
| 14 | 34-P-102 | Shifter Cover, Standard Unit no longer available — call for a replacement | 1 | |
| 34-P-106 | Shifter Cover, Isuzu 100XRELX-W3/4** & Nissan 100XRFMX-W3/4**Only call to confirm availability | 1 | ||
| 15 | 37-P-19 | Shifter Spring | 1 | ▶ Add |
| 16 | 63-P-16 | Poppet | 1 | ▶ Add |
| 17 | 28-P-191 | O-Ring | 1 | ▶ Add |
| 18 | 328848X | Shifter Plate Assembly no longer available — call for a replacement | 1 | |
| 19 | 378004 | Flat Washer | 1 | ▶ Add |
| 20 | 51-P-22 | Shifter Lever | 1 | ▶ Add |
| 21 | 500356-10 | Lock Washer | 1 | ▶ Add |
| 22 | 500409-6 | Screw, hex head (.312-24 x .625") | 1 | ▶ Add |
| 23 | 379639 | Indicator Switch no longer available — call for a replacement | 1 | |
| 329218X | Indicator Switch Service Kit ("V" Option) | 1 | ▶ Add | |
| 24 | 35-P-8 | Shifter Cover Gasket | 1 | ▶ Add |
| 25 | 378430-10 | Screw, hex head (.312-18 x 1.000") | 2 | ▶ Add |
| 26 | 378430-18 | Screw, hex head (.312-18 x 2.000") | 2 | ▶ Add |
| 328948-6X | Gasket & Installation Instructions | 1 | ▶ Add | |
| 28 | 500007-24 | Woodruff Key | 1 | ▶ Add |
| 378414 | Pressure Protection Valve ("V" Option) | 1 | ▶ Add | |
| 328380X | Cable Control Mounting Parts, "W" Shifter (contains items 29-34) | 1 | ▶ Add | |
| 29 | 50-P-17 | Bracket | 1 | ▶ Add |
| 30 | 50-P-19 | Swivel Bracket | 1 | ▶ Add |
| 31 | 500396-8 | Screw, hex head (.250" 20 x .750") | 1 | ▶ Add |
| 32 | 378326 | Nut, hex (.250" 20) | 1 | ▶ Add |
| 33 | 378019 | Pivot Pin | 1 | ▶ Add |
| 34 | 500568-4 | Set Screw (.250" 20 x .500") | 1 | ▶ Add |
Mounting — manual page 7
| Item | Part number | Description | Qty | Order |
|---|---|---|---|---|
| 329245X | Cable Control Bracket Kit ("C" Shifter) | 1 | ▶ Add | |
| 35 | 378774 | Tablock Washer | 6 | ▶ Add |
| 36 | 379286-21 | Screw, hex head (.375" 16 x 2.250") call to confirm availability | 6 | |
| 49 41 | ||||
| 329167X | E-Z Shift Cover Assembly (Includes Items 83 91) call to confirm availability | |||
| 40 | 34-P-76 | Shift Cover call to confirm availability | 1 | |
| 41 | 32-P-148 | Shifter Fork | 1 | ▶ Add |
| 42 | 329255-12X | E-Z Shift Assembly call to confirm availability | 1 | |
| 43 | 378447-4 | Allen Head Capscrew | 1 | ▶ Add |
| 44 | 28-P-207 | Oil Seal | 1 | ▶ Add |
| 45 | 379639 | Indicator Switch no longer available — call for a replacement | 1 | |
| 46 | 34-P-14 | Gasket call to confirm availability | 1 | |
| 47 | 65-P-23 | Shifter Shaft Cover | 1 | ▶ Add |
| 48 | 378430-4 | Hex Capscrew (.312-18 x .500") | 4 | ▶ Add |
| 49 | 378430-8 | Hex Capscrew (.312-18 x .750") | 4 | ▶ Add |
| 50 | 35-P-8 | Gasket, Shifter Cover | 1 | ▶ Add |
Parts list (page 9) — manual page 9
| Item | Part number | Description | Qty | Order |
|---|---|---|---|---|
| 328851X | Air Shift Cover Assembly (contains items 37-50) no longer available — call for a replacement | 1 | ||
| 51 | 34-P-76 | Shifter cover call to confirm availability | 1 | |
| 52 | 28-P-207 | Oil seal | 1 | ▶ Add |
| 53 | 11-P-112 | Shifter shaft | 1 | ▶ Add |
| 54 | 32-P-148 | Shifter fork | 1 | ▶ Add |
| 55 | 378447-4 | Screw, hex socket (.312" 18 x .750") | 3 | ▶ Add |
| 56 | 35-P-14 | Cylinder cap gasket | 2 | ▶ Add |
| 57 | 37-P-25 | Return spring | 1 | ▶ Add |
| 58 | 378462 | Return spring washer | 1 | ▶ Add |
| 59 | 378908 | Screw, button head no longer available — call for a replacement | 1 | |
| 60 | 28-P-256 | O-Ring | 2 | ▶ Add |
| 61 | 66-P-22 | Piston | 1 | ▶ Add |
| 62 | 65-P-14 | Cylinder cap gasket | 1 | ▶ Add |
| 63 | 379231 | Pipe plug (.125" 27 NPT) | 1 | ▶ Add |
| 64 | 378639 | Indicator Switch call to confirm availability | 1 | |
| 65 | 378430-8 | Screw, hex head (Eslock .312" 18 x .750") | 4 | ▶ Add |
Parts list (page 10) — manual page 10
| Item | Part number | Description | Qty | Order |
|---|---|---|---|---|
| 328751-1X | Installation Kit | ▶ Add | ||
| 328850X | Lever Control Cover Assembly (contains items listed below) no longer available — call for a replacement | 1 | ||
| 66 | 34-P-87 | Shifter Cover call to confirm availability | 1 | |
| 67 | 28-P-207 | Oil Seal | 2 | ▶ Add |
| 68 | 11-P-112 | Shifter Shaft | 1 | ▶ Add |
| 69 | 32-P-148 | Shifter Fork | 1 | ▶ Add |
| 70 | 378447-4 | Screw, hex socket (.312" 18 x .750") | 1 | ▶ Add |
| 71 | 378002 | Shifter Poppet | 1 | ▶ Add |
| 72 | 37-P-41 | Poppet Spring | 1 | ▶ Add |
| 73 | 378554 | Spring Cap | 1 | ▶ Add |
| 74 | 500381-3 | Jam Nut | 1 | ▶ Add |
| 75 | 36-P-1 | Eye Bolt | 1 | ▶ Add |
| 76 | 378639 | Indicator Switch call to confirm availability | 1 | |
| 77 | 378430-8 | Screw, hex socket (.312" 18 x .750") | 4 | ▶ Add |
Parts list (page 12) — manual page 12
Parts list (page 14) — manual page 14
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.
Not sure exactly which unit you have? Check our identification guides, or Ask an Expert — send us photos of your data tag and our drivetrain specialists will identify the unit and the exact parts you need. Or call (877) 776-4600.