Chelsea PTO 100 Series Parts Manual
Model Number Designation
| Item | Part No. | Description | Qty | Notes | Price |
|---|
Power Take-Off Bill of Materials 100 Series
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 3288521X | Housing & Bearing Assembly (contains Items 1 -4) | 1 | $214.09 | Add to Cart | ||
| 1 | 1P393 | Housing | 1 | $216.32 | Add to Cart | |
| 2 | 550895 | Needle Bearing | 1 | $45.99 | Add to Cart | |
| 3 | 550135 | Needle Bearing | 1 | $22.94 | Add to Cart | |
| 4 | 379124 | Lockring | 1 | $2.22 | Add to Cart | |
| 7 | 31P79 | Thrust Washer | 2 | $159.68 | Add to Cart | |
| 328886X | Bearing Replacement Kit (includes Items 7-9) | 1 | $159.68 | Add to Cart | ||
| 8 | 378108 | Ball Bearings (set Of 21) | 1 | $2.40 | Add to Cart | |
| 9 | 378331 | Lockring | 1 | $9.64 | Add to Cart | |
| 10 | 22P69 | Gasket | 1 | $7.85 | Add to Cart | |
| 11 | 378106 | Thrust Plate | 1 | $2.52 | Add to Cart | |
| 12 | 28P226 | Thrust Bearing Cap & Seal | 1 | $70.54 | Add to Cart | |
| 13 | 3784474 | Screw, Socket Head With Patch | 3 | $1.78 | Add to Cart | |
| 3287511X | Installation Kit (cable & Lever) | 1 | $65.59 | Add to Cart | ||
| 3289321X | Cable Control Cover Assembly (assembly 3) (contains Items 14-23) | 1 | $185.76 | Add to Cart | ||
| 3289322X | Cable Control Cover Assembly (assembly 4) (contains Items 14-23) | 1 | $251.51 | Add to Cart | ||
| 329009X | Cable Control Cover Assembly For 100XRELX-W3/4** & 100XRFMX-W3/4** Only | 1 | — | Call for availability | ||
| 14 | 34P102 | Shifter Cover, Standard Unit | 1 | — | No longer available — call for replacement | |
| 34P106 | Shifter Cover, Isuzu 100XRELX-W3/4** & Nissan 100XRFMX-W3/4**Only . | 1 | — | Call for availability | ||
| 15 | 37P19 | Shifter Spring | 1 | $2.04 | Add to Cart | |
| 16 | 63P16 | Poppet | 1 | $9.26 | Add to Cart | |
| 17 | 28P191 | O-ring | 1 | $3.59 | Add to Cart | |
| 18 | 328848X | Shifter Plate Assembly | 1 | — | No longer available — call for replacement | |
| 19 | 378004 | Flat Washer | 1 | $2.01 | Add to Cart | |
| 20 | 51P22 | Shifter Lever | 1 | $12.57 | Add to Cart | |
| 21 | 50035610 | Lock Washer | 1 | $1.53 | Add to Cart | |
| 21A | 50036522 | Flat Washer (incl w/328932-1X, 2X And 329009X) | 1 | $1.05 | Add to Cart | |
| 22 | 5004096 | Screw, Hex Head (.312-24 X .625") | 1 | $1.23 | Add to Cart | |
| 23 | 379639 | Indicator Switch | 1 | $25.03 | Add to Cart | |
| 329218X | Indicator Switch Service Kit (“v” Option) | 1 | $18.40 | Add to Cart | ||
| 24 | 35P8 | Shifter Cover Gasket | 1 | $3.48 | Add to Cart | |
| 25 | 37843010 | Screw, Hex Head (.312-18 X 1 .000") | 2 | $1.76 | Add to Cart | |
| 26 | 37843018 | Screw, Hex Head (.312-18 X 2 .000") | 2 | $1.40 | Add to Cart | |
| 329245X | Shift Bracket Kit (shifter Designator “c” Only) Loose Parts | 1 | $94.08 | Add to Cart | ||
| 3289486X | Gasket & Installation Instructions | 1 | $24.01 | Add to Cart | ||
| 27 | 35P91 | Gasket, Housing (.010") | A.R. | $4.09 | Add to Cart | |
| 35P92 | Gasket, Housing (.020") | A.R. | $4.35 | Add to Cart | ||
| 28 | 50000724 | Woodruff Key | 1 | $1.83 | Add to Cart | |
| 378414 | Pressure Protection Valve (“v” Option) | 1 | $66.97 | Add to Cart | ||
| 32834610X | Cable Control Assembly (“w” Shifter) | 1 | $135.56 | Add to Cart | ||
| 328380X | Cable Control Mounting Parts, “w” Shifter (contains Items 29-34) | 1 | $13.25 | Add to Cart | ||
| 29 | 50P17 | Bracket | 1 | $5.47 | Add to Cart | |
| 30 | 50P19 | Swivel Bracket | 1 | $3.48 | Add to Cart | |
| 31 | 5003968 | Screw, Hex Head (.250" 20 X .750") | 1 | $1.17 | Add to Cart | |
| 32 | 378326 | Nut, Hex (.250" 20) | 1 | $2.22 | Add to Cart | |
| 33 | 378019 | Pivot Pin | 1 | $4.50 | Add to Cart | |
| 34 | 5005684 | Set Screw (.250" 20 X .500") Continued On | 1 | $1.45 | Add to Cart | |
| 80004X | P.t.o. Mounting Kit (contains Items Shown Below) | 1 | $79.46 | Add to Cart | ||
| 35 | 378774 | Tablock Washer | 6 | $2.19 | Add to Cart | |
| 36 | 37928621 | Screw, Hex Head (.375" 16 X 2 .250") | 6 | — | Call for availability | |
| 717082X | P.t.o. Mounting Kit Metric (contains Items Shown Below) | 1 | — | Call for availability | ||
| 37942834 | Stud (M10-105 & .375-24 X 3 .000") | 6 | — | Call for availability | ||
| 379744 | Flange Nut (.375-24) 49 41 50 43 Description Quantity Shift Cover Assembly (includes Items 83 91) - Cover 1 Fork 1 Shift Assembly 1 Head Capscrew 1 1 Switch 1 1 Shaft Cover 1 Capscrew (.312-18 X .500") 4 Capscrew (.312-18 X .750") 4 Shifter Cover 1 | 6 | $1.63 | Add to Cart |
Power Take-Off Air Control 100 Series
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 32838837X | Air Shift Installation Kit (shift Option “a”) | 1 | $367.41 | Add to Cart | ||
| 32838847X | 12V Electric Over Air Installation Kit (shift Option “p”) | 1 | $563.43 | Add to Cart | ||
| 32838848X | 24V Electric Over Air Installation Kit (shift Option “q”) | 1 | $544.19 | Add to Cart | ||
| 32838865X | Air Shift Installation Kit (shift Option “s”) | 1 | $762.60 | Add to Cart | ||
| 329214X | Air Shift Control Valve (shift Option “s” Only) | 1 | $646.87 | Add to Cart | ||
| 328851X | Air Shift Cover Assembly (contains Items 37-50) | 1 | — | No longer available — call for replacement | ||
| 51 | 34P76 | Shifter Cover | 1 | — | Call for availability | |
| 52 | 28P207 | Oil Seal | 1 | $19.83 | Add to Cart | |
| 53 | 11P112 | Shifter Shaft | 1 | $51.93 | Add to Cart | |
| 54 | 32P148 | Shifter Fork | 1 | $128.67 | Add to Cart | |
| 55 | 3784474 | Screw, Hex Socket (.312" 18 X .750") | 3 | $1.78 | Add to Cart | |
| 56 | 35P14 | Cylinder Cap Gasket | 2 | $2.88 | Add to Cart | |
| 57 | 37P25 | Return Spring | 1 | $11.57 | Add to Cart | |
| 58 | 378462 | Return Spring Washer | 1 | $1.61 | Add to Cart | |
| 59 | 378908 | Screw, Button Head | 1 | — | No longer available — call for replacement | |
| 60 | 28P256 | O-ring | 2 | $5.03 | Add to Cart | |
| 61 | 66P22 | Piston | 1 | $9.22 | Add to Cart | |
| 62 | 65P14 | Cylinder Cap Gasket | 1 | $120.90 | Add to Cart | |
| 63 | 379231 | Pipe Plug (.125" 27 Npt) | 1 | $1.50 | Add to Cart | |
| 65P23 | Shifter Shaft Cover | 1 | $20.58 | Add to Cart | ||
| 3784304 | Hex Capscrew (.312-18 X .500") | 2 | $6.00 | Add to Cart | ||
| 68P2 | Name Plate | 1 | $2.65 | Add to Cart | ||
| 378422 | Drive Screw | 2 | $11.52 | Add to Cart | ||
| 3289486X | Gasket & Installation Instructions | 1 | $24.01 | Add to Cart | ||
| 64 | 378639 | Indicator Switch | 1 | — | Call for availability | |
| 65 | 3784308 | Screw, Hex Head (eslock .312" 18 X .750") Part Number 328390-85X 328390-86X | 4 | $2.06 | Add to Cart |
Power Take-Off Lever Control 100 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 3287511X | Installation Kit | 1 | $65.59 | Add to Cart | ||
| 328850X | Lever Control Cover Assembly (contains Items Listed Below) | 1 | — | No longer available — call for replacement | ||
| 66 | 34P87 | Shifter Cover | 1 | — | Call for availability | |
| 67 | 28P207 | Oil Seal | 2 | $19.83 | Add to Cart | |
| 68 | 11P112 | Shifter Shaft | 1 | $51.93 | Add to Cart | |
| 69 | 32P148 | Shifter Fork | 1 | $128.67 | Add to Cart | |
| 70 | 3784474 | Screw, Hex Socket (.312" 18 X .750") | 1 | $1.78 | Add to Cart | |
| 71 | 378002 | Shifter Poppet | 1 | $1.63 | Add to Cart | |
| 72 | 37P41 | Poppet Spring | 1 | $4.45 | Add to Cart | |
| 73 | 378554 | Spring Cap | 1 | $12.41 | Add to Cart | |
| 74 | 5003813 | Jam Nut | 1 | $1.10 | Add to Cart | |
| 75 | 36P1 | Eye Bolt | 1 | $56.02 | Add to Cart | |
| 76 | 378639 | Indicator Switch | 1 | — | Call for availability | |
| 65P23 | Shifter Shaft Cover | 1 | $20.58 | Add to Cart | ||
| 35P14 | Gasket | 1 | $2.88 | Add to Cart | ||
| 3784304 | Hex Capscrew | 2 | $6.00 | Add to Cart | ||
| 77 | 3784308 | Screw, Hex Socket (.312" 18 X .750") | 4 | $2.06 | Add to Cart |
Power Take-Off
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 2P685LH | Helix 22T 100XRDD 2-P-604 Spur . 100XRDJ 2-P-609 L.h Helix . | 22T | — | Call for availability | ||
| 2P566LH | Helix 22T 100XRDK 2-P-610 L.h Helix . . | 26T | — | Call for availability | ||
| 2P567LH | Helix 23T 100XRDM 2-P-616 L.h Helix . . | 18T | — | Call for availability | ||
| 2P568LH | Helix 19T . | — | Call for availability | |||
| 2P571LH | Helix 24T 100XRDS 2-P-625 L.h Helix . . 100XRDU 2-P-633 L.h Helix . | 28T | — | Call for availability | ||
| 2P572RH | Helix 26T 100XREA 2-P-643 L.h Helix . . | 27T | — | Call for availability | ||
| 2P573LH | Helix 26T 100XREC 2-P-648 L.h Helix . . | 38T | — | Call for availability | ||
| 2P574LH | Helix 24T 100XRED 2-P-649 L.h Helix . . | 34T | — | Call for availability | ||
| 2P575RH | Helix 23T . | — | Call for availability | |||
| 2P576LH | Helix 23T 100XREF 2-P-654 L.h Helix . . 100XREL 2-P-678 R.h Helix . | 28T | — | Call for availability | ||
| 2P577LH | Helix 23T 100XRFM 2-P-718 Spur . | 30T | — | Call for availability | ||
| 2P578LH | Helix 27T 100XRFP 2-P-719 L.h Helix . . | 25T | — | Call for availability | ||
| 2P579RH | Helix 27T . | — | Call for availability | |||
| 2P580LH | Helix 27T 100XRGW 2-P-746 R.h Helix . . | 25T | — | Call for availability | ||
| 2P581LH | Helix 28T . | — | Call for availability | |||
| 2P582RH | Helix 28T . | — | Call for availability | |||
| 2P583LH | Helix 28T . | — | Call for availability | |||
| 2P584LH | Helix 26T . | — | Call for availability | |||
| 2P585LH | Helix 26T . On The Transmission The Backlash Between The Power Take-off Gear And The Transmission | gear | — | Call for availability |
Power Take-Off Driveshaft Assemblies 100 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 32828153X | 3-P-528 0 .875 100XRBZ 328281 -63X 3-P-516 | 0 .875 | — | No longer available — call for replacement | ||
| 32828180X | 3-P-831 0 .875 100XRCU 328281 -56X 3-P-532 | 0 .875 | — | No longer available — call for replacement | ||
| 32828154X | 3-P-494 0 .875 100XRDC 328281 -53X 3-P-528 | 0 .875 | — | No longer available — call for replacement | ||
| 32828160X | 3-P-512 0 .875 100XRDD 328281 -53X 3-P-604 | 0 .875 | — | No longer available — call for replacement | ||
| 32828155X | 3-P-504 0 .875 100XRDJ 328281 -63X 3-P-516 | 0 .875 | — | No longer available — call for replacement | ||
| 32828156X | 3-P-532 0 .875 100XRDM 328281 -75X 3-P-801 | 0 .875 | — | No longer available — call for replacement | ||
| 32828157X | 3-P-493 0 .875 100XRDN 328281 -59X 3-P-719 | 0 .875 | — | Call for availability | ||
| 32828158X | 3-P-508 0 .875 100XRDS 328281 -63X 3-P-516 | 0 .875 | — | No longer available — call for replacement | ||
| 32828169X | 3-P-697 0 .875 100XREA 328281 -63X 3-P-516 | 0 .875 | — | Call for availability | ||
| 32828159X | 3-P-719 0 .875 100XREC 328281 -78X 3-P-827 100XRED 328281 -56X 3-P-532 | 0 .875 | — | No longer available — call for replacement | ||
| 32828161X | 3-P-520 0 .875 100XREL 328281 -57X 3-P-493 | 0 .875 | — | No longer available — call for replacement | ||
| 32828162X | 3-P-524 0 .875 100XRGW 328281 -69X 3-P-697 Driveshaft Assembly Shown All Driveshaft Assemblies Consist Of One Driveshaft, One . | 0 .875 | — | Call for availability |
Additional Parts Listed in This Manual
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 329167X | E-z Shift Cover Assembly (includes Items 83 91) | — | Call for availability | |||
| 329255-12X | E-z Shift Assembly | 1 | — | Call for availability | ||
| 34-P-14 | Gasket | 1 | — | Call for availability | ||
| 378978 | 12-VOLT | $25.82 | Add to Cart |
This is the complete factory parts breakdown for the Chelsea PTO 100 — every part in the manual, matched to our live inventory. We stock 83 of the 131 parts above; click any part number to view it, or add it straight to your cart. Click a number on any diagram to jump to that part.
No parts match that search — try the part number with no dashes.
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 — free download |
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
Chelsea parts & units we stock
Pro Gear and Transmission stocks new, remanufactured and good-used parts for Chelsea PTO units:
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.
Browse all Chelsea PTO parts — rebuild kits, seal kits, gears & shift covers — or shop complete Chelsea PTO units.