Chelsea PTO 863 Series Parts Manual
Exploded View 1 Assembly “Lg” Self Lube 3 Assembly Arrangements 4 Model Number Designation 4 Specifications 5
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 1P134 | Housing | 1 | $3,935.38 | Add to Cart | |
| 2 | 32P122 | Shifter Fork | 1 | $374.39 | Add to Cart | |
| 3 | 11P137 | Shifter Shaft | 1 | $250.60 | Add to Cart | |
| 4 | 378916 | Screw, Hex Head (.375" 24 X 1 .375" With Patch) | 1 | $6.67 | Add to Cart | |
| 5 | 28P218 | Oil Seal | 2 | $17.97 | Add to Cart | |
| 6 | 378002 | Shifter Ball | 2 | $1.63 | Add to Cart | |
| 7 | 37P51 | Shifter Spring | 2 | $6.06 | Add to Cart | |
| 8 | 38P8 | Spring Cap (.50"-20) | 2 | $64.83 | Add to Cart | |
| 9 | 5003813 | Jam Nut, Hex Head (.375" -24) | 1 | $1.10 | Add to Cart | |
| 10 | 36P1 | Eye Bolt (.375" -24) | 1 | $56.02 | Add to Cart | |
| 2P312 | Gear, Output | 1 | $1,159.54 | Add to Cart | ||
| 12 | 3P359 | Drive Shaft, Output | 1 | $1,038.08 | Add to Cart | |
| 3P867 | Drive Shaft (self Lube “lg”) | $221.03 | Add to Cart | |||
| 13 | 560945 | Bearing Cone | 2 | $201.25 | Add to Cart | |
| 14 | 560946 | Bearing Cup | 2 | $48.05 | Add to Cart | |
| 15 | 55P61 | Plastic Shim (.003") | A.R. | $5.31 | Add to Cart | |
| 55P62 | Plastic Shim (.010") | A.R. | $7.95 | Add to Cart | ||
| 16 | 55P19 | Shim Gasket | 2 | $12.09 | Add to Cart | |
| 17A | 329105X | Lube Pump & Bearing Cap Assy (“lg”) Page 3 | 1 or | $376.41 | Add to Cart | |
| 17 | 21P66 | Bearing Cap, Closed End | 1 | $250.24 | Add to Cart | |
| 18 | 37843314 | Screw, Hex Head (.50"-13 X 1 .5") | 8 | $3.89 | Add to Cart | |
| 19 | 21P65 | Bearing Cap, Output | 1 | $358.46 | Add to Cart | |
| 20 | 28P211 | Oil Seal | 1 | $35.18 | Add to Cart | |
| 21 | 313431 | Companion Flange, 1410 Series | 1 | — | Call for availability | |
| 22 | 378382 | Nut, Hex Head | 1 | $60.21 | Add to Cart | |
| 23 | 33P53 | Gear, Reverse Idler | 1 | $1,803.75 | Add to Cart | |
| 3283681X | Reverse Idler Needle Bearing Service Kit (contains Items 24-26) | 1 | $295.30 | Add to Cart | ||
| 24 | 14P28 | Needle Bearing Spacer, Reverse Idler | 1 | $37.64 | Add to Cart | |
| 25 | 378389 | Needle Bearing (two Sets, 24 Per Set) | 48 | $2.68 | Add to Cart | |
| 26 | 4P50 | Spacer | 2 | $71.02 | Add to Cart | |
| 27 | 9P30 | Shaft, Reverse Idler | 1 | $566.51 | Add to Cart | |
| 9P73 | Shaft, Reverse Idler (self Lube “lg”) | $276.89 | Add to Cart | |||
| 28 | 28P247 | O-ring (1 .25" Outside Diameter) | 1 | $7.16 | Add to Cart | |
| 29 | 5001323 | Oil Plug (.125"-27) | 1 | — | Call for availability | |
| 30 | 28P241 | O-ring (1 .5" Outside Diameter) | 1 | $9.14 | Add to Cart | |
| 328368X | Input Needle Bearing Service Kit (contains Items 32-33) | 1 | $185.13 | Add to Cart | ||
| 32 | 14P27 | Needle Bearing Spacer, Input | 1 | $20.82 | Add to Cart | |
| 33 | 378389 | Needle Bearing (two Sets, 21 Per Set) | 42 | $2.68 | Add to Cart | |
| 32867810X | Input Shaft Thrust Bearing Service Kit (contains Items 34-36) | 1 | $245.40 | Add to Cart | ||
| 34 | 378769 | Thrust Bearing Washer | 2 | $148.20 | Add to Cart | |
| 35 | 14P51 | Needle Bearing Spacer, Input | 2 | $24.06 | Add to Cart | |
| 36 | 31P55 | Thrust Race | 3 | $35.99 | Add to Cart | |
| 37 | 9P28 | Shaft, Input | 1 | $182.34 | Add to Cart | |
| 9P77 | Shaft, Input (self Lube “lg”) | — | No longer available — call for replacement | |||
| 38 | 28P240 | O-ring (1 .125" Outside Diameter) | 1 | $5.99 | Add to Cart | |
| 39 | 28P239 | O-ring (1 .3125" Outside Diameter) | 1 | $6.64 | Add to Cart | |
| 40 | 27P9 | Retainer Plate | 2 | $3.19 | Add to Cart | |
| 41 | 3784308 | Screw, Hex Head (.3125" 18 X .75") | 2 | $2.06 | Add to Cart | |
| 42 | 35P59 | Cover Gasket (.032") | 1 | $12.57 | Add to Cart | |
| 43 | 34P124 | Cover | 1 | $180.05 | Add to Cart | |
| 44 | 37843110 | Screw, Hex Head (.375"-16 X .1 .00") Loose Parts | 6 | $3.52 | Add to Cart | |
| 45 | 3289488X | 8 Bolt Gasket & Installation Instructions | 1 | $22.26 | Add to Cart | |
| 35P152 | Gasket, Housing (.020") P.t.o. Mounting Stud Kit | A.R. | $3.52 | Add to Cart | ||
| 3281708X | Mounting Stud Kit Required | 1 | $57.14 | Add to Cart | ||
| 65 | 329092X | Pressure Lube Hose Ass'y 15" (ship Loose) | 1 | $92.32 | Add to Cart | |
| 66 | 329109X | Pressure Lube Hose Ass'y 12" (ship Loose) | 1 | — | No longer available — call for replacement | |
| 67 | 379231 | Oil Plug (.125" -27 Nptf) | 2 | $1.50 | Add to Cart | |
| 69 | 5007501 | Street Tree (.125" -27 Nptf) (ship Loose) | 1 | $4.86 | Add to Cart |
863 Chart
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 5P508 | 863*AB — 863 Series 27, 18, Spur | $1,065.01 | Add to Cart | |||
| 5P285 | 863*BAH — 863 Series 32, 18, Spur | $1,390.80 | Add to Cart | |||
| 5P223 | 863*BAK — 863 Series 32, 18, Spur | $1,613.98 | Add to Cart | |||
| 5P236 | 863*BAR — 863 Series 2 9, 18, Left Hand | — | Call for availability | |||
| 5P422 | 863*BBG — 863 Series 33, 18, Left Hand | — | Call for availability | |||
| 5P498 | 863*CR — 863 Series 26, 18, Left Hand | — | Call for availability | |||
| 5P636 | 863*DA — 863 Series 35, 18, Spur | $1,615.22 | Add to Cart |
Offer Of Sale
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price |
|---|
No parts match that search — try the part number with no dashes.
This is the complete factory parts breakdown for the Chelsea PTO 863 — every part in the manual, matched to our live inventory. We stock 58 of the 65 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.
This Chelsea Illustrated Parts List covering the 863 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 863 |
| PTO type | Chelsea 800 Series |
| Document | Illustrated Parts List (Chelsea) |
| Length | 13 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.