Chelsea PTO 812 Series Parts Manual
Model Number Designation
| Item | Part No. | Description | Qty | Notes | Price |
|---|
Shift Options
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 328715X | Shift Installation Kit, 12V (includes Items 55 Thru 73) | $702.03 | Add to Cart | |||
| 328749X | Shift Installation Kit, 24V (includes Items 55 Thru 73) | $702.03 | Add to Cart | |||
| 55 | 3791931 | Solenoid Valve, 12V For 328715X Kit | $473.29 | Add to Cart | ||
| 3791932 | Solenoid Valve, 24 V For 3287 49X Kit | $456.04 | Add to Cart | |||
| 56 | 37925414 | Black Wire With Two Ring Connectors | $8.68 | Add to Cart | ||
| 57 | 37925413 | Blue Wire With One Ring Connector | $11.68 | Add to Cart | ||
| 58 | 3792543 | Green Wire With One Butt Connector | $10.74 | Add to Cart | ||
| 328963X | Parts Bag 12V Kit (328715X) (includes Items 59 Thru 73) | $177.52 | Add to Cart | |||
| 328964X | Parts Bag 24V Kit (328749X) (includes Items 59 Thru 73) | $177.52 | Add to Cart | |||
| 59 | 379547 | Pressure Switch | — | No longer available — call for replacement | ||
| 60 | 378881 | Rocker Switch | $111.97 | Add to Cart | ||
| 61 | 378884 | Fuse Holder, 9 Amp | $5.99 | Add to Cart | ||
| 62 | 379449 | Screened Adaptor (.125"-18 Npt} | $13.18 | Add to Cart | ||
| 63 | 378966 | Screened Street Tee | $30.15 | Add to Cart | ||
| 64 | 379336 | Bracket | $10.11 | Add to Cart | ||
| 65 | 378978 | Indicator Light, 12V (kits 328963X & 328715X} | $25.82 | Add to Cart | ||
| 379005 | Indicator Light, 24V (kits 328964X & 328749X) | — | No longer available — call for replacement | |||
| 66 | 379253 | Ring Connector. | 2 | $3.11 | Add to Cart | |
| 379061 | Wire Ties | 6 | $1.46 | Add to Cart | ||
| 67 | 379257 | Splice Connector | $2.91 | Add to Cart | ||
| 68 | 379258 | Solenoid Mounting Bracket | $5.11 | Add to Cart | ||
| 69 | 5003577 | Lock Washer. | 2 | $1.07 | Add to Cart | |
| 70 | 5004576 | Mounting Screw (.190"-32 X .438") | 2 | $1.12 | Add to Cart | |
| 71 | 379306 | Fork Connector. | 3 | $2.50 | Add to Cart | |
| 72 | 379252 | Butt Connector | $2.30 | Add to Cart | ||
| 73 | 379280 | Adaptor Fitting | 2 | $7.49 | Add to Cart |
Additional Parts Listed in This Manual
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 328112X | Spider Gear Ass'y | 1 | $2,947.20 | Add to Cart | ||
| 2-P-266 | Spider Gear | 1 | $2,947.20 | Add to Cart | ||
| 378267 | Retaining Ring | 1 | $13.79 | Add to Cart | ||
| 328113X | Spider Gear Hub Ass'y | 1 | $831.06 | Add to Cart | ||
| 328115X | Spider Gear Ass'y | 1 | $2,908.83 | Add to Cart | ||
| 2-P-265 | Spider Gear | 1 | $2,908.83 | Add to Cart | ||
| 328116X | Spider Gear Ass'y | 1 | $2,452.92 | Add to Cart | ||
| 2-P-264 | Spider Gear | 1 | $1,279.11 | Add to Cart | ||
| 3-P-756 | Output Shaft | $1,305.68 | Add to Cart | |||
| 39-P-136 | Cover Plate | 1 | — | Call for availability | ||
| 329365X | Hose Kit (must Order Separately) Pto Request Wire/pin Is Dependant On Transmission Location Code. For Assistance, - D) ::!' | $321.77 | Add to Cart | |||
| 329336-1X | J1-6 Feed Back Kit Contact Local Allison Representative Contact Allison M' 0 0 3 Ji, _ I | $36.89 | Add to Cart | |||
| 379686-1 | (12 Volt) | $473.29 | Add to Cart | |||
| 379686-2 | (24 Volt} | $466.27 | Add to Cart | |||
| 329087X | 378881 | $72.55 | Add to Cart | |||
| 378054 | Dowel Pin (.438" X 1.000") | 2 | $4.88 | Add to Cart | ||
| 379424-21 | Mounting Stud | $5.84 | Add to Cart | |||
| 379794 | 11/16" Hex Head Flange Nut (.438"-20) | 8 | — | Call for availability | ||
| 328946X | Caution Label Kit | 1 | — | No longer available — call for replacement | ||
| 379085-2 | Instructions Label | $4.02 | Add to Cart | |||
| 379624 | Product Warranty Card | $3.72 | Add to Cart |
This is the complete factory parts breakdown for the Chelsea PTO 812 — every part in the manual, matched to our live inventory. We stock 42 of the 47 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 812 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 812 |
| PTO type | Chelsea 800 Series |
| Document | Illustrated Parts List (Chelsea) |
| Length | 21 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.