Chelsea PTO 800 Series Parts Manual
Model Number Designation
| Item | Part No. | Description | Qty | Notes | Price |
|---|
Power Take-Offs Bill of Materials 800 Series
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 1P331 | Housing P.t.o. | 1 | — | Call for availability | |
| 2 | 2P477 | Gear, Output Clutch | 1 | — | Call for availability | |
| 3 | 2P458 | Gear, Inner Clutch | 1 | $186.14 | Add to Cart | |
| 4 | 379485 | Disc, Friction | 8 | $14.45 | Add to Cart | |
| 5 | 379595 | Plate, Clutch | 7 | $14.47 | Add to Cart | |
| 6 | 37P39 | Spring Clutch | 1 | $6.55 | Add to Cart | |
| 3291791X | Piston And Back-up Cylinder Sub Assembly | $268.17 | Add to Cart | |||
| 7 | 3800571 | Piston | 1 | $85.93 | Add to Cart | |
| 9 | 28P178 | Ring Block Vee | 1 | $41.94 | Add to Cart | |
| 10 | 3793231 | Cylinder, Clutch Back-up | 1 | $102.10 | Add to Cart | |
| 3P814 | Shaft, Drive (xc Output) Ass’y 3 | 1 | — | Call for availability | ||
| 12 | 379062 | Ring Retainer. | 1 | $40.03 | Add to Cart | |
| 14 | 560918 | Bearing Roller. | 1 | $58.36 | Add to Cart | |
| 15 | 28P244 | O-ring | 2 | $5.03 | Add to Cart | |
| 16 | 31P87 | Washer, Thrust (ass’y 3) | 1 | — | Call for availability | |
| 31P74 | Washer, Thrust (ass’y 4) | 1 | $52.17 | Add to Cart | ||
| 378098 | Lockring (ass’y 4) | 1 | — | No longer available — call for replacement | ||
| 17 | 550010 | Bearing Ball | 1 | $47.93 | Add to Cart | |
| 18 | 21P346 | Cap, Bearing | 1 | — | Call for availability | |
| 19 | 28P119 | Seal Oil | 1 | $26.61 | Add to Cart | |
| 20 | 378811 | Back-up Plate, Oil Seal | 1 | $5.21 | Add to Cart | |
| 21 | 378849 | Ring Retainer. | 1 | $2.12 | Add to Cart | |
| 22 | 28P246 | O-ring | 1 | $95.87 | Add to Cart | |
| 23 | 37843010 | Screw, Hex Head Cap (.321 " -18 X .750") | 4 | $1.76 | Add to Cart | |
| 24 | 4P116 | Spacer (ass’y 3) | 1 | — | Call for availability | |
| 25 | 560929 | Bearing Ball | 1 | — | Call for availability | |
| 26 | 378391 | Ring Retainer. | 1 | $2.47 | Add to Cart | |
| 27 | 378402 | Ring Retainer. | 1 | $11.19 | Add to Cart | |
| 28 | 28P228 | Seal Oil | 1 | $80.60 | Add to Cart | |
| 29 | 50000729 | Key, Woodruff (xc Output) | 1 | $3.11 | Add to Cart | |
| 30 | 35P8 | Gasket, Cover Plate. | 1 | $3.48 | Add to Cart | |
| 31 | 34P105 | Plate, Cover | 1 | — | Call for availability | |
| 32 | 3784308 | Screw, Hex Head Cap (.321 " -18 X .750") | 4 | $2.06 | Add to Cart | |
| 33 | 68P2 | Plate, Name | 1 | $2.65 | Add to Cart | |
| 34 | 378422 | Screw, Drive | 2 | $11.52 | Add to Cart | |
| 328170113X | Mounting Stud Kit | 1 | $54.70 | Add to Cart | ||
| 35 | 378054 | Pin Dowel (.438" X 1 ") | 2 | $4.88 | Add to Cart | |
| 36 | 37942421 | Stud (.438"-14 & .438"-20 X 2 .250") | 4 | $5.84 | Add to Cart | |
| 37 | 50035712 | Washer, (.438" Lock) | 4 | $1.05 | Add to Cart | |
| 38 | 379745 | Flange Nut | 4 | $2.34 | Add to Cart | |
| 39 | 37843229 | Capscrew (.438"-14 X 3.750") | 2 | — | No longer available — call for replacement | |
| 40 | 37843232 | Capscrew (.438"-14 X 4.500") | 2 | — | No longer available — call for replacement | |
| 3289488X | Gasket & Installation Kit | 1 | $22.26 | Add to Cart | ||
| 41 | 35P151 | Gasket, Mounting (.010) | .AR | $3.00 | Add to Cart | |
| 35P152 | Gasket, Mounting (.020) | .AR | $3.52 | Add to Cart | ||
| 42 | 379327 | Speed Sensor W/ E .o.c. | 1 | — | Call for availability | |
| 43 | 28P171 | O-ring W/ E .o.c. | 1 | $4.88 | Add to Cart | |
| 44 | 379242 | O-ring Boss Plug W/ E .o.c. | 1 | $22.23 | Add to Cart | |
| 379242 | O-ring Boss Plug W/o E .o.c. | 2 | $22.23 | Add to Cart | ||
| 45 | 379231 | Pipe Plug (.125"-27 W/ E .o.c.) | 1 | $1.50 | Add to Cart | |
| 379231 | Pipe Plug (.125"-27 W/o E .o.c.) | 2 | $1.50 | Add to Cart | ||
| 32892412X | Control Box, Speed Limiter (12v) | .1 or | $1,358.05 | Add to Cart | ||
| 32892424X | Control Box, Speed Limiter (24v) | 1 | — | Call for availability | ||
| 32892912X | Electric Shift Installation Kit 12v W/ E .o.c. (“k”) | .1 or | $626.67 | Add to Cart | ||
| 32892924X | Electric Shift Installation Kit 24v W/ E .o.c. (“l”) | .1 or | $485.96 | Add to Cart | ||
| 328715X | Electric Shift Installation Kit 12v Low Pressure, Allison (“b”) | .1 or | $702.03 | Add to Cart | ||
| 328749X | Electric Shift Installation Kit 24v Low Pressure, Allison (“d”) | 1 | $702.03 | Add to Cart | ||
| 328075X | Pressure Lube Hose Loose Parts | 1 | $150.56 | Add to Cart | ||
| 32867811X | Shaft & Retaining Ring Service Kit (ass’y 3) | 1 | — | Call for availability |
Power Take-Offs Shift Installation 800 Series Shift Installation Kits
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 328715X | 12V Shift Installation Kit. (includes Items 54 Thru 72) | 1 | $702.03 | Add to Cart | ||
| 328749X | 24V Shift Installation Kit. (includes Items 54 Thru 72) | 1 | $702.03 | Add to Cart | ||
| 54 | 3796861 | Solenoid Valve, 12 Volt For 328715X Kit. | 1 | $473.29 | Add to Cart | |
| 3796862 | Solenoid Valve, 24 Volt For 328749X Kit. | 1 | $466.27 | Add to Cart | ||
| 55 | 37925414 | Wire, Black W/two Ring Connectors | 1 | $8.68 | Add to Cart | |
| 56 | 37925413 | Wire, Blue W/one Ring Connector. | 1 | $11.68 | Add to Cart | |
| 57 | 3792543 | Wire, Green W/one Butt Connector | 1 | $10.74 | Add to Cart | |
| 328963X | Parts Bag 12 Volt Kit (328715X) | 1 | $177.52 | Add to Cart | ||
| 328964X | Parts Bag 24 Volt Kit (328749X) | 1 | $177.52 | Add to Cart | ||
| 58 | 379547 | Pressure Switch | 1 | — | No longer available — call for replacement | |
| 59 | 378881 | Rocker Switch | 1 | $111.97 | Add to Cart | |
| 60 | 379900 | Fuse Holder, 10 Amp | 1 | $5.99 | Add to Cart | |
| 61 | 379449 | Screened Adaptor, 1/4-18 NPT | 1 | $13.18 | Add to Cart | |
| 62 | 378966 | Street Tee, Screened | 1 | $30.15 | Add to Cart | |
| 63 | 379336 | Bracket | 1 | $10.11 | Add to Cart | |
| 64 | 378978 | Indicator Light, 12V (kits 328963X & 328715X) | 1 | $25.82 | Add to Cart | |
| 379005 | Indicator Light, 24V (kits 328964X & 328749X) | 1 | — | No longer available — call for replacement | ||
| 65 | 379253 | Ring Connector | 2 | $3.11 | Add to Cart | |
| 379061 | Wire Ties | 6 | $1.46 | Add to Cart | ||
| 66 | 379257 | Splice Connector | 1 | $2.91 | Add to Cart | |
| 67 | 379258 | Bracket, Solenoid Mounting | 1 | $5.11 | Add to Cart | |
| 68 | 5003577 | Lock Washer (.188" I .d.) | 2 | $1.07 | Add to Cart | |
| 69 | 5004576 | Screw, Mounting (.190"-32 X .438") | 2 | $1.12 | Add to Cart | |
| 70 | 379306 | Fork Connector. | 3 | $2.50 | Add to Cart | |
| 71 | 379252 | Butt Connector | 1 | $2.30 | Add to Cart | |
| 72 | 379280 | Adaptor Fitting 3 Chelsea Chelsea Products Products Division Division Ms | 2 | $7.49 | Add to Cart |
Electronic Overspeed Control
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 32892412X | 12V E .o.c. (includes Items 73 Thru 78) | 1 | $1,358.05 | Add to Cart | ||
| 32892424X | 24V E .o.c. (includes Items 73 Thru 78) | 1 | — | Call for availability | ||
| 73 | 32892212X | Control Box E .o.c. 12 Volt | 1 | — | Call for availability | |
| 32892224X | Control Box E .o.c. 24 Volt | 1 | — | Call for availability | ||
| 74 | 379244 | Bracket, E .o.c. Mounting | 1 | — | Call for availability | |
| 75 | 32892310X | Connector Cable, 10 Ft. Standard | 1 | — | No longer available — call for replacement | |
| 3289235X | Connector Cable, 5 Ft. Optional | 1 | — | No longer available — call for replacement | ||
| 328931X | Mounting Parts, E .o.c. Bracket | 1 | $3.54 | Add to Cart | ||
| 76 | 5004489 | Screw (10-20) | 4 | $1.05 | Add to Cart | |
| 77 | 5003577 | Lockwasher | 4 | $1.07 | Add to Cart | |
| 78 | 5003766 | Nut (10-24) | 4 | — | No longer available — call for replacement | |
| 32892912X | 12V E .o.c. Installation Kit (includes Items 79 Thru 92) | 1 | $626.67 | Add to Cart | ||
| 32892924X | 24V E .o.c. Installation Kit (includes Items 79 Thru 92) | 1 | $485.96 | Add to Cart | ||
| 79 | 3796861 | Solenoid Valve, 12V (for 328929-12X) | 1 | $473.29 | Add to Cart | |
| 3796862 | Solenoid Valve, 24V (for 328929-24X) | 1 | $466.27 | Add to Cart | ||
| 80 | 379547 | Pressure Switch | 1 | — | No longer available — call for replacement | |
| 81 | 379449 | Screen Adaptor (1/4-18 Npt) | 1 | $13.18 | Add to Cart | |
| 82 | 378966 | Street Tee, Screened | 1 | $30.15 | Add to Cart | |
| 83 | 379253 | Ring Connector | 1 | $3.11 | Add to Cart | |
| 84 | 37925414 | Wire, Black W/two Ring Connectors | 1 | $8.68 | Add to Cart | |
| 85 | 37925413 | Wire, Blue W/one Ring Connector. | 1 | $11.68 | Add to Cart | |
| 86 | 3792543 | Wire, Green W/one Butt Connector | 1 | $10.74 | Add to Cart | |
| 87 | 379257 | Splice Connector | 1 | $2.91 | Add to Cart | |
| 88 | 379258 | Bracket, Solenoid Mounting | 1 | $5.11 | Add to Cart | |
| 89 | 5003577 | Lockwasher (.188" Id) | 2 | $1.07 | Add to Cart | |
| 90 | 5004576 | Screw, Mounting (.190"-32 X .438") | 2 | $1.12 | Add to Cart | |
| 91 | 379265 | Grommet | 1 | $3.21 | Add to Cart | |
| 92 | 379280 | Adaptor Fitting 4 Chelsea Chelsea Products Products Division Division Ms | 2 | $7.49 | Add to Cart |
Additional Parts Listed in This Manual
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 3-P-727 | Xc 4 500007-29 None | — | Call for availability | |||
| 3-P-813 | Xz 3 379111 379214 | — | Call for availability | |||
| 3-P-796 | Xz 4 379111 379214 | — | Call for availability |
This is the complete factory parts breakdown for the Chelsea PTO 800 — every part in the manual, matched to our live inventory. We stock 89 of the 116 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 800 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 800 |
| PTO type | Chelsea 800 Series |
| Document | Illustrated Parts List (Chelsea) |
| Length | 12 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.