Chelsea PTO 912 Series Parts Manual
Power Take-Off Bill of Materials 912 Series
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 1P484 | Housing (912 Series) | 1 | $3,464.54 | Add to Cart | |
| 2 | 2P710 | P.t.o. Drive Gear | 1 | $1,509.55 | Add to Cart | |
| 3 | 3P848 | Drive Shaft, Input | 1 | $1,532.73 | Add to Cart | |
| 4 | 4P87 | Spacer, Bearing | 1 | $76.05 | Add to Cart | |
| 5 | 21P513 | Bearing Retainer, Input | 1 | $547.17 | Add to Cart | |
| 6 | 22P45 | Gasket | 2 | $14.80 | Add to Cart | |
| 7 | 28P237 | Oil Seal | 1 | $58.26 | Add to Cart | |
| 9 | 34P53 | Cover Plate | 2 | $113.88 | Add to Cart | |
| 10 | 35P152 | Gasket, Cover (.020" Thick) | 2 | $3.52 | Add to Cart | |
| 35P32 | Gasket, Cover Plate (.094" Thick) | 1 | $17.59 | Add to Cart | ||
| 12 | 57P11 | Sliding Clutch | 1 | $1,465.02 | Add to Cart | |
| 13 | 68P2 | Name Plate | 1 | $2.65 | Add to Cart | |
| 329063X | Air Shift Cover Assembly, 912 Series | 1 | $2,715.62 | Add to Cart | ||
| 16 | 28P114 | O-ring | 1 | $11.53 | Add to Cart | |
| 17 | 28P115 | O-ring | 1 | $26.61 | Add to Cart | |
| 18 | 32P164 | Shifter Fork | 1 | $638.83 | Add to Cart | |
| 19 | 34P109 | Shifter Cover | 1 | $1,475.53 | Add to Cart | |
| 20 | 35P30 | Gasket | 2 | $6.31 | Add to Cart | |
| 21 | 65P13 | Cyl Air Shift | 1 | $145.94 | Add to Cart | |
| 329064X | Shifter Shaft Sub Assembly | 1 | $543.87 | Add to Cart | ||
| 23 | 11P148 | Shifter Shaft | 1 | — | Call for availability | |
| 24 | 66P8 | Piston | 1 | — | Call for availability | |
| 25 | 37843126 | Cap Screw, Hex Head | 2 | $9.26 | Add to Cart | |
| 26 | 378473 | Plug Housing | 1 | $240.26 | Add to Cart | |
| 27 | 378513 | Breather | 1 | $13.51 | Add to Cart | |
| 28 | 378838 | Cylinder Cap | 1 | $192.54 | Add to Cart | |
| 29 | 379652 | Indicator Switch | 1 | $40.79 | Add to Cart | |
| 30 | 379374 | Capscrew, Socket Head | 2 | $23.99 | Add to Cart | |
| 31 | 5008973 | Shipping Plug | 2 | — | No longer available — call for replacement | |
| 32 | 37843211 | Cap Screw, Hex Head (.438"-14 X 1 .125") W/patch | 6 | $7.18 | Add to Cart | |
| 33 | 37843226 | Cap Screw, Hex Head (.438"-14 X 3.00") W/patch | 2 | $16.63 | Add to Cart | |
| 329065X | Tail Shaft Sub Assembly (items 35-55) (ref. 3.750" Dia. Hub) | 1 | $3,844.62 | Add to Cart | ||
| 329098X | Tail Shaft Sub Assembly, No Speedo (items 35-55, Less Items 44 & 45) . . | 1 | $4,007.88 | Add to Cart | ||
| 35 | 3P821 | Output Shaft | 1 | $1,144.87 | Add to Cart | |
| 36 | 4P145 | Spacer, Output Shaft | 1 | $86.92 | Add to Cart | |
| 37 | 21P512 | Bearing Cap Output | 1 | $636.44 | Add to Cart | |
| 378513 | Breather | 1 | $13.51 | Add to Cart | ||
| 39 | 22P85 | Gasket, Output Cap | 1 | $19.24 | Add to Cart | |
| 40 | 28P237 | Oil Seal | 1 | $58.26 | Add to Cart | |
| 41 | 45P7 | Bushing | 1 | $26.00 | Add to Cart | |
| 42 | 54P20 | Bearing Retainer | 1 | $1,808.73 | Add to Cart | |
| 328984X | Bushing Assembly, Speedo | 1 | $183.73 | Add to Cart | ||
| 44 | 28P181 | Seal | 1 | — | Call for availability | |
| 45 | 379337 | Bushing | 1 | — | Call for availability | |
| 46 | 378309 | Gasket Dust Cap | 1 | $5.39 | Add to Cart | |
| 47 | 378357 | Lockring | 1 | $18.98 | Add to Cart | |
| 48 | 378359 | Lockring | 1 | $28.53 | Add to Cart | |
| 49 | 37843312 | Capscrew, Hex Head | 4 | $5.79 | Add to Cart | |
| 50 | 378512 | Dust Cap | 1 | $32.24 | Add to Cart | |
| 51 | 379322 | Gear, Speedo-drive | 1 | — | Call for availability | |
| 52 | 379333 | Gear, Speedo-driven | 1 | $892.52 | Add to Cart | |
| 53 | 379479 | Gasket, Shaft | 1 | $7.38 | Add to Cart | |
| 54 | 550574 | Ball Bearing | 1 | $389.83 | Add to Cart | |
| 55 | 550811 | Roller Bearing | 1 | $237.75 | Add to Cart | |
| 57 | 378116 | Drain Plug | 1 | $168.43 | Add to Cart | |
| 58 | 378117 | Gasket, Copper | 1 | $6.01 | Add to Cart | |
| 59 | 379479 | Gasket, Shaft A.r. As Required — | 1 | $7.38 | Add to Cart | |
| 60 | 378357 | Retaining Ring | 1 | $18.98 | Add to Cart | |
| 61 | 378422 | Drive Screw | 2 | $11.52 | Add to Cart | |
| 62 | 3784329 | Capscrew, Hex Head (.438"-14 X .875") W/patch | 10 | $6.77 | Add to Cart | |
| 64 | 37843312 | Capscrew, Hex Head (.500"-13 X 1 .25") W/patch | 8 | $5.79 | Add to Cart | |
| 65 | 379334 | Oil Level Caution Tag W/wire Tie | 1 | $7.03 | Add to Cart | |
| 67 | 5001143 | Pipe Plug (.500"-14 N .p.t.f) | 1 | — | No longer available — call for replacement | |
| 68 | 550443 | Roller Bearing | 1 | $137.89 | Add to Cart | |
| 69 | 550574 | Ball Bearing End Yoke Options | 1 | $389.83 | Add to Cart | |
| 6469311X | End Yoke & Slinger Ass’y, 1710 Series (1/ Round) | 2 or | $541.96 | Add to Cart | ||
| 71 | 6468211 | Yoke, 1710 Series | 1 | — | Call for availability | |
| 72 | 231616 | Slinger (ref. Spicer No.) | 1 | — | Call for availability | |
| 65435611X | End Yoke & Slinger Ass’y, 1810 Series (1/ Round) | 2 or | — | No longer available — call for replacement | ||
| 74 | 65434911 | Yoke, 1810 Series | 1 | — | Call for availability | |
| 75 | 231616 | Slinger (ref. Spicer No.) | 1 | — | Call for availability | |
| 17045211X | End Yoke & Slinger Ass’y, SPL170 Series (1/ Round) | 2 or | $271.19 | Add to Cart | ||
| 77 | 17045111 | Yoke, SPL170 Series | 1 | — | Call for availability | |
| 78 | 231616 | Slinger (ref. Spicer No.) | 1 | — | Call for availability | |
| 25042411X | End Yoke & Slinger Ass’y, SPL250 Series (1/ Round) | 2 or | $392.67 | Add to Cart | ||
| 79 | 25042311 | Yoke, SPL250 Series | 1 | — | Call for availability | |
| 80 | 231616 | Slinger (ref. Spicer No.) | 1 | — | Call for availability | |
| 516611X | Companion Flange Ass’y | 2 | $1,668.84 | Add to Cart | ||
| 256601 | 1610 Companion Flange | 1 | — | Call for availability | ||
| 231616 | Slinger (ref. Spicer No.) | 1 | — | Call for availability | ||
| 81 | 3287993X | Trunnion Block | 1 | $702.03 | Add to Cart | |
| 82 | 379375 | Capscrew, Hex Head (.500"-20 X 1 .250") W/drylock 200 | 4 | $9.34 | Add to Cart | |
| 83 | 379350 | Washer Lock Plate | 2 | $75.27 | Add to Cart | |
| 84 | 379372 | Protective Shipping Net (red) (“j” Assembly Only) | 2 | $2.32 | Add to Cart | |
| 85 | 378280 | Shipping Cover Loose Parts | 1 | $17.95 | Add to Cart | |
| 32838839X | Installation Kit, Air Shift Service Parts | 1 | — | Call for availability | ||
| 32894810X | Gasket & Installation Instructions | 1 | $50.77 | Add to Cart | ||
| 32835662X | Seal Kit, Air Shift | $321.12 | Add to Cart | |||
| 32835663X | Seal Kit, W/speedometer | $450.68 | Add to Cart | |||
| 32835664X | Seal Kit, W/o Speedometer | $263.44 | Add to Cart | |||
| 32835665X | Seal Kit, Lever Shift A.r. As Required — | $305.50 | Add to Cart |
Mounting Detail 912 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 27198 | 7 .250 { 194 .93} Tr;.jnnion 328799-3X | 1 5} | — | Call for availability |
Model Number Designation 912 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| AT400 | P.t.o. Output Shaft | — | Call for availability | |||
| AT800 | Xx P.t.o. | — | Call for availability | |||
| AT1200 | = Assembly Arrangement 200 Lbs. A = | — | Call for availability |
Additional Parts Listed in This Manual
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1379375 | ) Capscrew | — | Call for availability | |||
| SPL170 | Series | 1 | — | Call for availability | ||
| SPL250 | Series | 1 | — | Call for availability |
This is the complete factory parts breakdown for the Chelsea PTO 912 — every part in the manual, matched to our live inventory. We stock 72 of the 99 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 912 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 912 |
| PTO type | Chelsea 900 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.