Chelsea PTO 712 Series Parts Manual
Bill of Materials
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 1P525 | Housing Gearbox (assembly E) | 1 or | — | Call for availability | |
| 1P526 | Housing Gearbox (assembly D) | 1 | — | Call for availability | ||
| 4 | 2P421 | Sliding Gear, (24-T) | 1 | — | Call for availability | |
| 5 | 2P722 | Output Gear, (17-T) | 1 | — | No longer available — call for replacement | |
| 6 | 3P859 | Drive Shaft Std, (1 .250" Dia. Output) | 1 | $265.44 | Add to Cart | |
| 8 | 3P401 | Input Drive Shaft | 1 | — | No longer available — call for replacement | |
| 9 | 4P91 | Drive Shaft Spacer | 2 | — | No longer available — call for replacement | |
| 10 | 5P440 | Idler Gear Cluster, L.c.= 26-T, S.c.= 16-T | 1 | — | No longer available — call for replacement | |
| 12 | 5A250 | Shifter Cover Spacer | 1 | $138.39 | Add to Cart | |
| 13 | 7A1250 | Spacer | 1 | — | Call for availability | |
| 15 | 9P84 | Idler Shaft | 1 | — | No longer available — call for replacement | |
| 16 | 14P41 | Bearing Spacer | 1 | — | Call for availability | |
| 17 | 28P190 | O-ring | 1 | $3.94 | Add to Cart | |
| 18 | 21P197 | Bearing Cap | 2 | — | Call for availability | |
| 19 | 28P242 | O-ring | 1 | — | Call for availability | |
| 21 | 22P241 | Gasket Brg Cap / (.010" Thick) | A/R | $2.30 | Add to Cart | |
| 22P242 | Gasket Brg Cap / (.020" Thick) | A/R | $10.49 | Add to Cart | ||
| 22P243 | Gasket Brg Cap / (.015" Thick) | A/R | $10.49 | Add to Cart | ||
| 24 | 23P56 | Output Gear Spacer | 1 | — | No longer available — call for replacement | |
| 25 | 28P216 | Oil Seal | 3 | $21.40 | Add to Cart | |
| 26 | 31P11 | Washer Idler Gear | 2 | $27.84 | Add to Cart | |
| 27 | 379484 | O-ring Boss Plug | 1 | $6.85 | Add to Cart | |
| 28 | 34P18 | Cover Plate | 1 | — | No longer available — call for replacement | |
| 29 | 379542 | Retainer O-ring | 1 | $4.65 | Add to Cart | |
| 30 | 35P91 | Gasket | 2 | $4.09 | Add to Cart | |
| 32 | 68P2 | Name Plate | 1 | $2.65 | Add to Cart | |
| 328273X | Bearing Cap Sub- Assy/open (includes Items 36 & 37) | 1 | $64.09 | Add to Cart | ||
| 36 | 21P418 | Bearing Cap | 1 | — | Call for availability | |
| 37 | 550221 | Bearing Cup | 1 | $14.19 | Add to Cart | |
| 328274X | Bearing Cap Sub- Assy/closed (includes Items 40 & 41) | 1 | $64.09 | Add to Cart | ||
| 40 | 21P420 | Bearing Cap | 1 | — | Call for availability | |
| 41 | 550221 | Bearing Cup | 1 | $14.19 | Add to Cart | |
| 328436X | Shaft & Bearing Assembly | 1 | — | No longer available — call for replacement | ||
| 44 | 3P539 | Output Drive Shaft | 1 | — | Call for availability | |
| 45 | 550125 | Needle Bearing | 1 | — | No longer available — call for replacement | |
| 46 | 550282 | Needle Bearing | 1 | — | No longer available — call for replacement | |
| 3291491X | Wire Control Shift Cover Sub-assembly (includes Items 50 Thru 61) (ref. Assembly E) | 1 | — | Call for availability | ||
| 50 | 28P191 | O-ring | 1 | $3.59 | Add to Cart | |
| 51 | 34P74 | Shifter Cover | 1 | $44.57 | Add to Cart | |
| 52 | 37P14 | Poppet Spring | 1 | $3.46 | Add to Cart | |
| 53 | 51P13 | Shifter Lever | 1 | $83.49 | Add to Cart | |
| 53 | 3291481 | Shifter Plate Assembly | 1 | — | Call for availability | |
| 56 | 378002 | Ball (.438" Dia.) | 1 | $1.63 | Add to Cart | |
| 57 | 50035610 | Lockwasher | 1 | $1.53 | Add to Cart | |
| 58 | 378004 | Flat Washer | 1 | $2.01 | Add to Cart | |
| 59 | 379639 | Indicator Switch (norm “on”) | 1 | $25.03 | Add to Cart | |
| 60 | 15004096 | Hex Head Cap Screw (.312"-24 X .625") | 1 | — | Call for availability | |
| 61 | 50036522 | Flat Washer | 1 | $1.05 | Add to Cart | |
| 63 | 378391 | Lockring | 1 | $2.47 | Add to Cart | |
| 64 | 378422 | Drivescrew | 2 | $11.52 | Add to Cart | |
| 65 | 37843011 | Hex Head Capscrew (.318"-18 X 1 .25") | 20 | $4.84 | Add to Cart | |
| 67 | 50059716 | Roll Pin (standard Mount) | 1 | $1.18 | Add to Cart | |
| 68 | 378544 | Needle Roller (23 Per Set) | 1 | — | No longer available — call for replacement | |
| 70 | 3791314 | Pipe Reducer Bushing (.500"-14 X .125"-27 N .p.t.f.) | 1 | — | No longer available — call for replacement | |
| 71 | 3792122 | Flat Head Hex Socket Capscrew (.375"-16 X 2 .500" (with Patch)) | 6 | — | No longer available — call for replacement | |
| 72 | 379334 | Oil Level Caution Tag (ship Wired To Unit) | 1 | $7.03 | Add to Cart | |
| 74 | 5001143 | Pipe Plug (.500"-14 N .p.t.f.) | 1 | — | No longer available — call for replacement | |
| 75 | 5001671 | Pressure Relief Fitting | 1 | — | No longer available — call for replacement | |
| 76 | 5003703 | Hex Nut (.375"-16) | 6 | $1.12 | Add to Cart | |
| 79 | 550397 | Tapered Bearing Cone | 1 | $36.75 | Add to Cart | |
| 80 | 550532 | Tapered Bearing Cone | 1 | $36.75 | Add to Cart | |
| 81 | 550671 | Roller Bearing | 2 | — | Call for availability | |
| 83 | 50000729 | Woodruff Key (.312" X 1 .125") Loose Parts Cable Control Assembly | 1 | $3.11 | Add to Cart | |
| 328380X | Wire Control Parts Bag (includes Items 89 Thru 94) | 1 | $13.25 | Add to Cart | ||
| 89 | 50P17 | Bracket | 1 | $5.47 | Add to Cart | |
| 90 | 50P19 | Swivel Bracket | 1 | $3.48 | Add to Cart | |
| 91 | 378019 | Pivot Pin | 1 | $4.50 | Add to Cart | |
| 92 | 378326 | Hex Bushing Nut | $2.22 | Add to Cart | ||
| 93 | 5003968 | Hex Head Screw (.250"-20 X .750") | 1 | $1.17 | Add to Cart | |
| 94 | 5005684 | Square Head Set Screw (.250"-20 X .500") | 1 | $1.45 | Add to Cart | |
| 95 | 378502 | Wire Control Knob | 1 | $14.54 | Add to Cart | |
| 3287511X | Indicator Light Installation Kit | 1 | $65.59 | Add to Cart | ||
| 37844110 | 10 Ft. Wire Cable | 1 | $85.17 | Add to Cart |
This is the complete factory parts breakdown for the Chelsea PTO 712 — every part in the manual, matched to our live inventory. We stock 44 of the 73 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 712 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 712 |
| PTO type | Chelsea 700 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.