Chelsea PTO 870 Series Parts Manual
Model Number Designation
| Item | Part No. | Description | Qty | Notes | Price |
|---|
Parts List Bill of Materials 870 Series
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 1P665 | Housing Machined (“5” Arrangement) | 1 | — | No longer available — call for replacement | |
| 1P667 | Housing Machined (“3” Arrangement) | 1 | $431.74 | Add to Cart | ||
| 2A | 14P821 | Spacer (1 .191 " X 1 .75" X .080") | 1 | $43.74 | Add to Cart | |
| 14P821 | Spacer (1 .191 " X 1 .75" X .080") Thickness As Required | 1 | $43.74 | Add to Cart | ||
| 14P822 | Spacer (1 .191 " X 1 .75" X .085") | 1 | $43.74 | Add to Cart | ||
| 14P823 | Spacer (1 .191 " X 1 .75" X .090") | 1 | $43.74 | Add to Cart | ||
| 2B | 14P824 | Spacer (1 .191 " X 1 .75" X .094") | 1 | $43.74 | Add to Cart | |
| 3 | 22P112 | Gasket | 1 | $20.18 | Add to Cart | |
| 4 | 22P101 | Gasket | 1 | $15.38 | Add to Cart | |
| 5 | 9P99 | Shaft Idler (1 .18") Gear, Ratio. Gear, Input | 1 | $273.42 | Add to Cart | |
| 8 | 380064 | Lockring | 1 | $14.60 | Add to Cart | |
| 9 | 561026 | Bearing Tapered Cone (1 .181 " X .9843") | 2 | $131.13 | Add to Cart | |
| 10 | 28P42 | O-ring (1 .051 " X .070") | 1 | $3.59 | Add to Cart | |
| 3784527 | Set Screw Sh (.250" 20" .500") | 1 | $4.37 | Add to Cart | ||
| 12 | 32946312X | Ass’y Valve Cap 12V (“fj” “ln” Pitch) | 1 | $405.37 | Add to Cart | |
| 32946324X | Ass’y Valve Cap 24V (“fj” “ln” Pitch) | 1 | $433.75 | Add to Cart | ||
| 32944212X | Ass’y Valve Cap 12V (“kv” Pitch) | 1 | $838.17 | Add to Cart | ||
| 32944224X | Ass’y Valve Cap 24V (“kv” Pitch) | 1 | $1,403.57 | Add to Cart | ||
| 13 | 3784476 | Capscrew Sh (.312" 18" 1 .000") | 3 | $4.33 | Add to Cart | |
| 14 | 379486 | Elbow 90° (.438" 20") | 1 | $28.97 | Add to Cart | |
| 15 | 378422 | Screw Drive | 2 | $11.52 | Add to Cart | |
| 16 | 68P51 | Plate Name | 1 | $2.14 | Add to Cart | |
| 17 | 379231 | Plug Pipe (.125" 27") (w/o E .o.c. Only) | 1 | $1.50 | Add to Cart | |
| 18 | 379242 | Adapter Straight (.125" 27" X .750" 16") (w/o E .o.c. Only) Clutch Gear. | 1 | $22.23 | Add to Cart | |
| 20 | 560972 | Bearing Needle Roller Ass’y (1 .500" X 1 .875" X 1 .000") | 1 | $32.22 | Add to Cart | |
| 21 | 31P70 | Washer Thrust (1 .507" X 2 .167" X .094") | 1 | $13.66 | Add to Cart | |
| 22 | 379746 | Lockring | 1 | $5.06 | Add to Cart | |
| 23 | 550311 | Bearing Ball (1 .77" X 3.346" X .748") | 1 | $81.15 | Add to Cart | |
| 24 | 4P187 | Spacer (1 .776" X 2 .200" X .239") | 1 | $53.28 | Add to Cart | |
| 25 | 3297241X | Ass’y Drive Shaft & Clutch (3-P-1065 Shaft) | 1 | $1,066.51 | Add to Cart | |
| 26 | 561047 | Bearing Needle Roller (1 .500" X 2 .062" X 1 .250") | 1 | $156.82 | Add to Cart | |
| 27 | 378263 | Lockring | 1 | $19.87 | Add to Cart | |
| 28 | 379555 | Lockring | 1 | $23.13 | Add to Cart | |
| 29 | 3784478 | Capscrew Sh (.312" 18" 1 .000") | 4 | $2.32 | Add to Cart | |
| 30 | 21P766 | Cap Bearing (“xv” Output Only) | 1 | $109.64 | Add to Cart | |
| 31 | 28P211 | Oil Seal (3.001 " X 2 .00" X .375") (“xv” Output Only) | 1 | $35.18 | Add to Cart | |
| 32 | 313431 | Companion Flange 1410 (“xv” Output Only) | 1 | — | Call for availability | |
| 33 | 378382 | Nut Stop (.875" -14") (“xv” Output Only) Continued On Next | 1 | $60.21 | Add to Cart | |
| 34 | 379243 | Sensor Speed (w/o E .o.c. Only) | 1 | $229.65 | Add to Cart | |
| 35 | 28P171 | O-ring (.644" X .087") (w/o E .o.c. Only) | 1 | $4.88 | Add to Cart | |
| 36 | 3795642 | Cap Thread (.438") | 1 | $1.23 | Add to Cart | |
| 37 | 5008975 | Plug Shipping | 1 | — | Call for availability | |
| 38 | 329403X | Ass’y Seal Cap (“g” & “h” Shift Only) Loose Parts | 1 | $490.07 | Add to Cart | |
| 3289489X | Kit Gasket & Installation Instructions (all) | $42.19 | Add to Cart | |||
| 717086X | Kit Mounting (“fj” “ln” Pitch) | $84.46 | Add to Cart | |||
| 7170117X | Kit Mounting (“kv” Pitch) Installation Kit | $78.00 | Add to Cart | |||
| 32902412X | Kit Installation 12V (“fj” Pitch “b” Shift) | $272.23 | Add to Cart | |||
| 32902424X | Kit Installation 24V (“fj” Pitch “d” Shift) | $304.69 | Add to Cart | |||
| 32923712X | Kit Installation 12V Remote Valve W/o E .o.c. (“fj” Pitch “g” Shift) | $763.42 | Add to Cart | |||
| 32923724X | Kit Installation 24V Remote Valve W/o E .o.c. (“fj” Pitch “h” Shift) | $763.42 | Add to Cart | |||
| 329076X | Kit Installation E .o.c. (“fj” Pitch “k” “l” Shift) | $152.30 | Add to Cart | |||
| 329650X | Controls Electronic Overspeed (“k” “l” Shift) | $1,358.05 | Add to Cart | |||
| 32944312X | Kit Installation 12V (“kv” Pitch “b” Shift) | $320.03 | Add to Cart | |||
| 32944324X | Kit Installation 24V (“kv” Pitch “d” Shift) | $291.36 | Add to Cart | |||
| 329444X | Kit Installation 12V & 24V E .o.c. (“kv” Pitch “k” “l” Shift) | — | No longer available — call for replacement | |||
| 32944512X | Kit Installation 12V Remote Valve W/o E .o.c. (“kv” Pitch “g” Shift) | $904.45 | Add to Cart | |||
| 32944524X | Kit Installation 24V Remote Valve W/o E .o.c. (“kv” Pitch “h” Shift) , Service Parts | $1,555.39 | Add to Cart | |||
| 32907155X | Kit Gasket & Seal (“xv” “rs” “rz” “ry” Outputs) | $318.33 | Add to Cart | |||
| 32935412X | Conversion Kit 12V Remote Valve | $930.53 | Add to Cart | |||
| 32935424X | Conversion Kit 24V Remote Valve | $473.86 | Add to Cart |
Assembly Drive 870 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 3P1065 | Shaft Output 10T Straight (329724-1X) | 1 or | $761.33 | Add to Cart | ||
| 3P1066 | Shaft Output 1 -1/4" 14T (329724-2X) | 1 or | $750.06 | Add to Cart | ||
| 3P1067 | Shaft Output Din 8T (329724-3X) | 1 | $761.33 | Add to Cart | ||
| 2 | 28P285 | O-ring 1 .597" X .103" | 2 | $12.64 | Add to Cart | |
| 3 | 28P178 | O-ring 4.484" X .138" | 1 | $41.94 | Add to Cart | |
| 4 | 380051 | Cylinder Clutch Back Up | 1 | — | No longer available — call for replacement | |
| 5 | 380110X | Piston Clutch Assembly W/ball | 1 | $507.89 | Add to Cart | |
| 5005667 | .250" Ball | 1 | $1.10 | Add to Cart | ||
| 5 | 380110 | Piston Clutch | 1 | — | Call for availability | |
| 6 | 379555 | Lockring | 1 | $23.13 | Add to Cart | |
| 7 | 380069 | Lockring | 1 | $6.90 | Add to Cart | |
| 8 | 329678X | Kit Gear & Plates | 1 | $474.31 | Add to Cart | |
| 379485 | Disc Friction | 1 1 | $14.45 | Add to Cart | ||
| 380065 | Plate Clutch | 10 | $16.48 | Add to Cart | ||
| 2P858 | Gear Output 36T | 1 | $186.14 | Add to Cart | ||
| 9 | 37P62 | Spring 2 .14" X 1 .729" | 1 | $26.96 | Superseded by 37P72Add to Cart |
Gear Input Ratio Output Designator Gear (7) Gear (6) Gear (19)
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 5P1428 | 50 5-P-1429 24 2-P-891 40 | — | Call for availability | |||
| 5P1468 | 45 5-P-1429 24 2-P-891 40 | — | Call for availability |
Gear Input Ratio Output Designator Gear (7) Gear (6) Gear (30)
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 5P1428 | 50 5-P-1429 24 2-P-862 40 | — | Call for availability | |||
| 5P1468 | 45 5-P-1429 24 2-P-862 40 | — | Call for availability |
This is the complete factory parts breakdown for the Chelsea PTO 870 — every part in the manual, matched to our live inventory. We stock 69 of the 80 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 870 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 870 |
| PTO type | Chelsea 800 Series |
| Document | Illustrated Parts List (Chelsea) |
| Length | 16 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.