Chelsea PTO 877 Series Parts Manual
This Chelsea Illustrated Parts List covering the 877 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 877 |
| PTO type | Chelsea 800 Series |
| Document | Illustrated Parts List (Chelsea) |
| Length | 16 pages |
| Format | PDF — view below or download free |
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
Read the manual
This is our interactive copy of the factory manual — part numbers are clickable and every exploded-view callout links to the part. Plain factory PDF if you prefer it.
Chelsea parts & units we stock
Pro Gear and Transmission stocks new, remanufactured and good-used parts for Chelsea PTO units:
Chelsea 877 parts list — every part number linked
This is the bill of materials from the manual above, matched against our own stock. Click any part number to see the listing and current price, or use ▶ Add to drop it straight in your cart. 83 of the 95 lines in this book are parts we carry.
Prices are shown on each product page so you always see the current one. Anything not linked, or marked no longer available, we can still usually source — call (877) 776-4600.
Prefer the book? Download the interactive PDF — same manual, with every part number and every exploded-view balloon clickable.
Bill of Materials — manual page 6
| Item | Part number | Description | Qty | Order |
|---|---|---|---|---|
| 1 | 1-P-665 | Housing Machined ("5" Arrangement) no longer available — call for a replacement | 1 | |
| 1-P-667 | Housing Machined ("3" Arrangement) | 1 | ▶ Add | |
| 3 | 22-P-112 | Gasket | 1 | ▶ Add |
| 4 | 22-P-101 | Gasket no longer available — call for a replacement | 1 | |
| 5 | 9-P-99 | Shaft Idler (1.18") | 1 | ▶ Add |
| 8 | 380064 | Lockring | 1 | ▶ Add |
| 9 | 561026 | Bearing Tapered Cone (1.181" x .9843") | 2 | ▶ Add |
| 10 | 28-P-42 | O-Ring (1.051" x .070") | 1 | ▶ Add |
| 11 | 378452-7 | Set Screw SH (.250" 20" .500") | 1 | ▶ Add |
| 12 | 329463-12X | Ass'y Valve Cap 12V ("FJ", "LN" Pitch) | 1 | ▶ Add |
| 329463-24X | Ass'y Valve Cap 24V ("FJ", "LN" Pitch) | 1 | ▶ Add | |
| 329442-12X | Ass'y Valve Cap 12V ("KV" Pitch) | 1 | ▶ Add | |
| 329442-24X | Ass'y Valve Cap 24V ("KV" Pitch) | 1 | ▶ Add | |
| 13 | 378447-6 | Capscrew SH (.312" 18" 1.000") | 3 | ▶ Add |
| 14 | 379486 | Elbow 90° (.438" 20") | 1 | ▶ Add |
| 15 | 378422 | Screw Drive | 2 | ▶ Add |
| 16 | 68-P-51 | Plate Name | 1 | ▶ Add |
| 17 | 379231 | Plug Pipe (.125" 27") (w/o E.O.C. only) | 1 | ▶ Add |
| 18 | 379242 | Adapter Straight (.125" 27" x .750" 16") (w/o E.O.C. only) | 1 | ▶ Add |
| 20 | 560972 | Bearing Needle Roller Ass'y (1.500" x 1.875" x 1.000") | 1 | ▶ Add |
| 21 | 31-P-70 | Washer Thrust (1.507" x 2.167" x .094") | 1 | ▶ Add |
| 22 | 379746 | Lockring | 1 | ▶ Add |
| 23 | 550311 | Bearing Ball (1.77" x 3.346" x .748") | 1 | ▶ Add |
| 24 | 4-P-187 | Spacer (1.776" x 2.200" x .239") | 1 | ▶ Add |
| 25 | 329724-1X | Ass'y Drive Shaft & Clutch (3-P-1065 Shaft) | 1 | ▶ Add |
| 26 | 561047 | Bearing Needle Roller (1.500" x 2.062" x 1.250") | 1 | ▶ Add |
| 27 | 378263 | Lockring | 1 | ▶ Add |
| 28 | 379555 | Lockring | 1 | ▶ Add |
| 29 | 378447-8 | Capscrew SH (.312" 18" 1.000") | 4 | ▶ Add |
| 30 | 21-P-766 | Cap Bearing ("XV" Output Only) | 1 | ▶ Add |
| 31 | 28-P-211 | Oil Seal (3.001" x 2.00" x .375") ("XV" Output Only) | 1 | ▶ Add |
| 32 | 3-1-3431 | Companion Flange 1410 ("XV" Output Only) call to confirm availability | 1 | |
| 33 | 378382 | Nut Stop (.875" -14") ("XV" Output Only) no longer available — call for a replacement | 1 |
Bill of Materials — manual page 7
| Item | Part number | Description | Qty | Order |
|---|---|---|---|---|
| 34 | 379243 | Sensor Speed (w/o E.O.C. only) | 1 | ▶ Add |
| 35 | 28-P-171 | O-Ring (.644" x .087") (w/o E.O.C. only) | 1 | ▶ Add |
| 36 | 379564-2 | Cap Thread (.438") | 1 | ▶ Add |
| 37 | 500897-5 | Plug Shipping call to confirm availability | 1 | |
| 38 | 329403X | Ass'y Seal Cap ("G" & "H" Shift Only) | 1 | ▶ Add |
| LOOSE PARTS | ||||
| 328948-9X | Kit Gasket & Installation Instructions (All) | ▶ Add | ||
| 329024-12X | Kit Installation 12V ("FJ" Pitch, "B" Shift) | ▶ Add | ||
| 329024-24X | Kit Installation 24V ("FJ" Pitch, "D" Shift) | ▶ Add | ||
| 329237-12X | Kit Installation 12V Remote Valve w/o E.O.C. ("FJ" Pitch, "G" Shift) | ▶ Add | ||
| 329237-24X | Kit Installation 24V Remote Valve w/o E.O.C. ("FJ" Pitch, "H" Shift) | ▶ Add | ||
| 329076X | Kit Installation E.O.C. ("FJ" Pitch, "K", "L" Shift) | ▶ Add | ||
| 329650X | Controls Electronic Overspeed ("K", "L" Shift) | ▶ Add | ||
| 329443-12X | Kit Installation 12V ("KV" Pitch, "B" Shift) | ▶ Add | ||
| 329443-24X | Kit Installation 24V ("KV" Pitch, "D" Shift) | ▶ Add | ||
| 329444X | Kit Installation 12V & 24V E.O.C. ("KV" Pitch, "K", "L" Shift) no longer available — call for a replacement | |||
| 329445-12X | Kit Installation 12V Remote Valve w/o E.O.C. ("KV" Pitch, "G" Shift) | ▶ Add | ||
| 329445-24X | Kit Installation 24V Remote Valve w/o E.O.C. ("KV" Pitch, "H" Shift) | ▶ Add | ||
| SERVICE PARTS | ||||
| 329071-55X | Kit Gasket & Seal ("XV", "RS", "RZ", "RY" Outputs) no longer available — call for a replacement | |||
| 329354-12X | Conversion Kit 12V Remote Valve | ▶ Add | ||
| 329354-24X | Conversion Kit 24V Remote Valve | ▶ Add | ||
Parts list (page 8) — manual page 8
| Item | Part number | Description | Qty | Order |
|---|---|---|---|---|
| 1-1 | 3-P-1065 | Shaft Output 10T Straight (329724-1X) 1 or | ▶ Add | |
| 1-2 | 3-P-1066 | Shaft Output 1-1/4" 14T (329724-2X) 1 or | ▶ Add | |
| 1-3 | 3-P-1067 | Shaft Output DIN 8T (329724-3X) | 1 | ▶ Add |
| 2 | 28-P-285 | O-Ring 1.597" x .103" | 2 | ▶ Add |
| 3 | 28-P-178 | O-Ring 4.484" x .138" | 1 | ▶ Add |
| 4 | 380051 | Cylinder Clutch Back up no longer available — call for a replacement | 1 | |
| 5 | 380110X | Piston Clutch Assembly w/Ball | 1 | ▶ Add |
| 5 | 380110 | Piston Clutch | 1 | ▶ Add |
| 6 | 379555 | Lockring | 1 | ▶ Add |
| 7 | 380069 | Lockring | 1 | ▶ Add |
| 8 | 329678X | Kit Gear & Plates | 1 | ▶ Add |
| 8-1 | 379485 | Disc Friction | 11 | ▶ Add |
| 8-2 | 380065 | Plate Clutch | 10 | ▶ Add |
| 8-3 | 2-P-858 | Gear Output 36T | 1 | ▶ Add |
| 9 | 37-P-62 | Spring 2.14" x 1.729" call to confirm availability | 1 |
Bill of Materials — manual page 12
| Item | Part number | Description | Qty | Order |
|---|---|---|---|---|
| 1 | 1-P-665 | Housing Machined ("5" Arrangement) no longer available — call for a replacement | 1 | |
| 1 | 1-P-667 | Housing Machined ("3" Arrangement) | 1 | ▶ Add |
| 17 13 | ||||
| 3 | 22-P-112 | Gasket | 1 | ▶ Add |
| 11 | 9-P-99 | Shaft Idler (1.18") | 1 | ▶ Add |
| 8 | 380064 | Lockring | 1 | ▶ Add |
| 9 | 561026 | Bearing Tapered Cone (1.181" x .9843") | 2 | ▶ Add |
| 29 9 | ||||
| 10 | 28-P-42 | O-Ring (1.05" x .070") | 1 | ▶ Add |
| 12 | 378447-6 | Capscrew SH (.312" 18 1.000") | 3 | ▶ Add |
| 5 | 379486 | Elbow 90° (.438" 20) | 1 | ▶ Add |
| 14 | 378422 | Screw Drive | 2 | ▶ Add |
| 4 | 68-P-51 | Plate Name | 1 | ▶ Add |
| 16 | 379231 | Plug Pipe (.125" 27) | 1 | ▶ Add |
| 17 | 379242 | Adapter Straight (.125" 27 x .750" 16) | 1 | ▶ Add |
| 20 - - | ||||
| 18 | 550311 | Bearing Ball (1.77" x 3.346" x .748") | 1 | ▶ Add |
| 19 | 561047 | Bearing Needle Roller (1.500" x 2.062" x 1.250") | 1 | ▶ Add |
| 20 | 378263 | Lockring | 1 | ▶ Add |
| 21 | 379555 | Lockring | 1 | ▶ Add |
| 22 | 378447-8 | Capscrew SH (.312" 18" 1.000") | 4 | ▶ Add |
| 24 | 21-P-766 | Cap Bearing ("XV" Output Only) | 1 | ▶ Add |
| 24 | 28-P-211 | Oil Seal (3.001" x 2.00" x .375") ("XV" Output Only) | 1 | ▶ Add |
| 26 | 3-1-3431 | Companion Flange 1410 ("XV" Output Only) call to confirm availability | 1 | |
| 27 | 378382 | Nut Stop (.875" 14) ("XV" Output Only) no longer available — call for a replacement | 1 | |
| 28 | 3-P-1068 | Shaft Output 10T Straight | 1 | ▶ Add |
| 29 | 379668 | Lockring | 2 | ▶ Add |
| 31 | 21-P-690 | Cap Seal | 1 | ▶ Add |
| 32 | 379564-2 | Cap Thread (.438") | 1 | ▶ Add |
| LOOSE PARTS | ||||
| 328948-9X | Kit Gasket & Installation Instructions (All) | 1 | ▶ Add | |
Part numbers and descriptions are taken from the Chelsea/Parker parts manual on this page. Chelsea® and Parker® are trademarks of Parker Hannifin Corporation; Pro Gear and Transmission is an independent distributor.
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.