Chelsea PTO 878L Series Parts Manual
Model Number Designation
| Item | Part No. | Description | Qty | Notes | Price |
|---|
Allison
| Item | Part No. | Description | Qty | Notes | Price |
|---|
Parts List Bill of Materials 878L Series
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 1P817 | Housing (3 Arrangement) | 1 or | $951.24 | Add to Cart | |
| 1P816 | Housing (5 Arrangement) | 1 | $951.24 | Add to Cart | ||
| 2A | 14P821 | Spacer (1 .191 " X 1 .750" X .080") | 1 | $43.74 | Add to Cart | |
| 2B | 14P821 | Spacer (1 .191 " X 1 .750" X .080") (thickness As Required) | A.R. | $43.74 | Add to Cart | |
| 14P822 | Spacer (1 .191 " X 1 .750" X .085") | A.R. | $43.74 | Add to Cart | ||
| 14P823 | Spacer (1 .191 " X 1 .750" X .090") | A.R. | $43.74 | Add to Cart | ||
| 14P824 | Spacer (1 .191 " X 1 .750" X .094") | A.R. | $43.74 | Add to Cart | ||
| 3 | 22P112 | Valve Cap Gasket | 2 | $20.18 | Add to Cart | |
| 4 | 28P329 | O-ring (5 .487 " X .103") | 1 | $44.96 | Add to Cart | |
| 5 | 9P99 | Idler Shaft (1 .180") | 1 | $273.42 | Add to Cart | |
| 8 | 380064 | Lockring | 1 | $14.60 | Add to Cart | |
| 9 | 561026 | Tapered Cone Bearing (1 .181 " X .984") | 1 | $131.13 | Add to Cart | |
| 10 | 28P42 | O-ring (1 .051 " X .070") | 1 | $3.59 | Add to Cart | |
| 3784527 | Socket Head Set Screw (.250" -20 X .500") | 1 | $4.37 | Add to Cart | ||
| 12 | 3784476 | Socket Head Cap Screw (.312 " -18 X 1 .000") | 3 | $4.33 | Add to Cart | |
| 13 | 379556 | Tee (.438" -20) | 1 | $90.82 | Add to Cart | |
| 15 | 68P511 | Adhesive Label | 1 | — | Call for availability | |
| 16 | 379231 | Pipe Plug (.125" -27) | 3 | $1.50 | Add to Cart | |
| 17 | 379242 | Straight Adapter (.125" -27 X .750" -16) | 1 | $22.23 | Add to Cart | |
| 18 | 550311 | Ball Bearing (1 .770" X 3 .346" X .748") | 1 | $81.15 | Add to Cart | |
| 19 | 561047 | Needle Roller Bearing Assembly (1 .500" X 2 .062 " X 1 .250") | 1 | $156.82 | Add to Cart | |
| 20 | 378263 | Internal Lockring | 1 | $19.87 | Add to Cart | |
| 21 | 379555 | Lockring | 2 | $23.13 | Add to Cart | |
| 22 | 38056314 | Hex Flex Head Cap Screw (3/8" -16 X 1 .500") | 4 | $7.14 | Add to Cart | |
| 23 | 21P690 | Seal Cap | 1 | $498.30 | Add to Cart | |
| 24 | 3P1070 | Output Shaft (1 -1/4" 14T) | 1 | $688.51 | Add to Cart | |
| 25 | 379668 | Lockring | 2 | $3.21 | Add to Cart | |
| 30 | 21P935 | Bearing Cap | 1 | $291.74 | Add to Cart | |
| 33 | 28P252 | O-ring (2 .987 " X .103") | 1 | $14.67 | Add to Cart | |
| 34 | 54P48 | Machined Tube Assembly | 1 | $825.79 | Add to Cart | |
| 35 | 3794338 | Socket Head Cap Screw (.375" -16 X 1 .500") | 8 | $28.69 | Add to Cart | |
| 36 | 3P12123X | Output Shaft (ts & Tz Output) | 1 | $1,267.07 | Add to Cart | |
| 37 | 561018 | Ball Bearing (1 .772 " X 2 .953" X .630") | 1 | $37.34 | Add to Cart | |
| 38 | 35P101 | Bearing Cap Gasket (wet Spline) | 1 | $37.17 | Add to Cart | |
| 39 | 21P891 | Pump Flange (ts Output Only) | 1 | $486.12 | Add to Cart | |
| 40 | 329654X | Kit Cover (ts Output Only) | 1 or | $157.74 | Add to Cart | |
| 40 | 329658X | Kit Cover (tk, Tf & Tz Output) | 1 or | $157.74 | Add to Cart | |
| 40 | 329659X | Kit Cover (ty Output Only) | 1 | $61.45 | Add to Cart | |
| 41 | 3795642 | Thread Cap (.438") Continued On Next | 2 | $1.23 | Add to Cart | |
| 32894852X | Gasket & Installation Instructions Kit (all) Stud Kits | 1 | $81.56 | Add to Cart | ||
| 329926X | Bracket Mounting Clamp Kit (all) | 1 | $880.24 | Add to Cart | ||
| 717086X | Stud Kit (all) Service Kits | 1 | $84.46 | Add to Cart | ||
| 3299293X | Gasket & Seal Kit (all Outputs) | 1 | — | Call for availability | ||
| 3299294X | Bearing Kit (all Outputs) Hose Assembly Kits | 1 | — | Call for availability | ||
| 3291411X | Pressure Hose Assembly | 1 | $156.32 | Add to Cart | ||
| 3299251X | Lube Line & Gasket Kit (tk, Tf & Tz Output) | 1 | $286.36 | Add to Cart | ||
| 3299252X | Lube Line & Gasket Kit (ts Output Only) | 1 | $286.36 | Add to Cart | ||
| 3299253X | Lube Line & Gasket Kit (ty Output Only) | 1 | $398.62 | Add to Cart |
Output Options 878L Series Pump Flange & Shaft Dimensions
| Item | Part No. | Description | Qty | Notes | Price |
|---|
Output Options 878L Series Bill of Materials Direct Mount Pump Output
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 4X | M12X1756H | 21 -P-892 Pump Flange 2.14" 329659X Cover Kit | 1 | — | Call for availability |
Parts List Kits Bill of Materials 871L/878L Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1TEE375 | -24 X .438" -20 X .438" -20) 1 Reducer Bushing 1 | — | Call for availability |
Additional Parts Listed in This Manual
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 21-P-892 | Pump Flange | 1 | $688.68 | Add to Cart | ||
| 379625 | 90° Elbow | $17.80 | Add to Cart | |||
| 379130-8X | Lube Hose | — | Call for availability | |||
| 379265 | Proper | $3.21 | Add to Cart | |||
| 379252 | Pto | $2.30 | Add to Cart | |||
| 12015378 | 90° Md: Hd: | — | Call for availability | |||
| 379900 | Assy Fuse | $5.99 | Add to Cart | |||
| 379711 | To | $157.76 | Add to Cart | |||
| 379280 | Torque | $7.49 | Add to Cart | |||
| 379449 | Oil Pto It | $13.18 | Add to Cart | |||
| 69-P-18 | Tag (wet Spline) | 1 | $6.83 | Add to Cart | ||
| 329130-8X | Lube Hose | $88.18 | Add to Cart | |||
| 379451 | Pilot Screw (M10-1.5 X .984") | 2 | $7.23 | Add to Cart | ||
| 328946X | Caution Label Kit 6 & 8-Bolt | 1 | — | No longer available — call for replacement | ||
| 379453-10 | 11 Mm Fc Cap Screw | $6.86 | Add to Cart | |||
| 35-P-74 | Shim Gasket | 1 | $7.13 | Add to Cart | ||
| 379085-2 | Hot Shift Instructions Label | 1 | $4.02 | Add to Cart | ||
| 379624 | Warranty Card | 1 | $3.72 | Add to Cart | ||
| 50-P-169 | Upper Clamp | 2 | $193.48 | Add to Cart | ||
| 50-P-170 | Lower Clamp | 2 | $43.91 | Add to Cart | ||
| 14-P-90 | Spacer (.395" X .625" X 1.000") | 2 | $28.88 | Add to Cart | ||
| 379433-6 | Socket Head Cap Screw | $3.34 | Add to Cart | |||
| 378431-20 | Hex Head Cap Screw | $18.38 | Add to Cart | |||
| 380672 | (.250") Female Spade Connector | 3 | — | Call for availability | ||
| 328923-10X | Speed Sensor Cable 10 Ft | 1 | — | No longer available — call for replacement | ||
| 380668X | Bracket & Label Assembly | 1 | $5.98 | Add to Cart | ||
| 379061 | Plastic Wire Tie | 6 | $1.46 | Add to Cart | ||
| 379257 | Electrical Connector | 2 | $2.91 | Add to Cart | ||
| 379502 | Pressure Switch | 1 | $93.06 | Add to Cart | ||
| 379504 | Electrical Valve Connector | 1 | $52.22 | Add to Cart | ||
| 329230X | Wire & Butt Electrical Connector | 1 | — | No longer available — call for replacement | ||
| 329231X | Valve Connector Wire Assembly | 1 | $123.35 | Add to Cart | ||
| 379254-17 | Electrical Wire 14G Fork | 1 | $18.76 | Add to Cart | ||
| 378881 | Rocker Switch | 1 | $111.97 | Add to Cart | ||
| 378978 | 12VDC Indicator Light | 1 | $25.82 | Add to Cart | ||
| 379131-1 | Pipe Reducer Bushing | $3.19 | Add to Cart | |||
| 379258 | Mounting Bracket | 1 | $5.11 | Add to Cart | ||
| 379306 | Insulated Fork Terminal | 3 | $2.50 | Add to Cart | ||
| 379336 | Switch Bracket | 1 | $10.11 | Add to Cart | ||
| 379686-1 | 12VDC Hydraulic Shifter Solenoid Valve | 1 | $473.29 | Add to Cart | ||
| 379700 | Swivel Nut Fitting | 2 | $13.33 | Add to Cart | ||
| 380010 | Union Fitting | 1 | $17.47 | Add to Cart | ||
| 500357-7 | Lock Washer (.194" X .337" X .047") | 2 | $1.07 | Add to Cart | ||
| 500457-6 | Round Hd Slotted Screw | $1.12 | Add to Cart | |||
| 75-P-46X | Wire And Connectors Kit | 1 | $27.77 | Add to Cart | ||
| 75-P-53 | 24VDC Wire Harness Assembly | 1 | $207.54 | Add to Cart | ||
| 22-P-151 | Shim Gasket | 1 | $15.38 | Add to Cart | ||
| 379005 | 24VDC Indicator Light | 1 | — | No longer available — call for replacement | ||
| 379686-2 | 24VDC Hydraulic Shifter Solenoid Valve | 1 | $466.27 | Add to Cart | ||
| 329403X | Seal Cap Assembly | 1 | $490.07 | Add to Cart | ||
| 329057-4X | Hose Length Assembly (16.75") | 2 | $45.49 | Add to Cart |
This is the complete factory parts breakdown for the Chelsea PTO 878L — every part in the manual, matched to our live inventory. We stock 89 of the 103 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.
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