Chelsea PTO 590 Series Parts Manual
Model Number Designation
| Item | Part No. | Description | Qty | Notes | Price |
|---|
Parts List Bill of Materials 590 Series
Click a number on the diagram to highlight that part below.
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 1P681 | Housing Standard Mount | 1 | $849.68 | Add to Cart | |
| 2 | 3P1091 | Input Shaft (“la” Input) | 1 | $654.62 | Add to Cart | |
| 3 | 66P60 | Piston | 1 | $1,197.90 | Add to Cart | |
| 4 | 379486 | Elbow 90° .348" 20 | 1 | $28.97 | Add to Cart | |
| 5 | 66P59 | Pressure Plate | 1 | $963.24 | Add to Cart | |
| 6 | 37P72 | Spring 2 .14" X 1 .941 " | 1 | $26.96 | Add to Cart | |
| 7 | 561022 | Bearing Tapered Cone 1 .625" X 1 .010" | 1 | $103.44 | Add to Cart | |
| 9 | 561023 | Bearing Tapered Cone 1 .500" X 1 .164" | 1 | $169.90 | Add to Cart | |
| 10 | 561024 | Bearing Tapered Cup 3.251 " X .906" | 1 | $49.22 | Add to Cart | |
| 21P792 | Mounting Flange (“la” Input) | 1 | $998.79 | Add to Cart | ||
| 12 | 3296731X | “cs” Assembly Output (see Pages 4-10 For Other Outputs) | 1 | $1,431.09 | Add to Cart | |
| 13 | 31P70 | Thrust Washer 1 .507" X 2 .167" X .094" | 1 | $13.66 | Add to Cart | |
| 14 | 379746 | Lockring | 1 | $5.06 | Add to Cart | |
| 15 | 380069 | Lockring | 1 | $6.90 | Add to Cart | |
| 16 | 28P326 | O-ring 2 .300" X .103" | 1 | $14.59 | Add to Cart | |
| 17 | 28P327 | O-ring 5.109" X .139" | 1 | $46.78 | Add to Cart | |
| 18 | 28P245 | O-ring 5.017" X .103" | 1 | $45.00 | Add to Cart | |
| 19 | 22P137 | Gasket | 1 | $25.34 | Add to Cart | |
| 20 | 37943316 | Capscrew Sh .375" 16 X 3.500" | 4 | — | No longer available — call for replacement | |
| 21 | 380448 | Capscrew Sh .4375" 20 X 1 .500" | 4 | $8.94 | Add to Cart | |
| 22 | 68P51 | Name Plate | 1 | $2.14 | Add to Cart | |
| 23 | 378422 | Drive Screw | 2 | $11.52 | Add to Cart | |
| 24 | 38050912 | Valve Cartridge Pressure Regulating 12V (“b” Shift) (w/bracket 379995) | 1 | $1,575.17 | Add to Cart | |
| 25 | 329678X | Gear & Plates Kit | 1 | $474.31 | Add to Cart | |
| 2P858 | Output Gear 36T. | 1 | $186.14 | Add to Cart | ||
| 379485 | Disc Friction | 10 | $14.45 | Add to Cart | ||
| 380065 | Clutch Plate | 9 | $16.48 | Add to Cart | ||
| 26 | 3795642 | Cap Thread .438" | 1 | $1.23 | Add to Cart | |
| 27 | 5008975 | Shipping Plug | 1 | — | Call for availability | |
| 28 | 380008 | Plug Steel Ball & Sleeve | 1 | — | Call for availability | |
| 29 | 379484 | Plug O-ring Boss .438" 20 | 1 | $6.85 | Add to Cart | |
| 30 | 385095 | Orifice Screw | 1 | $6.85 | Add to Cart | |
| 31 | 3784474 | Capscrew Sh .312" 18 X .750" | 1 | $1.78 | Add to Cart | |
| 32 | 50059912 | Roller Pin .250" X .875" | 1 | $1.99 | Add to Cart | |
| 33 | 561064 | Bearing Tapered Cup 3.250" X .7950" | 1 | $78.85 | Add to Cart | |
| 34 | 329659X | Kit Cover (“xy” Output) | 1 or | $61.45 | Add to Cart | |
| 329658X | Kit Cover (“af”, “az”, “cf”, “ck”, “cz”, “xk” Output) | 1 or | $157.74 | Add to Cart | ||
| 329654X | Kit Cover (“cs”, “zs” Output) Loose Parts | 1 | $157.74 | Add to Cart | ||
| 32894844X | Installation Kit (“la” Input) | 1 | $102.83 | Add to Cart | ||
| 7170120X | Mounting Kit (“la” Input) | 1 | $163.68 | Add to Cart | ||
| 32944312X | Installation Kit 12 Volt | 1 | $320.03 | Add to Cart | ||
| 3290751X | Hose Assembly. | 1 | $87.88 | Add to Cart | ||
| 50P148 | Bracket (“la” Input) | 1 | $163.66 | Add to Cart |
Mounting Kit CAT CX Series 590 Series
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 37942922 | Stud Metric Patched M12 1 .75" X 2 .250" | 8 | $13.81 | Add to Cart | |
| 2 | 35P115 | Gasket | 1 | $31.99 | Add to Cart | |
| 3 | 379745 | Nut Flange .438" 20 | 8 | $2.34 | Add to Cart | |
| 4 | 37843112 | Capscrew Hh .375" 16 X 1 .250" | 2 | $3.52 | Add to Cart | |
| 5 | 50P148 | Bracket Cat | 1 | $163.66 | Add to Cart |
Flange & Shaft Assemblies 590 Series 329673-1X (“CS”) S .A.E “C” 4-Bolt 1-1/4 " 14 Tooth
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 21P742 | Flange Pump “cs” | 1 | $646.72 | Add to Cart | |
| 2 | 561018 | Bearing Ball 1 .772" X 2 .953" X .630" | 1 | $37.34 | Add to Cart | |
| 3 | 379919 | Lockring | 1 | $9.75 | Add to Cart | |
| 4 | 2P867 | Gear Output 44T 1 -1/4" 14 Tooth “cs” | 1 | $1,203.43 | Add to Cart | |
| 5 | 379668 | Lockring | 1 | $3.21 | Add to Cart | |
| 6 | 28P278 | Oil Seal 2 .953" X 1 .772" X .315" | 1 | $52.57 | Add to Cart | |
| 7 | 379231 | Plug Pipe .125" 27 | 2 | $1.50 | Add to Cart | |
| 329654X | Kit Cover | 1 | $157.74 | Add to Cart |
Flange & Shaft Assemblies 590 Series 329673-2X (“CK”) S .A.E “B ” 2 or 4-Bolt 7/8 " 13 Tooth
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 21P739 | Flange Pump “ck” | 1 | $624.84 | Add to Cart | |
| 2 | 561018 | Bearing Ball 1 .772" X 2 .953" X .630" | 1 | $37.34 | Add to Cart | |
| 3 | 379919 | Lockring | 1 | $9.75 | Add to Cart | |
| 4 | 2P877 | Gear Output 44T 7/8" 13 Tooth “ck” | 1 | $1,245.50 | Add to Cart | |
| 5 | 379668 | Lockring | 1 | $3.21 | Add to Cart | |
| 6 | 28P278 | Oil Seal 2 .953" X 1 .772" X .315" | 1 | $52.57 | Add to Cart | |
| 7 | 379231 | Plug Pipe .125" 27 | 2 | $1.50 | Add to Cart | |
| 329658X | Kit Cover | 1 | $157.74 | Add to Cart |
Flange & Shaft Assemblies 590 Series 329673-3X (“CF”) S .A.E “B ” 2 or 4-Bolt 1 .00 " 15 Tooth
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 21P739 | Flange Pump “cf” | 1 | $624.84 | Add to Cart | |
| 2 | 561018 | Bearing Ball 1 .772" X 2 .953" X .630" | 1 | $37.34 | Add to Cart | |
| 3 | 379919 | Lockring | 1 | $9.75 | Add to Cart | |
| 4 | 2P875 | Gear Output 44T 1 .0" 15 Tooth “cf” | 1 | $1,179.78 | Add to Cart | |
| 5 | 379668 | Lockring | 1 | $3.21 | Add to Cart | |
| 6 | 28P278 | Oil Seal 2 .953" X 1 .772" X .315" | 1 | $52.57 | Add to Cart | |
| 7 | 379231 | Plug Pipe .125" 27 | 2 | $1.50 | Add to Cart | |
| 329658X | Kit Cover | 1 | $157.74 | Add to Cart |
Flange & Shaft Assemblies 590 Series 329609-4X (“XY”) DIN 5462 4-Bolt 8 Tooth
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 21P725 | Flange Pump “xy” Din 5462 4-Bolt | 1 | $612.58 | Add to Cart | |
| 2 | 561011 | Bearing Ball 1 .770" X 3.346" X .748" | 1 | — | No longer available — call for replacement | |
| 3 | 378263 | Lockring | 1 | $19.87 | Add to Cart | |
| 4 | 2P876 | Gear Output 8 Tooth Spline | 1 | $1,179.78 | Add to Cart | |
| 5 | 379555 | Lockring | 1 | $23.13 | Add to Cart | |
| 6 | 28P267 | Oil Seal 2 .627" X 1 .750" X .312" | 1 | $66.05 | Add to Cart | |
| 7 | 379231 | Plug Pipe .125" 27 | 2 | $1.50 | Add to Cart | |
| 28P259X | O-ring 3.984" X .139" (wet Spline Pump Mounting) | 1 | $49.60 | Add to Cart |
Flange & Shaft Assemblies 590 Series 329673-5X (“CZ”) S .A.E “B ” 2 or 4-Bolt 1-1/4 " 14 Tooth
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 21P739 | Flange Pump “cz” | 1 | $624.84 | Add to Cart | |
| 2 | 561018 | Bearing Ball 1 .772" X 2 .953" X .630" | 1 | $37.34 | Add to Cart | |
| 3 | 379919 | Lockring | 1 | $9.75 | Add to Cart | |
| 4 | 2P867 | Gear Output 44T 1 -1/4" 14 Tooth “cz” | 1 | $1,203.43 | Add to Cart | |
| 5 | 379668 | Lockring | 1 | $3.21 | Add to Cart | |
| 6 | 28P278 | Oil Seal 2 .953" X 1 .772" X .315" | 1 | $52.57 | Add to Cart | |
| 7 | 379231 | Plug Pipe .125" 27 | 2 | $1.50 | Add to Cart | |
| 329658X | Kit Cover | 1 | $157.74 | Add to Cart |
Flange & Shaft Assemblies 590 Series 329608-1X (“XV”) S .A.E 1410 Companion Flange
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 21P736 | Cap Bearing “xv”, “ab”, “ac” | 1 | $434.21 | Add to Cart | |
| 2 | 378161 | Gasket 4600 | 1 | $27.32 | Add to Cart | |
| 3 | 28P283 | Oil Seal 2 .754" X 2 .000" X .313" | 1 | $49.34 | Add to Cart | |
| 4 | 313431 | Companion Flange 1410 | 1 | — | Call for availability | |
| 5 | 380486 | Nut Nylon Lock Thin .875" 14 | 1 | $60.21 | Add to Cart | |
| 6 | 561020 | Bearing Ball 1 .574" X 3.149" X .708" | 1 | $42.83 | Add to Cart | |
| 7 | 378836 | Lockring | 1 | $13.50 | Add to Cart | |
| 8 | 35P103 | Gasket Shaft | 1 | $25.58 | Add to Cart | |
| 9 | 3P1009 | Shaft Output 10T Straight | 1 | $761.34 | Add to Cart | |
| 10 | 561020 | Washer | 1 | $42.83 | Add to Cart |
Flange & Shaft Assemblies 590 Series 329609-7X (“ZS”) S .A.E “C” 4-Bolt 1-1/4 " 14 Tooth
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 1 | 21P764 | Flange Pump “zs” | 1 | $620.57 | Add to Cart | |
| 2 | 561018 | Bearing Ball 1 .772" X 2 .953" X .630" | 1 | $37.34 | Add to Cart | |
| 3 | 379919 | Lockring | 1 | $9.75 | Add to Cart | |
| 4 | 2P867 | Gear Output 44T 1 -1/4" 14 Tooth “zs”. | 1 | $1,203.43 | Add to Cart | |
| 5 | 379668 | Lockring | 1 | $3.21 | Add to Cart | |
| 6 | 28P278 | Oil Seal 2 .953" X 1 .772" X .315" | 1 | $52.57 | Add to Cart | |
| 7 | 379231 | Plug Pipe .125" 27 | 2 | $1.50 | Add to Cart | |
| 329654X | Kit Cover | 1 | $157.74 | Add to Cart |
Additional Parts Listed in This Manual
| Item | Part No. | Description | Qty | Notes | Price | |
|---|---|---|---|---|---|---|
| 329673-2X | ("ck") S.a.e. "b" 2 Or 4-Bolt 7/8" 13 Tooth | $1,431.09 | Add to Cart | |||
| 329673-3X | ("cf") S.a.e. "b" 2 Or 4-Bolt 1 .00" 15 Tooth | $1,431.09 | Add to Cart | |||
| 329609-4X | ("xy") Din 5462 4-Bolt 8 Tooth | $1,260.96 | Add to Cart | |||
| 329673-5X | ("cz") S.a.e. "b" 2 Or 4-Bolt 1-1/4" 14 Tooth | $1,431.09 | Add to Cart | |||
| 329608-1X | ("xv") S.a.e. 1410 Companion Flange | — | Call for availability | |||
| 329609-7X | ("zs") S.a.e. "c" 4-Bolt 1-1/4" 14 Tooth | $1,512.27 | Add to Cart | |||
| 328946X | Caution Label Kit | 1 | — | No longer available — call for replacement | ||
| 34-P-284 | Plate Cover | 1 | $128.55 | Add to Cart | ||
| 378433-10 | Hex Capscrew | 1 | $10.44 | Add to Cart | ||
| 34-P-285 | Cover Plate | 1 | $128.55 | Add to Cart | ||
| 35-P-104 | Gasket Seal | 1 | $33.17 | Add to Cart | ||
| 378881 | Rocker Switch | 1 | $111.97 | Add to Cart | ||
| 378978 | 12V Indicator Light | 1 | $25.82 | Add to Cart | ||
| 379252 | Butt Connector | 1 | $2.30 | Add to Cart | ||
| 379257 | Splice Connector | 1 | $2.91 | Add to Cart | ||
| 379940 | Shipping Plug | 1 | $36.51 | Add to Cart | ||
| 379265 | Grommet | 1 | $3.21 | Add to Cart | ||
| 379943 | Gasket Seal | 1 | $4.18 | Add to Cart | ||
| 379306 | Spade Terminal | 3 | $2.50 | Add to Cart | ||
| 379579-4 | Hex Capscrew | 4 | $10.36 | Add to Cart | ||
| 379336 | Bracket | 1 | $10.11 | Add to Cart | ||
| 379502 | Pressure Switch | 1 | $93.06 | Add to Cart | ||
| 379928 | Valve Connector | 1 | $47.11 | Add to Cart | ||
| 379900 | Ass'y Fuse | 1 | $5.99 | Add to Cart | ||
| 379061X | Tie Wire Plastic | 1 | — | Call for availability | ||
| 379061 | Wire Zip Tie Plastic | 6 | $1.46 | Add to Cart | ||
| 329443-24X | 24V Installation Kit | $291.36 | Add to Cart | |||
| 379005 | 24V Indicator Light | 1 | — | No longer available — call for replacement | ||
| 3P1089 | Input Shaft (fj Input) | 1 | $1,132.94 | Add to Cart | ||
| 21P7921 | V Mounting Flange (crla Input) | 1 or | — | Call for availability | ||
| 21P789 | Mounting Flange (xrfj Input) | 1 | $1,524.34 | Add to Cart | ||
| 50P147 | Bracket (fj Input) | 1 | $3,183.91 | Add to Cart | ||
| 7170120XV | Mounting Kit (vla Input) | 1 | — | Call for availability | ||
| 800029X | Mounting Kit (fj Input) Installation Kits | 1 | $200.72 | Add to Cart | ||
| 32894844XV | Installation Kit (vla Input) | 1 | — | Call for availability | ||
| 32894846X | Installation Kit (fj Input) | 1 | $113.85 | Add to Cart | ||
| 32944324XV | Installation Kit 24 Volt Service Kits | 1 | — | Call for availability | ||
| 32907168X | Bearing Kit | 1 | $1,790.38 | Add to Cart | ||
| 32907169X | Gasket & Seal Kit | 1 | $220.03 | Add to Cart | ||
| 32907170X | Clutch Repair Kit. | 1 | $447.84 | Add to Cart | ||
| 37843114 | 9/16" Hex Head Capscrew (.375"-16 X 1 .50") | 1 | $24.22 | Add to Cart | ||
| 28P329 | O-ring (5.487" X .103") | 1 | $44.96 | Add to Cart | ||
| 37941233 | Stud (M12-1 .75 X 1 13mm) | 1 | $40.71 | Add to Cart | ||
| 380520 | 18mm Hex Head Nut Flange (M12-1 .75) | 1 | $5.36 | Add to Cart | ||
| 379812 | Straight Hyd Fitting | 1 | $16.73 | Add to Cart | ||
| 3796768 | 5mm Socket Head Capscrew (M12-1 .75 X 35mm) | 1 | $11.85 | Add to Cart | ||
| 3791407 | Lock Washer (M12) | 1 | $2.35 | Add to Cart | ||
| 3291301X | Hose Ass’y (16.25") Run Pto W/ Wet Spline Output Option If Pto Cover Plate Or Pump Are Not Installed And Connected To Do So May Damage Pto/transmission | 1 | $87.33 | Add to Cart |
This is the complete factory parts breakdown for the Chelsea PTO 590 — every part in the manual, matched to our live inventory. We stock 141 of the 154 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 590 PTO helps you identify the correct gear sets, shifter kits and service parts for your power take-off before you order.
| Models covered | 590 |
| PTO type | Chelsea 500 Series |
| Document | Illustrated Parts List (Chelsea) |
| Length | 24 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.