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Chelsea PTO 590 Series Parts Manual

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 covered590
PTO typeChelsea 500 Series
DocumentIllustrated Parts List (Chelsea)
Length21 pages
FormatPDF — 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

Download PDF

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 590 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. 139 of the 151 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

ItemPart numberDescriptionQtyOrder
11-P-681Housing Standard Mount1▶ Add
23-P-1091Input Shaft ("LA" Input)1▶ Add
366-P-60Piston  call to confirm availability1
4379486Elbow 90° .348" 201▶ Add
566-P-59Pressure Plate1▶ Add
637-P-72Spring 2.14" x 1.941"1▶ Add
7561022Bearing Tapered Cone 1.625" x 1.010"1▶ Add
9561023Bearing Tapered Cone 1.500" x 1.164"1▶ Add
10561024Bearing Tapered Cup 3.251" x .906"1▶ Add
1121-P-792Mounting Flange ("LA" Input)1▶ Add
12329673-1X"CS" Assembly Output (See Pages 4-10 for other Outputs)1▶ Add
1331-P-70Thrust Washer 1.507" x 2.167" x .094"1▶ Add
14379746Lockring1▶ Add
15380069Lockring1▶ Add
1628-P-326O-Ring 2.300" x .103"1▶ Add
1728-P-327O-Ring 5.109" x .139"1▶ Add
1828-P-245O-Ring 5.017" x .103"1▶ Add
1922-P-137Gasket1▶ Add
20379433-16Capscrew SH .375" 16 x 3.500"  no longer available — call for a replacement4
21380448Capscrew SH .4375" 20 x 1.500"4▶ Add
2268-P-51Name Plate1▶ Add
23378422Drive Screw2▶ Add
24380509-12Valve Cartridge Pressure Regulating 12V ("B" Shift) (w/Bracket 379995)1▶ Add
25329678XGear & Plates Kit1▶ Add
26379564-2Cap Thread .438"1▶ Add
27500897-5Shipping Plug  call to confirm availability1
28380008Plug Steel Ball & Sleeve  call to confirm availability1
29379484Plug O-Ring Boss .438" 201▶ Add
30385095Orifice Screw1▶ Add
31378447-4Capscrew SH .312" 18 x .750"1▶ Add
32500599-12Roller Pin .250" x .875"1▶ Add
33561064Bearing Tapered Cup 3.250" x .7950"1▶ Add
34329659XKit Cover ("XY" Output) 1 or ▶ Add
 329658XKit Cover ("AF", "AZ", "CF", "CK", "CZ", "XK" Output) 1 or ▶ Add
 329654XKit Cover ("CS", "ZS" Output)1▶ Add
LOOSE PARTS
 328948-44XInstallation Kit ("LA" Input)1▶ Add
 329443-12XInstallation Kit 12 Volt1▶ Add
 329075-1XHose Assembly1▶ Add
 50-P-148Bracket ("LA" Input)1▶ Add

Mounting — manual page 7

ItemPart numberDescriptionQtyOrder
1379429-22Stud Metric Patched M12 1.75" x 2.250"8▶ Add
235-P-115Gasket1▶ Add
3379745Nut Flange .438" 208▶ Add
4378431-12Capscrew HH .375" 16 x 1.250"2▶ Add
550-P-148Bracket CAT1▶ Add

Parts list (page 8) — manual page 8

ItemPart numberDescriptionQtyOrder
 329673-1X("CS") S.A.E. "C" 4-Bolt 1-1/4" 14 Tooth ▶ Add
121-P-742Flange Pump "CS"1▶ Add
2561018Bearing Ball 1.772" x 2.953" x .630"1▶ Add
3379919Lockring1▶ Add
42-P-867Gear Output 44T 1-1/4" 14 Tooth "CS"1▶ Add
5379668Lockring1▶ Add
628-P-278Oil Seal 2.953" x 1.772" x .315"1▶ Add
7379231Plug Pipe .125" 272▶ Add

Parts list (page 9) — manual page 9

ItemPart numberDescriptionQtyOrder
 329673-2X("CK") S.A.E. "B" 2 or 4-Bolt 7/8" 13 Tooth ▶ Add
6 5 2 3 4
121-P-739Flange Pump "CK"1▶ Add
2561018Bearing Ball 1.772" x 2.953" x .630"1▶ Add
3379919Lockring1▶ Add
42-P-877Gear Output 44T 7/8" 13 Tooth "CK"1▶ Add
5379668Lockring1▶ Add
628-P-278Oil Seal 2.953" x 1.772" x .315"1▶ Add
7379231Plug Pipe .125" 272▶ Add

Parts list (page 10) — manual page 10

ItemPart numberDescriptionQtyOrder
 329673-3X("CF") S.A.E. "B" 2 or 4-Bolt 1 .00" 15 Tooth ▶ Add
6 5 1 2 3 4
121-P-739Flange Pump "CF"1▶ Add
2561018Bearing Ball 1.772" x 2.953" x .630"1▶ Add
3379919Lockring1▶ Add
42-P-875Gear Output 44T 1.0" 15 Tooth "CF"1▶ Add
5379668Lockring1▶ Add
628-P-278Oil Seal 2.953" x 1.772" x .315"1▶ Add
7379231Plug Pipe .125" 272▶ Add

Parts list (page 11) — manual page 11

ItemPart numberDescriptionQtyOrder
 329609-4X("XY") DIN 5462 4-Bolt 8 Tooth ▶ Add
6 5 1 2 3 4
121-P-725Flange Pump "XY" DIN 5462 4-Bolt1▶ Add
2561011Bearing Ball 1.770" x 3.346" x .748"  no longer available — call for a replacement1
3378263Lockring1▶ Add
42-P-876Gear Output 8 Tooth Spline1▶ Add
5379555Lockring1▶ Add
628-P-267Oil Seal 2.627" x 1.750" x .312"1▶ Add
7379231Plug Pipe .125" 272▶ Add

Parts list (page 12) — manual page 12

ItemPart numberDescriptionQtyOrder
 329673-5X("CZ") S.A.E. "B" 2 or 4-Bolt 1-1/4" 14 Tooth ▶ Add
6 5 1 2 3
121-P-739Flange Pump "CZ"1▶ Add
2561018Bearing Ball 1.772" x 2.953" x .630"1▶ Add
3379919Lockring1▶ Add
42-P-867Gear Output 44T 1-1/4" 14 Tooth "CZ"1▶ Add
5379668Lockring1▶ Add
628-P-278Oil Seal 2.953" x 1.772" x .315"1▶ Add
7379231Plug Pipe .125" 272▶ Add

Parts list (page 13) — manual page 13

ItemPart numberDescriptionQtyOrder
 329608-1X("XV") S.A.E. 1410 Companion Flange  call to confirm availability 
121-P-736Cap Bearing "XV", "AB", "AC"1▶ Add
2378161Gasket 46001▶ Add
328-P-283Oil Seal 2.754" x 2.000" x .313"1▶ Add
43-1-3431Companion Flange 1410  call to confirm availability1
5380486Nut Nylon Lock Thin .875" 141▶ Add
6561020Bearing Ball 1.574" x 3.149" x .708"1▶ Add
7378836Lockring1▶ Add
835-P-103Gasket Shaft1▶ Add
93-P-1009Shaft Output 10T Straight1▶ Add
10561020Washer1▶ Add

Parts list (page 14) — manual page 14

ItemPart numberDescriptionQtyOrder
 329609-7X("ZS") S.A.E. "C" 4-Bolt 1-1/4" 14 Tooth ▶ Add
121-P-764Flange Pump "ZS"1▶ Add
2561018Bearing Ball 1.772" x 2.953" x .630"1▶ Add
3379919Lockring1▶ Add
42-P-867Gear Output 44T 1-1/4" 14 Tooth "ZS"1▶ Add
5379668Lockring1▶ Add
628-P-278Oil Seal 2.953" x 1.772" x .315"1▶ Add
7379231Plug Pipe .125" 272▶ Add

Bill of Materials — manual page 16

ItemPart numberDescriptionQtyOrder
 328948-44XInstallation Kit ▶ Add
 329654XKit Cover ("XS" Output) ▶ Add
 328946XCaution Label Kit  no longer available — call for a replacement1
 35-P-115Gasket1▶ Add
 34-P-284Plate Cover1▶ Add
 37948690° Elbow1▶ Add
 378433-10Hex Capscrew1▶ Add
 378431-12Capscrew HH .375" 16 x 1.25"2▶ Add
 329658XKit Cover ("XK" Output) ▶ Add
 34-P-285Cover Plate1▶ Add
 329443-12X12V Installation Kit ▶ Add
 35-P-104Gasket Seal1▶ Add
 378881Rocker Switch  no longer available — call for a replacement1
 378433-10Hex Capscrew4▶ Add
 37897812V Indicator Light1▶ Add
 379252Butt Connector1▶ Add
 329659XKit Cover ("XY" Output) ▶ Add
 379257Splice Connector1▶ Add
 379940Shipping Plug1▶ Add
 379265Grommet1▶ Add
 379943Gasket Seal1▶ Add
 379306Spade Terminal3▶ Add
 379579-4Hex Capscrew4▶ Add
 379336Bracket1▶ Add
 379502Pressure Switch1▶ Add
 329678XGear & Plates Kit ▶ Add
 379928Valve Connector1▶ Add
 2-P-858Gear Output 36T1▶ Add
 379900Ass'y Fuse1▶ Add
 379485Disc Friction10▶ Add
 379061XTie Wire Plastic  call to confirm availability1
 380065Clutch Plate9▶ Add
 379061Wire Zip Tie Plastic6▶ Add
 329443-24X24V Installation Kit ▶ Add
 379429-22M12 1.75" x 2.250" x .438" 208▶ Add
 378881Rocker Switch  no longer available — call for a replacement1
 379745Nut Flange8▶ Add
 37900524V Indicator Light  no longer available — call for a replacement1
 379252Butt Connector1▶ Add
 379257Splice Connector1▶ Add
 379265Grommet1▶ Add
 379306Spade Terminal3▶ Add
 379336Bracket1▶ Add
 379502Pressure Switch1▶ Add
 379928Valve Connector1▶ Add
 379900Ass'y Fuse1▶ Add
 379061XTie Wire Plastic  call to confirm availability1
 379061Wire Zip Tie Plastic6▶ 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.
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