Case IH STX375, STX425, STX450, STX500 Parts Catalog

Issued September, 2004/Revised January, 2006Printed in U.S.A © 2006 CNH America LLC, Racine, WI 53404 U.S.A. STX375, STX425, STX450, STX500 Tractors P.I.N. JEE0099501 and After Parts Catalog 7-7983 (Replaces 7-7982)

Sectional Layout Pictorial Index - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1 Engine- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2 Fuel System- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3 Electrical System - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4 Steering System- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 5 Power Train - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 6 Brakes- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7 Hydraulic System - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 8 Chassis - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 9 Numerical Index - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 10

How to use Your Parts Catalog 1. Figure Number 2. Sequence code within the Figure Number 3. Page number within the Sequence Code 4. Date of Printing (month / year) 5. Figure Description 6. General information regarding the figure 7. Parts supplied in repair kits per symbol reference 8. Figure call-out of the part number (REF) 9. Technical Specifications relating to the part indicated 10. Figure call-out includes bracketed items, the included items may also be listed in the additional description area 11. Orientation - Arrow indicates front of the machine 12. Footnote - Additional information relating to the part number. In this example, 08-20 equals another figure that this part is shown on. 13. Part Number NSS = Non-serviced parts Bracketed numbers = not available as service parts in this market 14. Not Available as service part in this market 15. YR/SN Year Before 01/85 = Part valid for production January 1985 and before From 01/85 = Part valid for production from January 1985 and after BTW 01/85 & 02/02 = Part valid for machines produced between January 1985 and February 2002. Serial Number (P.I.N.) BSN JJC0268800 = Part valid for serial number JJC0268800 and below ASN JJC0268800 = Part valid for serial number JJC0268800 and above BTW JJC0178000 & JJC0179000 = Part valid for serial numbers between JJC0178000 & JJC0179000 16. Total Quantity of the Part referred to in the page. The quantity can be replaced by the following indications: AR = quantity as required X = as required 17. Part Description 18. Additional description of the part to help confirm identification 19. Figure Notes 20. Model Number(s)

Explanation of Abbreviations Abbreviation Meaning adj adjustable amp ampere AR As required ASN Serial number and after / P.I.N. and after barb barb blkhd bulkhead boss boss BSN before serial number / before P.I.N BTW between cc cubic centimetre chain chain cl class cp pt cup point CRS Chrome Alloy Steel CST Carbon Steel cu yd cubic yard deg degree dia diameter dr type drive type dry dry fc face fc sl face seal fem female fem PT female pipe thread fl flare ft feet (or foot) gal gallon(s) gr grade hd head hp horsepower ID inside diameter in inch(es) Inc. includes inv fl inverted flare K kilo kg kilogram L litre lb pound(s) lg long LH left hand LH thd left hand thread links links M (prefix) metric thread size m metre male male mm millimetre NF National Fine No. number NS National Super Fine OD outside diameter ohm electrical unit of resis- tance Or O-ring orifice orifice P pitch piece piece psi pounds per square inch PT pipe thread rd round rd holes round holes RH right hand RH thd right hand thread rpm revolutions per minute Abbreviation Meaning

Dimensions Metric and U.S. hardware dimensions do not show the numeric designations of standard coarse threads. A number following a semi colon (;) is the class or grade of hardware. A comma (,) represents the decimal point (.) used in U.S. dimensions. sl self locking slat slat spool spool sq square SST Stainless Steel st self tapping stem stem strk stroke sw swivel T teeth Teflon Teflon thin thin thk thick tpr taper Abbreviation Meaning tube tube type type V volt(s) W watt(s) way way wide wide X as required yd yard Abbreviation Meaning Explanation of Abbreviations

ALPHABETICAL INDEX FIGURE SEQUENCE 400 SERIES AXLE - PARK BRAKE CIRCUIT, WITH DIFFERENTIAL LOCK, BSN JEE0102001 07-05 400 SERIES AXLE - PARK BRAKE CIRCUIT, WITHOUT DIFFERENTIAL LOCK, BSN JEE0102001 07-04 400 SERIES AXLE - SERVICE BRAKE CIRCUIT 07-03 400 SERIES AXLE ASSEMBLY - BRAKE AND RIGHT-HAND CARRIER 06-71 400 SERIES AXLE ASSEMBLY - CENTER AND LEFT-HAND CARRIER 06-68 400 SERIES AXLE ASSEMBLY - DIFFERENTIAL, WITH DIFFERENTIAL LOCKS 06-70 400 SERIES AXLE ASSEMBLY - DIFFERENTIAL, WITHOUT DIFFERENTIAL LOCKS 06-69 400 SERIES AXLE ASSEMBLY - FINAL DRIVE 06-72 400 SERIES AXLE ASSEMBLY - FRONT COVER 06-66 400 SERIES AXLE ASSEMBLY - REAR COVER 06-67 400 SERIES AXLE HYDRAULICS - LUBRICATION AND COOLING CIRCUIT, BSN JEE0102001 08-06 400 SERIES AXLE HYDRAULICS - LUBRICATION CIRCUIT, ASN JEE0106701 08-05 02 400 SERIES AXLE HYDRAULICS - LUBRICATION CIRCUIT, BSN JEE0102001 08-05 500 SERIES AXLE - PARK BRAKE CIRCUIT, WITH DIFFERENTIAL LOCK, BSN JEE0102001, QUADTRAC TRACTOR 07-11 500 SERIES AXLE - PARK BRAKE CIRCUIT, WITH DIFFERENTIAL LOCK, BSN JEE0102001, WHEEL TRACTOR 07-08 500 SERIES AXLE - PARK BRAKE CIRCUIT, WITHOUT DIFFERENTIAL LOCK, BSN JEE0102001, QUADTRAC TRACTOR 07-10 500 SERIES AXLE - PARK BRAKE CIRCUIT, WITHOUT DIFFERENTIAL LOCK, BSN JEE0102001, WHEEL TRACTOR 07-07 500 SERIES AXLE - SERVICE BRAKE CIRCUIT, QUADTRAC TRACTOR 07-09 500 SERIES AXLE - SERVICE BRAKE CIRCUIT, WHEEL TRACTOR 07-06 500 SERIES AXLE ASSEMBLY - BRAKE AND RIGHT-HAND CARRIER 06-79 500 SERIES AXLE ASSEMBLY - CENTER AND LEFT-HAND CARRIER, QUADTRAC TRACTOR 06-76 500 SERIES AXLE ASSEMBLY - CENTER AND LEFT-HAND CARRIER, WHEEL TRACTOR 06-75 500 SERIES AXLE ASSEMBLY - DIFFERENTIAL, WITHOUT DIFFERENTIAL LOCKS 06-77 500 SERIES AXLE ASSEMBLY - DIFFERENTIAL, WITH DIFFERENTIAL LOCKS 06-78 500 SERIES AXLE ASSEMBLY - FINAL DRIVE, QUADTRAC TRACTOR, ASN JEE0106701 06-82 01 500 SERIES AXLE ASSEMBLY - FINAL DRIVE, QUADTRAC TRACTOR, BSN JEE0106701 06-82 500 SERIES AXLE ASSEMBLY - FINAL DRIVE, WHEELED TRACTOR 06-81 500 SERIES AXLE ASSEMBLY - FRONT COVER 06-73 500 SERIES AXLE ASSEMBLY - OFFSET BEARING, QUADTRAC TRACTOR 06-80 500 SERIES AXLE ASSEMBLY - REAR COVER 06-74 500 SERIES AXLE HYDRAULICS - AIR AND LUBRICATION CIRCUIT, ASN JEE0102001, QUADTRAC TRACTOR 08-10 01 500 SERIES AXLE HYDRAULICS - COOLING CIRCUIT, ASN JEE0102001, QUADTRAC TRACTOR 08-10 02 500 SERIES AXLE HYDRAULICS - LUBRICATION AND COOLING CIRCUIT, BSN JEE0102001, QUADTRAC TRACTOR 08-10 500 SERIES AXLE HYDRAULICS - LUBRICATION AND COOLING CIRCUIT, BSN JEE0102001, WHEEL TRACTOR 08-08 500 SERIES AXLE HYDRAULICS - LUBRICATION CIRCUIT, ASN JEE0106701, QUADTRAC TRACTOR 08-09 02 500 SERIES AXLE HYDRAULICS - LUBRICATION CIRCUIT, ASN JEE0106701, WHEEL TRACTOR 08-07 02

ALPHABETICAL INDEX FIGURE SEQUENCE 500 SERIES AXLE HYDRAULICS - LUBRICATION CIRCUIT, BSN JEE0102001, QUADTRAC TRACTOR 08-09 500 SERIES AXLE HYDRAULICS - LUBRICATION CIRCUIT, BSN JEE0102001, WHEEL TRACTOR 08-07 500 SERIES AXLE HYDRAULICS - LUBRICATION CIRCUIT, BTW JEE0102001 & JEE0106701, QUADTRAC TRACTOR 08-09 01 ACCUGUIDE - CYLINDER ASSY., ARTICULATION W/ SENSOR 05-10 ACCUGUIDE - HYDRAULIC, STEERING 05-09 ACCUGUIDE - MANIFOLD / STEERING VALVE & MOUNTING 05-11 ACCUGUIDE - VIRTUAL TERMINAL & RELATED PARTS, ASN JEE0106701 04-33 01 ACCUGUIDE - VIRTUAL TERMINAL & RELATED PARTS, BSN JEE0106701 04-33 ACCUGUIDE, GPS - MOUNTING, ASN JEE0106701 04-32 01 ACCUGUIDE, GPS - MOUNTING, BSN JEE0106701 04-32 AIR CLEANER ASSEMBLY 02-07 AIR CONDITIONING - AIR FILTER HOUSING ASSEMBLY 09-49 AIR CONDITIONING - BLOWER ASSEMBLY 09-50 AIR CONDITIONING - CLIMATE CONTROL UNIT, WITH AUTO TEMP CONTROL, ASN JEE0106701 09-48 01 AIR CONDITIONING - CLIMATE CONTROL UNIT, WITH AUTO TEMP CONTROL, BSN JEE0106701 09-48 AIR CONDITIONING - CLIMATE CONTROL UNIT, WITHOUT AUTO TEMP CONTOL, ASN JEE0106701 09-47 01 AIR CONDITIONING - CLIMATE CONTROL UNIT, WITHOUT AUTO TEMP CONTOL, BSN JEE0106701 09-47 AIR CONDITIONING - DUCTS 09-46 AIR CONDITIONING SYSTEM 09-45 AIR COOLER 02-06 AIR INDUCTION SYSTEM - QUADTRAC TRACTOR 02-05 02 AIR INDUCTION SYSTEM - WHEEL TRACTOR 02-05 01 ALARM - BACK-UP 04-31 ALTERNATOR - MOUNTING, 135 AMPERE 04-06 01 ALTERNATOR - MOUNTING, 185 AMPERE 04-06 02 ALTERNATOR ASSEMBLY - 135 AMPERE 04-07 ARTICULATION LOCKS 05-04 AXLE ASSEMBLY - FRONT IDLER, QUADTRAC TRACTOR, ASN JEE0107427 06-11 01 AXLE ASSEMBLY - FRONT IDLER, QUADTRAC TRACTOR, BSN JEE0107427 06-11 AXLE ASSEMBLY - JET PUMP 06-83 AXLE ASSEMBLY - REAR IDLER, QUADTRAC TRACTOR, ASN JEE0107427 06-12 01 AXLE ASSEMBLY - REAR IDLER, QUADTRAC TRACTOR, BSN JEE0107427 06-12 AXLE ASSY. - ROLLER SHAFT 06-12 02 AXLE MOUNTING, WHEEL TRACTOR 06-65 BATTERIES - QUADTRAC TRACTOR, BSN JEE0104001 04-15 02 BATTERIES - WHEEL TRACTOR, BSN JEE0104001 04-15 01 BATTERY DOOR ASSEMBLY, QUADTRAC TRACTOR 09-34 BATTERY DOOR ASSEMBLY, QUADTRAC TRACTOR, STX500 09-34 01 BATTERY DOOR ASSEMBLY, WHEEL TRACTOR 09-32 BRAKE CONTROL 07-01 BRAKE VALVE ASSY 07-02 BUMPER 09-35 CAB - FLOORMATS AND DOORS 09-15 CAB - HEADLINER AND CONTROL PANEL, DELUXE AND LUXURY CAB 09-20 CAB - HEADLINER AND CONTROL PANEL, STANDARD CAB 09-19 CAB - SKIRTS AND GLASS 09-17

ALPHABETICAL INDEX FIGURE SEQUENCE CAB MOUNTING 09-12 CABLE - TOW VALVE 08-39 CENTER LINK 09-40 CLUTCH PEDAL, MANUAL SHIFT TRANSMISSION 06-02 CLUTCH PEDAL, POWER SHIFT TRANSMISSION 06-01 CONSOLE - RIGHT HAND ARMREST, ELECTRIC 09-23 CONSOLE - RIGHT-HAND ARMREST, MANUAL 09-22 CONTROL PANEL - COMPONENTS, ASN JEE0106701 04-16 01 CONTROL PANEL - COMPONENTS, BSN JEE0106701 04-16 CONTROLS - MANUAL HYDRAULIC REMOTES, BSN JEE0102592 08-15 CONTROLS - RIGHT HAND CONSOLE, ASN JEE0106701 04-01 01 CONTROLS - RIGHT HAND CONSOLE, BSN JEE0106701 04-01 COUPLER MOUNTS - WITHOUT POWER TAKEOFF AND THREE POINT HITCH 06-60 COUPLER VALVE ASSEMBLY 08-33 CYLINDER ASSEMBLY - ARTICULATION 05-02 CYLINDER ASSY - THREE POINT HITCH 08-42 DECALS 09-57 DECALS 09-58 DECALS 09-59 DECALS 09-60 DOOR ASSEMBLY 09-16 DRAWBAR - EXTENDABLE 09-08 DRAWBAR - HEAVY DUTY, WITH THREE POINT HITCH 09-10 DRAWBAR - HEAVY DUTY, WITHOUT THREE POINT HITCH 09-09 DRAWBAR - REYNOLDS, ASN JEE0102001 09-11 01 DRAWBAR - REYNOLDS, BSN JEE0102001 09-11 DRIVE SHAFT 06-54 DRIVE SHAFT - MOUNTING 06-53 DRIVE WHEEL, QUADTRAC TRACTOR 06-13 ELECTRONIC MODULE ASSEMBLY 04-24 ENGINE - BLOCK HEATER 02-08 ENGINE - MOUNTING AND ATTACHING PARTS 02-10 ETHER START SYSTEM 02-04 EXHAUST SYSTEM - QUADTRAC TRACTOR 02-09 02 EXHAUST SYSTEM - WHEEL TRACTOR 02-09 01 FRONT CONSOLE 09-21 FRONT FRAME, QUADTRAC TRACTOR 09-33 FRONT FRAME, WHEEL TRACTOR 09-31 FUEL LINES 03-03 GEAR PUMP ASSEMBLY 08-27 GRILLE 09-42 GROUND SPEED SENSOR 04-09 HARNESS - ADVANCED FARMING SYSTEMS, ASN JEE0106701 04-30 01 HARNESS - ADVANCED FARMING SYSTEMS, BSN JEE0106701 04-30 HARNESS - CAB ROOF 04-26 HARNESS - ENGINE, ASN JEE0104001 04-21 01 HARNESS - ENGINE, BSN JEE0104001 04-21 HARNESS - FRONT CONSOLE 04-25 HARNESS - FRONT FRAME, ASN JEE0104001 04-20 01 HARNESS - FRONT FRAME, BSN JEE0104001 04-20 HARNESS - MAIN CAB, DELUXE AND LUXURY CABS 04-23 HARNESS - MAIN CAB, STANDARD CAB 04-22 HARNESS - REAR FRAME, WITH ELECTRONIC REMOTE AND THREE POINT HITCH 04-29