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389-3121 VALVE GP-CONTROL -BOOM S/N NSB1-UP PART OF 389-3138 VALVE GP-MAIN CONTROL AN ATTACHMENT 420F2


HYDRAULIC SYSTEM
VALVE GP-CONTROL
PUMP GP
VALVE GP-SOLENOID
ELECTRICAL AND STARTING SYSTEM
VALVE GP
IMPLEMENTS
ARM GP

BACKHOE LOADER 420F2 BACKHOE LOADER NSB
 420F2 ADL (Air Deployable Loader) NSB00001-UP (MACHINE) POWERED BY 3054C Engine M0094310 420F2 NSB   (2018)

HYDRAULIC SYSTEM

VALVE GP-CONTROL
VALVE GP-CONTROL
389-3116 VALVE GP-CONTROL
VALVE GP-CONTROL
389-3120 VALVE GP-CONTROL
VALVE GP-CONTROL
389-3121 VALVE GP-CONTROL
VALVE GP-CONTROL
389-3142 VALVE GP-CONTROL
VALVE GP-CONTROL
449-1626 VALVE GP-CONTROL
VALVE GP-CONTROL
449-1627 VALVE GP-CONTROL
 

#M00943100270
 

389-3121: VALVE GP-CONTROL

389-3121 VALVE GP-CONTROL -BOOM
S/N NSB1-UP
PART OF 389-3138 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i05284595 M0094310
3893121 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 420F2 BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 350-8841 [1] KIT-COMPENSATOR (CONTROL VALVE)  
  6V-7970 [1] SEAL-O-RING  
  8C-3106 [1] SEAL-O-RING  
2. 308-2873 [1] KIT-COVER (CONTROL VALVE)  
  6C-9052 M [8] BOLT-SOCKET HEAD (M6X1X16-MM)  
  188-2042 [2] SEAL-O-RING  
    (ALSO INCLUDES SPRINGS, SPRING RETAINERS & COVERS)
3. 396-4900 [1] VALVE GP-RELIEF (BUCKET CONTROL)  
  4D-2297 [1] SEAL-O-RING  
4. 396-4902 [1] VALVE GP-RELIEF (PILOT OPERATED)  
  204-6353 [1] KIT-SEAL (VALVE)  
    (INCLUDES LOCKNUTS, O-RING SEALS & BACKUP RINGS)
5. 396-4903 [1] POPPET AS  
  M   METRIC PART
 

#M00943100271
 

389-3142: VALVE GP-CONTROL

389-3142 VALVE GP-CONTROL -STABILIZER
S/N NSB1-UP
PART OF 398-2692 CONTROL AR-STABILIZER
AN ATTACHMENT
i05904879 M0094310
3893142 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 420F2 BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9T-0556 [2] SEAL  
2. 437-2891 [2] VALVE GP-CHECK  
    (EACH INCLUDES)
  437-2895 [1] KIT-SEAL  
    (INCLUDES O-RINGS & BACK UP RING)
3. 437-2887 [2] LEVER GP-CONTROL VALVE (STABILIZER)  
    (EACH INCLUDES)
3A. 437-2888 [1] PIN  
4. 437-2892 [4] PISTON  
5. 437-2896 [4] SEAL-O-RING  
6. 437-2890 [2] VALVE GP-CHECK  
    (EACH INCLUDES)
  437-2895 [1] KIT-SEAL  
    (INCLUDES O-RINGS & BACK UP RING)
7. 437-2893 [2] KIT-COVER  
    (EACH INCLUDES WIPER SEAL, O-RING, PLATE SEAL, SPRINGS, SPOOL END AS, SPOOL CAP & BOLTS)
8. 9S-8007 [1] PLUG  
9. 7J-0204 [1] SEAL-O-RING  
10. 8T-0269 M [4] BOLT-SOCKET HEAD (M6X1X20-MM)  
11. 6V-5683 M [4] BOLT (M6X1X16-MM)  
  M   METRIC PART
 

#M00943100272
 

449-1626: VALVE GP-CONTROL

449-1626 VALVE GP-CONTROL -STICK
S/N NSB1-UP
PART OF 389-3138 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i05585549 M0094310
4491626 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 420F2 BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 350-8841 [1] KIT-COMPENSATOR (CONTROL VALVE)  
  6V-7970 [1] SEAL-O-RING  
  8C-3106 [1] SEAL-O-RING  
2. 308-2873 [1] KIT-COVER (CONTROL VALVE)  
  6C-9052 M [8] BOLT-SOCKET HEAD (M6X1X16-MM)  
  188-2042 [2] SEAL-O-RING  
    (ALSO INCLUDES SPRINGS, SPRRING RETAINERS & COVERS)
3. 308-2883 [1] VALVE GP-RELIEF (SWING CONTROL)  
  4D-2297 [1] SEAL-O-RING  
4. 373-6999 [1] VALVE GP-RELIEF (EXTENDABLE STICK, AUXILIARY)  
  8J-2413 [1] SEAL-O-RING  
  095-1751 [1] SEAL-O-RING  
  169-1616 [1] RING-BACKUP  
5. 396-4903 [1] POPPET AS  
  M   METRIC PART
 

#M00943100273
 

449-1627: VALVE GP-CONTROL

449-1627 VALVE GP-CONTROL -BUCKET
S/N NSB1-UP
PART OF 389-3138 VALVE GP-MAIN CONTROL
AN ATTACHMENT
i05585550 M0094310
4491627 VALVE GP-CONTROL Parts scheme
  For full view, you need register

Parts for your 420F2 BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 350-8841 [1] KIT-COMPENSATOR (CONTROL VALVE)  
  6V-7970 [1] SEAL-O-RING  
  8C-3106 [1] SEAL-O-RING  
2. 308-2873 [1] KIT-COVER (CONTROL VALVE)  
  188-2042 [2] SEAL-O-RING  
  6C-9052 M [8] BOLT-SOCKET HEAD (M6X1X16-MM)  
    (ALSO INCLUDES SPRINGS, SPRING RETAINERS & COVERS)
3. 396-4900 [2] VALVE GP-RELIEF (BUCKET CONTROL)  
    (EACH INCLUDES)
  4D-2297 [1] SEAL-O-RING  
  M   METRIC PART
 

#M00943100274
 

389-3138: VALVE GP-MAIN CONTROL

389-3138 VALVE GP-MAIN CONTROL
S/N NSB1-UP
PART OF 396-9775 VALVE & MTG GP-BANK
AN ATTACHMENT
i05927189 M0094310
3893138 VALVE GP-MAIN CONTROL Parts scheme
  For full view, you need register

Parts for your 420F2 BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 335-6327 [1] COVER  
2. 389-3115 Y [1] VALVE GP-CONTROL (AUXILIARY)  
3. 389-3116 Y [1] VALVE GP-CONTROL (EXTENDABLE STICK)  
4. 449-1626 Y [1] VALVE GP-CONTROL (STICK)  
5. 449-1627 Y [1] VALVE GP-CONTROL (BUCKET)  
6. 389-3120 Y [1] VALVE GP-CONTROL (SWING)  
7. 389-3121 Y [1] VALVE GP-CONTROL (BOOM)  
8. 479-0576 [1] MANIFOLD GP-CONTROL (OUTLET)  
  479-0581 [1] KIT-REGULATOR  
    (INCLUDES O-RING SEAL, CAP, SPRING, SHIMS & SPOOL)
9. 335-7519 [1] KIT-FASTENER (6-BANK)  
    (INCLUDES LOCKNUTS & TIE RODS)
10. 4J-9535 [7] SEAL-O-RING  
11. 6V-8978 [21] SEAL-O-RING  
  Y   SEPARATE ILLUSTRATION
 

#M00943100275
 

398-7457: VALVE GP-PUMP CONTROL

398-7457 VALVE GP-PUMP CONTROL -FLOW COMPENSATOR
S/N NSB1-UP
PART OF 398-7480 PUMP GP-PISTON
i05762121 M0094310
3987457 VALVE GP-PUMP CONTROL Parts scheme
  For full view, you need register

Parts for your 420F2 BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
2. 280-7870 [1] GASKET  
3. 6E-6528 J [2] SEAL  
4. 9S-8002 [1] PLUG (7/16-20-THD)  
5. 3J-7354 [1] SEAL-O-RING  
6. 033-6043 J [1] SEAL-O-RING  
7. 6V-6339 J [1] SEAL-O-RING  
8. 213-9803 [1] PLUG-ORIFICE  
   
    AVAILABLE REPAIR KIT(S):
  293-8350 J [1] KIT-SEAL (FLOW COMPENSATOR)  
    (ALSO INCLUDES O-RINGS & BACKUP RINGS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M00943100276
 

359-7225: VALVE GP-SOLENOID

359-7225 VALVE GP-SOLENOID -AUXILIARY
S/N NSB1-UP
12-VOLT
PART OF 337-9816 VALVE & MTG GP-SOLENOID
AN ATTACHMENT
i05426622 M0094310
3597225 VALVE GP-SOLENOID Parts scheme
  For full view, you need register

Parts for your 420F2 BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 257-0464 CJ [1] VALVE GP-PRESSURE REDUCING (BRAKE)  
2. 362-3212 [6] VALVE GP-SOLENOID (12 VDC)(AUXILIARY)  
3. 109-1393 M [14] BOLT-SOCKET HEAD (M4X0.7X10-MM)  
4. 373-6995 [1] VALVE GP-SOLENOID (12-VOLT)(PILOT SHUTOFF)  
   
    AVAILABLE REPAIR KIT(S):
  236-5753 J [1] KIT-SEAL  
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#M00943100277
 

563-4604: VALVE GP-SOLENOID

563-4604 VALVE GP-SOLENOID
S/N NSB1-UP
PART OF 554-0980 LINES GP-AUXILIARY HYDRAULIC
AN ATTACHMENT
i07415205 M0094310
5634604 VALVE GP-SOLENOID Parts scheme
  For full view, you need register

Parts for your 420F2 BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 273-3525 [1] VALVE GP-SOLENOID (SIDESHIFT, LOCK-UNLOCK)  
  6R-5640 [1] CARTRIDGE  
  238-4628 [1] COIL AS (12-VOLT)  
  141-0888 [1] KIT-SEAL (RIDE CONTROL)  
    (INCLUDES SEAL-O-RINGS & BACK-UP RING)
2. 317-3848 J [1] VALVE GP-RELIEF (WORK TOOL)  
3. 194-7072 [1] VALVE AS-CHECK  
   
    AVAILABLE REPAIR KIT(S):
  148-9363 J [1] KIT-SEAL  
    (INCLUDES O-RINGS & BACKUP RING)
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#M00943100278
 

358-2091: VALVE GP-SOLENOID & MANIFOLD

358-2091 VALVE GP-SOLENOID & MANIFOLD -QUICK COUPLER
S/N NSB1-UP
PART OF 445-0195 LINES GP-COUPLER
AN ATTACHMENT
i05004154 M0094310
3582091 VALVE GP-SOLENOID & MANIFOLD Parts scheme
  For full view, you need register

Parts for your 420F2 BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 384-1039 [1] VALVE GP-CHECK (QUICK COUPLER)  
2. 368-1278 [2] VALVE GP-SOLENOID (12-VOLT)(QUICK COUPLER)  
3. 368-1279 [1] VALVE GP-PRESSURE REDUCING (QUICK COUPLER)  
4. 244-1540 [1] PLUG-ORIFICE  
5. 4J-7533 [5] SEAL-O-RING  
6. 9S-4180 [5] PLUG  
 

#M00943100279
 

556-2976: ARM GP-LIFT

556-2976 ARM GP-LIFT
S/N NSB1-UP
PART OF 556-9118 LOADER AR
i07414375 M0094310
5562976 ARM GP-LIFT Parts scheme
  For full view, you need register

Parts for your 420F2 BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8488 [2] FITTING-GREASE (1/8-27 PTF)  
2. 3B-8489 [20] FITTING-GREASE (1/8-27 PTF)  
3. 105-3479 M [4] BOLT-SOCKET HEAD (M10X1.5X90-MM)  
4. 111-4337 B [40] WASHER (46X70X1-MM THK)  
5. 128-7903 B [2] SPACER (61X114.3X3-MM THK)  
6. 128-7905 B [3] SPACER (61X114.3X1-MM THK)  
7. 556-2977 [1] ARM & BEARING AS-LIFT  
  242-5318 [2] CHAIN AS  
  340-1789 [1] ARM & BEARING AS  
7A. 9R-0411 [12] BUSHING  
8. 341-6152 [1] PIN  
9. 358-4817 [2] LINK AS  
    (EACH INCLUDES)
9A. 9R-0153 [2] BUSHING  
9B. 9R-3700 [2] BUSHING  
10. 358-4842 [4] PLATE  
11. 358-5379 [2] LINK AS  
    (EACH INCLUDES)
11A. 9R-0153 [4] BUSHING  
12. 358-5381 [4] PLATE  
13. 360-2813 [6] PIN  
14. 360-2814 [4] PIN  
15. 362-8709 B [2] PLUG-BUTTON  
16. 360-2815 [2] PIN  
17. 360-2816 [4] PIN  
18. 360-2820 [4] SPACER (46X63.5X22-MM THK)  
19. 370-0495 M [8] NUT-SPECIAL (M8X1.25-THD)  
20. 372-5024 [2] PLATE  
21. 372-5085 [2] PIN AS  
22. 373-8390 B [8] SHIM (1-MM THK)  
23. 6V-3213 [24] RING-RETAINING  
24. 6V-4364 [4] RING-RETAINING  
25. 6V-7744 M [4] LOCKNUT (M10X1.5-THD)  
26. 7X-0542 B [10] WASHER-HARD (51X74X3-MM THK)  
27. 7X-0590 [2] WASHER-HARD (13.5X44.5X6-MM THK)  
28. 8T-4139 M [6] BOLT (M12X1.75X30-MM)  
29. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
30. 9R-0158 B [25] WASHER (46X69X3-MM THK)  
31. 258-9999 [2] FILM-IDENTIFICATION (LIFT EYE LOCATION)  
  B   USE AS REQUIRED
  M   METRIC PART
 

Information:

Tool Operating Manual
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Service Magazine
The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

Caterpillar Parts SIS Catalog 420F2 :

VALVE GP-CONTROL
389-3120 VALVE GP-CONTROL
VALVE GP-CONTROL
389-3116 VALVE GP-CONTROL
VALVE GP-CONTROL
389-3115 VALVE GP-CONTROL
VALVE GP-CONTROL
363-9809 VALVE GP-CONTROL
VALVE GP-CONTROL
363-9808 VALVE GP-CONTROL
VALVE GP-CONTROL
363-9807 VALVE GP-CONTROL
VALVE GP-CONTROL
359-7228 VALVE GP-CONTROL
VALVE GP-BANK 3
359-7211 VALVE GP-BANK 3
VALVE GP-CONTROL
389-3142 VALVE GP-CONTROL
VALVE GP-CONTROL
449-1626 VALVE GP-CONTROL
VALVE GP-CONTROL
449-1627 VALVE GP-CONTROL
VALVE GP-MAIN CONTROL
389-3138 VALVE GP-MAIN CONTROL
VALVE GP-PUMP CONTROL
398-7457 VALVE GP-PUMP CONTROL
VALVE GP-SOLENOID
359-7225 VALVE GP-SOLENOID
VALVE GP-SOLENOID
563-4604 VALVE GP-SOLENOID
VALVE GP-SOLENOID & MANIFOLD
358-2091 VALVE GP-SOLENOID & MANIFOLD
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