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254-0163 MOUNTING GP-PUMP S/N LYR1-UP PART OF 387-1567, 387-1570, 387-1572 VALVE AR-BANK 7, 387-1568, 387-1571, 387-1573 VALVE AR-BANK 8 AN ATTACHMENT 450E


HYDRAULIC SYSTEM
PUMP GP
MOUNTING GP
PUMP GP
TANK GP
LINES GP-PILOT
VALVE GP-BANK

BACKHOE LOADER 450E BACKHOE LOADER LYR
 450E Backhoe Loader LYR00001-UP (MACHINE) POWERED BY C4.4 Engine SEBP6402 450E LYR   (2012)

HYDRAULIC SYSTEM

PUMP GP
DRIVE & MTG GP-PUMP
353-1338 DRIVE & MTG GP-PUMP
KIT-PUMP
262-0347 KIT-PUMP
MOUNTING GP-PUMP
254-0163 MOUNTING GP-PUMP
PUMP & MTG GP-HYDRAULIC
388-6991 PUMP & MTG GP-HYDRAULIC
PUMP GP-GEAR
280-7873 PUMP GP-GEAR
PUMP GP-PISTON
269-9336 PUMP GP-PISTON
ROTATING GP-PUMP
6E-4006 ROTATING GP-PUMP
SHAFT GP-PUMP DRIVE
128-5596 SHAFT GP-PUMP DRIVE
VALVE GP-PUMP CONTROL
296-6723 VALVE GP-PUMP CONTROL
 

#SEBP64020270
 

254-0163: MOUNTING GP-PUMP

254-0163 MOUNTING GP-PUMP
S/N LYR1-UP
PART OF 387-1567, 387-1570, 387-1572 VALVE AR-BANK 7, 387-1568, 387-1571, 387-1573 VALVE AR-BANK 8
AN ATTACHMENT
i04128949 SEBP6402
2540163 MOUNTING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9Y-9380 [1] GASKET  
2. 311-0501 M [5] BOLT (M8X1.25X25-MM)  
3. 8T-4224 [6] WASHER-HARD (8.8X16X2-MM THK)  
4. 8T-6869 M [1] BOLT (M8X1.25X60-MM)  
  M   METRIC PART
 

#SEBP64020271
 

388-6991: PUMP & MTG GP-HYDRAULIC

388-6991 PUMP & MTG GP-HYDRAULIC
S/N LYR1-UP
PART OF 387-1567, 387-1570, 387-1572 VALVE AR-BANK 7, 387-1568, 387-1571, 387-1573 VALVE AR-BANK 8
AN ATTACHMENT
i05029642 SEBP6402
3886991 PUMP & MTG GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 269-9336 Y [1] PUMP GP-PISTON (HYDRAULIC)  
2. 175-7904 [1] SEAL-O-RING  
3. 8T-4122 [2] WASHER-HARD (17X32X3.5-MM THK)  
4. 8T-7338 M [2] BOLT (M16X2X45-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP64020272
 

280-7873: PUMP GP-GEAR

280-7873 PUMP GP-GEAR -BRAKE
S/N LYR1-UP
PART OF 387-1567, 387-1570, 387-1572 VALVE AR-BANK 7, 387-1568, 387-1571, 387-1573 VALVE AR-BANK 8
AN ATTACHMENT
i04129010 SEBP6402
2807873 PUMP GP-GEAR Parts scheme
  For full view, you need register

Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 204-4148 J [1] SEAL-SHAFT  
2. 131-0715 J [1] SEAL-SHAFT  
3. 220-2657 [1] FLANGE  
4. 099-3095 [4] DOWEL  
5. 4W-7356 J [2] SEAL-O-RING  
6. 6E-2943 [1] PLUG  
7. 130-7758 [1] COVER-END  
8. 205-4587 [1] GEAR (33-TEETH)  
9. 5P-8244 [1] WASHER-HARD (12X22.5X2.5-MM THK)  
10. 160-8499 M [1] NUT (M12X1.5-THD)  
11. 176-0798 M [4] BOLT (M10X1.5X94-MM)  
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  201-5242 J [1] KIT-SEAL (GEAR PUMP)(GEAR PUMP)  
    (INCLUDES SEALS & RINGS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP64020273
 

269-9336: PUMP GP-PISTON

269-9336 PUMP GP-PISTON -HYDRAULIC
S/N LYR1-UP
PART OF 388-6991 PUMP & MTG GP-HYDRAULIC
AN ATTACHMENT
i04128969 SEBP6402
2699336 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 280-7869 [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
  6E-6528 [2] SEAL  
  8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  033-6043 [2] SEAL-O-RING  
  280-7870 [1] GASKET  
2. 6E-4006 Y [1] ROTATING GP-PUMP  
3. 6E-4004 [2] SEAL-SHAFT  
4. 180-6213 [1] RING-RETAINING  
5. 162-1604 [1] SHAFT-DRIVE  
6. 3B-5790 [1] CUP-BEARING  
7. 6V-2323 [1] CONE-BEARING  
8. 1P-6872 [1] CUP-BEARING  
9. 109-1779 [1] CONE-BEARING  
10. 6E-4003 [2] BEARING  
11. 262-0347 Y [1] KIT-PUMP (PISTON)  
12. 173-0639 [1] SWASHPLATE AS  
13. 033-6028 [1] SEAL-O-RING  
14. 153-4906 [1] SEAL-O-RING  
15. 9S-8004 [1] PLUG (9/16-18-THD)  
16. 2M-9780 [1] SEAL-O-RING  
17. 3E-6770 [1] SEAL-O-RING  
18. 3E-6769 [4] SEAL-O-RING  
19. 263-5516 J [1] VALVE GP-SOLENOID (12-VOLT)(LOAD SENSING PRESSURE)  
  217-3875 [1] SEAL-O-RING  
  247-7054 [1] COLLAR-LOCKING  
  282-6944 [1] COIL AS  
21. 280-7868 [1] TUBE AS  
  033-5853 [2] SEAL-O-RING  
  296-6720 [2] ADAPTER AS  
22. 280-7872 [1] TUBE AS  
  033-5853 [2] SEAL-O-RING  
  296-6720 [2] ADAPTER AS  
23. 173-0641 [1] PLUG-FILTER  
24. 296-6723 Y [1] VALVE GP-PUMP CONTROL (POWER COMPENSATOR)  
   
    AVAILABLE REPAIR KIT(S):
  251-2429 J [1] KIT-SEAL (SOLENOID VALVE)  
    (INCLUDES SEAL-O-RINGS)
  J   KIT MARKED J SREVICES PARTS MARKED J
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP64020274
 

6E-4006: ROTATING GP-PUMP

6E-4006 ROTATING GP-PUMP
S/N LYR1-UP
PART OF 269-9336 PUMP GP-PISTON
AN ATTACHMENT
i02780608 SEBP6402
6E4006 ROTATING GP-PUMP Parts scheme
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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6E-6154 [1] PLATE-RETRACTION  
2. 6E-6155 [1] BEARING  
3. 6E-6157 [3] PIN  
4. 6E-6151 [9] PISTON AS  
5. 196-0226 [1] BARREL  
6. 120-5724 [1] PLATE-VALVE  
7. 7X-2908 [1] RING-RETAINING  
8. 6E-4009 [1] SPRING  
9. 6E-3341 [2] SEAT-SPRING  
 

#SEBP64020275
 

128-5596: SHAFT GP-PUMP DRIVE

128-5596 SHAFT GP-PUMP DRIVE
S/N LYR1-UP
PART OF 353-1338 DRIVE & MTG GP-PUMP, 359-0398 TRANSMISSION GP-POWER SHIFT
i00521046 SEBP6402
1285596 SHAFT GP-PUMP DRIVE Parts scheme
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Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 130-8150 [1] RING-RETAINING  
 

#SEBP64020276
 

254-0169: TANK & MTG GP-HYDRAULIC

254-0169 TANK & MTG GP-HYDRAULIC
S/N LYR1-UP
PART OF 387-1567, 387-1570, 387-1572 VALVE AR-BANK 7, 387-1568, 387-1571, 387-1573 VALVE AR-BANK 8
AN ATTACHMENT
i04128951 SEBP6402
2540169 TANK & MTG GP-HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-4278 [3] CLAMP-HOSE  
2. 8T-0328 [6] WASHER-HARD (5.5X10X1-MM THK)  
3. 5P-1442 E HOSE (124-CM)  
3A. 5P-1442 E HOSE (9-CM)  
4. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
5. 9M-0164 [1] CLAMP-HOSE  
6. 9R-9925 [1] BREATHER-HYDRAULIC (INLINE)(HYDRAULIC TANK)  
7. 127-4471 [1] CLAMP-HOSE  
8. 132-3056 [1] SEAL-O-RING  
9. 222-4067 [6] BOLT-SOCKET HEAD (M5X0.8X14-MM)  
10. 234-8815 [1] TUBE AS  
11. 235-5843 [1] DIFFUSER AS  
12. 237-3797 [1] CAP-FILL (HYDRAULIC OIL)  
13. 272-0008 [1] TANK GP-HYDRAULIC  
  267-8390 [1] GAUGE GP-SIGHT (HYDRAULIC TANK)  
  236-5189 [2] SEAL-O-RING  
  8F-3469 [2] SEAL-O-RING  
14. 272-8123 [1] BRACKET AS  
15. 274-5726 [1] HOSE  
16. 217-8185 [1] ELBOW AS  
  3K-0360 [1] SEAL-O-RING  
  9X-3982 [1] ELBOW  
17. 6D-3479 [1] CLIP (LOOP)  
18. 8T-4121 [6] WASHER-HARD (11X21X2.5-MM THK)  
19. 8T-4137 M [6] BOLT (M10X1.5X20-MM)  
20. 8T-4139 M [4] BOLT (M12X1.75X30-MM)  
  E   ORDER BY THE CENTIMETER
  M   METRIC PART
 

#SEBP64020277
 

278-7758: VALVE & LINES GP-PILOT

278-7758 VALVE & LINES GP-PILOT -BACKHOE, JOYSTICK
S/N LYR1-UP
PART OF 387-1567 VALVE AR-BANK 7, 387-1568 VALVE AR-BANK 8
AN ATTACHMENT
i04112475 SEBP6402
2787758 VALVE & LINES GP-PILOT Parts scheme
  For full view, you need register

Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-9521 [2] BAND-MARKER (RED, L1)  
2. 4I-9522 [2] BAND-MARKER (YELLOW, L2)  
3. 4I-9523 [2] BAND-MARKER (BLUE, L3)  
4. 4I-9524 [2] BAND-MARKER (BROWN, L4)  
5. 4I-9525 [2] BAND-MARKER (ORANGE, R1)  
6. 4I-9526 [2] BAND-MARKER (WHITE, R2)  
7. 4I-9527 [2] BAND-MARKER (GREEN, R3)  
8. 4I-9528 [2] BAND-MARKER (PURPLE, R4)  
9. 7K-1181 [6] STRAP-CABLE  
10. 267-2758 [2] VALVE GP-PILOT (CONTROL VALVE)  
11. 268-0103 I [1] HOSE AS  
12. 268-0108 I [1] HOSE AS  
13. I [1] HOSE AS  
14. I [1] HOSE AS  
15. 292-0573 I [1] HOSE AS  
16. I [1] HOSE AS  
17. I [1] HOSE AS  
18. 148-8325 [16] CONNECTOR AS  
    (EACH INCLUDES)
  6V-8641 [1] CONNECTOR  
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
19. 268-0109 I [1] HOSE AS  
20. 160-2248 G SLEEVE-ABRASION (18.5-IN)  
20A. 160-2248 G SLEEVE-ABRASION (16.5-IN)  
  G   ORDER BY THE INCH
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
 

#SEBP64020278
 

387-8237: VALVE AR-BANK 2

387-8237 VALVE AR-BANK 2
S/N LYR1-UP
FOR USE WITH @@@@@112-9177@@@@@, @@@@@374-7863@@@@@
CANNOT BE USED WITH @@@@@387-1570@@@@@, @@@@@387-1571@@@@@, @@@@@387-1572@@@@@, @@@@@387-1573@@@@@
AN ATTACHMENT
i05027809 SEBP6402
  For full view, you need register

Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  206-1645 Y [1] CONTROL GP-HYDRAULIC HAND (LOADER)  
  245-8769 Y [1] FASTENER GP-VALVE (BANK)  
  254-0139 Y [1] KICKOUT & POSITIONER GP  
  385-6569 Y [1] LINES GP-STEERING  
  271-0512 Y [1] VALVE GP-BANK 2 (BUCKET CONTROL)  
   
  251-5625 [1] FILM-INSTRUCTION (BUCKET CONTROL)  
    (ON RH CONSOLE)
  Y   SEPARATE ILLUSTRATION
 

#SEBP64020279
 

387-8238: VALVE AR-BANK 2

387-8238 VALVE AR-BANK 2
S/N LYR1-UP
FOR USE WITH @@@@@112-9177@@@@@, @@@@@374-7863@@@@@
CANNOT BE USED WITH @@@@@387-1567@@@@@, @@@@@387-1568@@@@@
AN ATTACHMENT
i05027810 SEBP6402
  For full view, you need register

Parts for your 450E BACKHOE LOADER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  206-1645 Y [1] CONTROL GP-HYDRAULIC HAND (LOADER)  
  245-8769 Y [1] FASTENER GP-VALVE (BANK)  
  346-0059 Y [1] KICKOUT & POSITIONER GP  
  387-7578 Y [1] LINES GP-STEERING  
  342-6662 Y [1] VALVE GP-BANK 2 (BUCKET CONTROL)  
   
  251-5625 [1] FILM-INSTRUCTION (BUCKET CONTROL)  
    (ON RH CONSOLE)
  Y   SEPARATE ILLUSTRATION
 

Information:

Disassembly and Assembly
Vacuum Pump - Remove and Install
C4.4 Engines for Caterpillar Built Machines

Caterpillar Parts SIS Catalog 450E :

MOUNTING GP-LINES
280-1465 MOUNTING GP-LINES
MOUNTING GP-CYLINDER
279-4180 MOUNTING GP-CYLINDER
MOUNTING GP-BANK VALVE
345-3165 MOUNTING GP-BANK VALVE
MOUNTING GP-BANK VALVE
254-0185 MOUNTING GP-BANK VALVE
MANIFOLD GP-RIDE CONTROL
245-8780 MANIFOLD GP-RIDE CONTROL
MANIFOLD GP-CONTROL
348-4578 MANIFOLD GP-CONTROL
MANIFOLD GP-CONTROL
348-4573 MANIFOLD GP-CONTROL
MANIFOLD GP-CONTROL
343-7137 MANIFOLD GP-CONTROL
PUMP & MTG GP-HYDRAULIC
388-6991 PUMP & MTG GP-HYDRAULIC
PUMP GP-GEAR
280-7873 PUMP GP-GEAR
PUMP GP-PISTON
269-9336 PUMP GP-PISTON
ROTATING GP-PUMP
6E-4006 ROTATING GP-PUMP
SHAFT GP-PUMP DRIVE
128-5596 SHAFT GP-PUMP DRIVE
TANK & MTG GP-HYDRAULIC
254-0169 TANK & MTG GP-HYDRAULIC
VALVE & LINES GP-PILOT
278-7758 VALVE & LINES GP-PILOT
387-8237 VALVE AR-BANK 2

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The names Cat, Caterpillar, John Deere, Komatsu, Volvo, Hitachi, Doosan, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
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