450-8671 TRANSMISSION AR-POWER SHIFT S/N LYK1-UP PART OF 450-8633 POWER TRAIN AR AN ATTACHMENT 434F2



POWER TRAIN
TRANSMISSION GP
VALVE GP-FLOW CONTROL
VALVE GP-RELIEF
ELECTRICAL AND STARTING SYSTEM
VALVE GP

BACKHOE LOADER 434F2 BACKHOE LOADER LYK
 434F2 Side Shift Backhoe Loader LYK00001-UP (MACHINE) POWERED BY C4.4 Engine SEBP6830 434F2 LYK   (2013)

POWER TRAIN

TRANSMISSION GP
439-5028 TRANSMISSION AR-POWER SHIFT
450-8667 TRANSMISSION AR-POWER SHIFT
450-8671 TRANSMISSION AR-POWER SHIFT
TRANSMISSION GP-DIRECT DRIVE
366-9443 TRANSMISSION GP-DIRECT DRIVE
TRANSMISSION GP-DIRECT DRIVE
366-9443 TRANSMISSION GP-DIRECT DRIVE
TRANSMISSION GP-DIRECT DRIVE
439-4902 TRANSMISSION GP-DIRECT DRIVE
 

#SEBP68300370
 

450-8671: TRANSMISSION AR-POWER SHIFT

450-8671 TRANSMISSION AR-POWER SHIFT
S/N LYK1-UP
PART OF 450-8633 POWER TRAIN AR
AN ATTACHMENT
i05926008 SEBP6830
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Parts for your 434F2 BACKHOE LOADER:

Pos. Part No Qty Parts name Comments
  353-1417 Y [1] FILLER GP-POWER TRAIN OIL (AUTOSHIFT)  
  437-2619 Y [1] LINES GP-DIFFERENTIAL LOCK  
  421-1923 Y [1] LINES GP-POWER TRAIN COOLER  
  394-7784 Y [1] LINES GP-PUMP (AUTOSHIFT)(AUTOSHIFT)  
  397-1534 Y [1] LINES GP-PILOT  
  460-8770 Y [1] MOUNTING GP-ENGINE & XMSN  
  353-1335 Y [1] SHAFT GP-DRIVE (REAR)  
  353-1337 Y [1] SHAFT GP-DRIVE (FRONT)  
  439-5028 Y [1] TRANSMISSION AR-POWER SHIFT  
  387-6550 Y [1] WIRING GP-TRANSMISSION CONTROL (AUTOSHIFT)(AUTOSHIFT)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68300371
 

366-9443: TRANSMISSION GP-DIRECT DRIVE

366-9443 TRANSMISSION GP-DIRECT DRIVE
S/N LYK1-UP
PART OF 366-9447 TRANSMISSION AR-DIRECT DRIVE
Type 1
AN ATTACHMENT
i05927105 SEBP6830
3669443 TRANSMISSION GP-DIRECT DRIVE Parts scheme
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Parts for your 434F2 BACKHOE LOADER:

Pos. Part No Qty Parts name Comments
1. 392-9465 Y [1] SHAFT GP-OUTPUT  
2. 392-9466 [1] SHAFT AS  
  438-5163 [1] BUSHING  
  6Y-2736 [1] CONE-BEARING  
  6Y-2737 [1] CUP-BEARING  
  394-9485 [1] SHAFT  
3. 426-4361 Y [1] CASE GP-TRANSMISSION  
4. 426-4365 Y [1] PUMP GP-TRANSMISSION  
5. 426-4366 Y [1] CONTROL GP-TRANSMISSION HYD  
6. 426-4367 [1] YOKE GP (FRONT)  
  3P-0648 [1] SEAL-O-RING  
  6V-8097 M [1] BOLT (M12X1.75X30-MM)  
  7T-3195 [1] WASHER (12.3X47X6.35-MM THK)  
  383-7979 [1] YOKE AS  
  [1] GUARD  
7. 426-4368 [1] YOKE GP (REAR)  
  5P-8066 [1] SEAL-O-RING  
  6V-8097 M [1] BOLT (M12X1.75X30-MM)  
  7T-3195 [1] WASHER (12.3X47X6.35-MM THK)  
  430-7997 [1] YOKE AS  
  [1] GUARD  
8. 433-9719 Y [1] SHAFT GP-DRIVE (FORWARD)(FORWARD)  
9. 444-1424 Y [1] SHAFT GP-INPUT  
10. 444-1425 Y [1] SHAFT GP-DRIVE (REVERSE)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP68300372
 

366-9443: TRANSMISSION GP-DIRECT DRIVE

366-9443 TRANSMISSION GP-DIRECT DRIVE
S/N LYK1-UP
PART OF 366-9447 TRANSMISSION AR-DIRECT DRIVE
Type 2
AN ATTACHMENT
i07073047 SEBP6830
3669443 TRANSMISSION GP-DIRECT DRIVE Parts scheme
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Parts for your 434F2 BACKHOE LOADER:

Pos. Part No Qty Parts name Comments
1. 392-9465 Y [1] SHAFT GP-OUTPUT  
2. 392-9466 [1] SHAFT AS  
2A. 438-5163 [1] BUSHING  
  6Y-2736 [1] CONE-BEARING  
  6Y-2737 [1] CUP-BEARING  
  394-9485 [1] SHAFT  
3. 426-4361 Y [1] CASE GP-TRANSMISSION  
4. 426-4365 Y [1] PUMP GP-TRANSMISSION  
5. 426-4366 Y [1] CONTROL GP-TRANSMISSION HYD  
6. 521-5334 CY [1] YOKE GP (FRONT)  
7. 524-1693 CY [1] YOKE GP (REAR)  
8. 433-9719 Y [1] SHAFT GP-DRIVE (FORWARD)(FORWARD)  
9. 444-1424 Y [1] SHAFT GP-INPUT  
10. 444-1425 Y [1] SHAFT GP-DRIVE (REVERSE)  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP68300373
 

439-4902: TRANSMISSION GP-DIRECT DRIVE

439-4902 TRANSMISSION GP-DIRECT DRIVE -ALL WHEEL DRIVE
S/N LYK1-UP
PART OF 439-5027 TRANSMISSION AR-POWER SHIFT
AN ATTACHMENT
i05938838 SEBP6830
4394902 TRANSMISSION GP-DIRECT DRIVE Parts scheme
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Parts for your 434F2 BACKHOE LOADER:

Pos. Part No Qty Parts name Comments
1. 274-4561 Y [1] SHAFT GP-IDLER (POWERSHIFT)  
2. 274-4578 Y [1] SHAFT GP-INPUT (POWERSHIFT)  
3. 274-4580 Y [1] SHAFT GP-COUNTER  
4. 274-4582 Y [1] SHAFT GP-OUTPUT (MAIN)  
5. 439-0978 Y [2] YOKE GP  
6. 443-3872 Y [1] PUMP GP-TRANSMISSION  
7. 449-8082 Y [1] CLUTCH GP  
8. 450-2811 Y [1] CASE & PARTS GP-PLANETARY  
9. 450-2813 Y [1] CONTROL GP-TRANSMISSION HYD  
  Y   SEPARATE ILLUSTRATION
 

#SEBP68300374
 

549-5470: TRANSMISSION GP-DIRECT DRIVE

549-5470 TRANSMISSION GP-DIRECT DRIVE
S/N LYK1-UP
PART OF 366-9447 TRANSMISSION AR-DIRECT DRIVE
AN ATTACHMENT
i07695473 SEBP6830
5495470 TRANSMISSION GP-DIRECT DRIVE Parts scheme
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Parts for your 434F2 BACKHOE LOADER:

Pos. Part No Qty Parts name Comments
1. 392-9466 [1] SHAFT AS  
1A. 438-5163 [1] BUSHING  
  6Y-2736 [1] CONE-BEARING  
  6Y-2737 [1] CUP-BEARING  
  394-9485 [1] SHAFT  
2. 426-4365 Y [1] PUMP GP-TRANSMISSION  
3. 433-9719 Y [1] SHAFT GP-DRIVE (FORWARD)  
4. 444-1424 Y [1] SHAFT GP-INPUT  
5. 444-1425 Y [1] SHAFT GP-DRIVE (REVERSE)  
6. 426-4366 Y [1] CONTROL GP-TRANSMISSION HYD  
7. 521-5334 Y [1] YOKE GP (FRONT)  
8. 524-1693 Y [1] YOKE GP (REAR)  
9. 493-2020 Y [1] SHAFT GP-OUTPUT  
10. 549-6203 Y [1] CASE & PARTS GP-PLANETARY  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
  Y   SEPARATE ILLUSTRATION
 

#SEBP68300375
 

372-9898: VALVE GP-FLOW CONTROL

372-9898 VALVE GP-FLOW CONTROL -FLOW CONTROL
S/N LYK1-UP
PART OF 391-9981 LINES GP-PILOT
AN ATTACHMENT
i07322323 SEBP6830
3729898 VALVE GP-FLOW CONTROL Parts scheme
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Parts for your 434F2 BACKHOE LOADER:

Pos. Part No Qty Parts name Comments
1. 274-8039 [2] VALVE GP-SOLENOID (12-VOLT)(FLOW CONTROL)  
    (EACH INCLUDES)
  274-8034 [1] COIL AS (12-VOLT)  
 

#SEBP68300376
 

147-0209: VALVE GP-RELIEF

147-0209 VALVE GP-RELIEF -CLUTCH PRESSURE
S/N LYK1-UP
PART OF 450-2813, 450-2816 CONTROL GP-TRANSMISSION HYD
AN ATTACHMENT
i00700238 SEBP6830
1470209 VALVE GP-RELIEF Parts scheme
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Parts for your 434F2 BACKHOE LOADER:

Pos. Part No Qty Parts name Comments
1. 7X-4744 [1] SEAL-O-RING  
2. 6V-9178 [1] SEAL-O-RING  
3. 106-9586 [1] SEAL-O-RING  
 

#SEBP68300377
 

278-0209: VALVE GP-SOLENOID

278-0209 VALVE GP-SOLENOID -REVERSE
S/N LYK1-UP
24-VOLT
PART OF 450-2813, 450-2816 CONTROL GP-TRANSMISSION HYD
AN ATTACHMENT
i04611676 SEBP6830
2780209 VALVE GP-SOLENOID Parts scheme
  For full view, you need register

Parts for your 434F2 BACKHOE LOADER:

Pos. Part No Qty Parts name Comments
1. [1] CARRIER  
2. [2] SPRING-CENTERING  
3. [1] HOUSING-VALVE BODY  
4. [1] POPPET  
5. [1] HEAD  
6. [1] SPACER  
7. [1] PISTON  
8. [1] LABEL  
9. [1] PLUG  
10. [2] SPRING  
11. [1] SPOOL  
12. [1] PLUG  
13. [1] PLUG  
14. 8L-6565 [1] PIN-SPRING  
15. [2] PLUG  
16. [4] PLUG  
17. [1] PLUG  
18. [2] WASHER-SPECIAL  
19. [1] SPRING  
20. 336-7524 [1] SEAL-O-RING  
21. 336-7526 [1] SEAL-O-RING  
22. 336-7529 [1] SEAL-O-RING  
23. 8L-2779 [4] SEAL-O-RING  
24. 280-7009 [1] COIL AS (12-VOLT)  
25. 280-7012 [1] SOLENOID AS  
  6V-8399 [1] SEAL-O-RING  
  274-4560 [1] NUT-SELF LOCKING  
 

#SEBP68300378
 

278-0213: VALVE GP-SOLENOID

278-0213 VALVE GP-SOLENOID -CLUTCH 2 SOLENOID
S/N LYK1-UP
12-VOLT
PART OF 450-2813, 450-2816 CONTROL GP-TRANSMISSION HYD
AN ATTACHMENT
i04611677 SEBP6830
2780213 VALVE GP-SOLENOID Parts scheme
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Parts for your 434F2 BACKHOE LOADER:

Pos. Part No Qty Parts name Comments
1. 8L-2779 [4] SEAL-O-RING  
2. 218-3597 [1] PLUG-ORIFICE  
3. 286-0867 [2] SOLENOID AS  
    (EACH INCLUDES)
  6V-8399 [1] SEAL-O-RING  
  274-4560 [1] NUT-SELF LOCKING  
4. 280-7009 [2] COIL AS (12-VOLT)  
 

#SEBP68300379
 

280-7010: VALVE GP-SOLENOID

280-7010 VALVE GP-SOLENOID -TRANSMISSION
S/N LYK1-UP
12-VOLT
PART OF 450-2813, 450-2816 CONTROL GP-TRANSMISSION HYD
AN ATTACHMENT
i04611709 SEBP6830
2807010 VALVE GP-SOLENOID Parts scheme
  For full view, you need register

Parts for your 434F2 BACKHOE LOADER:

Pos. Part No Qty Parts name Comments
1. [2] CARRIER  
2. [2] SPRING-CENTERING  
3. [2] POPPET  
4. [1] BODY-VALVE  
5. [2] HEAD  
6. [2] SPACER  
7. [2] PISTON  
8. [1] LABEL  
9. [2] PLUG  
10. [4] SPRING  
11. [1] SPOOL  
12. [1] PLUG  
13. 8L-6565 [1] PIN-SPRING  
14. [4] PLUG  
15. [6] PLUG  
16. [1] PLUG  
17. [2] WASHER-SPECIAL  
18. [2] SPRING  
19. 336-7526 [2] SEAL-O-RING  
20. 336-7529 [2] SEAL-O-RING  
21. 8L-2779 [4] SEAL-O-RING  
22. 280-7009 [2] COIL AS (12-VOLT)  
23. 280-7012 [2] SOLENOID AS  
    (EACH INCLUDES)
  6V-8399 [1] SEAL-O-RING  
  274-4560 [1] NUT-SELF LOCKING  
 

Information:

Caterpillar Parts SIS Catalog 434F2 :

450-8667 TRANSMISSION AR-POWER SHIFT
439-5028 TRANSMISSION AR-POWER SHIFT
439-5027 TRANSMISSION AR-POWER SHIFT
TRANSMISSION AR-POWER SHIFT
439-4904 TRANSMISSION AR-POWER SHIFT
450-8665 TRANSMISSION AR-DIRECT DRIVE
TRANSMISSION AR-DIRECT DRIVE
366-9447 TRANSMISSION AR-DIRECT DRIVE
TRANSMISSION AR-DIRECT DRIVE
366-9447 TRANSMISSION AR-DIRECT DRIVE
366-9452 TORQUE CONVERTER AR
TRANSMISSION GP-DIRECT DRIVE
366-9443 TRANSMISSION GP-DIRECT DRIVE
TRANSMISSION GP-DIRECT DRIVE
366-9443 TRANSMISSION GP-DIRECT DRIVE
TRANSMISSION GP-DIRECT DRIVE
439-4902 TRANSMISSION GP-DIRECT DRIVE
TRANSMISSION GP-DIRECT DRIVE
549-5470 TRANSMISSION GP-DIRECT DRIVE
VALVE GP-FLOW CONTROL
372-9898 VALVE GP-FLOW CONTROL
VALVE GP-RELIEF
147-0209 VALVE GP-RELIEF
VALVE GP-SOLENOID
278-0209 VALVE GP-SOLENOID
VALVE GP-SOLENOID
278-0213 VALVE GP-SOLENOID