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347-7434 PISTON & ROD GP S/N NHT1-UP 16:1 COMPRESSION RATIO PART OF 388-3924 ENGINE AR-CORE 844K WHEEL DOZER




BASIC ENGINE

PISTON & ROD GP
 

#SEBP67480100
 

347-7434: PISTON & ROD GP

347-7434 PISTON & ROD GP
S/N NHT1-UP
16:1 COMPRESSION RATIO
PART OF 388-3924 ENGINE AR-CORE
i03834792 SEBP6748
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 150-1156 [1] BOLT-SPECIAL (OIL JET)  
2. 524-5565 [1] PIN-PISTON  
3. 232-3226 [1] BEARING-CONNECTING ROD (STANDARD)  
  341-0060 AB BEARING-CONNECTING ROD (0.63-MM US)  
4. 232-3232 [1] ROD AS  
  213-3217 M [4] BOLT (M11X1.25X84-MM)  
  219-4458 [2] PIN-DOWEL  
5. 250-2940 [2] RETAINER-PIN  
6. 357-7163 [1] TUBE AS-OIL JET  
7. 306-4014 [1] RING-PISTON (OIL)  
8. 306-4016 [1] RING-PISTON (INTERMEDIATE)  
9. 310-4188 [1] RING-PISTON (TOP)  
10. 381-9249 [1] BODY AS-PISTON  
  A   NOT PART OF THIS GROUP
  B   USE AS REQUIRED
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP67480101
 

272-6645: PLUG GP-CYLINDER BLOCK

272-6645 PLUG GP-CYLINDER BLOCK
S/N NHT1-UP; NZT1-UP
PART OF 380-2453 ENGINE AR, 383-6810, 388-0687, 388-0688, 388-0689 ENGINE AR-COMPLETE
i02372078 SEBP6748
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-4589 [2] SEAL-O-RING  
2. 183-3407 [3] PLUG AS  
    (EACH INCLUDES)
  9S-8004 [1] PLUG (9/16-18-THD)  
  214-7568 [1] SEAL-O-RING  
3. 307-2671 [1] PLUG AS  
  9S-8002 [1] PLUG (7/16-20-THD)  
  214-7566 [1] SEAL-O-RING  
4. 9S-8006 [2] PLUG (7/8-14-THD)  
 

#SEBP67480102
 

272-6646: PLUG GP-CYLINDER BLOCK

272-6646 PLUG GP-CYLINDER BLOCK
S/N NHT1-UP; NZT1-UP
PART OF 380-2453 ENGINE AR, 383-6810, 388-0687, 388-0688, 388-0689 ENGINE AR-COMPLETE
i02390704 SEBP6748
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6V-4589 [1] SEAL-O-RING  
2. 183-3407 [1] PLUG AS  
  9S-8004 [1] PLUG (9/16-18-THD)  
  214-7568 [1] SEAL-O-RING  
3. 9S-8006 [1] PLUG (7/8-14-THD)  
 

#SEBP67480103
 

223-6407: PLUG GP-CYLINDER HEAD

223-6407 PLUG GP-CYLINDER HEAD
S/N NZT1-UP
PART OF 383-6810, 388-0687, 388-0688, 388-0689 ENGINE AR-COMPLETE
i02040812 SEBP6748
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-0645 [4] PLUG-CUP (32.08-MM OD)  
 

#SEBP67480104
 

372-1029: PLUG GP-CYLINDER HEAD

372-1029 PLUG GP-CYLINDER HEAD
S/N NHT1-UP
PART OF 380-2453 ENGINE AR
i04324334 SEBP6748
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-0645 [3] PLUG-CUP (32.08-MM OD)  
2. 353-5126 [3] PLUG AS  
    (EACH INCLUDES)
  6V-6609 [1] SEAL-O-RING  
  9S-8005 [1] PLUG (3/4-16-THD)  
 

#SEBP67480105
 

450-5259: PLUG GP-OIL PAN

450-5259 PLUG GP-OIL PAN
S/N NHT1-UP; NZT1-UP
PART OF 380-2453 ENGINE AR, 383-6810, 388-0687, 388-0688, 388-0689 ENGINE AR-COMPLETE
i05584270 SEBP6748
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4P-0519 [1] ADAPTER AS-DRAIN  
  109-5839 [1] PLUG-DRAIN  
  109-5840 [1] ADAPTER-PLUG  
2. 239-5572 [2] SEAL-INTEGRAL  
3. 0S-1587 [2] BOLT (1/2-13X1.75-IN)  
4. 0S-1588 [2] BOLT (3/8-16X1.25-IN)  
5. 1A-2029 [2] BOLT (3/8-16X1.125-IN)  
6. 309-5131 [1] PLUG AS  
  9S-8006 [1] PLUG (7/8-14-THD)  
  238-5081 [1] SEAL-O-RING  
7. 4N-0794 [2] COVER  
8. 5M-2894 [4] WASHER-HARD (10.2X18.5X2.5-MM THK)  
9. 379-5053 [1] SEAL-O-RING  
 

#SEBP67480106
 

437-3876: ROCKER ARM GP

437-3876 ROCKER ARM GP
S/N NZT1-UP
PART OF 255-8001, 260-9631 MECHANISM GP-FUEL PUMP & VALVE
Type 1
i05645673 SEBP6748
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 437-3881 Y [2] ROCKER ARM GP (UNIT INJECTOR)  
2. 313-4085 [1] SHAFT AS-ROCKER ARM  
  4B-9782 [2] BALL  
3. 437-3877 Y [4] ROCKER ARM GP (EXHAUST)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP67480107
 

437-3876: ROCKER ARM GP

437-3876 ROCKER ARM GP
S/N NZT1-UP
PART OF 255-8001, 260-9631 MECHANISM GP-FUEL PUMP & VALVE
Type 2
i06936237 SEBP6748
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 489-8223 CY [2] ROCKER ARM GP (UNIT INJECTOR)  
2. 313-4085 [1] SHAFT AS-ROCKER ARM  
  4B-9782 [2] BALL  
3. 437-3877 Y [4] ROCKER ARM GP (EXHAUST)  
  C   CHANGE FROM PREVIOUS TYPE
  Y   SEPARATE ILLUSTRATION
 

#SEBP67480108
 

437-3876: ROCKER ARM GP

437-3876 ROCKER ARM GP
S/N NZT1-UP
PART OF 255-8001, 260-9631 MECHANISM GP-FUEL PUMP & VALVE
Type 3
i07548605 SEBP6748
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 489-8223 Y [2] ROCKER ARM GP (UNIT INJECTOR)  
2. 313-4085 [1] SHAFT AS-ROCKER ARM  
  4B-9782 [2] BALL  
3. 524-3708 CY [4] ROCKER ARM GP (EXHAUST)  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP67480109
 

437-3877: ROCKER ARM GP

437-3877 ROCKER ARM GP -EXHAUST
S/N NHT1-UP; NZT1-UP
PART OF 437-3876, 437-4420 ROCKER ARM GP
i05645687 SEBP6748
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 258-8721 [1] BUTTON  
2. 274-4491 [1] SCREW-ARM ADJUSTMENT (3/8-24X1.20-IN)  
3. 3S-2713 [1] NUT-FULL (3/8-24-THD)  
4. 437-3870 [1] ROCKER ARM AS  
5. 8L-2777 [1] SEAL-O-RING  
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

Information:

Caterpillar Parts SIS Catalog 844K :

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