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1U-3953 CARTRIDGE GP-VANE PUMP -FRONT S/N K4Y1-UP PART OF 157-0956 PUMP GP-VANE 844K WHEEL DOZER


HYDRAULIC SYSTEM
PUMP GP
COOLER GP
CYLINDER GP

WHEEL DOZER 844K WHEEL DOZER K4Y
 844K Wheel Dozer K4Y00001-UP (MACHINE) POWERED BY C27 Engine M0084735 844K K4Y   (2014)

HYDRAULIC SYSTEM

PUMP GP
CARTRIDGE GP-VANE PUMP
1U-3953 CARTRIDGE GP-VANE PUMP
CARTRIDGE GP-VANE PUMP
3G-7663 CARTRIDGE GP-VANE PUMP
PUMP & MTG GP-IMPLEMENT
229-7350 PUMP & MTG GP-IMPLEMENT
157-0956 PUMP GP-VANE
PUMP & MTG GP-STEERING & FAN
390-6485 PUMP & MTG GP-STEERING & FAN
 

#M00847350660
 

1U-3953: CARTRIDGE GP-VANE PUMP

1U-3953 CARTRIDGE GP-VANE PUMP -FRONT
S/N K4Y1-UP
PART OF 157-0956 PUMP GP-VANE
i00354407 M0084735
1U3953 CARTRIDGE GP-VANE PUMP Parts scheme
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8C-3079 [4] SEAL-O-RING  
2. 3G-1264 [4] RETAINER-SEAL  
3. 9T-5042 BE [2] DOWEL  
4. 9T-5050 [1] PLATE-INLET  
5. 9T-5057 [1] KIT-VANE  
6. 9T-5077 [1] RING  
7. 5D-5958 [1] SEAL-O-RING  
8. 061-9457 [1] SEAL-O-RING  
9. 9T-5087 [1] RING  
10. 9T-5092 [1] PLATE-OUTLET  
11. 3G-1820 [1] RING-SEAL  
12. 9T-5100 [2] PLATE-FLEX  
13. 9T-5107 [1] ROTOR  
14. 9T-5112 [2] BOLT (1/4-28X2.87-IN)  
  B   USE AS REQUIRED
  E   ORDER BY THE CENTIMETER
 

#M00847350661
 

3G-7663: CARTRIDGE GP-VANE PUMP

3G-7663 CARTRIDGE GP-VANE PUMP -REAR
S/N K4Y1-UP
64 L/MIN (17 GPM)
PART OF 157-0956 PUMP GP-VANE
i00157856 M0084735
3G7663 CARTRIDGE GP-VANE PUMP Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8C-3078 [4] SEAL-O-RING  
2. 3G-2192 [4] RETAINER-SEAL  
3. 9T-5041 [2] DOWEL  
4. 9T-5048 [1] PLATE-INLET  
5. 064-7311 [1] KIT-VANE (VANE PUMP)(HYDRAULIC)  
    (INCLUDES VANES & INSERTS)
6. 9T-5069 [1] RING  
7. 6V-1197 [1] SEAL-O-RING  
8. 8J-4351 [1] SEAL-O-RING  
9. 9T-5086 [1] RING  
10. 9T-5090 [1] PLATE-OUTLET  
11. 3G-2193 [1] RING-SEAL  
12. 9T-5098 [2] PLATE-FLEX  
13. 064-7310 [1] ROTOR-PUMP  
14. 9T-5110 [2] SCREW (10-32X57.15-MM)  
 

#M00847350662
 

386-8261: COOLER GP-HYD & STEERING OIL

386-8261 COOLER GP-HYD & STEERING OIL
S/N K4Y1-UP
PART OF 386-8210 COOLING AR
i05689677 M0084735
3868261 COOLER GP-HYD & STEERING OIL Parts scheme
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1P-5412 [4] BUSHING-TERMINAL  
2. 261-3853 [1] CORE AS-HYDRAULIC OIL COOLER  
3. 261-6916 [2] SPACER (13.8X35X20-MM THK)  
4. 279-0398 [1] PLATE AS (RH)  
  8T-3490 M [4] NUT-WELD (M10X1.5-THD)  
  8T-3597 M [3] NUT-WELD (M12X1.75-THD)  
5. 279-0399 [1] PLATE AS (LH)  
  8T-3597 M [7] NUT-WELD (M12X1.75-THD)  
6. 1M-6298 [4] CLAMP-MOUNTING  
7. 1P-5411 [2] SLEEVE  
8. 3H-8726 [2] MOUNT AS  
9. 5P-1076 [10] WASHER-HARD (13.5X30X4-MM THK)  
10. 7X-0550 [2] WASHER-HARD (13.5X32X5-MM THK)  
11. 7X-0590 [2] WASHER-HARD (13.5X44.5X6-MM THK)  
12. 7X-2550 M [2] BOLT (M12X1.75X110-MM)  
13. 7X-7729 [4] WASHER (11X25X3-MM THK)  
14. 8T-4172 M [4] BOLT (M10X1.5X80-MM)  
15. 8T-4183 M [8] BOLT (M12X1.75X40-MM)  
16. 8T-4194 M [2] BOLT (M12X1.75X50-MM)  
  M   METRIC PART
 

#M00847350663
 

396-7331: COOLER GP-HYD & STEERING OIL

396-7331 COOLER GP-HYD & STEERING OIL
S/N K4Y1-UP
PART OF 386-8210 COOLING AR
i05688441 M0084735
3967331 COOLER GP-HYD & STEERING OIL Parts scheme
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1M-6298 [4] CLAMP-MOUNTING  
2. 1P-5411 [2] SLEEVE  
3. 1P-5412 [4] BUSHING-TERMINAL  
4. 8B-9294 [2] SPACER (13.5X38X30-MM THK)  
5. 190-7625 [1] CORE AS-STEERING OIL COOLER  
6. 302-6223 [2] PLATE  
7. 3H-8726 [2] MOUNT AS  
8. 5P-1076 [3] WASHER-HARD (13.5X30X4-MM THK)  
9. 7X-0590 [2] WASHER-HARD (13.5X44.5X6-MM THK)  
10. 7X-2550 M [2] BOLT (M12X1.75X110-MM)  
11. 7X-7729 [2] WASHER (11X25X3-MM THK)  
12. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
13. 8T-4133 M [2] NUT (M10X1.5-THD)  
14. 8T-4178 M [4] BOLT (M10X1.5X90-MM)  
15. 8T-4194 M [2] BOLT (M12X1.75X50-MM)  
16. 8T-4244 M [1] NUT (M12X1.75-THD)  
  M   METRIC PART
 

#M00847350664
 

335-3449: COOLER GP-HYDRAULIC OIL

335-3449 COOLER GP-HYDRAULIC OIL
S/N K4Y1-UP
PART OF 390-6260 COOLER GP-AXLE OIL
i04133809 M0084735
3353449 COOLER GP-HYDRAULIC OIL Parts scheme
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 335-3453 [1] CORE AS-OIL COOLER  
2. 335-3454 [1] BODY-VALVE  
3. 360-5604 [1] VALVE AS-CONTROL (HYDRAULIC OIL TEMP)  
3A. 238-5085 [1] SEAL-O-RING  
4. 5P-8066 [4] SEAL-O-RING  
5. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
6. 8T-4196 M [4] BOLT (M10X1.5X35-MM)  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#M00847350665
 

377-4725: CYLINDER & MTG GP-ANGLE BLADE

377-4725 CYLINDER & MTG GP-ANGLE BLADE
S/N K4Y1-UP
PART OF 209-3276 BULLDOZER AR
i06948878 M0084735
3774725 CYLINDER & MTG GP-ANGLE BLADE Parts scheme
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Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 516-8026 CY [1] CYLINDER GP-TILT (RH)  
2. 516-8027 CY [1] CYLINDER GP-TILT (LH)  
3. 519-3841 C [2] GUARD AS  
4. 7X-2574 M [8] BOLT (M24X3X45-MM)  
5. 8T-4167 [8] WASHER-HARD (26X44X4-MM THK)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847350666
 

390-6321: CYLINDER & MTG GP-LIFT

390-6321 CYLINDER & MTG GP-LIFT
S/N K4Y1-UP
PART OF 390-6322 CYLINDER & MTG GP-LIFT
Type 1
i05706259 M0084735
3906321 CYLINDER & MTG GP-LIFT Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-8917 [2] BOLT (1/2-13X1.25-IN)  
2. 7X-7729 [6] WASHER (11X25X3-MM THK)  
3. 9X-8257 [2] WASHER (17.5X30X3.5-MM THK)  
4. 329-3356 M [1] NUT (M12X1.75-THD)  
5. 353-6088 [1] PLATE  
6. 360-7663 [1] PLATE  
7. 378-6859 [1] MANIFOLD  
8. 444-7784 [1] TUBE AS  
9. 445-8773 [1] BRACKET  
10. 1P-3704 [2] SEAL-RECTANGULAR  
11. 3E-9411 [2] WASHER-HARD (17.5X38X6-MM THK)  
12. 4J-0526 [1] SEAL-O-RING  
13. 5P-1076 [4] WASHER-HARD (13.5X30X4-MM THK)  
14. 7X-0353 [2] BOLT (5/8-11X4.25-IN)  
15. 8S-0023 [1] CLIP (SLOT)  
16. 8S-0024 [1] CLIP (TAB)  
17. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
18. 8T-4185 M [4] BOLT (M10X1.5X50-MM)  
19. 8T-4195 M [2] BOLT (M10X1.5X30-MM)  
20. 8T-4956 M [1] BOLT (M12X1.75X35-MM)  
21. 8T-7008 [4] BOLT (3/8-16X3-IN)  
22. 4Z-6424 Y [1] CYLINDER GP-LIFT  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847350667
 

390-6321: CYLINDER & MTG GP-LIFT

390-6321 CYLINDER & MTG GP-LIFT
S/N K4Y1-UP
PART OF 390-6322 CYLINDER & MTG GP-LIFT
Type 2
i07432409 M0084735
3906321 CYLINDER & MTG GP-LIFT Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-8917 [2] BOLT (1/2-13X1.25-IN)  
2. 7X-7729 [6] WASHER (11X25X3-MM THK)  
3. 9X-8257 [2] WASHER (17.5X30X3.5-MM THK)  
4. 329-3356 M [1] NUT (M12X1.75-THD)  
5. 353-6088 [1] PLATE  
6. 360-7663 [1] PLATE  
7. 378-6859 [1] MANIFOLD  
8. 444-7784 [1] TUBE AS  
9. 445-8773 [1] BRACKET  
10. 1P-3704 [2] SEAL-RECTANGULAR  
11. 3E-9411 [2] WASHER-HARD (17.5X38X6-MM THK)  
12. 4J-0526 [1] SEAL-O-RING  
13. 5P-1076 [4] WASHER-HARD (13.5X30X4-MM THK)  
14. 7X-0353 [2] BOLT (5/8-11X4.25-IN)  
15. 8S-0023 [1] CLIP (SLOT)  
16. 8S-0024 [1] CLIP (TAB)  
17. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
18. 8T-4185 M [4] BOLT (M10X1.5X50-MM)  
19. 8T-4195 M [2] BOLT (M10X1.5X30-MM)  
20. 8T-4956 M [1] BOLT (M12X1.75X35-MM)  
21. 8T-7008 [4] BOLT (3/8-16X3-IN)  
22. 502-5819 CY [1] CYLINDER GP-LIFT  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847350668
 

390-6322: CYLINDER & MTG GP-LIFT

390-6322 CYLINDER & MTG GP-LIFT
S/N K4Y1-UP
PART OF 386-8330 HYDRAULIC AR
i05706258 M0084735
3906322 CYLINDER & MTG GP-LIFT Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4T-4875 [2] PIN  
2. 9J-5718 [2] GASKET  
3. 296-5363 [2] YOKE AS  
    (EACH INCLUDES)
  8T-4170 M [4] BOLT (M20X2.5X150-MM)  
  154-1580 [4] WASHER-HARD (22X38X6-MM THK)  
  323-3714 [2] CAP & BEARING AS  
    (EACH INCLUDES)
3A. 9J-5284 [1] BUSHING  
4. 390-6321 Y [2] CYLINDER & MTG GP-LIFT  
5. 390-6359 [2] PLATE AS  
6. 390-6363 [2] BRACKET  
7. 154-1580 [8] WASHER-HARD (22X38X6-MM THK)  
8. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
9. 6C-3241 [4] BOLT (1/2-13X1.5-IN)  
10. 5P-5520 [2] SEAL-LIP TYPE  
11. 7X-2488 M [8] BOLT (M20X2.5X160-MM)  
12. 7X-7729 [14] WASHER (11X25X3-MM THK)  
13. 8T-4195 M [14] BOLT (M10X1.5X30-MM)  
14. 8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
15. 514-1293 [2] COVER  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#M00847350669
 

4Z-6424: CYLINDER GP-LIFT

4Z-6424 CYLINDER GP-LIFT
S/N K4Y1-UP
133.35 MM (5.25 IN) BORE X 1535 MM (60.4 IN) STROKE
PART OF 390-6321 CYLINDER & MTG GP-LIFT
i00760153 M0084735
4Z6424 CYLINDER GP-LIFT Parts scheme
  For full view, you need register

Parts for your 844K WHEEL DOZER:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-8194 [1] CYLINDER AS  
1A. 5J-1192 [2] BUSHING  
2. 5J-5731 [1] LOCKNUT (1-3/4-12-THD)  
3. 3G-8191 [1] WASHER (44.83X73X9.5-MM THK)  
4. 9J-7978 J [1] RING-WEAR  
5. 8T-0763 J [1] SEAL AS  
6. 4Z-6423 [1] PISTON AS  
  4Z-6422 [4] INSERT  
  5J-2528 [2] PLUNGER  
7. 5F-3106 J [1] SEAL-O-RING  
8. 2J-7767 J [1] RING-BACKUP  
9. 106-6267 [1] HEAD  
10. 4T-0406 [1] ROD AS  
11. 312-4247 HJ [1] SEAL-WIPER  
12. 9T-0094 HJ [1] RING-WEAR  
13. 9X-7412 [1] SEAL-U-CUP  
14. 312-4248 HJ [1] SEAL AS-BUFFER  
15. 1D-4610 [4] BOLT (3/4-10X3.25-IN)  
16. 5P-8248 [4] WASHER-HARD (20X36.5X3.5-MM THK)  
17. 3G-0910 [1] CAP-BEARING  
18. 3G-0911 B [12] SHIM (0.8-MM THK)  
19. 7X-0392 [4] BOLT (7/8-9X6-IN)  
20. 7X-0449 [4] NUT-FULL (7/8-9-THD)  
   
    AVAILABLE REPAIR KIT(S):
  319-3561 J [1] KIT-SEAL  
    (ALSO INCLUDES U-CUP SEAL)
  319-3564 H [1] KIT-SEAL  
    (ALSO INCLUDES O-RING, SEAL AS, WEAR-RING, SEAL-HEAD, U-CUP SEAL)
  B   USE AS REQUIRED
  H   KIT MARKED H SERVICES PART(S) MARKED H
  J   KIT MARKED J SERVICES PART(S) MARKED J
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

Information:

Caterpillar Parts SIS Catalog 844K :

ACCUMULATOR GP-PILOT OIL
245-6566 ACCUMULATOR GP-PILOT OIL
ACCUMULATOR GP-HYDRAULIC
351-0320 ACCUMULATOR GP-HYDRAULIC
ACCUMULATOR GP-HYDRAULIC
245-2975 ACCUMULATOR GP-HYDRAULIC
VALVE GP-SOLENOID
349-4389 VALVE GP-SOLENOID
VALVE GP-RELIEF
234-0351 VALVE GP-RELIEF
VALVE & MTG GP-BRAKE CONTROL
444-7723 VALVE & MTG GP-BRAKE CONTROL
LINES GP-SERVICE BRAKE
390-6285 LINES GP-SERVICE BRAKE
LINES GP-SERVICE BRAKE
390-6280 LINES GP-SERVICE BRAKE
CARTRIDGE GP-VANE PUMP
3G-7663 CARTRIDGE GP-VANE PUMP
COOLER GP-HYD & STEERING OIL
386-8261 COOLER GP-HYD & STEERING OIL
COOLER GP-HYD & STEERING OIL
396-7331 COOLER GP-HYD & STEERING OIL
COOLER GP-HYDRAULIC OIL
335-3449 COOLER GP-HYDRAULIC OIL
CYLINDER & MTG GP-ANGLE BLADE
377-4725 CYLINDER & MTG GP-ANGLE BLADE
CYLINDER & MTG GP-LIFT
390-6321 CYLINDER & MTG GP-LIFT
CYLINDER & MTG GP-LIFT
390-6321 CYLINDER & MTG GP-LIFT
CYLINDER & MTG GP-LIFT
390-6322 CYLINDER & MTG GP-LIFT
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