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205-1820 MOTOR GP-PISTON S/N 7TK1-UP PART OF 350-6782 WASTE HANDLING AR D8N TRACK-TYPE TRACTOR




HYDRAULIC SYSTEM

MOTOR GP
 

#SEBP22380490
 

205-1820: MOTOR GP-PISTON

205-1820 MOTOR GP-PISTON
S/N 7TK1-UP
PART OF 350-6782 WASTE HANDLING AR
i02236662 SEBP2238
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Parts for your D8N TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 250-2250 Y [1] ROTATING GP-MOTOR  
2. 8T-2223 M [4] BOLT-SOCKET HEAD (M10X1.5X45-MM)  
3. 250-2251 [1] HEAD  
4. 192-8862 [1] PIN  
5. 3K-0360 [1] SEAL-O-RING  
6. 6V-1179 [1] SEAL-O-RING  
7. 8T-1159 M [2] BOLT-SOCKET HEAD (M10X1.5X25-MM)  
8. 9S-8005 [1] PLUG (3/4-16-THD)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22380491
 

205-1821: MOTOR GP-PISTON

205-1821 MOTOR GP-PISTON -FAN
S/N 7TK1-UP
PART OF 459-6788 KIT-CONVERSION, 210-6607 MOTOR & MTG GP-HYDRAULIC FAN
i02235175 SEBP2238
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Parts for your D8N TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 250-2250 Y [1] ROTATING GP-MOTOR  
2. 8T-2223 M [4] BOLT-SOCKET HEAD (M10X1.5X45-MM)  
3. 250-2253 [1] HEAD AS  
  250-2274 [1] HEAD  
  241-2943 [1] SPRING  
  251-6358 [1] VALVE AS  
  252-8073 [1] SEAL-O-RING  
4. 192-8862 [1] PIN  
5. 3K-0360 [1] SEAL-O-RING  
6. 6V-1179 [1] SEAL-O-RING  
7. 8T-1159 M [2] BOLT-SOCKET HEAD (M10X1.5X25-MM)  
8. 9S-8005 [1] PLUG (3/4-16-THD)  
9. 9S-8004 [1] PLUG (9/16-18-THD)  
10. 3J-1907 [1] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22380492
 

9T-8345: MOTOR GP-PISTON

9T-8345 MOTOR GP-PISTON
S/N 7TK1-99999
PART OF 6Y-4857 CONTROL AR-HYDRAULIC
i00436452 SEBP2238
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Parts for your D8N TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6E-4091 Y [1] ROTATING GP-MOTOR  
2. 6E-4092 [1] HOUSING  
3. 6V-1197 [1] SEAL-O-RING  
4. 8T-4231 [1] DOWEL  
5. 6E-2505 [1] HEAD  
6. 9S-8004 [2] PLUG (9/16-18-THD)  
  3J-1907 [2] SEAL-O-RING  
7. 8T-3957 M [6] BOLT-SOCKET HEAD (M12X1.75X30-MM)  
  9T-2005 [6] LOCKWASHER  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22380493
 

6I-8788: MOUNTING GP-CYLINDER

6I-8788 MOUNTING GP-CYLINDER
S/N 7TK1-99999
AN ATTACHMENT
i00403443 SEBP2238
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Parts for your D8N TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 229-9744 [2] YOKE  
2. 227-8406 [4] CAP AS  
    (EACH INCLUDES)
3. 104-1844 [1] BUSHING  
4. 4T-4875 [2] PIN  
5. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)(BULLDOZER LIFT CYLINDER MOUNT)  
6. 6V-0273 [2] SEAL-LIP TYPE  
7. 7X-2568 M [8] BOLT (M20X2.5X180-MM)  
8. 5P-1076 [2] WASHER-HARD (13.5X30X4-MM THK)  
9. 8E-6305 [1] PLATE (RH)  
  8E-6306 [1] PLATE (LH)  
10. 5P-2566 [2] BOLT (1/2-13X1.5-IN)  
  M   METRIC PART
 

#SEBP22380494
 

6Y-3525: MOUNTING GP-VALVE

6Y-3525 MOUNTING GP-VALVE
S/N 7TK1-99999
PART OF 6Y-3521 CONTROL AR-HYDRAULIC
i00720645 SEBP2238
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Parts for your D8N TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6Y-5227 [1] PLATE AS  
2. 8C-4436 [2] BOLT (1/2-13X1.375-IN)  
  5P-1076 [2] WASHER-HARD (13.5X30X4-MM THK)  
3. 8T-2502 [4] BOLT (3/8-16X1.125-IN)  
  5P-1075 [4] WASHER-HARD (10.2X22.5X3-MM THK)  
4. 8T-4835 [4] BOLT (1/2-13X2-IN)  
5. 7G-8839 [4] SPACER (13.5X57X6-MM THK)  
6. 7T-8332 [4] MOUNTING  
7. 6Y-5228 [1] PLATE  
8. 8E-2228 [1] PLATE AS  
 

#SEBP22380495
 

318-0380: PUMP & MTG GP-HYDRAULIC FAN

318-0380 PUMP & MTG GP-HYDRAULIC FAN
S/N 7TK1-UP
PART OF 325-3087 CONVERSION GP-HYDRAULIC SYSTEM
i04697531 SEBP2238
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Parts for your D8N TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6H-7062 [2] SPACER (13.5X25X19-MM THK)  
2. 147-7131 [1] GEAR (42-TEETH)  
3. 198-2820 [1] SEAL  
4. 204-9734 [2] SPACER (11X18X25-MM THK)  
5. 242-9005 [1] BRACKET AS  
  8T-3490 M [1] NUT-WELD (M10X1.5-THD)  
6. 253-1525 [1] FLANGE  
7. 312-5648 Y [1] PUMP GP-PISTON  
8. 2K-0337 [1] LOCKNUT (3/4-16-THD)  
9. 3D-0053 [1] BALL BEARING  
10. 5P-1076 [2] WASHER-HARD (13.5X30X4-MM THK)  
11. 6V-6353 [1] SEAL-O-RING  
12. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
13. 8T-4139 M [1] BOLT (M12X1.75X30-MM)  
14. 8T-4182 M [2] BOLT (M10X1.5X45-MM)  
15. 8T-4183 M [2] BOLT (M12X1.75X40-MM)  
16. 8T-4186 M [2] BOLT (M10X1.5X40-MM)  
17. 8T-4223 [3] WASHER-HARD (13.5X25.5X3-MM THK)  
18. 8T-4910 M [1] BOLT (M12X1.75X60-MM)  
19. 8T-4994 [1] WASHER-HARD (20X36.5X3.5-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22380496
 

6E-4386: PUMP GP-GEAR

6E-4386 PUMP GP-GEAR
S/N 7TK1-99999
1 SECTION
PART OF 6E-1661 PUMP GP-PISTON
i00400203 SEBP2238
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Parts for your D8N TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3E-4949 [1] RING-RETAINING  
2. 6V-8200 M [4] BOLT-SOCKET HEAD (M12X1.75X35-MM)  
3. 3E-4950 [1] KEY-SQUARE  
4. 8C-5237 [1] SEAL-O-RING  
  M   METRIC PART
 

#SEBP22380497
 

312-5648: PUMP GP-PISTON

312-5648 PUMP GP-PISTON
S/N 7TK1-UP
PART OF 459-6788 KIT-CONVERSION, 318-0380 PUMP & MTG GP-HYDRAULIC FAN
Type 1
i04697569 SEBP2238
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Parts for your D8N TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 258-5193 Y [1] ROTATING GP-PUMP  
2. 168-7861 [1] PISTON-ACTUATOR  
3. 168-2198 [1] LINK-CONTROL  
4. 197-1762 [1] SWASHPLATE  
5. 198-2617 [1] SHAFT  
6. 295-9544 [1] PLUG AS  
7. 127-9490 [1] SPRING (BIAS)  
8. 127-9483 [1] SHIM (PRELOAD)  
9. 198-2618 [1] KEY  
10. 185-0263 [1] BEARING  
11. 189-4717 [1] BEARING  
12. 237-4227 [2] BEARING-CRADLE  
13. 166-0344 [1] SEAL-SHAFT  
14. 127-9485 [1] SEAL-O-RING  
15. 8T-7525 [1] SEAL-O-RING  
16. 168-3504 [1] SEAL  
17. 8C-3110 [1] RING-RETAINING  
18. 095-0670 M [4] BOLT (M12X1.75X45-MM)  
19. 9S-8006 [1] PLUG (7/8-14-THD)  
20. 120-4394 [1] PLUG-BREAK OFF  
21. 9X-8979 [1] DOWEL  
22. 2M-9780 [1] SEAL-O-RING  
23. 310-1523 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
24. 280-7870 [1] GASKET  
25. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22380498
 

312-5648: PUMP GP-PISTON

312-5648 PUMP GP-PISTON
S/N 7TK1-UP
PART OF 459-6788 KIT-CONVERSION, 318-0380 PUMP & MTG GP-HYDRAULIC FAN
Type 2
i07279529 SEBP2238
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Parts for your D8N TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 258-5193 Y [1] ROTATING GP-PUMP  
2. 168-7861 [1] PISTON-ACTUATOR  
3. 168-2198 [1] LINK-CONTROL  
4. 197-1762 [1] SWASHPLATE  
5. 198-2617 [1] SHAFT  
6. 295-9544 [1] PLUG AS  
7. 127-9490 [1] SPRING (BIAS)  
8. 127-9483 [1] SHIM (PRELOAD)  
9. 198-2618 [1] KEY  
10. 185-0263 [1] BEARING  
11. 105-3035 C [1] CONE-BEARING  
12. 237-4227 [2] BEARING-CRADLE  
13. 166-0344 [1] SEAL-SHAFT  
14. 127-9485 [1] SEAL-O-RING  
15. 8T-7525 [1] SEAL-O-RING  
16. 168-3504 [1] SEAL  
17. 8C-3110 [1] RING-RETAINING  
18. 095-0670 M [4] BOLT (M12X1.75X45-MM)  
19. 9S-8006 [1] PLUG (7/8-14-THD)  
20. 120-4394 [1] PLUG-BREAK OFF  
21. 9X-8979 [1] DOWEL  
22. 2M-9780 [1] SEAL-O-RING  
23. 456-5569 CY [1] VALVE GP-PUMP CONTROL (FAN SPEED)  
24. 280-7870 [1] GASKET  
25. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22380499
 

319-3593: PUMP GP-PISTON

319-3593 PUMP GP-PISTON
S/N 7TK1-UP
PART OF 350-6782 WASTE HANDLING AR
i03202668 SEBP2238
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Parts for your D8N TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 254-0059 Y [1] ROTATING GP-PUMP  
2. 168-7861 [1] PISTON-ACTUATOR  
3. 168-2198 [1] LINK-CONTROL  
4. 197-1762 [1] SWASHPLATE  
5. 233-0065 [1] SHAFT-DRIVE  
6. 198-5351 [1] PLUG  
7. 127-9490 [1] SPRING (BIAS)  
8. 127-9483 [1] SHIM (PRELOAD)  
9. 203-9163 [1] CONE-BEARING  
10. 6V-4636 [1] CUP-BEARING  
11. 105-3035 [1] CONE-BEARING  
12. 203-8609 [1] CUP-BEARING  
13. 166-0344 [1] SEAL-SHAFT  
14. 127-9485 [1] SEAL-O-RING  
15. 8T-7525 [1] SEAL-O-RING  
16. 168-3504 [1] SEAL  
17. 8C-3110 [1] RING-RETAINING  
18. 095-0670 M [4] BOLT (M12X1.75X45-MM)  
19. 9S-8006 [1] PLUG (7/8-14-THD)  
20. 120-4394 [1] PLUG-BREAK OFF  
21. 9X-8979 [1] DOWEL  
22. 2M-9780 [1] SEAL-O-RING  
23. 318-3130 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)(HYDRAULIC FAN)  
24. 168-7871 [1] HOUSING-PUMP  
25. 280-7870 [1] GASKET  
26. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
27. 237-4227 [2] BEARING-CRADLE  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Tool Operating Manual
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}
Replacing Sleeve Bearings in Tyrone Gear Pumps and Motors (Used on Series 7 and 8, Iron and Aluminum Housings){0738, 5061, 5073, 7551}

Caterpillar Parts SIS Catalog D8N :

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