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3G7421 SERVO VALVE GROUP Part of 3G4096 Piston Pump Group shown on Page 126A AN ATTACHMENT D3 TRACK-TYPE TRACTOR


HYDRAULIC SYSTEM
PUMP GP
LINES GP-REAR
FILTER GP
OPERATOR STATION
SEAT GP
HORN GP
SEAT GP

TRACK-TYPE TRACTOR D3 TRACK-TYPE TRACTOR 79U
 D3 TRACTOR 79U04709-UP (MACHINE) POWERED BY 3204 ENGINE SEBP1187 D3 79U   (1973)

HYDRAULIC SYSTEM

PUMP GP
LINES AND PUMP GROUP
5G-1177 LINES AND PUMP GROUP
PUMP GP-PISTON
3G-4096 PUMP GP-PISTON
VALVE GP-SERVO
3G-7421 VALVE GP-SERVO
 

#SEBP11870210
 

3G-7421: VALVE GP-SERVO

3G7421 SERVO VALVE GROUP
Part of 3G4096 Piston Pump Group shown on Page 126A
AN ATTACHMENT
c170001 SEBP1187
3G7421 VALVE GP-SERVO Parts scheme
  For full view, you need register

Parts for your D3 TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-5422 [1] CAP  
2. 7J-9933 [1] SEAL  
3. 3G-5421 [1] STOP  
4. 6L-7219 [2] WASHER  
5. 3G-3697 [3] SHIM .0762 mm(.003 in.) thick  
6. 6J-6516 [2] SHIM .254 mm(.010 in.) thick  
7. 3G-5423 [1] SPRING  
8. 3G-5424 [1] RETAINER  
9. 3G-5035 [1] SPRING  
10. 3G-3732 [1] STOP  
11. 3G-5039 [2] SHIM .2032mm(.008 in.) thick  
  3G-5037 [2] SHIM .1270mm (.005 in.) thick  
  3G-5040 [2] SHIM .5080mm(.020 in.) thick  
  3G-5038 [1] SHIM .1524mm(.006 in.) thick  
12. 5P-7813 [1] SEAL  
13. 3G-7409 [1] CONNECTOR  
 

#SEBP11870211
 

6S-4107: REAR LINES GROUP

6S4107 REAR LINES GROUP
Part of 6S3618 Hydraulic Arrangement listed on Page 108
AN ATTACHMENT
c154507 SEBP1187
6S4107 REAR LINES GROUP Parts scheme
  For full view, you need register

Parts for your D3 TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6S-4340 [1] PLATE  
2. 0S-0509 [4] BOLT  
3. 1D-4717 [5] NUT  
4. 3B-4506 [6] LOCKWASHER  
5. 7F-2060 [2] NUT  
6. 6S-7308 [2] TUBE ASSEM.  
7. 6S-7378 [1] CLAMP ASSEM.  
8. 9F-2978 [1] NUT  
9. 6S-7366 [1] BRACKET  
10. 0L-1351 [2] BOLT  
11. 6S-7309 [1] TUBE ASSEM.  
12. 6S-7305 [1] TUBE ASSEM.  
13. 030-8190 [2] CONNECTOR  
  3D-2824 [2] SEAL  
14. 6J-7366 C [2] CAP  
  C   INDICATES CHANGE
 

#SEBP11870212
 

6S-4111: LINES GP-REAR

6S4111 REAR LINES GROUP
Part of 6S3684 Hydraulic Arrangement listed on Page 108
AN ATTACHMENT
c217319 SEBP1187
6S4111 LINES GP-REAR Parts scheme
  For full view, you need register

Parts for your D3 TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6S-4340 [1] PLATE  
2. 0S-0509 [4] BOLT  
3. 1D-4717 [5] NUT  
4. 3B-4506 [6] LOCKWASHER  
5. 7F-2060 [2] NUT  
6. 6S-7308 [2] TUBE ASSEM.  
7. 6S-7378 [1] CLAMP ASSEM.  
8. 9F-2978 [1] NUT  
9. 6S-7366 [1] BRACKET  
10. 0L-1351 [2] BOLT  
11. 6S-7306 [1] TUBE ASSEM.  
12. 6S-7307 [1] TUBE ASSEM.  
13. 030-8190 [2] CONNECTOR  
  3D-2824 [2] SEAL  
14. 6J-7366 C [2] CAP  
  C   INDICATES CHANGE
 

#SEBP11870213
 

6S-3543: OIL FILTER GROUP

6S3543 OIL FILTER GROUP
Part of 6S3413, 6S3618, 6S3684 and 6S3703 Hydraulic Arrangements listed on Page 108
AN ATTACHMENT
c118710 SEBP1187
6S3543 OIL FILTER GROUP Parts scheme
  For full view, you need register

Parts for your D3 TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1594 [3] BOLT  
2. 3B-4506 [7] LOCKWASHER  
  4B-4278 [7] WASHER  
3. 6S-7538 [1] BRACKET  
4. 0S-1591 [4] BOLT  
  1D-4717 [4] NUT  
5. 9J-1212 CY [1] FILTER GROUP  
    (Separate Illustration)
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#SEBP11870214
 

9J-1212: FILTER GP-OIL

9J1212 OIL FILTER GROUP
Part of 6S3543 Oil Filter Group
AN ATTACHMENT
c216630 SEBP1187
9J1212 FILTER GP-OIL Parts scheme
  For full view, you need register

Parts for your D3 TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-1304 [1] BASE ASSEM.  
2. 3G-2276 C [1] GASKET  
3. 9J-1305 [1] BODY ASSEM.  
4. 9J-1308 [1] PLUG  
  1F-1569 [1] WASHER  
5. 9M-9740 [1] ELEMENT ASSEM.  
    -OR-
  3G-3467 CA [1] ELEMENT ASSEM.  
    (Fire Resistant Fluid)
6. 4J-5267 [1] SEAL  
7. 9J-1306 [1] BOLT ASSEM.  
8. 4M-8184 C [1] SPRING  
9. 9J-1307 [1] RETAINER  
10. 2J-6356 [1] RING  
  A   NOT PART OF THIS GROUP
  C   INDICATES CHANGE
 

#SEBP11870215
 

8K-9002: SEAT BELT GP

8K9002 BASIC BELT GROUP-Type 1
Also part of 6S3626 shown on Page 136
AN ATTACHMENT
SEBP11870215 SEBP1187
  For full view, you need register

Parts for your D3 TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3V-7111 Y [1] BELT GROUP  
    -OR-
  3V-7112 [1] BELT GROUP (NO SERVICEABLE PARTS)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP11870216
 

3V-7111: BASIC BELT GROUP

3V7111 BASIC BELT GROUP
Part of 8K9002 Basic Belt Group listed on Page 132
c163683 SEBP1187
3V7111 BASIC BELT GROUP Parts scheme
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Parts for your D3 TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2G-6651 [1] PIN  
  9M-7611 [1] RING  
2. 8S-0933 [2] EYEBOLT  
3. 8S-0934 [2] NUT  
 

#SEBP11870217
 

8K-9002: SEAT BELT GP

8K9002 SEAT BELT GROUP-Type 2
Also part of 6S3626 shown on Page 136
AN ATTACHMENT
c173474 SEBP1187
8K9002 SEAT BELT GP Parts scheme
  For full view, you need register

Parts for your D3 TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8S-0933 [2] EYE BOLT  
2. 8S-0934 [2] NUT  
 

#SEBP11870218
 

6S-7338: ELECTRIC HORN GROUP

6S7338 ELECTRIC HORN GROUP
AN ATTACHMENT
c165746 SEBP1187
6S7338 ELECTRIC HORN GROUP Parts scheme
  For full view, you need register

Parts for your D3 TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4D-7794 C [5] CLIP  
2. 8P-0230 C [1] SWITCH ASSEM. (push)  
3. 6S-7371 [1] WIRE ASSEM.  
  5P-5629 D WIRE .075 m(2.95 in.)  
4. 2L-8074 [1] TERMINAL  
5. 2S-5012 [1] CAP  
  2S-5014 [1] CONTACT  
6. 3K-8782 [1] FUSE (10 amp)  
7. 0S-0509 [2] BOLT  
  1D-4717 [2] NUT  
8. 8M-2772 C [2] CLIP  
9. 6S-7370 [1] WIRE ASSEM.  
  5P-5629 CD WIRE .75 m(29.53 in.)  
10. 2S-5011 [1] BODY  
  2S-5013 [1] SPRING  
  2S-5014 [1] CONTACT  
11. 6S-7367 [1] WIRE ASSEM.  
  5P-5629 CD WIRE .85 m(33.47 in.)  
12. 2L-8074 [1] TERMINAL  
13. 6S-7369 [1] WIRE ASSEM.  
  5P-5629 CD WIRE 1.6 m(62.99 in.)  
14. 2L-8076 C [1] TERMINAL  
15. 6K-0613 [1] TERMINAL  
16. 6S-7368 C [1] WIRE ASSEM.  
  5P-5629 D WIRE 3.2 m(124.02 in.)  
17. 6K-0613 [1] TERMINAL  
18. 3P-3410 [1] TERMINAL  
  3P-3413 [1] SHELL  
19. 3S-2093 C [5] STRAP  
20. 6S-7339 [1] HORN ASSEM.  
21. 6S-7334 [1] SPACER  
22. 2A-4781 [3] BOLT  
  1B-4330 C [3] NUT  
  3B-4504 [3] LOCKWASHER  
23. 0T-0102 C [5] BOLT  
24. 3B-4506 C [7] LOCKWASHER  
  C   INDICATES CHANGE
  D   ORDER BY THE METER
 

#SEBP11870219
 

6S-5965: SUPPORT AND SEAT GROUP

6S5965 SUPPORT AND SEAT GROUP-Part 1
Note: 6D4709 Seat Belt Assembly is available
c217157 SEBP1187
6S5965 SUPPORT AND SEAT GROUP Parts scheme
  For full view, you need register

Parts for your D3 TRACK-TYPE TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1594 [25] BOLT  
2. 1D-4717 [8] NUT  
3. 3B-4506 [49] LOCKWASHER  
  4B-4278 [53] WASHER  
4. 6S-3211 [1] PLATE ASSEM.  
  9F-2978 [6] NUT (Weld)  
5. 6S-8287 [1] PLATE  
6. 6S-4606 [1] PLATE ASSEM.  
7. 6K-4611 [1] PAD  
8. 6S-4496 [1] BAR ASSEM.  
9. 0S-1608 [2] BOLT  
10. 6S-6821 B [4] SHIM 1.52 mm(.060 in.) thick  
  6S-6820 [4] SHIM .914 mm(.036 in.) thick  
11. 0S-1585 [4] BOLT  
12. 3B-4508 [12] LOCKWASHER  
13. 6S-4629 [1] SUPPORT ASSEM.  
    (Includes)
14. 9F-2978 [11] NUT (weld)  
15. 1F-0748 [4] NUT (weld)  
16. 0S-1621 [4] BOLT  
17. 6S-6853 B [4] SHIM .914 mm(.036 in.) thick  
  6S-6854 [4] SHIM 1.52 mm(.060 in.) thick  
18. 2H-9233 [4] SPACER  
19. 6S-7565 [1] PLATE  
20. 6S-4108 [1] BOX ASSEM.  
21. 0L-1329 [4] BOLT  
22. 6S-8086 B [8] SHIM .914 mm(.036 in.) thick  
  6S-8087 [8] SHIM 1.52 mm(.060 in.) thick  
23. 0L-1351 [22] BOLT  
24. 6S-3299 [1] COVER  
25. 6S-3353 [1] SUPPORT ASSEM.  
    (Includes)
26. 8H-2282 [2] HINGE  
27. 9F-2978 [2] NUT (weld)  
28. 7S-1197 [2] SCREW  
  4B-2043 [2] NUT  
29. 6S-4024 [1] CLIP  
30. 6S-8289 [1] PLATE ASSEM. (R.H.)  
  6S-8288 [1] PLATE ASSEM. (L.H.)  
    (Each Includes)
  9F-2978 [1] NUT  
  B   USE AS REQUIRED - R.H. SIDE ON
  D   ORDER BY THE METER
 

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}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Service Magazine
Cover Plate, Flange are Available for Use During Flow Tests on the Main Hydraulic Pumps {0738, 5070, 5084}
2005/04/25

Caterpillar Parts SIS Catalog D3 :

VALVE GP-RELIEF
9J-0798 VALVE GP-RELIEF
PUMP GP-PISTON
3G-4096 PUMP GP-PISTON
PUMP LINES GROUP
6S-3418 PUMP LINES GROUP
LINES AND PUMP GROUP
5G-1177 LINES AND PUMP GROUP
LINES AND PUMP GROUP
5G-1177 LINES AND PUMP GROUP
LINES AND PUMP GROUP
5G-1177 LINES AND PUMP GROUP
LINES AND PUMP GROUP
5G-1177 LINES AND PUMP GROUP
PUMP GP-GEAR
8J-4515 PUMP GP-GEAR
REAR LINES GROUP
6S-4107 REAR LINES GROUP
LINES GP-REAR
6S-4111 LINES GP-REAR
OIL FILTER GROUP
6S-3543 OIL FILTER GROUP
FILTER GP-OIL
9J-1212 FILTER GP-OIL
8K-9002 SEAT BELT GP
BASIC BELT GROUP
3V-7111 BASIC BELT GROUP
SEAT BELT GP
8K-9002 SEAT BELT GP
ELECTRIC HORN GROUP
6S-7338 ELECTRIC HORN GROUP

Truck sale:

1987 CAT D300B
Call 
1987 CAT D300B

Picorent S.r.l
Bagnolo Piemonte, CUNEO, Italy
1988 CAT D300B
USD $26,500 
1988 CAT D300B

Performance Farms, LLC
1990 CAT D300B
USD $34,500 
1990 CAT D300B

Inland Empire Equipment
Fontana, California
1990 CAT D300B
USD $18,500 
1990 CAT D300B

Southeastern Equipment Corp
Chesapeake, Virginia
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