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3G3843 PISTON LINK MOTOR GROUP-PART 2 SERIAL NO. 83X444 TO 83X450 INCLUSIVE. ALSO PART OF 8K2631 SWING MOTOR GROUP SHOWN ON PAGE 179. NOTE: TWO REQUIRED FOR PROPELLING TRACK & ONE REQUIRED FOR ACTUATING SWING 235


HYDRAULIC SYSTEM
MOTOR GP
VALVE GP-SHUTTLE
VALVE GP-RELIEF
LINES GP-TRAVEL MOTOR

EXCAVATOR 235 EXCAVATOR 83X
 235 EXCAVATOR 83X00444-UP (MACHINE) POWERED BY 3306 ENGINE HEBP1322 235 83X   (1979)

HYDRAULIC SYSTEM

MOTOR GP
GUARD GP-TRACK MOTOR
3V-4906 GUARD GP-TRACK MOTOR
GUARD GP-TRACK MOTOR
3V-4906 GUARD GP-TRACK MOTOR
MOTOR GP-PISTON-LINK
3G-3843 MOTOR GP-PISTON-LINK
MOTOR GP-PISTON-LINK
3G-3843 MOTOR GP-PISTON-LINK
MOTOR GP-PISTON
1U-2778 MOTOR GP-PISTON
1U-2778 MOTOR GP-PISTON
MOTOR GP-PISTON
4T-3068 MOTOR GP-PISTON
4T-3068 MOTOR GP-PISTON
 

#HEBP13220520
 

3G-3843: MOTOR GP-PISTON-LINK

3G3843 PISTON LINK MOTOR GROUP-PART 2
SERIAL NO. 83X444 TO 83X450 INCLUSIVE. ALSO PART OF 8K2631 SWING MOTOR
GROUP SHOWN ON PAGE 179. NOTE: TWO REQUIRED FOR PROPELLING TRACK & ONE
REQUIRED FOR ACTUATING SWING
c226533 HEBP1322
3G3843 MOTOR GP-PISTON-LINK Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6J-7854 [1] RING  
2. 8J-6244 [1] RACE & ROLLER ASSEM. (outer)  
  8J-6243 [1] RACE (inner)  
3. 6J-7855 [2] RING  
4. 8J-6274 [1] RING  
5. 6J-7846 [3] RACE  
6. 1U-2031 C [1] SHAFT  
7. 5H-6005 [3] SEAL  
8. 0S-1618 [2] BOLT  
9. 0S-1566 [1] BOLT  
  8J-6236 [1] LOCK  
10. 3G-2629 [1] RETAINER  
11. 9J-5716 [1] TUBE  
  8J-0438 [1] SPRING  
12. 9D-8042 [1] SEAL  
13. 3G-4530 [1] SPRING  
14. 3S-6867 [1] BEARING  
15. 9J-8052 [1] RETAINER  
16. 3G-5827 [9] PISTON ASSEM.  
    (Each Includes)
17. 8J-6276 [1] RETAINER  
18. 6J-7836 [1] RING  
19. 9J-8051 [1] RETAINER  
20. 1U-2035 C [1] BARREL ASSEM.  
21. 1J-2176 [1] SEAL  
22. 8J-6273 [9] RING  
23. 3F-5792 [1] SEAL  
24. 5H-3182 [1] PIN  
25. 3G-4605 [1] JOINT ASSEM.  
    (Includes)
  2R-1256 [2] RING  
26. 8J-6277 H [1] SHIM 1.245 mm(.049 in.) thick  
  8J-6278 H [5] SHIM .0762 mm(.003 in.) thick  
  8J-6279 H [5] SHIM .1270 mm(.005 in.) thick  
27. 8J-6242 [1] SEAL  
  C   INDICATES CHANGE
  H   USE AS REQUIRED
 

#HEBP13220521
 

1U-2778: MOTOR GP-PISTON

1U2778 PISTON LINK MOTOR GROUP-PART 1
SERIAL NO. 83X451 TO 83X495 INCLUSIVE. ALSO PART OF 8K2631 SWING MOTOR
LINES GROUP SHOWN ON PAGE 179B. NOTE: TWO REQUIRED FOR PROPELLING TRACK &
ONE REQUIRED FOR ACTUATING SWING
c231490 HEBP1322
1U2778 MOTOR GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6J-7854 [1] RING  
2. 8J-6244 [1] RACE & ROLLER ASSEM. (outer)  
  8J-6243 [1] RACE (inner)  
3. 6J-7855 [2] RING  
4. 8J-6274 [1] RING  
5. 6J-7846 [3] RACE  
6. 3G-9680 [1] SHAFT  
7. 5H-6005 [3] SEAL  
8. 0S-1618 [2] BOLT  
9. 0S-1566 [1] BOLT  
  8J-6236 [1] LOCK  
10. 3G-2629 [1] RETAINER  
11. 9J-5716 [1] TUBE  
  8J-0438 [1] SPRING  
12. 9D-8042 [1] SEAL  
13. 3G-4530 [1] SPRING  
14. 3S-6867 [1] BEARING  
15. 9J-8052 [1] RETAINER  
16. 3G-5827 [9] PISTON ASSEM.  
    (Each Includes)
17. 8J-6276 [1] RETAINER  
18. 6J-7836 [1] RING  
19. 9J-8051 [1] RETAINER  
20. 1U-2035 [1] BARREL ASSEM.  
21. 1J-2176 [1] SEAL  
22. 8J-6273 [9] RING  
23. 3F-5792 [1] SEAL  
24. 5H-3182 [1] PIN  
25. 3G-4605 [1] JOINT ASSEM.  
    (Includes)
  2R-1256 [2] RING  
26. 8J-6277 H [1] SHIM 1.245 mm(.049 in.) thick  
  8J-6278 H [5] SHIM .0762 mm(.003 in.) thick  
  8J-6279 H [5] SHIM .1270 mm(.005 in.) thick  
27. 8J-6242 [1] SEAL  
28. 1U-2675 [1] PLATE  
  H   USE AS REQUIRED
 

#HEBP13220522
 

1U-2778: MOTOR GP-PISTON

1U2778 PISTON LINK MOTOR GROUP-PART 2
SERIAL NO. 83X451 TO 83X495 INCLUSIVE. ALSO PART OF 8K2631 SWING MOTOR
LINES GROUP SHOWN ON PAGE 179B. 3G3253 VALVE PARTS ARE SHOWN ON PAGE 182
NOTE: TWO REQUIRED FOR PROPELLING TRACK & ONE REQUIRED FOR ACTUATING SWING
c231491 HEBP1322
1U2778 MOTOR GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0S-1618 [6] BOLT  
2. 9M-1974 [6] WASHER  
3. 8J-6869 [1] RETAINER  
4. 3G-3098 [1] BODY  
5. 9S-9739 [16] BOLT 68.5 mm(2.7 in.) long  
6. 3G-5755 [1] PLATE ASSEM.  
    (Includes)
  3G-3739 [9] INSERT  
7. 8J-6239 [1] LOCK  
8. 1U-2775 [1] BODY  
9. 9S-8008 [2] PLUG  
  3D-2824 [2] SEAL  
10. 4B-4158 [4] SCREW  
11. 8J-2559 [1] PLATE (caution)  
12. 1U-2777 [1] HEAD ASSEM.  
    (Includes)
13. 8J-6882 [4] PLUG  
14. 1B-9575 [4] BOLT  
15. 3G-3253 Y [1] VALVE GROUP  
    (Separate Illustration)
16. 7F-8268 [1] SEAL  
17. 5J-5794 [4] BOLT 88.9 mm(3.5 in.) long  
18. 3G-5940 [1] NUT  
19. 9J-0747 [1] BEARING ASSEM.  
20. 1H-5338 [1] CUP  
  2K-5097 [1] CONE  
21. 8B-1312 [2] DOWEL  
  Y   SEPARATE ILLUSTRATION
 

#HEBP13220523
 

4T-3068: MOTOR GP-PISTON

4T3068 PISTON MOTOR GROUP-LINK-PART 1
SERIAL NO. 83X496-UP. ALSO PART OF 8K2631 SWING MOTOR LINES GROUP SHOWN ON
PAGES 179C-1 & 179C-2. 4T3056 VALVE PARTS ARE SHOWN ON PAGE 182
NOTE: TWO REQUIRED FOR PROPELLING TRACK & ONE REQUIRED FOR ACTUATING SWING
c311376 HEBP1322
4T3068 MOTOR GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2B-2695 [6] BOLT  
2. 9M-1974 [6] WASHER  
3. 4T-1579 [1] RETAINER  
4. 3G-3098 [1] BODY-LOWER  
5. 9S-9739 [16] BOLT 68.5MM(2.7 IN)LG  
6. 3G-5755 [1] PLATE AS-DRIVE  
  3G-3739 [9] INSERT-BEARING  
7. 8J-6239 [1] LOCK-NUT  
8. 1U-2775 [1] BODY-UPPER  
9. 9S-8008 [2] PLUG-O-RING  
  3D-2824 [2] SEAL-O-RING  
10. 4B-4158 [4] SCREW  
11. 8J-2559 [1] PLATE-CAUTION  
12. 4T-3061 [1] HEAD-MOTOR  
13. 8B-1312 [2] DOWEL  
14. 1B-9575 [4] BOLT  
15. 4T-3056 Y [1] VALVE GP-SHUTTLE  
16. 7F-8268 [1] SEAL-O-RING  
17. 9K-7290 [4] BOLT-12 POINT HEAD 82.55MM(3.25 IN)LG  
18. 3G-5940 [1] NUT  
19. 9J-0747 [1] BEARING AS  
20. 1H-5338 [1] CUP-ROLLER BEARING  
  2K-5097 [1] CONE-ROLLER BEARING  
  Y   SEPARATE ILLUSTRATION
 

#HEBP13220524
 

4T-3068: MOTOR GP-PISTON

4T3068 PISTON MOTOR GROUP-LINK-PART 2
SERIAL NO. 83X496-UP. ALSO PART OF 8K2631 SWING MOTOR LINES GROUP SHOWN ON
PAGE 179C-1 & 179C-2. NOTE: TWO REQUIRED FOR PROPELLING TRACK & ONE
REQUIRED FOR ACTUATING SWING
c311377 HEBP1322
4T3068 MOTOR GP-PISTON Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4T-2676 [1] RETAINER  
2. 1U-1967 [1] BEARING-ROLLER  
3. 035-2297 [1] RING-RETAINING  
4. 4T-2625 [1] RETAINER  
5. 4T-2675 [1] RACE-THRUST  
6. 4T-3059 [1] SHAFT  
7. 5H-6005 [2] SEAL-O-RING  
8. 0S-1618 [2] BOLT  
9. 0S-1566 [1] BOLT  
  8J-6236 [1] LOCK  
10. 4T-3066 [1] RETAINER  
11. 9J-5716 [1] TUBE  
  8J-0438 [1] SPRING  
12. 9D-8042 [1] SEAL-O-RING  
13. 4T-3055 [1] SPRING  
14. 4T-2603 [1] BEARING-THRUST  
15. 4T-2674 [1] RACE-THRUST  
16. 1U-4805 R [9] PISTON AS  
    (EACH INCLUDES)
17. 8J-6276 [1] RETAINER  
18. 6J-7836 [1] RING-SNAP  
19. 9J-8051 [1] RETAINER  
20. 1U-1965 R [1] BARREL AS-CYLINDER  
21. 1J-2176 [1] SEAL-O-RING  
22. 8J-6273 [9] RING-RETAINING  
23. 3F-5792 [1] SEAL-O-RING  
24. 5H-3182 [1] PIN-SPRING  
25. 3G-4605 [1] UNIVERSAL JOINT AS  
  2R-1256 [2] RING-RETAINING  
26. 8J-6277 B [1] SHIM 1.245MM(.049 IN)THK  
  8J-6278 B [5] SHIM .0762MM(.003 IN)THK  
  8J-6279 B [5] SHIM .1270MM(.005 IN)THK  
27. 8J-6242 [1] SEAL-LIP TYPE  
28. 4T-3064 [1] PLATE-PORT  
29. 7J-4169 [1] RING-SNAP  
30. 0S-0130 [1] PIN  
  B   USE AS REQUIRED
  R   REMFG PART MAY BE AVAILABLE
 

#HEBP13220525
 

4T-3056: VALVE GP-SHUTTLE

4T3056 SHUTTLE VALVE GROUP
SERIAL NO. 83X496-UP
PART OF 4T3068 PISTON MOTOR GROUP SHOWN ON PAGES 181A & 181B
c303903 HEBP1322
4T3056 VALVE GP-SHUTTLE Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-3838 [2] PLUG AS  
    (EACH INCLUDES)
2. 9L-9766 [1] PIN-PLUNGER LIFT  
3. 3J-1907 [2] SEAL  
4. 4B-9783 [2] BALL  
5. 4T-3057 [1] BODY AS-VALVE  
6. 3G-3835 [1] PIN  
 

#HEBP13220526
 

3G-3253: VALVE GP-SHUTTLE

3G3253 SHUTTLE VALVE GROUP
SERIAL NO. 83X444 TO 83X495 INCLUSIVE. PART OF 3G3843 & 1U2778 PISTON
LINK MOTOR GROUP SHOWN ON PAGES 179C & 181
c225373 HEBP1322
3G3253 VALVE GP-SHUTTLE Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3G-3838 [2] PLUG ASSEM.  
    (Each Includes)
2. 9L-9766 [1] PIN  
3. 3J-1907 [2] SEAL  
4. 4B-9783 [2] BALL  
5. 3G-3252 [1] BODY ASSEM.  
6. 3G-3835 [1] PIN  
 

#HEBP13220527
 

8J-9357: VALVE GP-RELIEF

8J9357 RELIEF VALVE GROUP
PART OF 8J8921 COMBINER & RELIEF VALVE GROUP SHOWN ON PAGE 178
c226692 HEBP1322
8J9357 VALVE GP-RELIEF Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9S-8002 [2] PLUG-O-RING  
  3J-7354 [2] SEAL-O-RING  
2. 5J-2437 [1] VALVE GP  
3. 5J-3237 [1] STOP  
4. 4J-5309 [1] SEAL-O-RING  
5. 4J-0519 [1] SEAL  
6. 5J-0901 [1] VALVE  
7. 5J-0704 [1] BODY AS  
8. 2J-0075 [1] SPRING  
9. 4J-0523 [1] SEAL-O-RING  
10. 3J-3435 [1] VALVE GP  
11. 4J-5573 [1] SEAL-O-RING  
12. 8S-9089 C [2] BOLT 114.3MM(4.5IN)LG  
  3B-4508 [2] LOCKWASHER  
    -OR-
  1D-4569 C [2] BOLT 10.79MM(4.25IN)LG  
13. 4J-0522 [1] SEAL  
14. 8F-9206 [1] SEAL-O-RING  
15. 3B-1915 [2] BOLT 34.93MM(1.375IN)LG  
  3B-4506 [2] LOCKWASHER  
    -OR-
  0S-1588 C [2] BOLT 31.75MM(1.25IN)LG  
16. 5J-4571 [1] SPRING  
17. 5J-2721 C [5] SHIM .13MM(.005IN)THK  
  C   CHANGE FROM PREVIOUS TYPE
 

#HEBP13220528
 

3V-4888: LINES GP-TRACK MOTOR

3V4888 TRACK MOTOR LINES GROUP-PART 1 OF 3
SERIAL NO. 83X444 TO 83X546 INCLUSIVE
1U3884-PAGE188
c306179 HEBP1322
3V4888 LINES GP-TRACK MOTOR Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 030-7948 [2] ELBOW  
2. 3V-4626 [1] TUBE ASSEM.  
3. 9K-3540 [3] CLIP  
4. 0S-1594 [6] BOLT  
5. 4J-8265 [12] NUT  
6. 5M-2894 [20] WASHER  
7. 8K-3959 [2] ANGLE  
8. 0S-1591 [4] BOLT  
9. 8K-4805 [2] ANGLE ASSEM.  
10. 0S-1588 [4] BOLT  
11. 3B-4506 [4] LOCKWASHER  
12. 8K-1974 [4] CLAMP  
13. 0L-1352 [2] BOLT  
14. 9K-3527 [1] TUBE ASSEM.  
15. 8M-0505 [1] CONNECTOR  
16. 3K-0360 [3] SEAL  
17. 2B-0947 [8] BOLT  
  3B-4508 [8] LOCKWASHER  
18. 3V-4637 [1] HOSE ASSEM. 146 cm(57.48in.)  
19. 1P-3703 [8] SEAL  
20. 2R-6276 [2] CONNECTOR  
  3D-2824 [2] SEAL  
21. 3V-4635 [1] HOSE ASSEM. 160 cm(62.99 in.)  
22. 3V-4627 [1] TUBE ASSEM.  
23. 0T-0768 [32] BOLT  
  5P-8244 [32] WASHER  
24. 3V-4648 [1] TUBE ASSEM.  
25. 1U-3884 CY [1] SWIVEL GROUP  
    (Separate Illustration)
26. 8K-3843 [1] PLATE ASSEM.  
27. 3V-4636 [1] HOSE ASSEM. 146 cm(57.48 in.)  
28. 1P-5766 [16] FLANGE  
29. 3V-4634 [1] HOSE ASSEM. 160 cm(62.99 in.)  
30. 3V-4647 [1] TUBE ASSEM.  
31. 7J-7187 [1] CONNECTOR  
  4K-1388 [1] SEAL  
32. 9K-3533 [1] TUBE ASSEM.  
33. 9K-3536 [1] BRACKET ASSEM.  
    (Includes)
34. 9F-2978 [2] NUT  
35. 0S-0509 [2] BOLT  
  C   INDICATES CHANGE
  Y   SEPARATE ILLUSTRATION
 

#HEBP13220529
 

3V-4888: LINES GP-TRACK MOTOR

3V4888 TRACK MOTOR LINES GROUP-PART 2 OF 3
SERIAL NO. 83X444 TO 83X546 INCLUSIVE
8J2601-PAGE 187
c231486 HEBP1322
3V4888 LINES GP-TRACK MOTOR Parts scheme
  For full view, you need register

Parts for your 235 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 0T-0319 [8] BOLT  
2. 3B-4507 [2] LOCKWASHER  
3. 3V-5414 [1] TUBE ASSEM.  
4. 1P-3704 [8] SEAL  
5. 1D-4707 [20] BOLT  
6. 1P-5761 [4] FLANGE  
7. 8J-8197 C [1] CLIP  
8. 5V-2532 C [1] HOSE ASSEM. 122 cm(48 in.)  
9. 0S-1585 C [10] BOLT  
10. 3B-4508 [2] LOCKWASHER  
11. 030-8110 C [2] CONNECTOR  
  3K-0360 C [2] SEAL  
12. 2V-0795 [1] TUBE ASSEM.  
13. 8J-2601 Y [1] VALVE GROUP (track brake)  
    (Separate Illustration)
14. 005-4173 [1] ELBOW  
  2M-9780 [1] SEAL  
15. 9K-9855 [1] TUBE ASSEM.  
16. 6K-4235 [1] TEE  
  067-6684 [2] REDUCER  
  1P-0043 [2] NUT  
17. 2V-8751 [1] TUBE ASSEM.  
18. 3R-2704 [1] UNION  
19. 0S-1595 C [2] BOLT  
20. 0S-1587 [1] BOLT  
21. 2H-3788 [11] NUT  
  5P-8245 [11] WASHER  
22. 1V-2183 [5] CLAMP  
23. 2V-8744 [1] TUBE ASSEM.  
24. 8K-3829 [1] ANGLE  
25. 2V-8748 [1] TUBE ASSEM.  
26. 2V-8750 [1] TUBE ASSEM.  
27. 6K-5535 [2] CLIP  
  6K-5536 [2] BRACKET  
28. 1D-4556 [2] BOLT  
29. 5P-8244 [8] WASHER  
  C   INDICATES CHANGE
  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 235 :

LINES GP-SWING MOTOR
8K-2631 LINES GP-SWING MOTOR
LINES GP-SWING MOTOR
8K-2631 LINES GP-SWING MOTOR
MOTOR GP-PISTON-LINK
3G-3843 MOTOR GP-PISTON-LINK
LINES GP-SWING MOTOR
8K-2631 LINES GP-SWING MOTOR
LINES GP-SWING MOTOR
8K-2631 LINES GP-SWING MOTOR
PUMP GP-GEAR
3G-5958 PUMP GP-GEAR
COMBINER & RELIEF VALVE GP
8J-8921 COMBINER & RELIEF VALVE GP
VALVE GP
3G-3928 VALVE GP
MOTOR GP-PISTON
1U-2778 MOTOR GP-PISTON
1U-2778 MOTOR GP-PISTON
MOTOR GP-PISTON
4T-3068 MOTOR GP-PISTON
4T-3068 MOTOR GP-PISTON
VALVE GP-SHUTTLE
4T-3056 VALVE GP-SHUTTLE
VALVE GP-SHUTTLE
3G-3253 VALVE GP-SHUTTLE
VALVE GP-RELIEF
8J-9357 VALVE GP-RELIEF
LINES GP-TRACK MOTOR
3V-4888 LINES GP-TRACK MOTOR

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