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190-2572 COOLER GP-HYDRAULIC OIL S/N ALP1-UP PART OF 197-6026 COOLING AR, 168-7337 LINES GP-STEERING ALSO AN ATTACHMENT 621G


HYDRAULIC SYSTEM
COOLER GP
COUPLING GP
CYLINDER GP
FILTER GP
PUMP GP
FILTER GP
LINES GP-HYDRAULIC

WHEEL TRACTOR 621G WHEEL TRACTOR ALP
 621G Wheel Tractor ALP00001-UP (MACHINE) POWERED BY 3406E Engine SEBP3005 621G ALP   (1999)

HYDRAULIC SYSTEM

COOLER GP
COOLER GP-HYDRAULIC OIL
156-3915 COOLER GP-HYDRAULIC OIL
COOLER GP-HYDRAULIC OIL
190-2572 COOLER GP-HYDRAULIC OIL
LINES GP-HYDRAULIC OIL COOLER
156-2648 LINES GP-HYDRAULIC OIL COOLER
 

#SEBP30050380
 

190-2572: COOLER GP-HYDRAULIC OIL

190-2572 COOLER GP-HYDRAULIC OIL
S/N ALP1-UP
PART OF 197-6026 COOLING AR, 168-7337 LINES GP-STEERING
ALSO AN ATTACHMENT
i01358487 SEBP3005
1902572 COOLER GP-HYDRAULIC OIL Parts scheme
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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 215-3586 [1] CORE AS-OIL COOLER  
2. 189-0790 [1] BRACKET AS  
  1F-0750 [2] NUT-WELD (3/8-16-THD)  
3. 189-0791 [1] BRACKET AS  
  1F-0750 [2] NUT-WELD (3/8-16-THD)  
4. 5M-3062 [8] BOLT (3/8-16X0.75-IN)  
5. 5P-1075 [8] WASHER-HARD (10.2X22.5X3-MM THK)  
 

#SEBP30050381
 

118-6248: COUPLING GP-PUMP

118-6248 COUPLING GP-PUMP
S/N ALP1-UP
PART OF 137-5787 PUMP GP-PISTON
AN ATTACHMENT
i00687636 SEBP3005
1186248 COUPLING GP-PUMP Parts scheme
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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 118-7518 [1] COVER  
2. 118-8070 M [4] BOLT-SOCKET HEAD  
3. 118-7517 [1] FLANGE  
4. 118-7521 [2] SEAL  
5. 119-7843 [2] SEAL-O-RING  
6. 118-7519 [1] COUPLING  
7. 119-7844 [1] SEAL-O-RING  
8. 8C-5237 [1] SEAL-O-RING  
9. 118-7520 [1] RING-SEAL  
  M   METRIC PART
 

#SEBP30050382
 

108-3592: CYLINDER GP-LOAD

108-3592 CYLINDER GP-LOAD
S/N ALP1-UP
139.8-MM (5.5-IN) BORE X 251.5-MM (9.9-IN) STROKE
PART OF 8X-4923 HITCH & STEERING AR
i00158382 SEBP3005
1083592 CYLINDER GP-LOAD Parts scheme
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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2J-0564 [1] LOCKNUT (2-12-THD)  
2. 5J-4988 [1] SEAL AS  
3. 9T-3957 [1] HEAD  
4. 8J-9447 [1] CYLINDER AS  
5. 8J-0201 [1] BUSHING  
6. 8J-9935 [1] LUG  
7. 1A-8063 [4] BOLT (3/4-10X2.5-IN)  
  5P-8248 [4] WASHER-HARD (20X36.5X3.5-MM THK)  
8. 8J-9451 [1] ROD AS  
9. 8J-0201 [1] BUSHING  
10. 167-2201 [1] SEAL AS-BUFFER  
11. 167-2312 [1] SEAL-U-CUP  
12. 225-3281 [1] SEAL-WIPER  
13. 2K-2961 [1] RING-BACKUP  
14. 2H-9247 [1] SEAL-O-RING  
15. 7J-2672 [1] PISTON  
16. 4J-4606 [1] RING-WEAR  
17. 8T-5668 [1] RING-WEAR  
18. 3K-0360 [1] SEAL-O-RING  
  9S-4185 [1] PLUG (3/4-16-THD)  
  R   REMANUFACTURED PART MAY BE AVAILABLE
 

#SEBP30050383
 

101-3834: FILTER GP-OIL

101-3834 FILTER GP-OIL -HYDRAULIC MOTOR
S/N ALP1-UP
PART OF 110-9740 LINES GP-AUGER MOTOR
AN ATTACHMENT
i00148082 SEBP3005
1013834 FILTER GP-OIL Parts scheme
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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 108-1153 [1] FILTER-OIL (ADVANCED EFFICIENCY)  
2. 101-1168 [1] PLUG  
3. 3J-1907 [1] SEAL-O-RING  
4. 5F-9144 [1] SEAL-O-RING  
 

#SEBP30050384
 

107-5914: FILTER GP-OIL

107-5914 FILTER GP-OIL
S/N ALP1-UP
PART OF 110-9740 LINES GP-AUGER MOTOR
AN ATTACHMENT
i00728454 SEBP3005
1075914 FILTER GP-OIL Parts scheme
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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9T-0973 [1] FILTER-OIL (ADVANCED EFFICIENCY)  
2. 101-1168 [1] PLUG  
3. 3J-1907 [1] SEAL-O-RING  
4. 5F-9144 [1] SEAL-O-RING  
 

#SEBP30050385
 

178-0561: FILTER GP-OIL

178-0561 FILTER GP-OIL -TRAILING UNIT
S/N ALP1-UP
ULTRA HIGH EFFICIENCY
PART OF 155-3530 CONTROL GP-TRAILING UNIT
i01410172 SEBP3005
1780561 FILTER GP-OIL Parts scheme
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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 2M-9780 [1] SEAL-O-RING  
2. 373-9231 [1] RING  
3. 126-1814 [1] FILTER-OIL (ULTRA HIGH EFFICIENCY)  
4. 133-5342 Y [1] INDICATOR GP-OIL FILTER CHANGE (HYDRAULIC)  
5. 9S-8006 [1] PLUG (7/8-14-THD)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP30050386
 

9T-4915: FILTER GP-OIL

9T-4915 FILTER GP-OIL -HYDRAULIC
S/N ALP1-UP
EXTERNAL
PART OF 160-5109 TANK & FILTER GP-HYDRAULIC
i00158139 SEBP3005
9T4915 FILTER GP-OIL Parts scheme
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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9J-9316 [1] ROD  
2. 3G-7232 Y [1] BYPASS GP-FILTER (HYDRAULIC OIL)  
3. 9S-8010 [1] PLUG  
4. 2S-4078 [1] SEAL-O-RING  
5. 5P-8247 [4] WASHER-HARD (17X32X3.5-MM THK)  
6. 1A-1135 [4] BOLT (5/8-11X2-IN)  
7. 5P-3092 [1] SEAL-O-RING  
8. 3G-8151 [1] HOUSING AS  
9. 9J-4066 [1] SCREEN AS  
10. 1R-0732 [2] FILTER ELEMENT AS-OIL (STANDARD EFFICIENCY)  
    -OR-
  4T-3133 A [2] FILTER ELEMENT-OIL (FIRE RESISTANT FLUID)(HYDRAULIC OIL)  
  A   NOT PART OF THIS GROUP
  Y   SEPARATE ILLUSTRATION
 

#SEBP30050387
 

144-9084: HEAD GP-PUMP

144-9084 HEAD GP-PUMP
S/N ALP1-UP
PART OF 137-5787 PUMP GP-PISTON
AN ATTACHMENT
i00687648 SEBP3005
1449084 HEAD GP-PUMP Parts scheme
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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 087-4772 [5] PLUG-O-RING  
2. 095-0705 M [4] BOLT-SOCKET HEAD (M16X2X100-MM)  
3. 119-7845 [1] SEAL-O-RING  
4. 6E-4392 Y [1] VALVE GP-PUMP CONTROL  
5. 6E-4383 [1] BUSHING  
6. 6E-4382 [1] BUSHING  
7. 144-9099 [2] VALVE GP-RELIEF  
8. 6V-8398 [2] SEAL-O-RING  
9. 9T-3929 [1] PLUG AS  
  6E-5479 [1] SEAL  
10. 9S-8002 [2] PLUG (7/16-20-THD)  
11. 144-9103 [1] PLUG  
12. 144-9100 [1] HEAD-PUMP  
13. 3J-7354 [2] SEAL-O-RING  
14. 144-9101 [1] PLUG-BREAK OFF  
15. 144-9102 [1] ORIFICE  
16. 123-2017 [1] PLUG-BREAK OFF  
17. 6V-5326 [1] SEAL-O-RING  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP30050388
 

133-5342: INDICATOR GP-OIL FILTER CHANGE

133-5342 INDICATOR GP-OIL FILTER CHANGE
S/N ALP1-UP
DIFFERENTIAL
PART OF 178-0561 FILTER GP-OIL
i01298342 SEBP3005
1335342 INDICATOR GP-OIL FILTER CHANGE Parts scheme
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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 168-9239 [2] SCREW  
2. 150-4651 [2] SEAL-O-RING  
 

#SEBP30050389
 

110-9740: LINES GP-AUGER MOTOR

110-9740 LINES GP-AUGER MOTOR
S/N ALP1-UP
PART OF 156-2645 AUGER AR-TRACTOR
Type 1
AN ATTACHMENT
i00721516 SEBP3005
1109740 LINES GP-AUGER MOTOR Parts scheme 1109740 LINES GP-AUGER MOTOR Parts scheme 1109740 LINES GP-AUGER MOTOR Parts scheme
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Parts for your 621G WHEEL TRACTOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1B-4971 [2] SPACER (0.406X1X1-IN THK)  
2. 4W-5178 [1] BRACKET  
3. 5H-3124 [2] SPACER (0.406X1X0.625-IN THK)  
4. 5T-2795 [2] CLAMP  
5. 6E-6198 Y [1] VALVE GP-RELIEF  
6. 6G-1439 [2] CLAMP  
7. 6G-5065 [4] CLAMP  
8. 7I-5840 I [1] HOSE AS  
9. 8D-7032 [1] ANGLE  
10. 8L-5095 [1] LINK-LEVER  
11. 9C-4000 [1] CONNECTOR  
12. 101-3834 Y [1] FILTER GP-OIL (CHARGE PUMP)  
12A. 101-3834 Y [1] FILTER GP-OIL (AUGER PUMP CASE DRAIN)  
13. 105-7678 [1] PLATE  
14. 106-9041 [1] BRACKET AS  
15. 107-5914 Y [1] FILTER GP-OIL (AUGER MOTOR CASE DRAIN)  
16. 112-2858 [1] PLATE  
17. 116-8524 [2] ADAPTER  
18. 118-0343 I [1] HOSE AS  
19. 118-0344 I [1] HOSE AS  
20. 118-0346 I [1] HOSE AS  
21. 118-0347 I [2] HOSE AS  
22. 118-0348 I [1] HOSE AS  
23. 118-0350 [1] PLATE  
24. 118-0351 [1] ANGLE  
25. 118-0352 [1] BLOCK  
26. 118-0353 [1] PLATE  
28. 118-0355 [1] PLATE  
29. 118-0356 [1] BRACKET AS  
30. 118-0361 [1] PLATE  
31. 118-0362 [1] BRACKET AS  
  1F-0750 [4] NUT-WELD (3/8-16-THD)  
32. 118-0364 [1] PLATE  
33. 118-5442 I [1] HOSE AS  
34. 119-8659 I [1] HOSE AS  
35. 119-8660 I [1] HOSE AS  
36. 119-8661 I [1] HOSE AS  
37. 144-7090 [4] CLIP (SLOT)  
38. 146-8489 [1] TUBE AS  
39. 146-8496 I [1] HOSE AS  
40. 146-8500 I [1] HOSE AS  
41. 163-1835 I [1] HOSE AS  
42. 164-5567 [1] COUPLER AS-QUICK DISCONNECT (MALE)  
  6V-3965 [1] FITTING (QUICK DISCONNECT)  
  3J-1907 [1] SEAL-O-RING  
43. 170-0966 [1] TEE AS  
  3K-0360 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
  8C-3415 [1] TEE  
44. 110-6349 [2] FITTING AS (QUICK DISCONNECT)  
45. 144-7091 [4] CLIP (TAB)  
46. 148-8309 [1] ADAPTER AS  
  2P-8421 [1] ADAPTER-O-RING  
  3D-2824 [1] SEAL-O-RING  
47. 148-8323 [3] CONNECTOR AS  
    (EACH INCLUDES)
  6V-9875 [1] CONNECTOR  
  2S-4078 [1] SEAL-O-RING  
  5K-9090 [1] SEAL-O-RING  
48. 148-8327 [2] CONNECTOR AS  
    (EACH INCLUDES)
  6V-8637 [1] CONNECTOR  
  3D-2824 [1] SEAL-O-RING  
  6V-9746 [1] SEAL-O-RING  
49. 148-8334 [1] CONNECTOR AS  
  8T-3611 [1] CONNECTOR  
  2S-4078 [1] SEAL-O-RING  
  6V-8400 [1] SEAL-O-RING  
50. 148-8335 [3] CONNECTOR AS  
    (EACH INCLUDES)
  6V-8635 [1] CONNECTOR  
  5K-9090 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
51. 148-8336 [1] CONNECTOR AS  
  6V-8636 [1] CONNECTOR  
  3J-1907 [1] SEAL-O-RING  
  6V-8397 [1] SEAL-O-RING  
52. 148-8339 [1] CONNECTOR AS  
  6V-8716 [1] CONNECTOR (STRAIGHT)  
  6V-9746 [1] SEAL-O-RING  
  7M-8485 [1] SEAL-O-RING  
53. 148-8352 [2] ELBOW AS  
    (EACH INCLUDES)
  6V-9854 [1] ELBOW (SWIVEL)  
  5K-9090 [1] SEAL-O-RING  
54. 148-8362 [1] ELBOW AS  
  8T-6684 [1] ELBOW  
  3D-2824 [1] SEAL-O-RING  
  5K-9090 [1] SEAL-O-RING  
56. 148-8391 [1] ELBOW AS  
  8T-8987 [1] ELBOW  
  2S-4078 [1] SEAL-O-RING  
  5K-9090 [1] SEAL-O-RING  
57. 148-8429 [1] TEE AS  
  5K-9090 [1] SEAL-O-RING  
  6V-9840 [1] TEE-SWIVEL  
58. 153-6236 [1] REDUCER AS  
  6V-8946 [1] REDUCER  
  6V-9746 [1] SEAL-O-RING  
59. 171-6725 [1] ELBOW AS  
  8T-6451 [1] ELBOW  
  3D-2824 [1] SEAL-O-RING  
60. 1P-3703 [6] SEAL-RECTANGULAR  
61. 1P-3704 [2] SEAL-RECTANGULAR  
62. 1P-3705 [1] SEAL-RECTANGULAR  
63. 1P-4576 [4] FLANGE-HALF  
64. 1P-4577 [2] FLANGE-HALF  
65. 1P-4579 [2] FLANGE-HALF  
66. 1P-5766 [6] FLANGE-HALF  
67. 1P-5767 [4] FLANGE-HALF  
68. 2P-1974 [2] STUD-TAPERLOCK (3/8-16X4.2-IN)  
69. 3F-7147 [8] BOLT (1/2-13X1.5-IN)  
70. 3J-7354 [2] SEAL-O-RING  
71. 4J-0520 [2] SEAL-O-RING  
72. 4J-0522 [1] SEAL-O-RING  
73. 4J-0524 [3] SEAL-O-RING  
74. 4J-5267 [2] SEAL-O-RING  
75. 4L-6454 [16] BOLT (3/8-16X1-IN)  
76. 4L-6459 [2] BOLT (3/8-16X2.5-IN)  
77. 4L-9337 [3] BOLT (3/8-16X1.5-IN)  
78. 5P-1075 [24] WASHER-HARD (10.2X22.5X3-MM THK)  
79. 5P-1076 [9] WASHER-HARD (13.5X30X4-MM THK)  
80. 5P-2566 [5] BOLT (1/2-13X1.5-IN)  
81. 5P-7468 [8] CLIP (SLOT)  
82. 5P-7469 [8] CLIP (TAB)  
83. 5P-7854 [2] CLIP  
84. 5P-8444 [4] GROMMET (37-MM ID)  
85. 5S-7382 [12] BOLT (3/8-16X1.375-IN)  
86. 5S-7383 [1] BOLT (3/8-16X1.75-IN)  
87. 6V-0400 [4] FLANGE-HALF  
88. 6V-0852 [2] CAP-DUST (AUGER MOTOR LINES)  
89. 6V-1889 [1] CLIP (LOOP)  
90. 6V-4432 [4] BOLT (1/2-13X4-IN)  
91. 6V-8188 [5] NUT (1/2-13-THD)  
92. 6V-8801 [16] NUT (3/8-16-THD)  
93. 7X-0294 [1] BOLT (3/8-16X5-IN)  
94. 7X-0301 [1] BOLT (3/8-16X7-IN)  
95. 7X-0351 [2] BOLT (5/8-11X3.75-IN)  
96. 7X-0447 [1] NUT (7/16-14-THD)  
97. 8C-6877 [12] BOLT (7/16-14X1.75-IN)  
98. 8M-2773 [2] CLIP (LOOP)  
99. 8S-0023 [2] CLIP (SLOT)  
100. 8S-0024 [2] CLIP (TAB)  
101. 8T-2525 [4] GROMMET  
102. 8T-4122 [2] WASHER-HARD (17X32X3.5-MM THK)  
103. 8T-4184 M [8] BOLT (M12X1.75X45-MM)  
104. 8T-4223 [30] WASHER-HARD (13.5X25.5X3-MM THK)  
105. 8T-4835 [4] BOLT (1/2-13X2-IN)  
106. 8T-4896 [36] WASHER-HARD (10.2X18.5X2.5-MM THK)  
107. 8T-5360 [14] WASHER (12X22.5X2.5-MM THK)  
108. 8T-7008 [1] BOLT (3/8-16X3-IN)  
109. 8T-8915 [2] BOLT (3/8-16X3.25-IN)  
110. 8T-8917 [3] BOLT (1/2-13X1.25-IN)  
111. 8T-8919 [10] BOLT (1/2-13X1.75-IN)  
112. 8T-9378 [1] BOLT (3/8-16X4-IN)  
113. 8T-9382 [1] BOLT (7/16-14X1.25-IN)  
114. 9B-7237 [5] BOLT (3/8-16X1.25-IN)  
  I   REFER TO HYDRAULIC INFORMATION SYSTEM
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Caterpillar Parts SIS Catalog 621G :

COOLER GP-HYDRAULIC OIL
156-3915 COOLER GP-HYDRAULIC OIL
CONTROL GP-TRAILING UNIT
155-3530 CONTROL GP-TRAILING UNIT
CONTROL GP-TRAILING UNIT
155-3530 CONTROL GP-TRAILING UNIT
CONTROL GP-TRAILING UNIT
110-9742 CONTROL GP-TRAILING UNIT
BYPASS GP-FILTER
3G-7232 BYPASS GP-FILTER
ACTUATOR GP-PUMP
144-9083 ACTUATOR GP-PUMP
ACTUATOR GP-PILOT CONTROL
192-6443 ACTUATOR GP-PILOT CONTROL
ACTUATOR GP-PILOT CONTROL
172-5392 ACTUATOR GP-PILOT CONTROL
COUPLING GP-PUMP
118-6248 COUPLING GP-PUMP
CYLINDER GP-LOAD
108-3592 CYLINDER GP-LOAD
FILTER GP-OIL
101-3834 FILTER GP-OIL
FILTER GP-OIL
107-5914 FILTER GP-OIL
FILTER GP-OIL
178-0561 FILTER GP-OIL
FILTER GP-OIL
9T-4915 FILTER GP-OIL
HEAD GP-PUMP
144-9084 HEAD GP-PUMP
INDICATOR GP-OIL FILTER CHANGE
133-5342 INDICATOR GP-OIL FILTER CHANGE

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