087-4750 PUMP GP-MAIN HYDRAULIC S/N 2ZL139-UP; 3ML94-UP PART OF 7Y-1663 PUMP & MTG GP-MAIN HYDRAULIC Type 1 350-A



HYDRAULIC SYSTEM
PUMP GP
MOTOR GP
PUMP GP
SWIVEL GP

EXCAVATOR 350-A EXCAVATOR 2ZL
 350 & 350 L Excavators 2ZL00001-UP (MACHINE) POWERED BY 3306 Engine SEBP2250 350-A 2ZL   (1992)

HYDRAULIC SYSTEM

PUMP GP
PUMP GP-GEAR
7Y-4012 PUMP GP-GEAR
PUMP GP-MAIN HYDRAULIC
087-4750 PUMP GP-MAIN HYDRAULIC
PUMP GP-MAIN HYDRAULIC
087-4750 PUMP GP-MAIN HYDRAULIC
PUMP GP-MAIN HYDRAULIC
087-4750 PUMP GP-MAIN HYDRAULIC
PUMP GP-PISTON
107-6478 PUMP GP-PISTON
PUMP GP-PISTON
114-0631 PUMP GP-PISTON
 

#SEBP22500470
 

087-4750: PUMP GP-MAIN HYDRAULIC

087-4750 PUMP GP-MAIN HYDRAULIC
S/N 2ZL139-UP; 3ML94-UP
PART OF 7Y-1663 PUMP & MTG GP-MAIN HYDRAULIC
Type 1
i00463357 SEBP2250
0874750 PUMP GP-MAIN HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 350-A EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 095-1554 [2] SEAL-O-RING  
2. 107-6478 Y [1] PUMP GP-PISTON (FRONT, REAR)  
3. 107-6513 Y [2] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
4. 6I-6927 [1] PLATE  
5. 6I-6928 [1] FLANGE  
6. 6I-6929 [1] FLANGE  
7. 8T-6594 M [4] BOLT-SOCKET HEAD (M16X2X35-MM)  
8. 8T-0439 M [4] BOLT-SOCKET HEAD (M16X2X30-MM)  
9. 5B-9304 [2] SCREW-DRIVE (NO 2X3/16-IN)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22500471
 

087-4750: PUMP GP-MAIN HYDRAULIC

087-4750 PUMP GP-MAIN HYDRAULIC
S/N 2ZL139-UP; 3ML94-UP
PART OF 7Y-1663 PUMP & MTG GP-MAIN HYDRAULIC
Type 2
i00463359 SEBP2250
0874750 PUMP GP-MAIN HYDRAULIC Parts scheme
  For full view, you need register

Parts for your 350-A EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 8T-3338 [2] SEAL-O-RING  
2. 114-0631 Y [1] PUMP GP-PISTON (FRONT, REAR)  
3. 111-9995 Y [2] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
4. 8T-0439 M [4] BOLT-SOCKET HEAD (M16X2X30-MM)(M16X2 THD)  
5. 6I-6928 [1] FLANGE  
6. 6I-6929 [1] FLANGE  
7. 8T-6594 M [4] BOLT-SOCKET HEAD (M16X2X35-MM)  
  M   METRIC PART
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP22500472
 

107-6478: PUMP GP-PISTON

107-6478 PUMP GP-PISTON -FRONT, REAR
S/N 2ZL1-UP; 3ML1-UP
PART OF 087-4750 PUMP GP-MAIN HYDRAULIC
i00472342 SEBP2250
1076478 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 350-A EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 7I-8143 [1] SHAFT-FRONT  
2. 6V-5204 [2] RING-RETAINING  
3. 8T-1158 M [8] BOLT-SOCKET HEAD (M8X1.25X20-MM)  
4. 107-6477 [2] SUPPORT  
5. 7I-8168 [2] SEAL-O-RING (169.4MM ID)  
6. 095-0882 [5] PIN-SPRING  
7. 7I-8174 M [2] SETSCREW  
8. 8T-4131 M [4] NUT (M20X2.5-THD)  
9. 7I-8167 [2] STOP  
10. 7I-8171 [2] RING-BACKUP  
11. 109-1294 [2] SEAL-O-RING  
12. 7I-8165 [2] PISTON-SERVO  
13. 7I-8182 [2] PIN AS  
14. 095-1575 [15] SEAL-O-RING  
15. 109-1296 [2] SEAL-O-RING  
16. 7I-8172 [2] RING-BACKUP  
17. 7I-8166 [2] STOPPER  
18. 3J-1907 [2] SEAL-O-RING  
  9S-4191 [2] PLUG (9/16-18-THD)  
19. 7I-8156 [1] COVER  
20. 096-1445 [5] PLUG  
21. 8T-3220 M [2] EYEBOLT  
22. 095-1706 [1] SEAL-O-RING  
23. 7I-8175 [2] SETSCREW  
24. 7I-8169 [3] SEAL-O-RING  
25. 7I-8177 [2] ADAPTER  
26. 095-1592 [4] SEAL-O-RING  
27. 7I-8178 [2] PISTON AS  
28. 7I-8144 [1] SHAFT-REAR  
29. 7I-8157 [1] COVER  
30. 102-2564 M [4] BOLT-SOCKET HEAD  
31. 7I-8158 [2] BODY-CASING  
32. 7I-8170 [1] SEAL-LIP TYPE  
33. 095-1715 [2] SEAL-O-RING  
34. 7I-8180 [1] BARREL AS  
35. 5I-4168 [2] PIN  
36. 7I-8160 [1] COVER-VALVE  
37. 095-1579 [2] SEAL-O-RING  
38. 7I-8148 [3] SPACER-BEARING  
39. 7I-8149 [1] IMPELLER  
40. 7I-8159 [1] COVER-VALVE  
41. 7I-8145 [1] COUPLING  
42. 7I-8147 [2] BEARING AS-NEEDLE  
43. 7I-8179 [1] BARREL AS  
44. 7I-8163 [2] PLUG  
45. 7I-8164 [4] ORIFICE  
46. 7I-8152 [18] SPRING-CYLINDER  
47. 7I-8153 [2] SPACER  
48. 099-8141 [2] BUSHING  
49. 099-8144 [2] PLATE  
50. 7I-8154 [2] PLATE  
51. 107-6476 [2] SWASHPLATE AS  
52. 8T-6759 [28] PLUG-PIPE  
53. 102-2563 M [4] BOLT-SOCKET HEAD  
54. 7I-8146 [2] BEARING-ROLLER  
55. 107-6585 [1] ADAPTER  
56. 5I-8784 [1] ADAPTER  
  M   METRIC PART
 

#SEBP22500473
 

114-0631: PUMP GP-PISTON

114-0631 PUMP GP-PISTON -FRONT, REAR
S/N 2ZL1-UP; 3ML1-UP
PART OF 087-4750 PUMP GP-MAIN HYDRAULIC
i00482383 SEBP2250
1140631 PUMP GP-PISTON Parts scheme
  For full view, you need register

Parts for your 350-A EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 7I-8143 [1] SHAFT-FRONT  
2. 6V-5204 [2] RING-RETAINING  
3. 8T-1158 M [8] BOLT-SOCKET HEAD (M8X1.25X20-MM)  
4. 107-6477 [1] SUPPORT  
5. 7I-8168 [2] SEAL-O-RING (169.4MM ID)  
6. 095-0882 [5] PIN-SPRING  
7. 7I-8174 M [2] SETSCREW  
8. 8T-4131 M [4] NUT (M20X2.5-THD)  
9. 7I-8167 [2] STOP  
10. 7I-8171 [2] RING-BACKUP  
11. 109-1294 [2] SEAL-O-RING  
12. 7I-8165 [2] PISTON-SERVO  
13. 7I-8182 [2] PIN AS  
14. 095-1575 [15] SEAL-O-RING  
15. 109-1296 [2] SEAL-O-RING  
16. 7I-8172 [2] RING-BACKUP  
17. 7I-8166 [2] STOPPER  
18. 093-1321 [2] PLUG  
19. 114-0635 [1] SUPPORT  
20. 096-1445 [5] PLUG  
21. 8T-3220 M [2] EYEBOLT  
22. 095-1706 [1] SEAL-O-RING  
23. 114-0632 [2] SETSCREW  
24. 7I-8169 [3] SEAL-O-RING  
25. 7I-8177 [2] ADAPTER  
26. 095-1592 [4] SEAL-O-RING  
27. 7I-8178 [2] PISTON AS  
28. 7I-8144 [1] SHAFT-REAR  
29. 7I-8157 [1] COVER  
30. 102-2564 M [4] BOLT-SOCKET HEAD  
31. 7I-8158 [2] BODY-CASING  
32. 7I-8170 [1] SEAL-LIP TYPE  
33. 095-1715 [2] SEAL-O-RING  
34. 7I-8180 [1] BARREL AS  
35. 5I-4168 [2] PIN  
36. 114-0633 [1] COVER-VALVE  
37. 095-1579 [8] SEAL-O-RING  
38. 5I-8784 [1] ADAPTER  
39. 7I-8149 [1] IMPELLER  
40. 114-0634 [1] COVER-VALVE  
41. 7I-8145 [1] COUPLING  
42. 7I-8147 [2] BEARING AS-NEEDLE  
43. 7I-8179 [1] BARREL AS  
44. 7I-8163 [2] PLUG  
45. 7I-8164 [4] ORIFICE  
46. 7I-8152 [18] SPRING-CYLINDER  
47. 7I-8153 [2] SPACER  
48. 099-8141 [2] BUSHING  
49. 099-8144 [2] PLATE  
50. 7I-8154 [2] PLATE  
51. 107-6476 [2] SWASHPLATE AS  
52. 8T-6759 [28] PLUG-PIPE  
53. 102-2563 M [4] BOLT-SOCKET HEAD  
54. 7I-8146 [2] BEARING-ROLLER  
55. 107-6585 [1] ADAPTER  
56. 7I-8148 [3] SPACER-BEARING  
57. 7I-8156 [1] COVER  
  M   METRIC PART
 

#SEBP22500474
 

105-7281: PUMP GP-SWING

105-7281 PUMP GP-SWING
S/N 2ZL1-UP; 3ML1-UP
PART OF 7Y-1819 PUMP & MTG GP-HYDRAULIC
i00566280 SEBP2250
1057281 PUMP GP-SWING Parts scheme
  For full view, you need register

Parts for your 350-A EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 101-2862 [1] DOWEL  
2. 9X-6153 M [1] BOLT (M6X1X10-MM)  
3. 5I-4256 [1] HOUSING  
4. 107-6598 [1] FITTING  
5. 6E-3283 M [2] LOCKNUT (M12X1.75-THD)  
6. 9S-9334 [1] PLUG-O-RING  
7. 5I-4253 Y [1] ACTUATOR GP-PUMP  
8. 105-7319 Y [1] VALVE GP-PUMP CONTROL (PRESSURE, FLOW COMPENSATOR)  
9. 102-0801 Y [1] VALVE GP-SHUTTLE  
10. 9X-8482 M [2] SETSCREW-SOCKET (M12X1.75X70-MM)  
11. 102-0799 Y [1] ROTATING GP-PUMP  
12. 5I-4254 Y [1] ACTUATOR GP-PUMP  
13. 102-0802 Y [1] COVER GP-PUMP  
14. 102-0800 Y [1] HEAD GP-PUMP  
15. 128-8981 [2] CAP  
16. 122-5335 [2] CAP  
   
    AVAILABLE REPAIR KIT(S):
  102-0747 [1] KIT-SEAL  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP22500475
 

107-6546: ROTATING GP-MOTOR

107-6546 ROTATING GP-MOTOR
S/N 2ZL1-170; 3ML1-621
PART OF 107-6545 MOTOR GP-PISTON
i00472539 SEBP2250
1076546 ROTATING GP-MOTOR Parts scheme
  For full view, you need register

Parts for your 350-A EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 6I-6998 [1] COVER  
2. 7I-0041 [1] SEAL-LIP TYPE  
3. 095-0929 [1] RING-RETAINING (EXTERNAL)  
4. 118-4140 M [2] SCREW (M5X0.8X19-MM)  
5. 107-6547 [1] PLATE  
6. 7I-0004 [1] SPRING  
7. 7I-0037 B [1] SHIM (0.6-MM THK)  
  7I-0038 B [1] SHIM (0.8-MM THK)  
  7I-0039 B [1] SHIM (1-MM THK)  
  7I-0040 B [1] SHIM (1.2-MM THK)  
8. 7I-0003 [1] BEARING-ROLLER  
9. 5C-8292 [3] PIN  
10. 7I-7558 [1] BARREL AS  
11. 111-9915 [1] PISTON AS  
12. 6I-6997 [1] GUIDE  
13. 6I-6996 [1] RETAINER  
14. 7I-0001 [1] PLATE  
15. 116-3576 [2] PLATE  
16. 7I-0002 [1] BEARING-ROLLER  
17. 5H-6734 [1] SEAL-O-RING  
18. 6V-5202 [1] RING  
19. 6I-6994 [1] SHAFT  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP22500476
 

126-2045: ROTATING GP-MOTOR

126-2045 ROTATING GP-MOTOR
S/N 2ZL171-UP; 3ML622-UP
PART OF 126-2046 MOTOR GP-PISTON
i00513774 SEBP2250
1262045 ROTATING GP-MOTOR Parts scheme
  For full view, you need register

Parts for your 350-A EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 6I-6998 [1] COVER  
2. 7I-0041 [1] SEAL-LIP TYPE  
3. 095-0929 [1] RING-RETAINING (EXTERNAL)  
4. 118-4140 M [2] SCREW (M5X0.8X19-MM)  
5. 107-6547 [1] PLATE  
6. 7I-0004 [1] SPRING  
7. 7I-0037 B [1] SHIM (0.6-MM THK)  
8. 7I-0038 B [2] SHIM (0.8-MM THK)  
9. 7I-0039 B [1] SHIM (1-MM THK)  
10. 7I-0040 B [1] SHIM (1.2-MM THK)  
11. 7I-0003 [1] BEARING-ROLLER  
12. 200-3570 [3] PIN  
13. 6I-6994 [1] SHAFT  
14. 7I-7558 [1] BARREL AS  
  [1] PLATE-VALVE  
15. 111-9915 [1] PISTON AS  
16. 6I-6997 [1] GUIDE  
17. 126-2044 [1] RETAINER  
18. 7I-0001 [1] PLATE  
19. 116-3576 [2] PLATE  
20. 7I-0002 [1] BEARING-ROLLER  
21. 5H-6734 [1] SEAL-O-RING  
22. 6V-5202 [1] RING  
23. 122-5331 B [1] SHIM (1-MM THK)  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP22500477
 

102-0799: ROTATING GP-PUMP

102-0799 ROTATING GP-PUMP
S/N 2ZL1-UP; 3ML1-UP
PART OF 105-7281 PUMP GP-SWING
i00465165 SEBP2250
1020799 ROTATING GP-PUMP Parts scheme
  For full view, you need register

Parts for your 350-A EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 5I-4267 [1] COVER  
2. 6V-5683 M [4] BOLT (M6X1X16-MM)  
3. 4I-5957 [4] RING  
4. 6E-1693 [2] SEAL-SHAFT  
5. 6I-6962 [1] FLANGE  
6. 102-0804 [1] SWASHPLATE  
7. 5I-4272 [1] PLATE-RETAINING  
8. 5I-4273 [1] RETAINER-BALL  
9. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
10. 6E-3840 [2] ROD  
11. 2K-4472 [1] SEAL-O-RING  
12. 5H-3252 [1] SEAL-O-RING  
13. 5I-4263 [1] SPRING SET-CUP  
14. 5I-4268 B [1] SHIM (1.2-MM THK)  
15. 111-9914 [1] PISTON AS  
16. 102-0805 [1] SHAFT  
17. 102-0803 [1] BARREL AS  
18. 5I-4274 [2] SEGMENT  
19. 095-0927 [1] RING-RETAINING  
20. 102-0806 [1] BEARING AS  
21. 5I-4275 [1] BEARING-ROLLER  
22. 2J-8163 [1] SEAL-O-RING  
23. 9X-6420 [2] PIN-SPRING  
24. 6E-1574 [2] PIN  
25. 5I-4269 B [1] SHIM (1-MM THK)  
26. 5I-4270 B [1] SHIM (0.8-MM THK)  
27. 5I-4271 B [1] SHIM (0.6-MM THK)  
  B   USE AS REQUIRED
  M   METRIC PART
 

#SEBP22500478
 

7Y-4827: ROTOR GP-SWIVEL

7Y-4827 ROTOR GP-SWIVEL
S/N 2ZL1-UP; 3ML1-UP
PART OF 7Y-4825 SWIVEL GP
i00425215 SEBP2250
  For full view, you need register

Parts for your 350-A EXCAVATOR:

Pos. Part No Qty Parts name Comments
  7Y-4828 [1] ROTOR (CAST)  
    -OR-
  7Y-4830 Y [1] ROTOR GP-SWIVEL  
  Y   SEPARATE ILLUSTRATION
 

#SEBP22500479
 

7Y-4830: ROTOR GP-SWIVEL

7Y-4830 ROTOR GP-SWIVEL
S/N 2ZL1-UP; 3ML1-UP
PART OF 7Y-4827 ROTOR GP-SWIVEL
ALSO FIELD INSTALLATION
i00425219 SEBP2250
7Y4830 ROTOR GP-SWIVEL Parts scheme
  For full view, you need register

Parts for your 350-A EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 7Y-4836 [1] ROTOR  
2. 7Y-4832 [1] BLOCK AS  
3. 9X-8257 [5] WASHER (17.5X30X3.5-MM THK)  
4. 7X-2557 M [5] BOLT (M16X2X140-MM)  
5. 4J-5140 [1] SEAL-O-RING  
6. 4J-0521 [5] SEAL-O-RING  
  M   METRIC PART
 

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 350-A :

PUMP GP-MAIN HYDRAULIC
087-4750 PUMP GP-MAIN HYDRAULIC
PUMP GP-GEAR
7Y-4012 PUMP GP-GEAR
128-9055 PUMP GP-GEAR
PUMP GP-GEAR
118-0215 PUMP GP-GEAR
PUMP & MTG GP-MAIN HYDRAULIC
7Y-1663 PUMP & MTG GP-MAIN HYDRAULIC
PUMP & MTG GP-HYDRAULIC
7Y-1819 PUMP & MTG GP-HYDRAULIC
MOUNTING GP-VALVE
4I-3691 MOUNTING GP-VALVE
MOUNTING GP-CYLINDER
5I-7085 MOUNTING GP-CYLINDER
PUMP GP-MAIN HYDRAULIC
087-4750 PUMP GP-MAIN HYDRAULIC
PUMP GP-PISTON
107-6478 PUMP GP-PISTON
PUMP GP-PISTON
114-0631 PUMP GP-PISTON
PUMP GP-SWING
105-7281 PUMP GP-SWING
ROTATING GP-MOTOR
107-6546 ROTATING GP-MOTOR
ROTATING GP-MOTOR
126-2045 ROTATING GP-MOTOR
ROTATING GP-PUMP
102-0799 ROTATING GP-PUMP
7Y-4827 ROTOR GP-SWIVEL