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280-2355 PLANETARY GP-SWING DRIVE PART OF 266-6396 DRIVE GP-SWING 303.5E MINI HYD EXCAVATOR




HYDRAULIC SYSTEM

DRIVE GP
 

#SEBP59570250
 

280-2355: PLANETARY GP-SWING DRIVE

280-2355 PLANETARY GP-SWING DRIVE
PART OF 266-6396 DRIVE GP-SWING
i04019571 SEBP5957
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Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 280-2357 [1] GEAR  
2. 280-2358 [1] GEAR  
3. 280-2359 [1] SEAL  
4. 6V-5587 J [4] RING-RETAINING  
5. 5A-3604 M [6] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
6. 280-2360 [1] RING  
7. 280-2361 [1] KIT-PINION  
    (INCLUDES PINION SHAFT, RING SEAL, BEARINGS, BODY, SEAL, COLLARS, GEAR & PINS)
8. 280-2362 J [1] KIT-CARRIER  
    (ALSO INCLUDES CARRIER, THRUST WASHERS, RINGS, NEEDLES, GEARS & THRUST PLATE)
9. 280-2363 [1] KIT-CARRIER  
    (ALSO INCLUDES CARRIER, THRUST WASHERS, RINGS, NEEDLES, GEARS & THRUST PLATE)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP59570251
 

376-2012: PUMP & MTG GP-MAIN HYDRAULIC

376-2012 PUMP & MTG GP-MAIN HYDRAULIC
PART OF 379-4713 HYDRAULIC AR
i04728051 SEBP5957
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Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 388-6412 M [8] BOLT (M10X1.25X50-MM)  
2. 390-8885 [1] COUPLING-PUMP  
3. 374-2025 Y [1] PUMP GP-PISTON & GEAR (MAIN HYDRAULIC)  
4. 380-6357 [1] HOUSING AS-FLYWHEEL  
  387-3788 [2] PIN  
5. 6V-8200 M [3] BOLT-SOCKET HEAD (M12X1.75X35-MM)  
6. 8T-4121 [7] WASHER-HARD (11X21X2.5-MM THK)  
7. 8T-4183 M [2] BOLT (M12X1.75X40-MM)  
8. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
9. 9X-2027 [1] WASHER (11X18X2-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP59570252
 

374-2025: PUMP GP-PISTON & GEAR

374-2025 PUMP GP-PISTON & GEAR -MAIN HYDRAULIC
PART OF 376-2012 PUMP & MTG GP-MAIN HYDRAULIC
i04728050 SEBP5957
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Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 280-4441 [1] BEARING  
2. 191-3925 [1] BEARING  
3. 279-4684 [1] SEAL  
4. 6V-7723 [1] RING-RETAINING  
5. 280-4442 [1] STOP  
6. 280-4443 [1] SHAFT  
7. 191-3918 [1] WASHER  
8. 191-3920 [1] WASHER  
9. 280-4444 [1] GASKET  
10. 279-4687 [3] PIN  
11. 095-1571 [1] SEAL-O-RING  
12. 390-9455 [2] BUSHING  
13. 139-7355 [2] SCREW  
14. 280-4446 [1] PLATE  
15. 279-4692 [1] STOPPER  
16. 281-3000 [1] PIN  
17. 095-1575 JL [6] SEAL-O-RING  
18. 279-4691 [1] ORIFICE  
19. 280-4448 [1] SPRING  
20. 280-4449 [1] SPRING  
21. 280-4450 [2] SEAT  
22. 279-4698 [1] NUT  
23. 279-4699 [1] PUMP GP-GEAR (PILOT)  
24. 303-4492 [2] BOLT  
25. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
26. 6V-8200 M [4] BOLT-SOCKET HEAD (M12X1.75X35-MM)  
27. 279-4706 [3] PLUG  
28. 3J-1907 JL [3] SEAL-O-RING  
29. 6V-5683 M [4] BOLT (M6X1X16-MM)  
30. 279-4693 [1] PIN  
31. 279-4705 J [1] SEAL-O-RING  
32. 279-4701 J [1] SEAL-O-RING  
33. 279-4703 J [1] SEAL-O-RING  
34. 280-4451 [1] PIN  
35. 279-4697 [1] VALVE AS-PUMP (HYDRAULIC)  
    (INCLUDES O-RINGS & PLUG)
36. 280-4458 [1] KIT-SWASHPLATE  
37. 280-4459 [1] KIT-BARREL  
38. 332-1292 Y [1] VALVE GP-PUMP CONTROL  
   
    AVAILABLE REPAIR KIT(S):
  279-4707 J [1] KIT-SEAL (MAIN HYDRAULIC PUMP)  
  279-4709 L [1] KIT-SEAL (MAIN HYDRAULIC PUMP)  
    (ALSO INCLUDES O-RING)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP59570253
 

191-7516: SWIVEL GP

191-7516 SWIVEL GP
PART OF 292-8293 LINES GP-TRAVEL MOTOR
AN ATTACHMENT
i01631480 SEBP5957
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Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-8051 [3] PLUG  
2. 146-4875 [1] SEAL-BACK UP  
3. 146-4877 [1] SEAL-DUST  
4. 169-1134 [1] FLANGE  
5. 169-1135 [1] RING  
6. 193-5330 [7] SEAL AS  
7. 221-0936 [1] SHAFT  
8. 221-0937 [1] HOUSING  
9. 221-0938 [1] PIN  
10. 095-1623 [1] SEAL-O-RING  
11. 095-1710 [1] SEAL-O-RING  
12. 095-1713 [1] SEAL-O-RING  
13. 095-7951 [1] RING-RETAINING  
14. 095-9397 [4] LOCKWASHER  
15. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
  M   METRIC PART
 

#SEBP59570254
 

266-6836: SWIVEL GP

266-6836 SWIVEL GP
PART OF 280-7620 LINES GP-TRAVEL MOTOR
AN ATTACHMENT
i03971153 SEBP5957
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Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 274-3344 [1] SHAFT  
2. 274-3346 [1] HOUSING  
3. 294-1868 [1] COVER  
4. 274-3349 [1] SPACER  
5. 169-1136 [1] PIN  
6. 274-3351 [6] SEAL AS  
7. 193-5330 [4] SEAL AS  
8. 095-1623 [1] SEAL-O-RING  
9. 095-1713 [2] SEAL-O-RING  
10. 8T-5376 [1] SEAL-O-RING  
11. 146-4875 [1] SEAL-BACK UP  
12. 146-4877 [1] SEAL-DUST  
13. 095-0929 [1] RING-RETAINING  
14. 9X-6032 M [4] BOLT-SOCKET HEAD (M10X1.5X30-MM)  
15. 095-0966 [5] PLUG  
  M   METRIC PART
 

#SEBP59570255
 

367-1050: TANK & FILTER GP-HYDRAULIC

367-1050 TANK & FILTER GP-HYDRAULIC
PART OF 367-0936 TANK & MTG GP-HYDRAULIC
i04629815 SEBP5957
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Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 4I-3745 [1] CAP-PRESSURE (HYDRAULIC TANK)  
2. 093-5537 [1] VALVE AS-CHECK (HYDRAULIC TANK)  
3. 225-3697 [1] SPRING  
4. 265-8631 [1] COVER AS  
5. 265-8632 [1] COVER  
6. 265-8677 [1] VALVE AS-PRESSURE (HYDRAULIC OIL)  
7. 285-1951 [1] STRAINER-SUCTION (HYDRAULIC TANK)  
8. 304-7196 [1] FILTER ELEMENT-OIL (HYDRAULIC)  
9. 347-6081 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
10. 367-1051 [1] TANK AS-HYDRAULIC  
11. 095-1717 [2] SEAL-O-RING  
12. 148-8410 [1] PLUG AS  
  2M-9780 [1] SEAL-O-RING  
  9S-4190 [1] PLUG-O-RING (7/8-14-THD)  
13. 6D-3479 [1] CLIP (LOOP)  
14. 8T-4121 [8] WASHER-HARD (11X21X2.5-MM THK)  
15. 8T-4136 M [8] BOLT (M10X1.5X25-MM)  
16. 7Y-1976 E HOSE-WATER (108-CM)  
  E   ORDER BY THE CENTIMETER
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP59570256
 

367-0936: TANK & MTG GP-HYDRAULIC

367-0936 TANK & MTG GP-HYDRAULIC
PART OF 379-4713 HYDRAULIC AR
i04629813 SEBP5957
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Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 367-1050 Y [1] TANK & FILTER GP-HYDRAULIC  
2. 7X-7729 [4] WASHER (11X25X3-MM THK)  
3. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP59570257
 

421-2717: VALVE & MOUNTING GP

421-2717 VALVE & MOUNTING GP -CANOPY
S/N RKY1466-UP
PART OF 377-8933, 383-5929 CANOPY AR
AN ATTACHMENT
i05023351 SEBP5957
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Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 101-7404 M [2] BOLT-SOCKET HEAD (M10X1.5X30-MM)  
2. 438-8362 [1] VALVE GP-PILOT (CANOPY)  
  M   METRIC PART
 

#SEBP59570258
 

379-4734: VALVE & MTG GP-BANK

379-4734 VALVE & MTG GP-BANK
S/N RKY1-1378
PART OF 377-8920 BLADE AR-STRAIGHT
AN ATTACHMENT
i04728070 SEBP5957
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Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 315-5815 Y [1] VALVE GP-MAIN CONTROL  
2. 381-1119 [1] SUPPORT AS  
  7T-1099 [1] LINK  
  8T-3490 M [2] NUT-WELD (M10X1.5-THD)  
3. 7X-7729 [4] WASHER (11X25X3-MM THK)  
4. 8T-4121 [5] WASHER-HARD (11X21X2.5-MM THK)  
5. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
6. 8T-4191 M [1] BOLT (M10X1.5X16-MM)  
7. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP59570259
 

379-4734: VALVE & MTG GP-BANK

379-4734 VALVE & MTG GP-BANK
S/N RKY1379-UP
PART OF 377-8920 BLADE AR-STRAIGHT
AN ATTACHMENT
i05393143 SEBP5957
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Parts for your 303.5E MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 417-1065 CY [1] VALVE GP-MAIN CONTROL (BANK)  
2. 381-1119 [1] SUPPORT AS  
  7T-1099 [1] LINK  
  8T-3490 M [2] NUT-WELD (M10X1.5-THD)  
3. 7X-7729 [4] WASHER (11X25X3-MM THK)  
4. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
5. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
6. 8T-4195 M [4] BOLT (M10X1.5X30-MM)  
  C   CHANGE FROM PREVIOUS TYPE
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Specifications
Swing Drive Mounting
303.5E CR and 304E CR Mini Hydraulic Excavators Machine System Specifications
Disassembly and Assembly
Swing Motor and Swing Drive - Remove
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Disassemble
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Assemble
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Install
303E CR, 303.5E, 304E, 305.5E and 305E Mini Hydraulic Excavators Machine Systems

Caterpillar Parts SIS Catalog 303.5E :

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