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280-2355 PLANETARY GP-SWING DRIVE PART OF 266-6396 DRIVE GP-SWING ALSO AN ATTACHMENT 303.5E2 MINI HYD EXCAVATOR


HYDRAULIC SYSTEM
DRIVE GP
PUMP GP
SWIVEL GP
TANK GP
VALVE GP-CONTROL

MINI HYD EXCAVATOR 303.5E2 MINI HYD EXCAVATOR JWY
 303.5E2 Mini Hydraulic Excavator JWY00001-UP (MACHINE) POWERED BY C1.7 Engine SEBP7633 303.5E2 JWY   (2015)

HYDRAULIC SYSTEM

DRIVE GP
DRIVE GP-SWING
266-6396 DRIVE GP-SWING
PLANETARY GP-SWING DRIVE
280-2355 PLANETARY GP-SWING DRIVE
 

#SEBP76330310
 

280-2355: PLANETARY GP-SWING DRIVE

280-2355 PLANETARY GP-SWING DRIVE
PART OF 266-6396 DRIVE GP-SWING
ALSO AN ATTACHMENT
i05836620 SEBP7633
2802355 PLANETARY GP-SWING DRIVE Parts scheme
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Parts for your 303.5E2 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, SEAL RING, BEARINGS, BODY, SEAL, COLLAR, 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  
    (INCLUDES CARRIER, THRUST WASHERS, RINGS, NEEDLES, GEARS & THRUST PLATE)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP76330311
 

461-2785: PUMP & MTG GP-MAIN HYDRAULIC

461-2785 PUMP & MTG GP-MAIN HYDRAULIC
PART OF 460-8473 HYDRAULIC AR
ALSO AN ATTACHMENT
i06187932 SEBP7633
4612785 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme
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Parts for your 303.5E2 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. 442-5649 Y [1] PUMP GP-PISTON  
4. 461-2786 [1] HOUSING AS-FLYWHEEL  
  520-0323 [2] PIN-DOWEL  
  [1] HOUSING-COVER  
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
 

#SEBP76330312
 

442-5649: PUMP GP-PISTON

442-5649 PUMP GP-PISTON
PART OF 461-2785 PUMP & MTG GP-MAIN HYDRAULIC
ALSO AN ATTACHMENT
i05843807 SEBP7633
4425649 PUMP GP-PISTON Parts scheme
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Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 455-7950 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)(FLOW COMPENSATOR)  
2. 341-7630 [1] VALVE-PUMP CONTROL (FLOW COMPENSATOR)  
3. 8T-9597 [1] RING-RETAINING  
4. 194-9473 [1] RING  
5. 359-1006 [1] SPRING  
6. 379-5187 [1] SPRING  
7. 333-7840 [1] STOP  
8. 9X-8979 [1] DOWEL  
9. 9X-6032 M [4] BOLT-SOCKET HEAD (M10X1.5X30-MM)  
10. 455-7946 [1] STOP  
11. 155-9148 [1] SEAL-O-RING  
12. 9S-8005 [3] PLUG (3/4-16-THD)  
13. 3K-0360 [3] SEAL-O-RING  
14. 355-2418 [1] BEARING  
15. 191-7582 [1] SHIM (2.5-MM THK)  
16. 355-2420 Y [1] ROTATING GP-PUMP (HYDRAULIC FAN)  
17. 6R-7943 M [2] SCREW (M5X0.8X15-MM)  
18. 364-2043 [1] BEARING-ROLLER  
19. 185-0303 [1] SEAL-OIL  
20. 351-6663 [2] BEARING-CRADLE  
21. 168-3504 [2] SEAL  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76330313
 

355-2420: ROTATING GP-PUMP

355-2420 ROTATING GP-PUMP
PART OF 442-5649 PUMP GP-PISTON
ALSO AN ATTACHMENT
i04158986 SEBP7633
3552420 ROTATING GP-PUMP Parts scheme
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Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 355-2422 [1] PLATE-VALVE  
2. 295-9539 [1] RETAINER  
3. 355-2421 [9] PISTON AS  
4. 295-9540 [1] RETAINER-BALL  
 

#SEBP76330314
 

191-7516: SWIVEL GP

191-7516 SWIVEL GP
PART OF 452-5553 LINES GP-TRAVEL MOTOR
AN ATTACHMENT
i05871127 SEBP7633
1917516 SWIVEL GP Parts scheme
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Parts for your 303.5E2 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
 

#SEBP76330315
 

266-6836: SWIVEL GP

266-6836 SWIVEL GP
PART OF 452-5555 LINES GP-TRAVEL MOTOR
AN ATTACHMENT
i05767735 SEBP7633
2666836 SWIVEL GP Parts scheme
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Parts for your 303.5E2 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
 

#SEBP76330316
 

425-5617: TANK & FILTER GP-HYDRAULIC

425-5617 TANK & FILTER GP-HYDRAULIC
79.9-LITER (21.1-US GAL)
PART OF 425-5616 TANK & MTG GP-HYDRAULIC
ALSO AN ATTACHMENT
i05836549 SEBP7633
4255617 TANK & FILTER GP-HYDRAULIC Parts scheme
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Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3S-2093 [1] STRAP-CABLE  
2. 4I-3745 [1] CAP-PRESSURE (HYDRAULIC TANK)  
3. 262-5689 [1] STRAINER AS (HYDRAULIC TANK)  
  135-7940 [1] SEAL-O-RING  
4. 347-6081 Y [1] GAUGE GP-SIGHT (HYDRAULIC OIL LEVEL)  
5. 425-5618 [1] TANK AS-HYDRAULIC  
6. 148-8407 [1] PLUG AS  
  3J-1907 [1] SEAL-O-RING  
  9S-4191 [1] PLUG (9/16-18-THD)  
7. 7Y-1976 E HOSE-WATER (113-CM)  
  E   ORDER BY THE CENTIMETER
  Y   SEPARATE ILLUSTRATION
 

#SEBP76330317
 

425-5616: TANK & MTG GP-HYDRAULIC

425-5616 TANK & MTG GP-HYDRAULIC
PART OF 460-8473 HYDRAULIC AR
ALSO AN ATTACHMENT
i05836548 SEBP7633
4255616 TANK & MTG GP-HYDRAULIC Parts scheme
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Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 425-5617 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
 

#SEBP76330318
 

415-5010: VALVE & MTG GP-CONTROL

415-5010 VALVE & MTG GP-CONTROL -BLADE
PART OF 456-2634, 456-2641 CAB AR, 456-2627 CANOPY AR
AN ATTACHMENT
i05759593 SEBP7633
4155010 VALVE & MTG GP-CONTROL Parts scheme
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Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 438-8361 Y [1] VALVE GP-PILOT (BLADE CONTROL)  
2. 101-7404 M [2] BOLT-SOCKET HEAD (M10X1.5X30-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76330319
 

415-5026: VALVE & MTG GP-CONTROL

415-5026 VALVE & MTG GP-CONTROL -2-WAY
PART OF 397-7122 CONTROL AR-AUXILIARY
AN ATTACHMENT
i05767394 SEBP7633
4155026 VALVE & MTG GP-CONTROL Parts scheme
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Parts for your 303.5E2 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 372-9898 Y [1] VALVE GP-FLOW CONTROL (2-WAY)  
2. 378-9748 [1] BRACKET AS  
3. 148-8325 [3] CONNECTOR AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8641 [1] CONNECTOR  
4. 148-8351 [3] ELBOW AS  
    (EACH INCLUDES)
  4J-5477 [1] SEAL-O-RING  
  6V-9849 [1] ELBOW  
5. 148-8368 [4] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  6V-8627 [1] ELBOW  
6. 150-3033 [1] ELBOW AS  
    (EACH INCLUDES)
  3J-1907 [1] SEAL-O-RING  
  4J-5477 [1] SEAL-O-RING  
  8T-0164 [1] ELBOW  
7. 187-2120 [1] ELBOW AS  
  4J-5477 [1] SEAL-O-RING  
  8C-8408 [1] ELBOW  
8. 8T-4121 [2] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4136 M [2] BOLT (M10X1.5X25-MM)  
10. 8T-4224 [2] WASHER-HARD (8.8X16X2-MM THK)  
11. 8T-6870 M [2] BOLT (M8X1.25X70-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

Information:

Specifications
Swing Drive Mounting
303.5E2 CR, 304.5E2 XTC, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine System Specifications
Systems Operation
Swing Drive
303.5E2 CR, 304E2 CR, 304.5E2 XTC, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Hydraulic System
Disassembly and Assembly
Swing Motor and Swing Drive - Remove and Install
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Disassemble
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems
Swing Motor and Swing Drive - Assemble
303.5E2 CR, 304E2 CR, 305.5E2 CR and 305E2 CR Mini Hydraulic Excavators Machine Systems

Caterpillar Parts SIS Catalog 303.5E2 :

MOUNTING GP-VALVE
390-8873 MOUNTING GP-VALVE
MOUNTING GP-CYLINDER
452-2741 MOUNTING GP-CYLINDER
MOTOR GP-SWING
281-3052 MOTOR GP-SWING
MOTOR GP-PISTON
461-0522 MOTOR GP-PISTON
MOTOR & MTG GP-SWING
265-8752 MOTOR & MTG GP-SWING
MANIFOLD GP-CONTROL
449-1609 MANIFOLD GP-CONTROL
LINES GP-TRAVEL MOTOR
452-5555 LINES GP-TRAVEL MOTOR
LINES GP-TRAVEL MOTOR
452-5553 LINES GP-TRAVEL MOTOR
PUMP & MTG GP-MAIN HYDRAULIC
461-2785 PUMP & MTG GP-MAIN HYDRAULIC
PUMP GP-PISTON
442-5649 PUMP GP-PISTON
ROTATING GP-PUMP
355-2420 ROTATING GP-PUMP
SWIVEL GP
191-7516 SWIVEL GP
SWIVEL GP
266-6836 SWIVEL GP
TANK & FILTER GP-HYDRAULIC
425-5617 TANK & FILTER GP-HYDRAULIC
TANK & MTG GP-HYDRAULIC
425-5616 TANK & MTG GP-HYDRAULIC
VALVE & MTG GP-CONTROL
415-5010 VALVE & MTG GP-CONTROL
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