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397-6943 MOTOR & MTG GP-TRAVEL PART OF 397-7056 POWER TRAIN AR 303.5E2 CR MINI HYD EXCAVATOR


HYDRAULIC SYSTEM
MOTOR GP
DRIVE GP
PUMP GP
SWIVEL GP
TANK GP

MINI HYD EXCAVATOR 303.5E2 CR MINI HYD EXCAVATOR CR9
 303.5E2 CR Mini Hydraulic Excavator CR900001-UP (MACHINE) POWERED BY C1.7 Engine SEBP7616 303.5E2 CR CR9   (2015)

HYDRAULIC SYSTEM

MOTOR GP
MOTOR & MTG GP-SWING
265-8752 MOTOR & MTG GP-SWING
MOTOR & MTG GP-TRAVEL
397-6943 MOTOR & MTG GP-TRAVEL
MOTOR GP-PISTON
461-0522 MOTOR GP-PISTON
MOTOR GP-SWING
281-3052 MOTOR GP-SWING
 

#SEBP76160190
 

397-6943: MOTOR & MTG GP-TRAVEL

397-6943 MOTOR & MTG GP-TRAVEL
PART OF 397-7056 POWER TRAIN AR
i06128208 SEBP7616
3976943 MOTOR & MTG GP-TRAVEL Parts scheme
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 417-1113 Y [2] DRIVE GP-FINAL  
2. 8T-4223 [24] WASHER-HARD (13.5X25.5X3-MM THK)  
3. 8T-4956 M [24] BOLT (M12X1.75X35-MM)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76160191
 

461-0522: MOTOR GP-PISTON

461-0522 MOTOR GP-PISTON
PART OF 417-1113 DRIVE GP-FINAL
i06156099 SEBP7616
4610522 MOTOR GP-PISTON Parts scheme
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 095-1719 J [1] SEAL-O-RING  
2. 095-1574 J [2] SEAL-O-RING  
3. 461-0526 J [1] SEAL  
4. 8T-1159 M [7] BOLT-SOCKET HEAD (M10X1.5X25-MM)  
5. 095-1716 J [1] SEAL-O-RING  
6. 095-1714 J [1] SEAL-O-RING  
7. 461-0527 J [1] RING-BACKUP  
8. 461-0528 J [1] RING-BACKUP  
9. 095-1575 J [2] SEAL-O-RING  
10. 095-1582 J [2] SEAL-O-RING  
11. 095-1593 J [2] SEAL-O-RING  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
   
    AVAILABLE REPAIR KIT(S):
  461-0529 J [1] KIT-SEAL (PISTON MOTOR)  
    (INCLUDES SEALS & RINGS)
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP76160192
 

281-3052: MOTOR GP-SWING

281-3052 MOTOR GP-SWING
PART OF 266-6396 DRIVE GP-SWING
i04019572 SEBP7616
2813052 MOTOR GP-SWING Parts scheme
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 153-6087 [1] SCREEN (HYDRAULIC OIL)  
2. 280-2364 [1] BEARING  
3. 6B-5328 [1] BEARING  
4. 8C-3312 [1] RING-RETAINING  
5. 5A-3604 M [12] BOLT-SOCKET HEAD (M8X1.25X25-MM)  
6. 095-0880 [1] PIN  
7. 280-2365 L [1] PIN  
8. 095-1716 H [1] SEAL-O-RING  
9. 095-1719 H [1] SEAL-O-RING  
10. 274-9034 Y [1] VALVE GP-CONTROL (SWING BRAKE)  
11. 8T-8442 M [4] BOLT-SOCKET HEAD (M6X1X30-MM)  
12. 281-3053 Y [2] VALVE GP-RELIEF  
13. 095-1579 J [2] SEAL-O-RING  
14. 280-2367 J [1] KIT-PUMP (SWING MOTOR)  
    (ALSO INCLUDES BODY, BEARING, PIN SPRING, CHECK VALVES, SPRINGS & PLUGS)
15. 280-2368 H [1] KIT-BARREL (SWING MOTOR)  
    (ALSO INCLUDES SHOES, PISTONS, SHOE HOLDER, BARREL HOLDER, PINS, BARREL, RETAINERS, SPRING, VALVE PLATE & RING RETAINER
16. 280-2369 L [1] KIT-SWASHPLATE (SWING MOTOR)  
17. 280-2405 [3] PIN  
  H   KIT MARKED H SERVICES PART(S) MARKED H
  J   KIT MARKED J SERVICES PART(S) MARKED J
  L   KIT MARKED L SERVICES PART(S) MARKED L
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76160193
 

280-2355: PLANETARY GP-SWING DRIVE

280-2355 PLANETARY GP-SWING DRIVE
PART OF 266-6396 DRIVE GP-SWING
i04019571 SEBP7616
2802355 PLANETARY GP-SWING DRIVE Parts scheme
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Parts for your 303.5E2 CR 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
 

#SEBP76160194
 

467-3059: PUMP & MTG GP-MAIN HYDRAULIC

467-3059 PUMP & MTG GP-MAIN HYDRAULIC
PART OF 467-5528 HYDRAULIC AR
i06128297 SEBP7616
4673059 PUMP & MTG GP-MAIN HYDRAULIC Parts scheme
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Parts for your 303.5E2 CR 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. 461-2786 [1] HOUSING AS-FLYWHEEL  
  387-3788 [2] PIN  
  [1] HOUSING-COVER  
4. 461-0539 Y [1] PUMP GP-PISTON  
5. 6V-8200 M [3] BOLT-SOCKET HEAD (M12X1.75X35-MM)  
6. 8T-4121 [7] WASHER-HARD (11X21X2.5-MM THK)  
7. 8T-4223 [2] WASHER-HARD (13.5X25.5X3-MM THK)  
8. 8T-4956 M [2] BOLT (M12X1.75X35-MM)  
9. 9X-2027 [1] WASHER (11X18X2-MM THK)  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP76160195
 

461-0539: PUMP GP-PISTON

461-0539 PUMP GP-PISTON
PART OF 467-3059 PUMP & MTG GP-MAIN HYDRAULIC
i06128296 SEBP7616
4610539 PUMP GP-PISTON Parts scheme
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Parts for your 303.5E2 CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 455-7950 Y [1] VALVE GP-PUMP CONTROL (FLOW COMPENSATOR)  
2. 341-7630 [1] VALVE-PUMP CONTROL  
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
 

#SEBP76160196
 

355-2420: ROTATING GP-PUMP

355-2420 ROTATING GP-PUMP
PART OF 461-0539 PUMP GP-PISTON
i06151829 SEBP7616
3552420 ROTATING GP-PUMP Parts scheme
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Parts for your 303.5E2 CR 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  
 

#SEBP76160197
 

191-7516: SWIVEL GP

191-7516 SWIVEL GP
PART OF 452-5553 LINES GP-TRAVEL MOTOR
AN ATTACHMENT
i01631480 SEBP7616
1917516 SWIVEL GP Parts scheme
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Parts for your 303.5E2 CR 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
 

#SEBP76160198
 

367-1050: TANK & FILTER GP-HYDRAULIC

367-1050 TANK & FILTER GP-HYDRAULIC
PART OF 367-0936 TANK & MTG GP-HYDRAULIC
i04629815 SEBP7616
3671050 TANK & FILTER GP-HYDRAULIC Parts scheme 3671050 TANK & FILTER GP-HYDRAULIC Parts scheme
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Parts for your 303.5E2 CR 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
 

#SEBP76160199
 

367-0936: TANK & MTG GP-HYDRAULIC

367-0936 TANK & MTG GP-HYDRAULIC
PART OF 467-5528 HYDRAULIC AR
i04629813 SEBP7616
3670936 TANK & MTG GP-HYDRAULIC Parts scheme
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Parts for your 303.5E2 CR 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
 

Information:

Special Instruction
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Specifications
Fasteners
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Travel Motor and Mounting
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Radiator and Hydraulic Oil Cooler
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System Specifications
Systems Operation
Travel Motor
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Displacement Change Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Travel Counterbalance Valve
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Swing Motor
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Swing Hydraulic System
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine Systems
Reuse And Salvage Guidelines
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 9, 10, and 11) {5061, 506G, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
Specifications and Reusability for Hydraulic Gear Pumps and Motors (Groups 1, 2, and 3) {5061, 5073}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
General Reuse and Salvage Guideline for Hydraulic Piston Pumps and Motors {5058, 5070}
Testing and Adjusting
Machine Drift on a Slope - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Travel on Level Ground - Test
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Swing Speed and Overswing on Level Ground - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Travel on Level Ground - Test - Optional Test
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Swing Speed and Swing Drift on a Slope - Check
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Swing Motor - Test - Measurement of Case Drain Oil
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Travel Motor - Test - Measurement of Case Drain Oil
303.5E2 CR, 304E2 CR, 305E2 CR and 305.5E2 CR Mini Hydraulic Excavators Machine System
Bench Test Procedures
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}
Rotating Group Adjustment Instructions for Bosch Rexroth Hydraulic Pumps and Motors {3203, 4351, 5058, 5070}

Caterpillar Parts SIS Catalog 303.5E2 CR :

MOTOR & MTG GP-SWING
265-8752 MOTOR & MTG GP-SWING
LINES GP-TRAVEL MOTOR
452-5553 LINES GP-TRAVEL MOTOR
LINES GP-SWING MOTOR
467-7413 LINES GP-SWING MOTOR
LINES GP-SWING CYLINDER
379-4704 LINES GP-SWING CYLINDER
LINES GP-STICK
292-8286 LINES GP-STICK
LINES GP-RETURN
379-4701 LINES GP-RETURN
LINES GP-PILOT
467-5537 LINES GP-PILOT
LINES GP-PILOT
467-5536 LINES GP-PILOT
MOTOR GP-PISTON
461-0522 MOTOR GP-PISTON
MOTOR GP-SWING
281-3052 MOTOR GP-SWING
PLANETARY GP-SWING DRIVE
280-2355 PLANETARY GP-SWING DRIVE
PUMP & MTG GP-MAIN HYDRAULIC
467-3059 PUMP & MTG GP-MAIN HYDRAULIC
PUMP GP-PISTON
461-0539 PUMP GP-PISTON
ROTATING GP-PUMP
355-2420 ROTATING GP-PUMP
SWIVEL GP
191-7516 SWIVEL GP
TANK & FILTER GP-HYDRAULIC
367-1050 TANK & FILTER GP-HYDRAULIC
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