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449-0427 BOOM AR PART OF 473-4911 COMMON AR ALSO AN ATTACHMENT 303E CR MINI HYD EXCAVATOR


IMPLEMENTS
BOOM GP
LINKAGE GP

MINI HYD EXCAVATOR 303E CR MINI HYD EXCAVATOR SGE
 303E CR Mini Hydraulic Excavator SGE00001-UP (MACHINE) POWERED BY C1.3 Engine SEBP7621 303E CR SGE   (2015)

IMPLEMENTS

BOOM GP
449-0427 BOOM AR
BOOM GP
344-4645 BOOM GP
 

#SEBP76210230
 

449-0427: BOOM AR

449-0427 BOOM AR
PART OF 473-4911 COMMON AR
ALSO AN ATTACHMENT
i05757805 SEBP7621
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Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  344-4645 Y [1] BOOM GP  
  502-3495 Y [1] CYLINDER GP-BOOM (LIFT)  
  341-0896 Y [1] CYLINDER GP-SWING BOOM  
  266-4069 Y [1] FRAME GP-SWING (BOOM)  
  270-6501 Y [1] GUARD GP-CYLINDER (BOOM)  
  422-2913 Y [1] LIGHTING GP-FLOOD (BOOM)  
  422-2911 Y [1] WIRING GP-LIGHTING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP76210231
 

344-4645: BOOM GP

344-4645 BOOM GP
PART OF 449-0427 BOOM AR
ALSO AN ATTACHMENT
i05319390 SEBP7621
3444645 BOOM GP Parts scheme
  For full view, you need register

Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 093-1430 [2] SEAL-LIP TYPE  
2. 266-4104 [1] PIN AS  
3. 266-4106 [1] PIN AS  
4. 281-1106 [1] PIN  
5. 344-4644 [1] BOOM & BEARING AS  
5A. 265-8720 [2] BUSHING  
  7T-1099 [2] LINK  
  9R-2060 M [1] BOSS (M10X1.5X21-MM)  
  9R-2672 M [1] BOSS-THREADED (M10X1.5X120-MM)  
6. 422-1378 [1] PLATE AS  
7. 422-1381 [1] PLATE AS  
8. 127-2170 M [4] SCREW-TRUSS HEAD (M8X1.25X20-MM)  
9. 175-1794 [2] SHIM (0.5-MM THK)  
10. 175-1795 [4] SHIM (1-MM THK)  
11. 176-8464 [1] SHIM (0.5-MM THK)  
12. 176-8465 [1] SHIM (1-MM THK)  
13. 266-3872 [1] BOSS (M20X1.5-THD)  
14. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
15. 8T-4222 [2] WASHER-PLATED (11X32X2.5-MM THK)  
16. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
17. 8T-4196 M [1] BOLT (M10X1.5X35-MM)  
18. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
  M   METRIC PART
 

#SEBP76210232
 

473-4918: LINKAGE AR-BUCKET

473-4918 LINKAGE AR-BUCKET -WITH LIFTING EYE
AN ATTACHMENT
i06219323 SEBP7621
  For full view, you need register

Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  341-0895 Y [1] CYLINDER GP-BUCKET  
  444-0760 Y [1] LINKAGE GP-BUCKET  
  Y   SEPARATE ILLUSTRATION
 

#SEBP76210233
 

473-4919: LINKAGE AR-BUCKET

473-4919 LINKAGE AR-BUCKET -WITH LIFTING EYE
PART OF 475-6511, 475-6512, 475-6513, 475-6514, 475-6515, 475-6516 DISTRIBUTION AR
AN ATTACHMENT
i06219331 SEBP7621
  For full view, you need register

Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  341-0895 Y [1] CYLINDER GP-BUCKET  
  420-1391 Y [1] LINKAGE GP-BUCKET  
  Y   SEPARATE ILLUSTRATION
 

#SEBP76210234
 

473-4923: LINKAGE AR-BUCKET

473-4923 LINKAGE AR-BUCKET -WITHOUT LIFTING EYE
AN ATTACHMENT
i06219436 SEBP7621
  For full view, you need register

Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3B-8489 [3] FITTING-GREASE (1/8-27 PTF)  
  8T-4133 M [4] NUT (M10X1.5-THD)  
  8T-4172 M [2] BOLT (M10X1.5X80-MM)  
  095-0868 [2] PIN-COTTER  
  175-1794 [5] SHIM (0.5-MM THK)  
  175-1795 [3] SHIM (1-MM THK)  
  225-4148 [1] PLATE-CERTIFICATION (MACHINE)  
  228-2856 [2] PIN AS  
  344-4679 [1] LINK & BEARING AS  
  093-1429 [6] SEAL-LIP TYPE  
  265-8715 [2] BUSHING  
  266-4051 [2] BUSHING  
  344-4681 [1] LINK AS-BUCKET  
  344-4682 [1] LINK  
  344-4682 [1] LINK  
  345-7819 [2] PIN AS  
  M   METRIC PART
 

#SEBP76210235
 

473-4924: LINKAGE AR-BUCKET

473-4924 LINKAGE AR-BUCKET -WITH LIFTING EYE
AN ATTACHMENT
i06219431 SEBP7621
  For full view, you need register

Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  3B-8489 [3] FITTING-GREASE (1/8-27 PTF)  
  8T-4133 M [4] NUT (M10X1.5-THD)  
  8T-4172 M [2] BOLT (M10X1.5X80-MM)  
  095-0868 [2] PIN-COTTER  
  175-1794 [5] SHIM (0.5-MM THK)  
  175-1795 [3] SHIM (1-MM THK)  
  225-4148 [1] PLATE-CERTIFICATION (MACHINE)  
  228-2856 [2] PIN AS  
  278-9938 [1] LINK & BEARING AS  
  093-1429 [6] SEAL-LIP TYPE  
  265-8715 [2] BUSHING  
  266-4051 [2] BUSHING  
  344-4681 [1] LINK AS-BUCKET  
  344-4682 [1] LINK  
  344-4682 [1] LINK  
  345-7819 [2] PIN AS  
  M   METRIC PART
 

#SEBP76210236
 

475-6578: LINKAGE AR-BUCKET

475-6578 LINKAGE AR-BUCKET
AN ATTACHMENT
i06219432 SEBP7621
  For full view, you need register

Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  341-0895 Y [1] CYLINDER GP-BUCKET  
  475-6481 Y [1] LINKAGE GP-BUCKET (WITH LIFTING EYE)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP76210237
 

420-1391: LINKAGE GP-BUCKET

420-1391 LINKAGE GP-BUCKET
PART OF 473-4919 LINKAGE AR-BUCKET
AN ATTACHMENT
i05210409 SEBP7621
4201391 LINKAGE GP-BUCKET Parts scheme
  For full view, you need register

Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 175-1794 [2] SHIM (0.5-MM THK)  
2. 175-1795 [1] SHIM (1-MM THK)  
3. 266-4064 [1] PIN AS  
4. 6V-8513 [1] WASHER-HARD (11X35X2.5-MM THK)  
5. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
  M   METRIC PART
 

#SEBP76210238
 

444-0760: LINKAGE GP-BUCKET

444-0760 LINKAGE GP-BUCKET -WITH LIFTING EYE
PART OF 473-4918 LINKAGE AR-BUCKET
AN ATTACHMENT
i05757788 SEBP7621
4440760 LINKAGE GP-BUCKET Parts scheme
  For full view, you need register

Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 228-2856 [2] PIN AS  
2. 266-4064 [1] PIN AS  
3. 278-9938 [1] LINK & BEARING AS  
3A. 265-8715 [1] BUSHING  
3B. 266-4051 [1] BUSHING  
  093-1429 [6] SEAL-LIP TYPE  
4. 344-4681 [1] LINK AS-BUCKET  
4A. 344-4682 [1] LINK  
5. 8T-4222 [1] WASHER-PLATED (11X32X2.5-MM THK)  
6. 345-7819 [2] PIN AS  
7. 095-0868 [2] PIN-COTTER  
8. 175-1794 [7] SHIM (0.5-MM THK)  
9. 175-1795 [4] SHIM (1-MM THK)  
10. 3B-8489 [3] FITTING-GREASE (1/8-27 PTF)  
11. 8T-4133 M [4] NUT (M10X1.5-THD)  
12. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
13. 8T-4172 M [2] BOLT (M10X1.5X80-MM)  
  M   METRIC PART
 

#SEBP76210239
 

475-6481: LINKAGE GP-BUCKET

475-6481 LINKAGE GP-BUCKET -WITH LIFTING EYE
PART OF 475-6578 LINKAGE AR-BUCKET
AN ATTACHMENT
i06219437 SEBP7621
4756481 LINKAGE GP-BUCKET Parts scheme
  For full view, you need register

Parts for your 303E CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [3] FITTING-GREASE (1/8-27 PTF)  
2. 228-2856 [2] PIN AS  
3. 266-4064 [1] PIN AS  
4. 344-4679 [1] LINK & BEARING AS  
  093-1429 [6] SEAL-LIP TYPE  
4A. 265-8715 [2] BUSHING  
4B. 266-4051 [2] BUSHING  
5. 344-4681 [1] LINK AS-BUCKET  
  344-4682 [1] LINK  
6. 344-4682 [1] LINK  
7. 345-7819 [2] PIN AS  
8. 095-0868 [2] PIN-COTTER  
9. 175-1794 B [7] SHIM (0.5-MM THK)  
10. 175-1795 B [4] SHIM (1-MM THK)  
11. 8T-4133 M [4] NUT (M10X1.5-THD)  
12. 8T-4137 M [1] BOLT (M10X1.5X20-MM)  
13. 8T-4172 M [2] BOLT (M10X1.5X80-MM)  
14. 8T-4222 [1] WASHER-PLATED (11X32X2.5-MM THK)  
  B   USE AS REQUIRED
  M   METRIC PART
 

Information:

Operation and Maintenance Manual
Boom, Stick and Bucket Operation
303E CR Mini Hydraulic Excavator
Boom and Stick Linkage - Lubricate
303E CR Mini Hydraulic Excavator
Boom, Stick, and Frame - Inspect
303E CR Mini Hydraulic Excavator
Boom/Stick/Bucket Combinations
303E CR Mini Hydraulic Excavator
Specifications
Boom - 2.2 m (7.22 ft)
303E CR Mini Hydraulic Excavator Machine System Specifications

Caterpillar Parts SIS Catalog 303E CR :

VALVE GP-SOLENOID & MANIFOLD
358-2091 VALVE GP-SOLENOID & MANIFOLD
VALVE GP-SOLENOID
421-5348 VALVE GP-SOLENOID
VALVE GP-SOLENOID
421-5347 VALVE GP-SOLENOID
VALVE GP-PILOT
470-9613 VALVE GP-PILOT
VALVE GP-PILOT
416-2294 VALVE GP-PILOT
VALVE GP-MAIN CONTROL
438-8386 VALVE GP-MAIN CONTROL
VALVE GP-CONTROL
452-6225 VALVE GP-CONTROL
VALVE GP-CONTROL
452-6223 VALVE GP-CONTROL
BOOM GP
344-4645 BOOM GP
473-4918 LINKAGE AR-BUCKET
473-4919 LINKAGE AR-BUCKET
473-4923 LINKAGE AR-BUCKET
473-4924 LINKAGE AR-BUCKET
475-6578 LINKAGE AR-BUCKET
LINKAGE GP-BUCKET
420-1391 LINKAGE GP-BUCKET
LINKAGE GP-BUCKET
444-0760 LINKAGE GP-BUCKET
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