283-1275 COVER GP-VALVE MECHANISM PART OF 263-5591, 287-6713, 311-8445 ENGINE AR-PRIMARY 303C CR MINI HYD EXCAVATOR



BASIC ENGINE
VALVE MECHANISM GP
CRANKSHAFT GP
CYLINDER BLOCK GP
CYLINDER HEAD GP
PAN GP-OIL

MINI HYD EXCAVATOR 303C CR MINI HYD EXCAVATOR BXT
 303C CR Mini Hydraulic Excavator BXT00001-UP (MACHINE) POWERED BY S3Q2 Engine SEBP4461 303C CR BXT   (2005)

BASIC ENGINE

VALVE MECHANISM GP
COVER GP-VALVE MECHANISM
283-1275 COVER GP-VALVE MECHANISM
VALVE MECHANISM GP
283-1279 VALVE MECHANISM GP
 

#SEBP44610010
 

283-1275: COVER GP-VALVE MECHANISM

283-1275 COVER GP-VALVE MECHANISM
PART OF 263-5591, 287-6713, 311-8445 ENGINE AR-PRIMARY
i02440792 SEBP4461
2831275 COVER GP-VALVE MECHANISM Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 199-2182 [1] CAP-OIL FILLER (VALVE COVER)  
2. 270-6259 [4] BOLT (M8X1.25X40-MM)  
3. 320-1022 [1] COVER AS-VALVE MECHANISM  
4. 283-1277 [1] GASKET (VALVE COVER)  
5. 283-1278 [1] HOSE (FUMES DISPOSAL)  
 

#SEBP44610011
 

283-1269: CRANKSHAFT AS

283-1269 CRANKSHAFT AS
PART OF 283-1263 CRANKSHAFT GP
i04583190 SEBP4461
2831269 CRANKSHAFT AS Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 094-3627 [1] NUT  
2. 085-9513 [2] PIN  
3. 094-4628 [2] KEY  
4. 270-6178 [1] GEAR-CRANKSHAFT  
5. 095-4904 [1] WASHER  
   
    PARTS SHOWN IN GRAPHIC(S) WITHOUT A REFERENCE NUMBER ARE NOT SERVICED SEPARATELY
 

#SEBP44610012
 

283-1263: CRANKSHAFT GP

283-1263 CRANKSHAFT GP
PART OF 263-5591, 287-6713, 311-8445 ENGINE AR-PRIMARY
i02440783 SEBP4461
2831263 CRANKSHAFT GP Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 283-1264 B [1] BEARING SET-MAIN (STANDARD)  
  283-1265 B [1] BEARING SET-MAIN (0.25-MM US)  
  283-1266 B [1] BEARING SET-MAIN (0.5-MM US)  
  283-1267 B [1] BEARING SET-MAIN (0.75-MM US)  
2. 283-1269 Y [1] CRANKSHAFT AS  
  B   USE AS REQUIRED
  Y   SEPARATE ILLUSTRATION
 

#SEBP44610013
 

319-3646: CYLINDER BLOCK AS

319-3646 CYLINDER BLOCK AS
PART OF 283-1253 CYLINDER BLOCK GP
i04291129 SEBP4461
3193646 CYLINDER BLOCK AS Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 103-9275 [2] DOWEL  
2. 104-1218 [2] DOWEL  
3. 195-8211 [1] PLUG  
4. 195-8220 [1] PLUG  
5. 199-2142 [1] SHAFT  
6. 270-6163 [8] BOLT  
7. 270-6165 [3] CAP  
8. 270-6167 [1] SHAFT-IDLER  
9. 273-9585 [6] PIN-DOWEL  
10. 3P-1896 [4] PLUG-CUP  
11. 5I-7505 [4] PLUG  
 

#SEBP44610014
 

283-1253: CYLINDER BLOCK GP

283-1253 CYLINDER BLOCK GP
PART OF 263-5591, 287-6713, 311-8445 ENGINE AR-PRIMARY
i02440771 SEBP4461
2831253 CYLINDER BLOCK GP Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 319-3646 Y [1] CYLINDER BLOCK AS  
2. 333-4989 [1] PLATE  
3. 270-6224 [1] GASKET  
4. 333-4991 [1] CASE-REAR  
5. 280-3741 [1] SEAL-O-RING  
6. 199-2178 [7] BOLT (M10X1.25X20-MM)  
7. 270-6203 [7] BOLT  
8. 117-5015 [1] SEAL AS-OIL  
9. 195-8237 [2] PIN  
  Y   SEPARATE ILLUSTRATION
 

#SEBP44610015
 

283-1273: CYLINDER HEAD AS

283-1273 CYLINDER HEAD AS
PART OF 283-1272 CYLINDER HEAD GP
i02441061 SEBP4461
2831273 CYLINDER HEAD AS Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 5I-7628 [1] GASKET  
2. 5I-8056 [1] PLUG  
3. 212-8475 [5] CAP  
4. 103-9247 [3] GUIDE-VALVE (INTAKE)  
5. 270-6189 [3] GUIDE-VALVE (EXHAUST)  
6. 270-6190 [3] SEAT-VALVE (INTAKE)  
7. 270-6191 [3] SEAT-VALVE (EXHAUST)  
8. 270-6192 [3] JET  
 

#SEBP44610016
 

319-9371: CYLINDER HEAD AS

319-9371 CYLINDER HEAD AS
S/N BXT3501-UP
PART OF 320-0203 CYLINDER HEAD GP
i04290959 SEBP4461
3199371 CYLINDER HEAD AS Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 5I-7628 [1] GASKET  
2. 5I-8056 [1] PLUG  
3. 212-8475 [5] CAP  
4. 103-9247 [3] GUIDE-VALVE (INTAKE)  
5. 270-6189 [3] GUIDE-VALVE (EXHAUST)  
6. 270-6190 [3] SEAT-VALVE (INTAKE)  
7. 270-6191 [3] SEAT-VALVE (EXHAUST)  
8. [3] JET  
 

#SEBP44610017
 

283-1272: CYLINDER HEAD GP

283-1272 CYLINDER HEAD GP
PART OF 263-5591, 287-6713 ENGINE AR-PRIMARY
i02440788 SEBP4461
2831272 CYLINDER HEAD GP Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 199-2205 M [2] BOLT AS  
2. 199-2262 [4] BOLT (M8X1.25X20-MM)  
3. 270-6183 [14] BOLT  
4. 283-4744 [1] PLATE  
5. 270-6186 [1] PLATE-LIFTING  
6. 270-6187 [1] GASKET  
7. 283-1273 Y [1] CYLINDER HEAD AS  
8. 283-1274 [1] GASKET  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP44610018
 

320-0203: CYLINDER HEAD GP

320-0203 CYLINDER HEAD GP
S/N BXT3501-UP
PART OF 311-8445 ENGINE AR-PRIMARY
i02880159 SEBP4461
3200203 CYLINDER HEAD GP Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 199-2205 M [2] BOLT AS  
2. 199-2262 [4] BOLT (M8X1.25X20-MM)  
3. 270-6183 [14] BOLT  
4. 283-4744 [1] PLATE  
5. 270-6186 [1] PLATE-LIFTING  
6. 270-6187 [1] GASKET  
7. 283-1274 [1] GASKET  
8. 319-9371 Y [1] CYLINDER HEAD AS  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP44610019
 

276-0119: DRAIN GP-ENGINE OIL

276-0119 DRAIN GP-ENGINE OIL -ECOLOGY
PART OF 280-8532 DRAIN GP-ECOLOGY
AN ATTACHMENT
i02414773 SEBP4461
2760119 DRAIN GP-ENGINE OIL Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

Pos. Part No Qty Parts name Comments
1. 276-2206 [1] SHUTOFF (ENGINE OIL DRAIN)  
2. 276-2207 [1] GASKET  
 

Information:

Truck Engine News
Set Engine Valve Lash After Installing All Remanufactured Long Blocks {1102, 1121, 1123, 1209}
2012/10/08
Engine News
Set Engine Valve Lash After Installing All Remanufactured Long Blocks {1102, 1121, 1123, 1209}
2012/10/08
Operation and Maintenance Manual
Engine Valve Lash - Check
303C CR, 303.5C CR, 304C CR and 305C CR Mini Hydraulic Excavators
Tool Operating Manual
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
Operating Instructions for 155-1536 Valve Recession Tool Kit for all G3500 and 3500 Engines{0374, 0599, 0701, 0703, 0759, 0767}
Operating Instructions for 155-1536 Valve Recession Tool Kit for all G3500 and 3500 Engines{0374, 0599, 0701, 0703, 0759, 0767}
Operating Instructions for 148-2997 Valve Recession Tool Group Used On 3600, G3600, and C175 Engines{0374, 0599, 0701, 0703, 0759}
Operating Instructions for 148-2997 Valve Recession Tool Group Used On 3600, G3600, and C175 Engines{0374, 0599, 0701, 0703, 0759}
CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}
CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}
Reuse And Salvage Guidelines
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
9U-5132 Timing and Fuel System Setting Tool Group{1105, 1162, 1290, 1905}
Testing and Adjusting
Engine Valve Lash - Inspect/Adjust
S3Q2 and S3Q2-T Engines
Disassembly and Assembly
Cylinder Head and Valve Mechanism - Disassemble and Inspect
S3Q2 and S3Q2-T Engines
Cylinder Head and Valve Mechanism - Inspect and Repair
S3Q2 and S3Q2-T Engines
Cylinder Head and Valve Mechanism - Assemble
S3Q2 and S3Q2-T Engines
Service Magazine
Set Engine Valve Lash After Installing All Remanufactured Long Blocks {1102, 1121, 1123, 1209}
2012/10/08

Caterpillar Parts SIS Catalog 303C CR :

CAMSHAFT GP
283-1270 CAMSHAFT GP
263-5599 INSTALLATION AR-ENGINE
311-8445 ENGINE AR-PRIMARY
287-6713 ENGINE AR-PRIMARY
263-5591 ENGINE AR-PRIMARY
264-8354 COMMON AR
318-2845 CHASSIS AR
298-3892 CHASSIS AR
CRANKSHAFT AS
283-1269 CRANKSHAFT AS
CRANKSHAFT GP
283-1263 CRANKSHAFT GP
CYLINDER BLOCK AS
319-3646 CYLINDER BLOCK AS
CYLINDER BLOCK GP
283-1253 CYLINDER BLOCK GP
CYLINDER HEAD AS
283-1273 CYLINDER HEAD AS
CYLINDER HEAD AS
319-9371 CYLINDER HEAD AS
CYLINDER HEAD GP
283-1272 CYLINDER HEAD GP
CYLINDER HEAD GP
320-0203 CYLINDER HEAD GP

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