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283-1255 PISTON & ROD GP PART OF 263-5591, 287-6713 ENGINE AR-PRIMARY 303C CR MINI HYD EXCAVATOR


BASIC ENGINE
PISTON & ROD GP
CRANKSHAFT GP
VALVE MECHANISM GP
LUBRICATION SYSTEM
FILLER GP-ENGINE OIL
FILTER GP-ENGINE OIL
BASIC ENGINE
HOUSING GP-FRONT
COOLING SYSTEM
COOLER GP
COOLING GP

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

PISTON & ROD GP
PISTON & ROD GP
283-1255 PISTON & ROD GP
PISTON & ROD GP
320-0204 PISTON & ROD GP
 

#SEBP44610030
 

283-1255: PISTON & ROD GP

283-1255 PISTON & ROD GP
PART OF 263-5591, 287-6713 ENGINE AR-PRIMARY
i02440778 SEBP4461
2831255 PISTON & ROD GP Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 282-8561 [1] PISTON AS (STANDARD)  
  282-8562 B [1] PISTON AS (0.25-MM OS)  
  282-8563 B [1] PISTON AS (0.5-MM OS)  
2. 283-1256 [1] RING SET (STANDARD)  
    (INCLUDES 3 TOP RINGS, 3 INTERMEDIATE RINGS, & 3 OIL RINGS)
  283-1261 B [1] RING SET (0.25-MM US)  
  283-1262 B [1] RING SET (0.50-MM US)  
3. 270-6170 [1] PIN-PISTON  
4. 8C-3312 [2] RING-RETAINING  
5. 272-0445 [1] ROD AS-CONNECTING  
5A. 128-2955 [2] BOLT-CONNECTING ROD  
5B. 128-2956 [2] NUT  
5C. 238-8282 [1] SET-BEARING (STANDARD)  
  238-8283 B [1] SET-BEARING (0.25-MM US)  
  238-8284 B [1] SET-BEARING (0.5-MM US)  
  238-8285 B [1] SET-BEARING (0.75-MM US)  
5D. 270-6175 [1] BEARING  
   
  283-1257 F [1] BEARING (STANDARD)  
  283-1258 BF [1] BEARING (0.25-MM US)  
  283-1259 BF [1] BEARING (0.50-MM US)  
  283-1260 BF [1] BEARING (0.75-MM US)  
  B   USE AS REQUIRED
  F   NOT SHOWN
 

#SEBP44610031
 

320-0204: PISTON & ROD GP

320-0204 PISTON & ROD GP
S/N BXT3501-UP
PART OF 311-8445 ENGINE AR-PRIMARY
i02880160 SEBP4461
3200204 PISTON & ROD GP Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 270-6170 [1] PIN-PISTON  
2. 272-0445 [1] ROD AS-CONNECTING  
3. 283-1256 [1] RING SET (STANDARD)  
  283-1261 B [1] RING SET (0.25-MM OS)  
  283-1262 B [1] RING SET (0.5-MM OS)  
4. 283-1257 [1] BEARING (STANDARD)  
  283-1258 B [1] BEARING (0.25-MM OS)  
  283-1259 B [1] BEARING (0.5-MM OS)  
  283-1260 B [1] BEARING (0.75-MM OS)  
5. 319-9693 [1] PISTON AS (STANDARD)  
  319-9694 B [1] PISTON AS (0.25-MM OS)  
  319-9695 B [1] PISTON AS (0.5-MM OS)  
6. 8C-3312 [2] RING-RETAINING  
  B   USE AS REQUIRED
 

#SEBP44610032
 

283-1281: PULLEY GP-CRANKSHAFT

283-1281 PULLEY GP-CRANKSHAFT
PART OF 263-5591, 287-6713, 311-8445 ENGINE AR-PRIMARY
i02440798 SEBP4461
2831281 PULLEY GP-CRANKSHAFT Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 270-6219 [1] PLATE  
2. 283-1282 [1] PULLEY-CRANKSHAFT  
 

#SEBP44610033
 

283-1279: VALVE MECHANISM GP

283-1279 VALVE MECHANISM GP
PART OF 263-5591, 287-6713, 311-8445 ENGINE AR-PRIMARY
i02440796 SEBP4461
2831279 VALVE MECHANISM GP Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 250-4776 [3] VALVE (INLET)  
2. 270-6196 [3] VALVE-EXHAUST  
3. 103-2782 [6] SPRING  
4. 5I-7625 [6] RETAINER (INTAKE VALVE)  
5. 5I-7719 [12] RETAINER (EXHAUST VALVE)  
6. 5I-7630 [6] CAP  
7. 270-6197 [6] SEAL-VALVE STEM  
8. 283-1280 [1] SHAFT AS-ROCKER ARM  
9. 270-6199 [6] ROCKER ARM AS  
9A. 199-2194 [1] NUT  
9B. 270-6200 [1] SCREW  
10. 270-6201 [3] BRACKET  
11. 199-2201 [3] BOLT (M8X1.25X61.5-MM)  
12. 221-5250 [2] SPRING  
13. 195-8324 [2] RING-SNAP  
14. 270-6203 [3] BOLT  
15. 103-9272 [6] TAPPET  
16. 103-9273 [6] PUSHROD  
 

#SEBP44610034
 

280-3721: FILLER GP-ENGINE OIL

280-3721 FILLER GP-ENGINE OIL
PART OF 263-5591, 287-6713, 311-8445 ENGINE AR-PRIMARY
i02410365 SEBP4461
2803721 FILLER GP-ENGINE OIL Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 280-3743 [1] PIPE-FILLER  
2. 280-3805 [1] GASKET  
3. 199-2262 [2] BOLT (M8X1.25X20-MM)  
4. 234-0388 [1] CAP-FILLER (ENGINE OIL)  
 

#SEBP44610035
 

270-2015: FILTER & MTG GP-ENGINE OIL

270-2015 FILTER & MTG GP-ENGINE OIL
PART OF 263-5599 INSTALLATION AR-ENGINE
i02440616 SEBP4461
2702015 FILTER & MTG GP-ENGINE OIL Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 096-9532 [8] WASHER (15.8X22.5X2-MM THK)  
2. 120-0664 [1] FILTER-ENGINE OIL (ENGINE)  
3. 232-2989 [1] BRACKET  
4. 232-2991 [4] BOLT-SPECIAL (BANJO)  
5. 267-4379 [1] HOSE AS  
6. 301-4807 [1] SUPPORT  
7. 272-4828 [1] HOSE AS  
8. 8T-4121 [4] WASHER-HARD (11X21X2.5-MM THK)  
9. 8T-4136 M [4] BOLT (M10X1.5X25-MM)  
  M   METRIC PART
 

#SEBP44610036
 

283-1289: PUMP GP-ENGINE OIL

283-1289 PUMP GP-ENGINE OIL
PART OF 263-5591, 287-6713, 311-8445 ENGINE AR-PRIMARY
i02440805 SEBP4461
2831289 PUMP GP-ENGINE OIL Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 103-9725 [1] VALVE AS-RELIEF (ENGINE)  
2. 233-5496 [1] GASKET  
3. 270-6233 [1] BOLT  
4. 270-6234 [1] GASKET  
5. 283-1290 Y [1] PUMP GP-ENGINE OIL  
6. 195-8453 [1] SWITCH AS-PRESSURE (ENGINE OIL)  
7. 5I-8056 [1] PLUG  
8. 5I-7628 [1] GASKET  
  Y   SEPARATE ILLUSTRATION
 

#SEBP44610037
 

283-1290: PUMP GP-ENGINE OIL

283-1290 PUMP GP-ENGINE OIL
PART OF 283-1289 PUMP GP-ENGINE OIL
i02505471 SEBP4461
2831290 PUMP GP-ENGINE OIL Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 8T-4138 M [2] BOLT (M6X1X20-MM)  
2. 096-2500 [2] LOCKWASHER  
3. 282-8568 [1] PUMP GP-GEROTOR  
3A. 199-2213 [2] WASHER (6.5X13X1-MM)  
3B. 8T-4138 M [2] BOLT (M6X1X20-MM)  
3C. 096-2500 [2] LOCKWASHER  
4. 282-8573 [1] GASKET-STRAINER (ENGINE OIL)  
5. 283-1291 [1] STRAINER-OIL (ENGINE)  
  M   METRIC PART
 

#SEBP44610038
 

283-1292: COOLER GP-ENGINE OIL

283-1292 COOLER GP-ENGINE OIL
PART OF 263-5591, 287-6713, 311-8445 ENGINE AR-PRIMARY
i02440820 SEBP4461
2831292 COOLER GP-ENGINE OIL Parts scheme
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 096-4841 [3] CLAMP-HOSE  
2. 5I-7632 [1] PIPE  
3. 095-0961 [1] CLAMP-HOSE  
4. 195-8243 [2] PLUG  
5. 195-8459 [1] JOINT AS  
  195-8460 [1] PLUG  
6. 196-8227 [2] CLAMP  
7. 253-5484 [1] CONNECTOR  
8. 253-5486 [1] SEAL-O-RING  
9. 270-6247 [1] HOSE  
10. 270-6250 [1] COVER  
11. 270-6251 [1] WASHER  
12. 282-8584 [1] CONNECTOR  
13. 283-1293 [1] COOLER AS-ENGINE OIL  
14. 283-1294 [1] PIPE  
15. 283-1295 [1] HOSE  
16. 283-1296 [1] HOSE  
 

#SEBP44610039
 

286-0512: COOLING AR-HIGH AMBIENT TEMP

286-0512 COOLING AR-HIGH AMBIENT TEMP
AN ATTACHMENT
i02788918 SEBP4461
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Parts for your 303C CR MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  276-9327 Y [1] COVER GP-ACCESS (RH)  
    -OR-
  296-0248 Y [1] COVER GP-ACCESS (RH)  
  283-1313 Y [1] FAN GP-SUCTION  
  Y   SEPARATE ILLUSTRATION
 

Information:

Tool Operating Manual
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}
Using the 242-3980 Piston Groove Gauge on 3500A and B Engines with Monotherm Pistons using the 329-2630 and 329-2631 Piston Groove Gauges on 3500B Engines with Monotherm Pistons{0374, 0599, 0700, 0701, 0705}
NEHS1227: 477-3197 C27 Piston Ring Gauge Group {0374, 0599, 0700, 0701, 1214, 1215}
NEHS1227: 477-3197 C27 Piston Ring Gauge Group {0374, 0599, 0700, 0701, 1214, 1215}
Testing and Adjusting
Compression - Test
S3Q2 and S3Q2-T Engines
Disassembly and Assembly
Piston, Connecting Rod, Crankshaft, and Cylinder Block - Disassemble and Inspect
S3Q2 and S3Q2-T Engines
Piston, Connecting Rod, Crankshaft, and Cylinder Block - Inspect and Repair
S3Q2 and S3Q2-T Engines
Piston, Connecting Rod, Crankshaft, and Cylinder Block - Assemble
S3Q2 and S3Q2-T Engines

Caterpillar Parts SIS Catalog 303C CR :

PAN GP-OIL
283-1286 PAN GP-OIL
MOUNTING GP-STARTING MOTOR
276-2215 MOUNTING GP-STARTING MOTOR
MOUNTING GP-ENGINE
302-4085 MOUNTING GP-ENGINE
MOUNTING GP-ENGINE
297-6493 MOUNTING GP-ENGINE
MOUNTING GP-ENGINE
275-3962 MOUNTING GP-ENGINE
MOUNTING GP-ENGINE
270-1999 MOUNTING GP-ENGINE
MOUNTING GP-ENGINE
267-1043 MOUNTING GP-ENGINE
HOUSING GP-FRONT
280-3724 HOUSING GP-FRONT
PISTON & ROD GP
320-0204 PISTON & ROD GP
PULLEY GP-CRANKSHAFT
283-1281 PULLEY GP-CRANKSHAFT
VALVE MECHANISM GP
283-1279 VALVE MECHANISM GP
FILLER GP-ENGINE OIL
280-3721 FILLER GP-ENGINE OIL
FILTER & MTG GP-ENGINE OIL
270-2015 FILTER & MTG GP-ENGINE OIL
PUMP GP-ENGINE OIL
283-1289 PUMP GP-ENGINE OIL
PUMP GP-ENGINE OIL
283-1290 PUMP GP-ENGINE OIL
COOLER GP-ENGINE OIL
283-1292 COOLER GP-ENGINE OIL

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