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268-8224 CYLINDER GP-HYDRAULIC 63.5-MM (2.5-IN) BORE X 431.8-MM (17-IN) STROKE PART OF 309-1917, 309-1938 THUMB GP AN ATTACHMENT 303.5D


HYDRAULIC SYSTEM
CYLINDER GP
TANK GP
DRIVE GP
LINES GP-BUCKET

MINI HYD EXCAVATOR 303.5D MINI HYD EXCAVATOR RHP
 303.5 D Mini Excavator RHP00001-UP (MACHINE) POWERED BY S3Q2 Engine SEBP4591 303.5D RHP   (2010)

HYDRAULIC SYSTEM

CYLINDER GP
CYLINDER GP-BUCKET
266-6973 CYLINDER GP-BUCKET
CYLINDER GP-BUCKET
277-8672 CYLINDER GP-BUCKET
CYLINDER GP-HYDRAULIC
268-8224 CYLINDER GP-HYDRAULIC
CYLINDER GP-HYDRAULIC
361-1125 CYLINDER GP-HYDRAULIC
CYLINDER GP-STICK
284-0863 CYLINDER GP-STICK
CYLINDER GP-SWING BOOM
285-5034 CYLINDER GP-SWING BOOM
 

#SEBP45910160
 

268-8224: CYLINDER GP-HYDRAULIC

268-8224 CYLINDER GP-HYDRAULIC
63.5-MM (2.5-IN) BORE X 431.8-MM (17-IN) STROKE
PART OF 309-1917, 309-1938 THUMB GP
AN ATTACHMENT
i05354416 SEBP4591
2688224 CYLINDER GP-HYDRAULIC Parts scheme
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Parts for your 303.5D MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [2] FITTING-GREASE (1/8-27 PTF)  
2. 5D-1986 [1] LOCKNUT (7/8-14-THD)  
3. 233-8447 [2] BUSHING  
4. 244-3712 [2] PLUG AS  
    (EACH INCLUDES)
  9S-4191 [1] PLUG (9/16-18-THD)  
  214-7568 [1] SEAL-O-RING  
5. 278-2246 [1] PISTON  
6. 278-2248 [1] BUSHING  
7. 278-2254 [1] ROD AS-PISTON  
8. 278-2256 [1] GLAND  
   
    AVAILABLE REPAIR KIT(S):
  278-2257 [1] KIT-PACKING (HYDRAULIC CYLINDER)  
 

#SEBP45910161
 

361-1125: CYLINDER GP-HYDRAULIC

361-1125 CYLINDER GP-HYDRAULIC
PART OF 361-1123 LOCK GP-QUICK COUPLER
AN ATTACHMENT
i04404138 SEBP4591
3611125 CYLINDER GP-HYDRAULIC Parts scheme
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Parts for your 303.5D MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 361-1078 [1] KIT-SEAL  
    (INCLUDES O-RINGS & SEALS)
2. 361-1127 [1] ROD AS  
3. 361-1128 [1] SEAL  
4. 361-1129 [1] PISTON  
5. 361-1156 [1] PISTON  
6. 361-1132 Y [1] VALVE GP-CHECK (HYDRAULIC CONTROL LOCK)  
7. 3J-1907 [1] SEAL-O-RING  
8. 9S-8004 [1] PLUG (9/16-18-THD)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP45910162
 

284-0863: CYLINDER GP-STICK

284-0863 CYLINDER GP-STICK
PART OF 266-9542 STICK AR
i04021007 SEBP4591
2840863 CYLINDER GP-STICK Parts scheme
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Parts for your 303.5D MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8717 [2] BUSHING  
2. 3B-8488 [2] FITTING-GREASE (1/8-27 PTF)  
3. 278-9122 [1] ROD AS  
4. 294-7869 [1] HEAD  
5. 237-8377 [1] BUSHING  
6. 146-3916 [1] RING  
7. 146-1086 [1] RING  
8. 095-1709 [1] SEAL-O-RING  
9. 237-6124 [1] RING  
10. 095-1710 [1] SEAL-O-RING  
11. 237-6135 [1] PISTON  
12. 146-3923 [1] SEAL AS  
13. 237-6136 [2] RING  
14. 216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
15. 146-3969 [1] BALL  
16. 278-9127 [1] BEARING  
17. 278-9128 [1] SEAL  
18. 278-9129 [2] STOP  
19. 278-9130 [1] RING  
20. 192-0638 [4] SEAL  
   
    AVAILABLE REPAIR KIT(S):
  279-7940 [1] KIT-SEAL (STICK CYLINDER)  
  M   METRIC PART
 

#SEBP45910163
 

285-5034: CYLINDER GP-SWING BOOM

285-5034 CYLINDER GP-SWING BOOM
PART OF 345-1433 BOOM AR
i04022686 SEBP4591
2855034 CYLINDER GP-SWING BOOM Parts scheme
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Parts for your 303.5D MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 265-8717 [2] BUSHING  
2. 285-5035 [1] CYLINDER AS-SWING BOOM  
3. 278-1983 [1] ROD AS  
4. 278-1984 [1] HEAD  
5. 237-6121 [1] BUSHING  
6. 146-3957 [1] RING  
7. 146-3958 [1] RING  
8. 095-1710 [1] SEAL-O-RING  
9. 237-8378 [1] RING  
10. 095-1711 [1] SEAL-O-RING  
11. 278-1985 [1] PISTON  
12. 146-3968 [1] SEAL AS  
13. 278-1986 [2] RING  
14. 216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
15. 146-3969 [1] BALL  
16. 192-0638 [4] SEAL  
17. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
   
  278-1987 F [1] HEAD AS  
  146-3957 [1] RING  
  146-3958 [1] RING  
  219-9057 [1] SEAL  
  237-8378 [1] RING  
  278-1990 [1] SEAL  
  309-5902 [1] HEAD  
  311-1031 [1] BUSHING  
  278-1988 F [1] PISTON AS  
  146-3968 [1] SEAL AS  
  146-3969 [1] BALL  
  216-7643 M [1] SETSCREW (M8X1.25X8-MM)  
  278-1985 [1] PISTON  
  278-1986 [1] RING  
   
    AVAILABLE REPAIR KIT(S):
  279-0639 [1] KIT-SEAL (SWING BOOM CYLINDER)  
  F   NOT SHOWN
  M   METRIC PART
 

#SEBP45910164
 

246-0192: CYLINDER GP-TILT

246-0192 CYLINDER GP-TILT
76.2-MM (3-IN) BORE X 120-MM (4.7-IN) STROKE
PART OF 279-4325 BUCKET AR-TILTABLE
AN ATTACHMENT
i02211774 SEBP4591
2460192 CYLINDER GP-TILT Parts scheme
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Parts for your 303.5D MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 1H-7339 [1] SEAL-O-RING  
2. 6E-0122 [1] HEAD  
3. 6J-1972 J [1] SEAL AS  
4. 6J-5733 J [1] RING-WEAR  
5. 9T-2212 [1] PISTON  
6. 167-2186 J [1] SEAL AS-BUFFER  
7. 167-2294 J [1] SEAL-U-CUP  
8. 226-8202 J [1] SEAL-WIPER  
9. 249-4175 [1] ROD AS  
9A. 9T-4007 [2] BEARING  
10. Z [1] CYLINDER AS  
11. 4T-6780 J [1] RING-WEAR  
12. 5P-8250 [1] WASHER (28X49X5-MM THK)  
13. 6F-7037 [1] BOLT (1-14X3.25-IN)  
14. 8J-2574 J [1] RING-BACKUP  
   
    AVAILABLE REPAIR KIT(S):
  235-0354 J KIT-SEAL (HYDRAULIC CYLINDER)  
    '(ALSO INCLUDES BACKUP RING & O-RING SEAL)
  J   (KIT MARKED J SERVICES PART(S) MARKED J
  Z   NOT SERVICED SEPARATELY
 

#SEBP45910165
 

344-8836: DRAIN GP-OIL

344-8836 DRAIN GP-OIL -HYDRAULIC TANK, STANDARD
PART OF 367-7043, 367-7044 DISTRIBUTION AR
CANNOT BE USED WITH @@@@@344-8838@@@@@
AN ATTACHMENT
i04006751 SEBP4591
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Parts for your 303.5D MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  344-8837 Y [1] DRAIN GP-OIL  
  Y   SEPARATE ILLUSTRATION
 

#SEBP45910166
 

344-8837: DRAIN GP-OIL

344-8837 DRAIN GP-OIL -HYDRAULIC TANK, STANDARD
PART OF 344-8836 DRAIN GP-OIL
AN ATTACHMENT
i04006752 SEBP4591
3448837 DRAIN GP-OIL Parts scheme
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Parts for your 303.5D MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 345-0712 [1] HOSE AS  
2. 355-4737 [1] PLATE  
3. 148-8315 [1] CONNECTOR AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8642 [1] CONNECTOR  
  7J-9108 [1] SEAL-O-RING  
4. 165-4935 [1] PLUG AS  
  6V-9510 [1] PLUG  
  7J-9108 [1] SEAL-O-RING  
5. 4H-2558 [1] GROMMET  
6. 8T-4190 M [1] BOLT (M16X2X25-MM)  
7. 9X-8257 [1] WASHER (17.5X30X3.5-MM THK)  
  M   METRIC PART
 

#SEBP45910167
 

344-8839: DRAIN GP-OIL

344-8839 DRAIN GP-OIL -ECOLOGY, HYDRAULIC TANK
PART OF 344-8838 DRAIN GP-ECOLOGY
AN ATTACHMENT
i04006771 SEBP4591
3448839 DRAIN GP-OIL Parts scheme
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Parts for your 303.5D MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 274-6533 [1] ADAPTER AS  
  7J-9108 [1] SEAL-O-RING  
  274-6532 [1] ADAPTER  
2. 345-0712 [1] HOSE AS  
3. 355-4737 [1] PLATE  
4. 148-8315 [1] CONNECTOR AS  
  2M-9780 [1] SEAL-O-RING  
  6V-8642 [1] CONNECTOR  
  7J-9108 [1] SEAL-O-RING  
5. 296-3111 [1] PLUG-DRAIN (HYDRAULIC TANK OIL)  
6. 296-3112 [1] TUBE AS-DRAIN  
7. 2M-9780 [1] SEAL-O-RING  
8. 4H-2558 [1] GROMMET  
9. 8T-4190 M [1] BOLT (M16X2X25-MM)  
10. 9X-8257 [1] WASHER (17.5X30X3.5-MM THK)  
  M   METRIC PART
 

#SEBP45910168
 

266-6396: DRIVE GP-SWING

266-6396 DRIVE GP-SWING
PART OF 265-8752 MOTOR & MTG GP-SWING
i04019569 SEBP4591
2666396 DRIVE GP-SWING Parts scheme
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Parts for your 303.5D MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 280-2355 Y [1] PLANETARY GP-SWING DRIVE  
2. 281-3052 Y [1] MOTOR GP-SWING  
  Y   SEPARATE ILLUSTRATION
 

#SEBP45910169
 

269-4197: FASTENER GP-LINES

269-4197 FASTENER GP-LINES -STICK
PART OF 266-9542 STICK AR
i04021005 SEBP4591
2694197 FASTENER GP-LINES Parts scheme
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Parts for your 303.5D MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 274-6552 [4] CLAMP  
2. 7X-2537 M [4] BOLT (M8X1.25X35-MM)  
3. 8T-4224 [4] WASHER-HARD (8.8X16X2-MM THK)  
  M   METRIC PART
 

Information:

Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Procedure to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
Specifications
Boom Cylinder - Swing
303.5D CR and 304D CR Mini Hydraulic Excavators Machine System Specifications
Stick Cylinder
303.5D CR and 304D CR Mini Hydraulic Excavators Machine System Specifications
Bucket Cylinder
303.5D CR and 304D CR Mini Hydraulic Excavators Machine System Specifications
Bucket Cylinder
303.5D CR and 304D CR Mini Hydraulic Excavators Machine System Specifications
Boom Cylinder
303.5D CR and 304D CR Mini Hydraulic Excavators Machine System Specifications
Boom Lines
303.5D CR and 304D CR Mini Hydraulic Excavators Machine System Specifications
Blade Lift Cylinder
303.5D CR and 304D CR Mini Hydraulic Excavators Machine System Specifications
Blade Lift Cylinder
303.5D CR and 304D CR Mini Hydraulic Excavators Machine System Specifications
Tool Operating Manual
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
Procedures for Using the 232-4686 Cylinder Washer Tank Group European Union Compliant{0374, 0599, 0680, 0738}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
1U-9001 and 1U-9002 Automatic Hone Tooling{0599, 0677, 0738, 7562, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
Model HCS-40 Hydraulic Cylinder Servicer{0374, 0599, 0700, 0738, 7562}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
4C-9910 Portable Hydraulic Tester (Flow 125 GPM) {0599, 0784, 5050, 5057, 5095}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 265-4177, 265-4209 Service Tool Groups to Install Sensors in Position-Sensing Hydraulic Cylinders{0599, 0709, 0738, 1439, 7562, 7562}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Using the 9U-7868 and 9U-7869 Spanner Wrench to Remove and install Threaded Gland Cylinder Heads{0374, 0599, 0602, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Procedures for Using the 120-9143 Cylinder Washer Tank Group {0374, 0602, 0680, 0738}
Systems Operation
Cylinders (Boom, Stick and Bucket)
303.5D CR and 304D CR Mini Hydraulic Excavators Hydraulic System
Blade Hydraulic System
303.5D CR and 304D CR Mini Hydraulic Excavators Hydraulic System
Reuse And Salvage Guidelines
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Repair Process {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Inspection and Salvage of Hydraulic Cylinder Components {7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Measuring Bores and Installing Seals in Standard and Oversized Hydraulic Cylinders {5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
Machining the O-ring Groove into the Face of Oversized Bolted Head Hydraulic Cylinders {0677, 5100, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Thermal Spray Procedures for Hydraulic Cylinder Rods{0679, 7562, 7562}
Contamination Control Guidelines
Hydraulic Cylinder Honing {7562}
Hydraulic Cylinder Honing {7562}
Applied Failure Analysis
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Hydraulic Cylinder Seal Failure Analysis {7555, 7562}
Testing and Adjusting
Cylinder Drift - Check
303.5D CR and 304D CR Mini Hydraulic Excavators Hydraulic System
Cylinder Speed - Check
303.5D CR and 304D CR Mini Hydraulic Excavators Hydraulic System
Bench Test Procedures
Testing Hydraulic Cylinders Using the <NOBR>188-3926</NOBR> Caterpillar Cylinder Tester and the <NOBR> 9U-6803</NOBR> Caterpillar Cylinder Tester {0784, 7562}
Testing Hydraulic Cylinders Using the 188-3926 Caterpillar Cylinder Tester and the 9U-6803 Caterpillar Cylinder Tester {0784, 7562}
Disassembly and Assembly
Blade Cylinder - Remove and Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Bucket Cylinder - Remove and Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Stick Cylinder - Remove and Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Boom Cylinder - Remove and Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Swing Boom Cylinder - Remove and Install
303.5D CR, 304D CR, 305D CR and 305.5D CR Mini Hydraulic Excavators Machine Systems
Service Magazine
Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2013/02/28
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
2011/10/17

Caterpillar Parts SIS Catalog 303.5D :

CYLINDER GP-BUCKET
277-8672 CYLINDER GP-BUCKET
CYLINDER GP-BUCKET
266-6973 CYLINDER GP-BUCKET
CYLINDER GP-BOOM
284-0420 CYLINDER GP-BOOM
CYLINDER GP-BLADE
286-6384 CYLINDER GP-BLADE
CYLINDER GP-BLADE
266-6979 CYLINDER GP-BLADE
356-8780 CONTROL AR-PILOT HYDRAULIC
355-4738 CONTROL AR-PILOT HYDRAULIC
355-4734 CONTROL AR-HYDRAULIC
CYLINDER GP-HYDRAULIC
361-1125 CYLINDER GP-HYDRAULIC
CYLINDER GP-STICK
284-0863 CYLINDER GP-STICK
CYLINDER GP-SWING BOOM
285-5034 CYLINDER GP-SWING BOOM
CYLINDER GP-TILT
246-0192 CYLINDER GP-TILT
344-8836 DRAIN GP-OIL
DRAIN GP-OIL
344-8837 DRAIN GP-OIL
DRAIN GP-OIL
344-8839 DRAIN GP-OIL
DRIVE GP-SWING
266-6396 DRIVE GP-SWING

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