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151-1266 CYLINDER GP-SWING BOOM S/N 4AZ1-4822 75-MM (2.9-IN) BORE X 525-MM (20.1-IN) STROKE PART OF 151-8464 BOOM AR 302.5




HYDRAULIC SYSTEM

CYLINDER GP
 

#SEBP29190140
 

151-1266: CYLINDER GP-SWING BOOM

151-1266 CYLINDER GP-SWING BOOM
S/N 4AZ1-4822
75-MM (2.9-IN) BORE X 525-MM (20.1-IN) STROKE
PART OF 151-8464 BOOM AR
i00965390 SEBP2919
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Parts for your 302.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 151-1269 [1] CYLINDER AS  
1A. 140-5167 [1] BUSHING  
2. 151-1277 [1] ROD AS  
2A. 140-5167 [1] BUSHING  
3. 6J-2420 J [2] RING  
4. 141-0713 J [1] SEAL-LIP TYPE  
5. 143-8914 J [1] SEAL-U-CUP  
6. 150-9402 J [1] RING-WEAR  
7. 150-9403 J [1] RING-WEAR  
8. 3E-6730 J [2] SEAL-O-RING  
9. 8T-5065 M [1] LOCKNUT (M30X3.5-THD)  
10. 161-7146 J [1] SEAL-PISTON  
11. 1H-7339 J [1] SEAL-O-RING  
12. 163-5948 [1] PISTON  
   
    AVAILABLE REPAIR KIT(S):
  428-8651 J [1] KIT-HYD CYLINDER SEAL  
  J   KIT MARKED J SERVICES PART(S) MARKED J
  M   METRIC PART
 

#SEBP29190141
 

172-4223: CYLINDER GP-SWING BOOM

172-4223 CYLINDER GP-SWING BOOM
S/N 4AZ1-4822
PART OF 151-8464 BOOM AR
i01142713 SEBP2919
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Parts for your 302.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 140-5167 [1] BUSHING  
2. 140-5167 [1] BUSHING  
3. 141-0713 J [1] SEAL-LIP TYPE  
4. 143-8914 J [1] SEAL-U-CUP  
5. 150-9402 J [1] RING-WEAR  
6. 150-9403 J [1] RING-WEAR  
7. 161-7146 J [1] SEAL-PISTON  
8. 1H-7339 J [1] SEAL-O-RING  
9. 3E-6730 J [1] SEAL-O-RING  
10. 6J-2420 J [1] RING  
11. 8T-5065 M [1] LOCKNUT (M30X3.5-THD)  
   
    AVAILABLE REPAIR KIT(S):
  269-7190 J KIT-SEAL  
    (KIT INCLUDES RINGS & SEALS)
  J   (KIT MARKED J SERVICES PARTS MARKED J)
  M   METRIC PART
 

#SEBP29190142
 

212-6336: CYLINDER GP-SWING BOOM

212-6336 CYLINDER GP-SWING BOOM
S/N 4AZ4823-UP
75-MM (2.95-IN) BORE X 525-MM (20.7-IN) STROKE
PART OF 151-8464, 224-9984 BOOM AR
i02195145 SEBP2919
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Parts for your 302.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 163-5948 [1] PISTON  
2. 166-2843 [1] HEAD  
3. [1] CYLINDER AS  
3A. 233-8448 [1] BUSHING  
4. 219-1780 [1] ROD AS  
4A. 233-8448 [1] BUSHING  
5. 141-0713 J [1] SEAL-LIP TYPE  
6. 143-8914 J [1] SEAL-U-CUP  
7. 150-9402 J [1] RING-WEAR  
8. 150-9403 J [1] RING-WEAR  
9. 161-7146 J [1] SEAL-PISTON  
10. 1H-7339 J [1] SEAL-O-RING  
11. 3E-6730 J [1] SEAL-O-RING  
12. 6J-2420 J [1] RING  
13. 8T-5065 M [1] LOCKNUT (M30X3.5-THD)  
   
    AVAILABLE REPAIR KIT(S):
  269-7190 J KIT-SEAL  
    (KIT INCLUDES RINGA & SEALS)
  J   (KIT MARKED J SERVICES PART(S) MARKED J)
  M   METRIC PART
 

#SEBP29190143
 

244-3074: CYLINDER GP-TILT

244-3074 CYLINDER GP-TILT -BUCKET
S/N 4AZ1-UP
60-MM (2.4-IN) BORE X 105-MM (4.1-IN) STROKE
PART OF 246-0093, 246-0094 BUCKET AR-TILTABLE
AN ATTACHMENT
i02186739 SEBP2919
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Parts for your 302.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 146-9023 [1] PISTON  
2. 147-2639 [1] HEAD  
3. 247-0554 [1] CYLINDER AS  
  233-8446 [1] BUSHING  
4. 247-0555 [1] ROD AS  
  233-8446 [1] BUSHING  
5. 144-9480 J [1] SEAL-LIP TYPE  
6. 144-9481 J [1] SEAL-U-CUP  
7. 144-9482 J [1] RING-WEAR  
8. 144-9485 J [1] SEAL-PISTON  
9. 144-9486 J [1] RING-WEAR  
10. 160-7550 J [1] RING  
11. 4P-2337 M [1] LOCKNUT (M22X2.5-THD)  
12. 6V-7658 J [1] SEAL-O-RING  
13. 8T-4945 J [1] SEAL-O-RING  
   
    AVAILABLE REPAIR KIT(S):
  160-8546 J [1] KIT-SEAL (TILT CYLINDER)  
  J   (KIT MARKED J SERVICES PART(S) MARKED J)
  M   METRIC PART
 

#SEBP29190144
 

161-2487: DRAIN GP-ECOLOGY

161-2487 DRAIN GP-ECOLOGY
S/N 4AZ1-UP
AN ATTACHMENT
i00944793 SEBP2919
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Parts for your 302.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 101-4639 [1] PLUG AS-DRAIN  
2. 159-3727 [1] TUBE AS-DRAIN  
3. 2M-9780 [1] SEAL-O-RING  
 

#SEBP29190145
 

9T-8157: FILTER GP-OIL

9T-8157 FILTER GP-OIL
S/N 4AZ1-UP
PART OF 154-2612, 241-6059 LINES GP-RETURN & FILTER
ALSO AN ATTACHMENT
i00997715 SEBP2919
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Parts for your 302.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 9T-8578 [1] FILTER-OIL (ADVANCED EFFICIENCY)  
2. 101-1168 [1] PLUG  
3. 3J-1907 [1] SEAL-O-RING  
4. 5F-9144 [1] SEAL-O-RING  
5. 9S-8002 [1] PLUG (7/16-20-THD)  
6. 3J-7354 [1] SEAL-O-RING  
 

#SEBP29190146
 

151-8461: HYDRAULIC AR

151-8461 HYDRAULIC AR
S/N 4AZ1-UP
PART OF 148-8492 COMMON AR
i02195196 SEBP2919
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Parts for your 302.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  149-3859 Y [1] CONTROL & MTG GP-JOYSTICK  
    S/N 4AZ1-3826
  196-1731 Y [1] CONTROL & MTG GP-JOYSTICK  
    S/N 4AZ3827-UP
  154-2618 Y [1] COOLER GP-HYDRAULIC OIL  
  154-2609 Y [1] LINES GP-FRONT  
    S/N 4AZ4373-5653
  236-3836 Y [1] LINES GP-FRONT  
    S/N 4AZ5654-UP
  154-2613 Y [1] LINES GP-HYDRAULIC PUMP  
    S/N 4AZ1-4294
  211-3510 Y [1] LINES GP-HYDRAULIC PUMP  
    S/N 4AZ4295-UP
  153-8283 Y [1] LINES GP-PILOT  
  154-2612 Y [1] LINES GP-RETURN & FILTER  
    S/N 4AZ4373-5653
  241-6059 Y [1] LINES GP-RETURN & FILTER  
    S/N 4AZ5654-UP
  154-2611 Y [1] LINES GP-SWING MOTOR  
  154-2610 Y [1] LINES GP-TRAVEL MOTOR  
  169-1996 Y [1] PLUG GP-HYDRAULIC LINES  
  154-2616 Y [1] PUMP & MTG GP-PISTON & GEAR  
  154-2661 Y [1] TANK GP-HYDRAULIC  
  154-2614 Y [1] VALVE & MTG GP-BANK  
    S/N 4AZ1-4372
  208-7082 Y [1] VALVE & MTG GP-MAIN CONTROL  
    S/N 4AZ4373-UP
  Y   SEPARATE ILLUSTRATION
 

#SEBP29190147
 

242-8870: HYDRAULIC AR

242-8870 HYDRAULIC AR -CHECK VALVE
S/N 4AZ1-UP
AN ATTACHMENT
i02194871 SEBP2919
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Parts for your 302.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  242-8854 Y [1] LINES GP-BOOM CYLINDER  
  236-3837 Y [1] LINES GP-STICK (LOWERING CONTROL)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP29190148
 

250-2923: HYDRAULIC AR

250-2923 HYDRAULIC AR -BOOM,CHECK VALVE
S/N 4AZ5654-UP
AN ATTACHMENT
i02194869 SEBP2919
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Parts for your 302.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  242-8854 Y [1] LINES GP-BOOM CYLINDER  
  224-9986 Y [1] LINES GP-STICK  
  Y   SEPARATE ILLUSTRATION
 

#SEBP29190149
 

250-2924: HYDRAULIC AR

250-2924 HYDRAULIC AR -BOOM, STICK
S/N 4AZ5654-UP
AN ATTACHMENT
i02194851 SEBP2919
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Parts for your 302.5 MINI HYD EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  240-2452 Y [1] LINES GP-BOOM  
  224-9986 Y [1] LINES GP-STICK  
  Y   SEPARATE ILLUSTRATION
 

Information:

Operation and Maintenance Manual
Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Vented Buffer Seal Assembly, U-Cup Seal, and Double Lip Wiper Seal for Hydraulic Cylinders{7562}
Installation of Double Lip Wiper Seal{7562}
Installation of Double Lip Wiper Seal{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}
Service Letter-NACD
Hoses Attached To Ports On The Implement Hydraulic Control Valve Need To Be Rerouted On Certain 302.5 Mini-Excavators
Hoses Attached To Ports On The Implement Hydraulic Control Valve Need To Be Rerouted On Certain 302.5 Mini-Excavators
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BUCKET CYLINDER OR ROD THAT MAY BEND ON CERTAIN 301.5, 301.6, 301.8, 302.5, 303.5 AND 304.5 MINI-HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BUCKET CYLINDER OR ROD THAT MAY BEND ON CERTAIN 301.5, 301.6, 301.8, 302.5, 303.5 AND 304.5 MINI-HYDRAULIC EXCAVATORS
Service Letter-CSARL
Hoses Attached To Ports On The Implement Hydraulic Control Valve Need To Be Rerouted On Certain 302.5 Mini-Excavators
Hoses Attached To Ports On The Implement Hydraulic Control Valve Need To Be Rerouted On Certain 302.5 Mini-Excavators
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BUCKET CYLINDER OR ROD THAT MAY BEND ON CERTAIN 301.5, 301.6, 301.8, 302.5, 303.5 AND 304.5 MINI-HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BUCKET CYLINDER OR ROD THAT MAY BEND ON CERTAIN 301.5, 301.6, 301.8, 302.5, 303.5 AND 304.5 MINI-HYDRAULIC EXCAVATORS
Service Letter-Americas
Hoses Attached To Ports On The Implement Hydraulic Control Valve Need To Be Rerouted On Certain 302.5 Mini-Excavators
Hoses Attached To Ports On The Implement Hydraulic Control Valve Need To Be Rerouted On Certain 302.5 Mini-Excavators
Technical Information Bulletin
Damage To The Bucket Cylinder Due To Excessive Pressure
Damage To The Bucket Cylinder Due To Excessive Pressure
Bucket Teeth May Contact Cylinder Guard
Bucket Teeth May Contact Cylinder Guard
Surface Finishes of Cylinder Bores{7562}
Surface Finishes of Cylinder Bores{7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Color Change for Cylinder Rod Seals (Wiper, U-Cup and Buffer){5100, 7555, 7562}
Specifications
Blade Lift Cylinder
302.5 Mini Hydraulic Excavator Machine Systems
Boom Cylinder
302.5 Mini Hydraulic Excavator Machine Systems
Boom Swing Cylinder
302.5 Mini Hydraulic Excavator Machine Systems
Bucket Cylinder
302.5 Mini Hydraulic Excavator Machine Systems
Stick Cylinder
302.5 Mini Hydraulic Excavator Machine Systems
Load Control Valve (Boom)
302.5 Mini Hydraulic Excavator Machine Systems
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
Boom Hydraulic System
302.5 Mini Hydraulic Excavator 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
Load Control Valve (Boom) - Test and Adjust
302.5 Mini Hydraulic Excavator
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
302.5 Mini Hydraulic Excavator Machine Systems
Bucket Cylinder - Remove and Install
302.5 Mini Hydraulic Excavator Machine Systems
Stick Cylinder - Remove and Install
302.5 Mini Hydraulic Excavator Machine Systems
Boom Cylinder - Remove and Install
302.5 Mini Hydraulic Excavator Machine Systems
Boom Swing Cylinder - Remove and Install
302.5 Mini Hydraulic Excavator Machine Systems
Service Magazine

Caterpillar Parts SIS Catalog 302.5 :

Truck sale:

 
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