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301-6878 CYLINDER & LINES GP-BOOM -LH S/N TAH1-UP; RAN1-UP PART OF 439-5695 BOOM AR AN ATTACHMENT 349D2




HYDRAULIC SYSTEM

CYLINDER GP
 

#SEBP74390450
 

301-6878: CYLINDER & LINES GP-BOOM

301-6878 CYLINDER & LINES GP-BOOM -LH
S/N TAH1-UP; RAN1-UP
PART OF 439-5695 BOOM AR
AN ATTACHMENT
i05792198 SEBP7439
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Parts for your 349D2 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  266-8086 Y [1] CYLINDER & SEAL GP-BOOM  
  289-5734 Y [1] LINES GP-BOOM CYLINDER (LH)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP74390451
 

301-6879: CYLINDER & LINES GP-BOOM

301-6879 CYLINDER & LINES GP-BOOM -RH
S/N TAH1-UP; RAN1-UP
PART OF 439-5695 BOOM AR
AN ATTACHMENT
i05792396 SEBP7439
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Parts for your 349D2 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  266-8086 Y [1] CYLINDER & SEAL GP-BOOM  
  289-5735 Y [1] LINES GP-BOOM CYLINDER (RH)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP74390452
 

225-4527: CYLINDER & LINES GP-BUCKET

225-4527 CYLINDER & LINES GP-BUCKET
S/N TAH1-UP; RAN1-UP
PART OF 245-5584 LINKAGE AR-BUCKET
AN ATTACHMENT
i04375823 SEBP7439
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Parts for your 349D2 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  225-4528 Y [1] CYLINDER & SEAL GP-BUCKET  
  115-8694 Y [1] LINES GP-BUCKET CYLINDER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP74390453
 

274-2457: CYLINDER & LINES GP-BUCKET

274-2457 CYLINDER & LINES GP-BUCKET
S/N TAH1-UP; RAN1-UP
PART OF 439-5696 LINKAGE AR-BUCKET
AN ATTACHMENT
i05792675 SEBP7439
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Parts for your 349D2 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  274-2458 Y [1] CYLINDER & SEAL GP-BUCKET  
  239-1603 Y [1] LINES GP-BUCKET CYLINDER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP74390454
 

357-9782: CYLINDER & LINES GP-BUCKET

357-9782 CYLINDER & LINES GP-BUCKET
S/N TAH1-UP; RAN1-UP
PART OF 228-8158, 245-5584 LINKAGE AR-BUCKET
AN ATTACHMENT
i05300529 SEBP7439
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Parts for your 349D2 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  357-9783 Y [1] CYLINDER & SEAL GP-BUCKET  
  115-8694 Y [1] LINES GP-BUCKET CYLINDER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP74390455
 

358-8501: CYLINDER & LINES GP-BUCKET

358-8501 CYLINDER & LINES GP-BUCKET
S/N TAH1-UP; RAN1-UP
PART OF 220-2502 LINKAGE AR-BUCKET
AN ATTACHMENT
i05319731 SEBP7439
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Parts for your 349D2 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  358-8502 Y [1] CYLINDER & SEAL GP-BUCKET  
  239-1603 Y [1] LINES GP-BUCKET CYLINDER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP74390456
 

274-2451: CYLINDER & LINES GP-STICK

274-2451 CYLINDER & LINES GP-STICK
S/N TAH1-UP; RAN1-UP
PART OF 439-5695 BOOM AR
AN ATTACHMENT
i05792186 SEBP7439
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Parts for your 349D2 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  274-2452 Y [1] CYLINDER & SEAL GP-STICK  
  129-5973 Y [1] LINES GP-STICK CYLINDER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP74390457
 

358-8458: CYLINDER & LINES GP-STICK

358-8458 CYLINDER & LINES GP-STICK
S/N TAH1-UP; RAN1-UP
PART OF 294-1252 BOOM AR-MASS, 294-1250 BOOM AR-REACH
AN ATTACHMENT
i07080780 SEBP7439
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Parts for your 349D2 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  358-8460 Y [1] CYLINDER & SEAL GP-STICK  
    -OR-
  518-0753 Y [1] CYLINDER & SEAL GP-STICK  
  129-5973 Y [1] LINES GP-STICK CYLINDER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP74390458
 

225-4522: CYLINDER & SEAL GP-BOOM

225-4522 CYLINDER & SEAL GP-BOOM
S/N TAH1-UP; RAN1-UP
PART OF 289-7844, 289-7845 CYLINDER & LINES GP-BOOM
AN ATTACHMENT
i06937695 SEBP7439
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Parts for your 349D2 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
2. 9X-4598 [4] SEAL-LIP TYPE  
3. 389-1041 CY [1] CYLINDER GP-BOOM  
4. 8T-6757 [1] PLUG-PIPE  
  C   CHANGE FROM PREVIOUS TYPE
  R   REMANUFACTURED PART MAY BE AVAILABLE
  Y   SEPARATE ILLUSTRATION
 

#SEBP74390459
 

266-8086: CYLINDER & SEAL GP-BOOM

266-8086 CYLINDER & SEAL GP-BOOM
S/N TAH1-UP; RAN1-UP
PART OF 301-6878, 301-6879 CYLINDER & LINES GP-BOOM
AN ATTACHMENT
i05792217 SEBP7439
  For full view, you need register

Parts for your 349D2 EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 3B-8489 [1] FITTING-GREASE (1/8-27 PTF)  
2. 9X-4598 [4] SEAL-LIP TYPE  
3. 266-8087 Y [1] CYLINDER GP-BOOM  
4. 8T-6757 [1] PLUG-PIPE  
  Y   SEPARATE ILLUSTRATION
 

Information:

Special Instruction
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 7562}
Instructions for Installation of Oversize Hydraulic Cylinder Seals {7555, 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
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
Service Letter-Australia
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
Service Letter-CFEL
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
Service Letter-CSARL
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
Service Letter-Americas
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
Specifications
Boom Lines - Long Reach Boom
345D, 349D and 349D2 Excavator Machine System Specifications
Boom Lines
345D, 349D and 349D2 Excavator Machine System Specifications
Boom Cylinder Lines
345D, 349D and 349D2 Excavator Machine System Specifications
Boom Cylinder Lines
345D, 349D and 349D2 Excavator Machine System Specifications
Bucket Cylinder
345D, 349D and 349D2 Excavator Machine System Specifications
Boom Cylinder Lines
345D, 349D and 349D2 Excavator Machine System Specifications
Bucket Cylinder
345D, 349D and 349D2 Excavator Machine System Specifications
Bucket Cylinder
345D, 349D and 349D2 Excavator Machine System Specifications
Cylinder Guard
345D, 349D and 349D2 Excavator Machine System Specifications
Boom Cylinder
345D, 349D and 349D2 Excavator Machine System Specifications
Stick Cylinder
345D, 349D and 349D2 Excavator Machine System Specifications
Tool Operating Manual
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}
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
Service Letter-Asia
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
Systems Operation
Cylinders (Boom, Stick and Bucket)
345D, 349D and 349D2 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}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
Reuse Guideline for Hydraulic Cylinder Position Sensor {5574, 5736}
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}
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}
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE STICK CYLINDER HEAD BOLTS ON CERTAIN 345, 349, 352 LARGE EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE CYLINDER PISTON SEAL FOR THE BOOM, STICK, OR BUCKET ON CERTAIN 336D, 336D2, 336E, 336F, 340D, 340D2, 349D, 349D2, 349E, 349F, AND 352F EXCAVATORS
Testing and Adjusting
Cylinder Drift - Check - Empty Bucket
345D, 349D and 349D2 Excavators Hydraulic System
Cylinder Speed - Check
345D, 349D and 349D2 Excavators Hydraulic System
Cylinder Drift - Check - Loaded Bucket
345D, 349D and 349D2 Excavators Hydraulic System
Relief Valve (Counterweight Cylinder) - Test and Adjust
345D, 349D and 349D2 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
Bucket Cylinder - Remove and Install
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine Systems
Boom Cylinder - Remove and Install
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine Systems
Counterweight Cylinder - Remove and Install
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine Systems
Stick Cylinder - Remove and Install
345D, 349D and 349D2 Excavators and 345D MHPU and 349D MHPU Mobile Hydraulic Power Units Machine Systems
Service Magazine
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Service Limit of the Bushings At the Front Linkages Are Now Available on Certain Excavators {5456, 5457, 5458, 6060, 6301, 6302, 6460, 6501, 6502, 6516, 6521, 6535, 6536}
Service Limit of the Bushings At the Front Linkages Are Now Available on Certain Excavators {5456, 5457, 5458, 6060, 6301, 6302, 6460, 6501, 6502, 6516, 6521, 6535, 6536}
New Cylinder Head Bolts are Now Used on Certain Excavators {5457, 5458}
New Cylinder Head Bolts are Now Used on Certain Excavators {5457, 5458}
New Tightening Procedure for the Stick Cylinder Piston Locknut is Available on Certain Excavators and Mobile Hydraulic Power Unit {5458}
New Tightening Procedure for the Stick Cylinder Piston Locknut is Available on Certain Excavators and Mobile Hydraulic Power Unit {5458}
A Procedure for Initial Cycling of Hydraulic Cylinders to Remove Air and Prevent Cylinder Dieseling is Now Being Used on Certain Excavators {5457}
A Procedure for Initial Cycling of Hydraulic Cylinders to Remove Air and Prevent Cylinder Dieseling is Now Being Used on Certain Excavators {5457}
Improved Cylinder Piston Seals Are Now Used on Certain Excavators and Mobile Hydraulic Power Units {5458}
Improved Cylinder Piston Seals Are Now Used on Certain Excavators and Mobile Hydraulic Power Units {5458}
New Stick Cylinder Group Is Now Used on Certain Excavators and OEM Excavator Based Specialty Solutions {5458}
New Stick Cylinder Group Is Now Used on Certain Excavators and OEM Excavator Based Specialty Solutions {5458}
Improved Cylinder Piston Seals Are Now Used on Certain Excavators and Mobile Hydraulic Power Units {5456, 5457, 5458}
Improved Cylinder Piston Seals Are Now Used on Certain Excavators and Mobile Hydraulic Power Units {5456, 5457, 5458}
Stick Cylinder Head Bolted Joint Improvement is Now Used on Certain 349D, 349D2, 349E, 349F, and 352F Excavators {5458}
Stick Cylinder Head Bolted Joint Improvement is Now Used on Certain 349D, 349D2, 349E, 349F, and 352F Excavators {5458}

Caterpillar Parts SIS Catalog 349D2 :

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