357-9782 CYLINDER & LINES GP-BUCKET S/N TBA1-UP; WDE1-UP; BWY1-UP PART OF 228-8158, 245-5584 LINKAGE AR-BUCKET AN ATTACHMENT 345C

225-4524 CYLINDER & LINES GP-STICK
S/N TBA1-UP; WDE1-UP; BWY1-UP
PART OF 220-2491 BOOM AR-MASS, 220-2488, 220-2489, 257-4512, 257-4513, 257-4549 BOOM AR-REACH
AN ATTACHMENT

i02215409 SEBP4286

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Parts for your 345C EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
225-4525 Y	[1]	CYLINDER & SEAL GP-STICK
129-5973 Y	[1]	LINES GP-STICK CYLINDER
Y		SEPARATE ILLUSTRATION

#SEBP42860573

242-6837: CYLINDER & LINES GP-STICK

CYLINDER & LINES GP-STICK

242-6837 CYLINDER & LINES GP-STICK
S/N TBA1-UP; WDE1-UP; BWY1-UP
PART OF 228-8235, 257-4550 BOOM AR-LONG REACH
AN ATTACHMENT

i02231841 SEBP4286

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Parts for your 345C EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
242-6838 Y	[1]	CYLINDER & SEAL GP-STICK
245-4934 Y	[1]	LINES GP-STICK CYLINDER
Y		SEPARATE ILLUSTRATION

#SEBP42860574

274-2451: CYLINDER & LINES GP-STICK

CYLINDER & LINES GP-STICK

274-2451 CYLINDER & LINES GP-STICK
S/N TBA1-UP; WDE1-UP; BWY1-UP
PART OF 274-2465, 274-2466 CYLINDER AR-BOOM
AN ATTACHMENT

i02505097 SEBP4286

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Parts for your 345C EXCAVATOR:

CATERPILLAR SIS

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

#SEBP42860575

358-8458: CYLINDER & LINES GP-STICK

CYLINDER & LINES GP-STICK

358-8458 CYLINDER & LINES GP-STICK
S/N TBA1-UP; WDE1-UP; BWY1-UP
PART OF 220-2491 BOOM AR-MASS, 220-2488, 220-2489, 257-4512, 257-4513, 257-4549 BOOM AR-REACH
AN ATTACHMENT

i07059606 SEBP4286

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Parts for your 345C EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
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

#SEBP42860576

225-4522: CYLINDER & SEAL GP-BOOM

CYLINDER & SEAL GP-BOOM

225-4522 CYLINDER & SEAL GP-BOOM
S/N TBA1-UP; WDE1-UP; BWY1-UP
PART OF 225-4520, 225-4521 CYLINDER & LINES GP-BOOM
Type 1
AN ATTACHMENT

i02215379 SEBP4286

2254522 CYLINDER & SEAL GP-BOOM Parts scheme

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Parts for your 345C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-8489	[1]	FITTING-GREASE (1/8-27 PTF)
2.	9X-4598	[4]	SEAL-LIP TYPE
3.	225-4523 Y	[1]	CYLINDER GP-BOOM
4.	8T-6757	[1]	PLUG-PIPE
	Y		SEPARATE ILLUSTRATION

#SEBP42860577

225-4522: CYLINDER & SEAL GP-BOOM

CYLINDER & SEAL GP-BOOM

225-4522 CYLINDER & SEAL GP-BOOM
S/N TBA1-UP; WDE1-UP; BWY1-UP
PART OF 225-4520, 225-4521 CYLINDER & LINES GP-BOOM
Type 2
AN ATTACHMENT

i05581929 SEBP4286

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Parts for your 345C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
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

#SEBP42860578

266-8086: CYLINDER & SEAL GP-BOOM

CYLINDER & SEAL GP-BOOM

266-8086 CYLINDER & SEAL GP-BOOM
S/N TBA1-UP; WDE1-UP; BWY1-UP
PART OF 266-8084, 266-8085 CYLINDER & LINES GP-BOOM
AN ATTACHMENT

i02505085 SEBP4286

2668086 CYLINDER & SEAL GP-BOOM Parts scheme

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Parts for your 345C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
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

#SEBP42860579

225-4528: CYLINDER & SEAL GP-BUCKET

CYLINDER & SEAL GP-BUCKET

225-4528 CYLINDER & SEAL GP-BUCKET
S/N TBA1-UP; WDE1-UP; BWY1-UP
PART OF 225-4527 CYLINDER & LINES GP-BUCKET
AN ATTACHMENT

i02212139 SEBP4286

2254528 CYLINDER & SEAL GP-BUCKET Parts scheme

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Parts for your 345C EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-8489	[2]	FITTING-GREASE (1/8-27 PTF)
2.	7X-4803	[2]	SEAL-LIP TYPE
3.	225-4529 Y	[1]	CYLINDER GP-BUCKET
4.	9X-4597	[2]	SEAL-LIP TYPE
	Y		SEPARATE ILLUSTRATION

Information:

HYDRAULIC SYSTEM

CYLINDER GP

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}

Service Letter-NACD

PRODUCT SUPPORT PROGRAM FOR REWORKING THE STICK CYLINDER ON CERTAIN 345B, 345C, 365C L MH, AND 385C L MH EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REWORKING THE STICK CYLINDER ON CERTAIN 345B, 345C, 365C L MH, AND 385C L MH EXCAVATORS

PRODUCT SUPPORT PROGRAM FOR REPLACING CYLINDER RODS THAT HAVE SURFACE DISCOLORATION ON CERTAIN 320D, 324D, 325D, 330D, 345C EXCAVATORS (CONTAINMENT)
PRODUCT SUPPORT PROGRAM FOR REPLACING CYLINDER RODS THAT HAVE SURFACE DISCOLORATION ON CERTAIN 320D, 324D, 325D, 330D, 345C EXCAVATORS (CONTAINMENT)

PRODUCT SUPPORT PROGRAM FOR REPLACING THE BUCKET CYLINDER ROD ON CERTAIN 330D, 336D, 336D L, 345C, 345D, AND 345D L HYDRAULIC EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE BUCKET CYLINDER ROD ON CERTAIN 330D, 336D, 336D L, 345C, 345D, AND 345D L HYDRAULIC EXCAVATORS

Service Letter-Australia

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}
The Failure of the Buffer Seal that can be Caused by a Defect in the Seal Groove on All Track-Type Tractors, Wheel Loaders, Hydraulic Excavators and Backhoe Loaders that Use Cylinders that were Manufactured After 1January 2000{7562}

Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}
Discoloration of the Hydraulic Cylinder Rod on Certain Excavators{5102, 5456, 5457, 5458, 5468, 7562}

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}

Low Cycle Cylinder Rod Breaks on Certain Excavators and Mobile Hydraulic Power Units{7562}
Low Cycle Cylinder Rod Breaks on Certain Excavators and Mobile Hydraulic Power Units{7562}

Specifications

Boom Cylinder Lines - Left Hand
345C Excavator Machine System Specifications

Boom Cylinder Lines - Right Hand
345C Excavator Machine System Specifications

Boom Cylinder
345C Excavator Machine System Specifications

Stick Cylinder
345C Excavator Machine System Specifications

Bucket Cylinder
345C Excavator Machine System Specifications

Boom Lines
345C Excavator Machine System Specifications

Bucket Cylinder
345C Excavator 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}

Service Letter-China

Service Letter-Asia

Systems Operation

Cylinders (Boom, Stick and Bucket)
345C 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}

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}

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}

Service Letter-APD

Testing and Adjusting

Cylinder Speed - Check
345C Excavator Hydraulic System

Cylinder Drift - Check - Empty Bucket
345C Excavator Hydraulic System

Cylinder Drift - Check - Loaded Bucket
345C Excavator Hydraulic System

Relief Valve (Counterweight Cylinder) - Test and Adjust
345C Excavator Hydraulic System

Bench Test Procedures

Disassembly and Assembly

Boom Cylinder - Remove and Install
345C Excavator and 345C MHPU
Mobile Hydraulic Power Unit Machine Systems

Counterweight Cylinder - Remove and Install
345C Excavator and 345C MHPU
Mobile Hydraulic Power Unit Machine Systems

Stick Cylinder - Remove and Install
345C Excavator and 345C MHPU
Mobile Hydraulic Power Unit Machine Systems

Bucket Cylinder - Remove and Install
345C Excavator and 345C MHPU
Mobile Hydraulic Power Unit Machine Systems

Service Magazine

Procedure Now Available to Test the Position Sensor of a Hydraulic Cylinder {1439, 7562}
2012/10/04

New Hydraulic Cylinders for the Stick Improve the Reliability {5458}
2010/01/11

Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}
Compatible Puller Stud and Hydraulic Cylinder Capacity Chart {0599, 7000, 7562}

Correct Ring Orientation Provides Smooth Hydraulic Cylinder Operation {5456, 5458}
2009/03/16

Cylinder Rod Seals Have Been Improved for Certain Excavators {5457}
2009/07/06

A Rework Procedure Improves the Seal Assembly Performance in Hydraulic Cylinders on Cat Products {7562}
2010/04/30

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}

Improved Seal Kits are Now Used on Certain Excavators {5456, 5457, 5458}
2011/11/18

Caterpillar Parts SIS Catalog 345C :

274-2457 CYLINDER & LINES GP-BUCKET

274-2454 CYLINDER & LINES GP-BUCKET

225-4530 CYLINDER & LINES GP-BUCKET

225-4527 CYLINDER & LINES GP-BUCKET

266-8085 CYLINDER & LINES GP-BOOM

266-8084 CYLINDER & LINES GP-BOOM

225-4521 CYLINDER & LINES GP-BOOM

225-4520 CYLINDER & LINES GP-BOOM

358-8501 CYLINDER & LINES GP-BUCKET

225-4524 CYLINDER & LINES GP-STICK

242-6837 CYLINDER & LINES GP-STICK

274-2451 CYLINDER & LINES GP-STICK

358-8458 CYLINDER & LINES GP-STICK

225-4522 CYLINDER & SEAL GP-BOOM

266-8086 CYLINDER & SEAL GP-BOOM

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Caterpillar 345C
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CGT - COMPAGNIA GENERALE TRATTORI

Caterpillar 345C, Crawler Excavators, Construction
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