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146-1334 CONTROL AR-AUXILIARY S/N 7KS1-UP COMMON, WITHOUT 3RD AN ATTACHMENT 345B L EXCAVATOR


HYDRAULIC SYSTEM
VALVE GP-CONTROL
OPERATOR STATION
CONTROL GP-HYDRAULIC
HYDRAULIC SYSTEM
VALVE GP-CONTROL
COUPLING GP
PUMP GP

EXCAVATOR 345B L EXCAVATOR 2SW
 345B, 345B L & 345B LC Excavator 2SW00001-UP (MACHINE) POWERED BY 3176C Engine SEBP2754 345B L 2SW   (1998)

HYDRAULIC SYSTEM

VALVE GP-CONTROL
145-7212 CONTROL AR-AUXILIARY
146-1333 CONTROL AR-AUXILIARY
146-1334 CONTROL AR-AUXILIARY
177-4906 CONTROL AR-AUXILIARY
177-0858 CONTROL AR-FLOW
185-6922 CONTROL AR-FLOW
 

#SEBP27540380
 

146-1334: CONTROL AR-AUXILIARY

146-1334 CONTROL AR-AUXILIARY
S/N 7KS1-UP
COMMON, WITHOUT 3RD
AN ATTACHMENT
i00681978 SEBP2754
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  111-6428 Y [1] CONTROL GP-HYDRAULIC PEDAL (AUXILIARY)  
  128-7456 Y [1] LINES GP-FRONT  
  128-7458 Y [1] LINES GP-PILOT  
  128-7457 Y [1] LINES GP-PILOT  
  120-5095 Y [1] PLATE & FILM GP  
  Y   SEPARATE ILLUSTRATION
 

#SEBP27540381
 

177-4906: CONTROL AR-AUXILIARY

177-4906 CONTROL AR-AUXILIARY
S/N 7KS1-UP; 2SW1-UP
AN ATTACHMENT
i01207723 SEBP2754
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  8T-4956 M [4] BOLT (M12X1.75X35-MM)  
  143-6817 Y [1] CONTROL & MTG GP-AUX FLOW  
  129-7999 Y [1] DRIVE GP-PUMP  
  128-7533 Y [1] LINES GP-FRONT (2-PUMP FLOW)  
  141-3937 Y [1] LINES GP-FRONT (1-WAY, 2-WAY)  
  143-6813 Y [1] LINES GP-PILOT (FLOW CONTROL)  
  143-6814 Y [1] LINES GP-PILOT (LOGIC)  
  143-6815 Y [1] LINES GP-PILOT (2-PUMP FLOW)  
  Y [1] PLATE & FILM GP  
  136-8898 Y [1] PUMP GP-GEAR  
  8T-4223 [4] WASHER-HARD (13.5X25.5X3-MM THK)  
  143-6862 Y [1] WIRING GP-COMBINED FLOW  
  M   METRIC PART
  Y   SEPARATE ILLUSTRATION
 

#SEBP27540382
 

153-8256: CONTROL AR-COUPLER

153-8256 CONTROL AR-COUPLER
S/N 7KS1-UP; 2SW1-UP
AN ATTACHMENT
i01772902 SEBP2754
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  154-4109 Y [1] LINES GP-PILOT  
  212-9329 Y [1] WIRING GP-QUICK COUPLER  
  Y   SEPARATE ILLUSTRATION
 

#SEBP27540383
 

177-0858: CONTROL AR-FLOW

177-0858 CONTROL AR-FLOW
S/N 7KS1-UP; 2SW1-UP
AN ATTACHMENT
i01242057 SEBP2754
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  177-0848 [2] FILM-INSTRUCTION  
  176-1793 Y [1] LINES GP-PILOT (LOGIC SELECTABLE)  
  176-1791 Y [1] LINES GP-PILOT (1-WAY, 2-WAY FLOW)  
  176-1792 Y [1] LINES GP-PILOT (2-PUMP FLOW)  
  175-6947 Y [1] VALVE GP-AUXILIARY (2-PUMP FLOW)  
  Y   SEPARATE ILLUSTRATION
 

#SEBP27540384
 

185-6922: CONTROL AR-FLOW

185-6922 CONTROL AR-FLOW
S/N 2SW1-UP
PART OF 155-7832 BOOM AR, 196-7584 DEMOLITION AR, 150-3600 SPECIAL AR-SUPER LONG REACH
AN ATTACHMENT
i01336391 SEBP2754
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
  177-0848 [2] FILM-INSTRUCTION  
  176-1791 Y [1] LINES GP-PILOT (1-WAY, 2-WAY FLOW)  
  176-1792 Y [1] LINES GP-PILOT (2-PUMP FLOW)  
  176-1793 Y [1] LINES GP-PILOT (LOGIC SELECTABLE)  
  185-7881 Y [1] VALVE GP-CONTROL  
  Y   SEPARATE ILLUSTRATION
 

#SEBP27540385
 

239-6692: COUPLER GP-QUICK DISCONNECT

239-6692 COUPLER GP-QUICK DISCONNECT
S/N BFG1-UP
Type 1
FOR USE WITH MEDIUM PRESSURE STICK LINES
AN ATTACHMENT
i01992326 SEBP2754
2396692 COUPLER GP-QUICK DISCONNECT Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 200-4103 [2] CONNECTOR AS  
    (EACH INCLUDES)
  2M-9780 [1] SEAL-O-RING  
  3K-0360 [1] SEAL-O-RING  
2. 200-4102 [2] CONNECTOR  
3. 6C-6764 [2] CAP-CONNECTOR  
 

#SEBP27540386
 

239-6692: COUPLER GP-QUICK DISCONNECT

239-6692 COUPLER GP-QUICK DISCONNECT
S/N BFG1-UP
Type 2
FOR USE WITH MEDIUM PRESSURE STICK LINES
AN ATTACHMENT
i02023943 SEBP2754
2396692 COUPLER GP-QUICK DISCONNECT Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 241-3661 CJ [2] COUPLING AS  
    (EACH INCLUDES)
  3K-0360 [1] SEAL-O-RING  
2. 8U-8009 C [2] CAP-PROTECTION  
   
    AVAILABLE REPAIR KIT(S):
  239-3482 J [1] KIT-REPAIR (QUICK DISCONNECT)  
  C   CHANGE FROM PREVIOUS TYPE
  J   KIT MARKED J SERVICES PART(S) MARKED J
 

#SEBP27540387
 

154-6643: COUPLING & MTG GP-PUMP

154-6643 COUPLING & MTG GP-PUMP
S/N BFG1-UP; 7KS1-UP; 2SW1-UP
PART OF 124-1677 PUMP & MTG GP-MAIN HYDRAULIC
i00966746 SEBP2754
1546643 COUPLING & MTG GP-PUMP Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 154-5558 [1] FLANGE  
2. 3B-1915 [8] BOLT (3/8-16X1.375-IN)  
3. 154-5559 [1] HUB  
 

#SEBP27540388
 

141-8463: COUPLING GP-PUMP

141-8463 COUPLING GP-PUMP
S/N 7KS1-UP; 2SW1-UP
PART OF 124-1677 PUMP & MTG GP-MAIN HYDRAULIC
i00827193 SEBP2754
1418463 COUPLING GP-PUMP Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 5S-7382 [8] BOLT (3/8-16X1.375-IN)  
2. 141-8464 [1] COUPLING AS  
 

#SEBP27540389
 

121-1376: COVER GP-PUMP CONTROL

121-1376 COVER GP-PUMP CONTROL
S/N BFG1-UP; 7KS1-UP; 2SW1-UP
PART OF 137-3815 HEAD GP-PUMP
ALSO AN ATTACHMENT
i00479856 SEBP2754
1211376 COVER GP-PUMP CONTROL Parts scheme
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Parts for your 345B L EXCAVATOR:

CATERPILLAR SIS
Pos. Part No Qty Parts name Comments
1. 6E-3283 M [1] LOCKNUT (M12X1.75-THD)  
2. 9T-3929 [1] PLUG AS  
  6E-5479 [1] SEAL  
3. 033-6039 [1] SEAL-O-RING  
4. 4J-5573 [1] SEAL-O-RING  
5. 121-1585 [1] COVER  
6. 8T-2503 M [4] BOLT-SOCKET HEAD (M14X2X35-MM)  
7. 126-1497 M [1] SETSCREW  
8. 128-8981 [1] CAP  
  M   METRIC PART
 

Information:

Operation and Maintenance Manual
Boom Float Control - If Equipped
345B L Excavator
SmartBoom Control - If Equipped
320B, 322B, 325B, 330B and 345B Excavators
SmartBoom Operation - If Equipped
320B, 322B, 325B, 330B and 345B Excavators
Service Letter-NACD
PRODUCT SUPPORT PROGRAM FOR REPLACING SPRINGS WITHIN THE 137-3391 VALVE GROUP ON CERTAIN 330B UHD, 345B L UHD, 345B L II UHD, 345C AND UHD EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING SPRINGS WITHIN THE 137-3391 VALVE GROUP ON CERTAIN 330B UHD, 345B L UHD, 345B L II UHD, 345C AND UHD EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE THE STICK REGENERATION VALVE THAT MAY WEAR OUT ON CERTAIN 345B L EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE THE STICK REGENERATION VALVE THAT MAY WEAR OUT ON CERTAIN 345B L EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 140-0672 VALVE GROUP FOR THE STICK ON CERTAIN 345B, 345B L, 345B SERIES II, 345B L SERIES II EXCAVATORS AND W345B SERIES II MATERIAL HANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 140-0672 VALVE GROUP FOR THE STICK ON CERTAIN 345B, 345B L, 345B SERIES II, 345B L SERIES II EXCAVATORS AND W345B SERIES II MATERIAL HANDLERS
Service Letter-Australia
Service Letter-CFEL
Service Letter-CSARL
PRODUCT SUPPORT PROGRAM FOR REPLACING SPRINGS WITHIN THE 137-3391 VALVE GROUP ON CERTAIN 330B UHD, 345B L UHD, 345B L II UHD, 345C AND UHD EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING SPRINGS WITHIN THE 137-3391 VALVE GROUP ON CERTAIN 330B UHD, 345B L UHD, 345B L II UHD, 345C AND UHD EXCAVATORS
The Boom One Stem Bottom Plug May Come Loose On Certain 345B L Excavators
The Boom One Stem Bottom Plug May Come Loose On Certain 345B L Excavators
The Spring Of The Auxiliary Stem Of The Main Control Valve May Break On Certain 345B L Excavators
The Spring Of The Auxiliary Stem Of The Main Control Valve May Break On Certain 345B L Excavators
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE THE STICK REGENERATION VALVE THAT MAY WEAR OUT ON CERTAIN 345B L EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE THE STICK REGENERATION VALVE THAT MAY WEAR OUT ON CERTAIN 345B L EXCAVATORS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 140-0672 VALVE GROUP FOR THE STICK ON CERTAIN 345B, 345B L, 345B SERIES II, 345B L SERIES II EXCAVATORS AND W345B SERIES II MATERIAL HANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 140-0672 VALVE GROUP FOR THE STICK ON CERTAIN 345B, 345B L, 345B SERIES II, 345B L SERIES II EXCAVATORS AND W345B SERIES II MATERIAL HANDLERS
Service Letter-Americas
Technical Information Bulletin
Auxiliary Control Pedal (4th) Is Still Active Even Though Backup Switch Is Activated In Manual Backup Mode
Auxiliary Control Pedal (4th) Is Still Active Even Though Backup Switch Is Activated In Manual Backup Mode
Specifications
Hydraulic Control (Auxiliary Pedal)
345B Excavator and 345B Material Handler Machine System Specifications
Pilot Valve (Joystick)
345B Excavator and 345B Material Handler Machine System Specifications
Main Control Valve
345B Excavator and 345B Material Handler Machine System Specifications
Tool Operating Manual
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}
Service Letter-China
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 140-0672 VALVE GROUP FOR THE STICK ON CERTAIN 345B, 345B L, 345B SERIES II, 345B L SERIES II EXCAVATORS AND W345B SERIES II MATERIAL HANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 140-0672 VALVE GROUP FOR THE STICK ON CERTAIN 345B, 345B L, 345B SERIES II, 345B L SERIES II EXCAVATORS AND W345B SERIES II MATERIAL HANDLERS
Service Letter-Asia
Systems Operation
Main Control Valve
345B Excavator Hydraulic System
Pilot Valve (Joystick)
345B Excavator Hydraulic System
Service Letter-APD
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 140-0672 VALVE GROUP FOR THE STICK ON CERTAIN 345B, 345B L, 345B SERIES II, 345B L SERIES II EXCAVATORS AND W345B SERIES II MATERIAL HANDLERS
PRODUCT SUPPORT PROGRAM FOR REPLACING THE 140-0672 VALVE GROUP FOR THE STICK ON CERTAIN 345B, 345B L, 345B SERIES II, 345B L SERIES II EXCAVATORS AND W345B SERIES II MATERIAL HANDLERS
Disassembly and Assembly
Main Control Valve - Remove
345B, 345B Series II and W345B Series II Excavators Machine Systems
Main Control Valve - Disassemble
345B, 345B Series II and W345B Series II Excavators Machine Systems
Main Control Valve - Install
345B, 345B Series II and W345B Series II Excavators Machine Systems
Main Control Valve - Assemble
345B, 345B Series II and W345B Series II Excavators Machine Systems
Service Magazine
Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/12/28
New Shuttle Valves Installed In Boom Hydraulic Circuit At Main Control Valve On Excavators With An Auxiliary Circuit {5057,5059}
1999/04/12
The Torque Specification Is Increased for the Plugs in the Main Hydraulic Control Valve {5051}
2002/03/18
Correction to Specifications , "Control Valve (Main)" {5051}
2002/03/18
An Improved Support Provides Increased Durability of the Cover for the Control Valve {5051, 5056}
2004/05/24
New Relief Valves Improve Controllability {5117, 5117}
2004/12/27
The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

Caterpillar Parts SIS Catalog 345B L :

146-1333 CONTROL AR-AUXILIARY
145-7212 CONTROL AR-AUXILIARY
143-6810 CONTROL AR-AUXILIARY
143-4793 CONTROL AR-AUXILIARY
BASE GP-OIL FILTER
129-8053 BASE GP-OIL FILTER
ACCUMULATOR GP-HYDRAULIC
5I-8416 ACCUMULATOR GP-HYDRAULIC
ACCUMULATOR GP-HYDRAULIC
4I-1536 ACCUMULATOR GP-HYDRAULIC
ACCUMULATOR GP-HYDRAULIC
227-8807 ACCUMULATOR GP-HYDRAULIC
177-4906 CONTROL AR-AUXILIARY
153-8256 CONTROL AR-COUPLER
177-0858 CONTROL AR-FLOW
185-6922 CONTROL AR-FLOW
COUPLER GP-QUICK DISCONNECT
239-6692 COUPLER GP-QUICK DISCONNECT
COUPLER GP-QUICK DISCONNECT
239-6692 COUPLER GP-QUICK DISCONNECT
COUPLING & MTG GP-PUMP
154-6643 COUPLING & MTG GP-PUMP
COUPLING GP-PUMP
141-8463 COUPLING GP-PUMP

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