203-0052 CONTROL AR-AUXILIARY -COMMON 1PUMP/2PUMPS S/N 7JR1-UP; 1XS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP AN ATTACHMENT 320B

Part No	Qty	Parts name
132-5872 Y	[1]	CONTROL & MTG GP-AUX FLOW (ENGINE, HYDRAULIC)
171-8087	[1]	FILM-INSTRUCTION (SELECT VALVE)
134-2738 Y	[1]	LINES GP-FRONT
203-0070 Y	[1]	LINES GP-FRONT
203-0066 Y	[1]	LINES GP-PILOT
203-0068 Y	[1]	LINES GP-PILOT
203-0069 Y	[1]	LINES GP-PILOT
134-5153 Y	[1]	LINES GP-PUMP
Y	[1]	PLATE & FILM GP
134-1063 Y	[1]	PUMP & AUXILIARY DRIVE GP
134-7862 Y	[1]	WIRING GP-COMBINED FLOW
Y		SEPARATE ILLUSTRATION

#SEBP28400491

142-9898: CONTROL AR-COUPLER

CONTROL AR-COUPLER

142-9898 CONTROL AR-COUPLER
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP
AN ATTACHMENT

i00583869 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
143-5233 Y	[1]	LINES GP-PILOT
143-5234 Y	[1]	WIRING GP-QUICK COUPLER
Y		SEPARATE ILLUSTRATION

#SEBP28400492

153-6198: CONTROL AR-COUPLER

CONTROL AR-COUPLER

153-6198 CONTROL AR-COUPLER
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 3YZ1-UP
AN ATTACHMENT

i02186181 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
153-7884 Y	[1]	LINES GP-PILOT
153-6197 Y	[1]	WIRING GP-QUICK COUPLER
		-OR-
214-8902 Y	[1]	WIRING GP-QUICK COUPLER
Y		SEPARATE ILLUSTRATION

#SEBP28400493

170-4524: CONTROL AR-FLOW

CONTROL AR-FLOW

170-4524 CONTROL AR-FLOW
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP
AN ATTACHMENT

i01135936 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
171-8087	[2]	FILM-INSTRUCTION (SELECT VALVE)
169-8240 Y	[1]	LINES GP-PILOT
169-8241 Y	[1]	LINES GP-PILOT
169-8242 Y	[1]	LINES GP-PILOT
168-5915 Y	[1]	VALVE GP-SELECTOR
Y		SEPARATE ILLUSTRATION

#SEBP28400494

185-6919: CONTROL AR-FLOW

CONTROL AR-FLOW

185-6919 CONTROL AR-FLOW
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 3YZ1-UP
2 PUMP FLOW
Type 1
AN ATTACHMENT

i01266001 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
171-8087	[2]	FILM-INSTRUCTION (SELECT VALVE)
169-8240 Y	[1]	LINES GP-PILOT
169-8241 Y	[1]	LINES GP-PILOT
169-8242 Y	[1]	LINES GP-PILOT
185-7878 Y	[1]	VALVE GP-SELECTOR (1-PUMP, 2-PUMP)
Y		SEPARATE ILLUSTRATION

#SEBP28400495

185-6919: CONTROL AR-FLOW

CONTROL AR-FLOW

185-6919 CONTROL AR-FLOW
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 3YZ1-UP
2 PUMP FLOW
Type 2
AN ATTACHMENT

i01337119 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	171-8087	[1]	FILM-INSTRUCTION (SELECT VALVE)

	169-8241 FY	[1]	LINES GP-PILOT
	169-8242 FY	[1]	LINES GP-PILOT
	169-8240 FY	[1]	LINES GP-PILOT
	188-3787 FY	[1]	VALVE GP-CONTROL
	F		NOT SHOWN
	Y		SEPARATE ILLUSTRATION

#SEBP28400496

170-2183: CONVERSION AR-WORK TOOL

CONVERSION AR-WORK TOOL

170-2183 CONVERSION AR-WORK TOOL
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP
MEDIUM PRESSURE
AN ATTACHMENT

i01452676 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
8T-4956 M	[4]	BOLT (M12X1.75X35-MM)
129-7995 Y	[1]	DRIVE GP-AUXILIARY PUMP
134-5153 Y	[1]	LINES GP-PUMP
136-8898 Y	[1]	PUMP GP-GEAR
8T-4223	[4]	WASHER-HARD (13.5X25.5X3-MM THK)
147-9406 Y	[1]	WIRING GP-AUXILIARY CONTROL
M		METRIC PART
Y		SEPARATE ILLUSTRATION

#SEBP28400497

171-1365: CONVERSION AR-WORK TOOL

CONVERSION AR-WORK TOOL

171-1365 CONVERSION AR-WORK TOOL
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 3YZ1-UP
SINGLE ACTION 2 PUMPS
AN ATTACHMENT

i01452755 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
8T-4956 M	[4]	BOLT (M12X1.75X35-MM)
132-5872 Y	[1]	CONTROL & MTG GP-AUX FLOW (ENGINE, HYDRAULIC)
129-7995 Y	[1]	DRIVE GP-AUXILIARY PUMP
133-8909 Y	[1]	FILM GP
119-2708 Y	[1]	LINES GP-FRONT
128-7485 Y	[1]	LINES GP-FRONT
134-6546 Y	[1]	LINES GP-PILOT
134-6548 Y	[1]	LINES GP-PILOT
134-6550 Y	[1]	LINES GP-PILOT
133-3449 Y	[1]	LINES GP-PUMP
136-8898 Y	[1]	PUMP GP-GEAR
8T-4223	[4]	WASHER-HARD (13.5X25.5X3-MM THK)
134-2744 Y	[1]	WIRING GP-WORK TOOL (1-WAY)
M		METRIC PART
Y		SEPARATE ILLUSTRATION

#SEBP28400498

124-1665: COUPLING GP-PUMP

COUPLING GP-PUMP

124-1665 COUPLING GP-PUMP
S/N 7JR1-934; 1XS1-645; 2AS1-593; 5MS1-325; 9WS1-UP; 6LW1-UP
PART OF 118-9788 PUMP & MTG GP-MAIN HYDRAULIC

i00516332 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7Y-1905 M	[4]	BOLT-SOCKET HEAD (M16X2X60-MM)
2.	7Y-0468	[4]	PIN-SPRING
3.	7Y-1908	[1]	SPACER
4.	124-1666	[1]	COUPLING AS
	7Y-0466 M	[2]	SETSCREW-SOCKET (M16X2X22-MM)
	7Y-0468	[8]	PIN-SPRING
	7Y-1900	[4]	INSERT-COUPLING
	7Y-1901	[1]	ELEMENT-COUPLING
	7Y-1902	[4]	INSERT-COUPLING
	7Y-1904 M	[4]	BOLT-SOCKET HEAD (M16X2X50-MM)
	124-1667	[1]	HUB
	M		METRIC PART

#SEBP28400499

123-2011: COVER GP-PUMP CONTROL

COVER GP-PUMP CONTROL

123-2011 COVER GP-PUMP CONTROL
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP
PART OF 126-2138 HEAD GP-PUMP
ALSO AN ATTACHMENT

i00513936 SEBP2840

1232011 COVER GP-PUMP CONTROL Parts scheme

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	123-2089	[1]	COVER
2.	4J-8998	[1]	SEAL-O-RING
3.	6V-8397	[1]	SEAL-O-RING
4.	9T-3929	[1]	PLUG AS
	6E-5479	[1]	SEAL
5.	6E-5063	[1]	CAP AS
6.	9T-3049	[1]	BOLT-STOP
7.	9T-3048	[1]	LOCKNUT-SEALING
8.	8T-3957 M	[4]	BOLT-SOCKET HEAD (M12X1.75X30-MM)
	M		METRIC PART

Information:

HYDRAULIC SYSTEM

VALVE GP-CONTROL

Operation and Maintenance Manual

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 Reworking Boom Lowering Check Valve And Stick Lowering Check Valve On Certain 320B, 320B L, 320B N And 320B S Excavators
Product Support Program For Reworking Boom Lowering Check Valve And Stick Lowering Check Valve On Certain 320B, 320B L, 320B N And 320B S Excavators

Service Letter-CSARL

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)
320B Excavator Machine System Specifications

Pilot Valve (Joystick)
320B Excavator Machine System Specifications

Pilot Valve (Travel)
320B Excavator Machine System Specifications

Control Valve (Main)
320B Excavator Machine System Specifications

Travel Counterbalance Valve
320B Excavator Machine System Specifications

Hydraulic Control (Auxiliary Pedal)
320B Excavator Machine System Specifications

Pilot Control Valve (Auxiliary)
320B Excavator Machine System Specifications

Tool Operating Manual

Using the 173-1530 Injector Seating Tool Group on 3114, 3116, and 3126 MUI or 3116 and 3126 HEUI 2-Valve Engines{1290}
Using the 173-1530 Injector Seating Tool Group on 3114, 3116, and 3126 MUI or 3116 and 3126 HEUI 2-Valve Engines{1290}

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}

Systems Operation

Pilot Valve (Travel)
320B Excavator Hydraulic System

Main Control Valve
320B Excavator Hydraulic System

Pilot Valve (Implement and Swing)
320B Excavator Hydraulic System

Testing and Adjusting

Cylinder Drift - Check - Empty Bucket
320B Excavator Hydraulic System

Disassembly and Assembly

Boom Drift Reduction Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Stick Drift Reduction Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Pilot Control Valves (Travel)
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Auxiliary Pilot Control Valve (Straight Travel)
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Pilot Control Valves (Implement)
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Shock Reducing Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Slow Return Check Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Main Control Valve
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

New Optional Spring Available To Lighten The Required Operating Force On Control Levers Improves Operator Comfort {5465,5466}
1997/05/12

Optional Valve Spool Kits Are Available For The Pilot Valve Group To Modify The Response Of Implement Controls{5059,5462,5465,5466}
1998/04/20

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

Springs Used To Improve Leveling Operations Are Now Serviced{5051}
1999/02/01

Stem Kits For Main Hydraulic Control Valves Are Now Serviced {5051}
1999/02/08

New Shuttle Valves Installed In Boom Hydraulic Circuit At Main Control Valve On Excavators With An Auxiliary Circuit {5057,5059}
1999/04/12

New Hose Routing In Hydraulic Auxiliary Pilot Lines Allows Operator To Relieve Pressure {5051,5057}
1999/10/25

A New Slow Return Check Valve Improves Hydraulic Performance {5067}
2000/09/04

Correction to Service Manual , "Hydraulic System (Attachment) Combined Flow Control / 2 Pump Circuit" {5051}
2002/02/11

The 6V-8633 Connector Has Changed {5057, 7553}
2005/11/28

Caterpillar Parts SIS Catalog 320B :

163-1407 CONTROL AR-AUXILIARY

151-5532 CONTROL AR-AUXILIARY

147-9402 CONTROL AR-AUXILIARY

143-0313 CONTROL AR-AUXILIARY

134-1064 CONTROL AR-AUXILIARY

134-1061 CONTROL AR-AUXILIARY

173-3503 BLOCK GP-HYDRAULIC

142-9898 CONTROL AR-COUPLER

153-6198 CONTROL AR-COUPLER

170-4524 CONTROL AR-FLOW

185-6919 CONTROL AR-FLOW

170-2183 CONVERSION AR-WORK TOOL

171-1365 CONVERSION AR-WORK TOOL

124-1665 COUPLING GP-PUMP

Truck sale:

Caterpillar 320B
- Crawler excavators
CGT - COMPAGNIA GENERALE TRATTORI

17.353

Caterpillar G320B/D, ag - greifer, Bau-Und Bergbauausrüstung
- grapple
ZEPPELIN BAUMASCHINEN

6.000

Caterpillar 320 BUCKET, schaufel, Bau-Und Bergbauausrüstung
- bucket
MILTON CAT

19.220

Caterpillar G320B/D, ag - greifer, Bau-Und Bergbauausrüstung

Caterpillar 320B, Raupenbagger, Bau-Und Bergbauausrüstung