118-3984 TANK & MTG GP-HYDRAULIC S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP PART OF 125-8064, 129-0740, 131-9148, 131-9255, 136-6013, 146-6705, 146-9619 HYDRAULIC AR 320B

HYDRAULIC SYSTEM

TANK GP

0. 118-3984 TANK & MTG
1. 134-1595 TANK GP-HY
2. 134-1595 TANK GP-HY

LINES GP-HYDRAULIC

3. 121-6228 TUBE GP-HY
4. 128-7499 TUBE GP-HY

VALVE GP

5. 143-0307 VALVE AR

VALVE GP-LOAD CONTROL

6. 134-1067 VALVE AR-B

VALVE GP-CHECK & RELIEF

7. 134-1066 VALVE AR-C
8. 134-1072 VALVE AR-C
9. 203-8468 VALVE AR-C
0. INFORMATION

EXCAVATOR 320B EXCAVATOR 1XS
320B, 320B L, 320B LN, 320B N & 320B S Excavators 1XS00001-UP (MACHINE) POWERED BY 3116 Engine SEBP2840 320B 1XS (1996)

HYDRAULIC SYSTEM

TANK GP

4I-3741 FILTER GP-OIL

118-3998 TANK & FILTER GP-HYDRAULIC

118-3984 TANK & MTG GP-HYDRAULIC

134-1595 TANK GP-HYDRAULIC

#SEBP28400810

118-3984: TANK & MTG GP-HYDRAULIC

TANK & MTG GP-HYDRAULIC

118-3984 TANK & MTG GP-HYDRAULIC
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP
PART OF 125-8064, 129-0740, 131-9148, 131-9255, 136-6013, 146-6705, 146-9619 HYDRAULIC AR

i00482615 SEBP2840

1183984 TANK & MTG GP-HYDRAULIC Parts scheme

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	118-3998 Y	[1]	TANK & FILTER GP-HYDRAULIC
2.	7X-2553 M	[6]	BOLT (M16X2X40-MM)
3.	9X-8257	[6]	WASHER (17.5X30X3.5-MM THK)
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP28400811

134-1595: TANK GP-HYDRAULIC

TANK GP-HYDRAULIC

134-1595 TANK GP-HYDRAULIC
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP
PART OF 118-3998 TANK & FILTER GP-HYDRAULIC
Type 1

i00507676 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.		[1]	TANK AS-HYDRAULIC
	7T-1099	[3]	LINK
	8T-4191 M	[2]	BOLT (M10X1.5X16-MM)
2.	8T-4121	[18]	WASHER-HARD (11X21X2.5-MM THK)
3.	8T-4137 M	[10]	BOLT (M10X1.5X20-MM)
4.	133-6688 Y	[1]	SCREEN GP-HYDRAULIC
5.	169-7946	[1]	COVER AS
6.	4I-3745	[1]	CAP-PRESSURE
7.	095-1730	[1]	SEAL-O-RING
8.	105-2652	[1]	PLUG
9.	6C-8496	[1]	WASHER (46X60.5X1.5-MM THK)
10.	095-1608	[1]	SEAL-O-RING
11.	112-0058	[1]	COVER AS
	1U-2827	[1]	GUIDE-VALVE
	8J-8783	[1]	VALVE-DRAIN
12.	5M-2057	[1]	SEAL-O-RING
13.	9J-7031	[1]	PLUG-DRAIN
14.	4M-0189	[1]	SEAL-O-RING
15.	133-6689	[1]	SCREEN AS
16.	8T-4136 M	[4]	BOLT (M10X1.5X25-MM)
17.	1P-4578	[2]	FLANGE-HALF
18.	5H-4020	[1]	COVER
19.	4J-0522	[1]	SEAL-O-RING
20.	8T-4196 M	[4]	BOLT (M10X1.5X35-MM)
21.	126-2172	[1]	PLATE
22.	6V-6707	[1]	SEAL-O-RING
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP28400812

134-1595: TANK GP-HYDRAULIC

TANK GP-HYDRAULIC

134-1595 TANK GP-HYDRAULIC
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP
PART OF 118-3998 TANK & FILTER GP-HYDRAULIC
Type 2

i01658732 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.		[1]	TANK AS-HYDRAULIC
2.	8T-4121	[18]	WASHER-HARD (11X21X2.5-MM THK)
3.	8T-4137 M	[10]	BOLT (M10X1.5X20-MM)
4.	107-6996 Y	[1]	SCREEN GP-HYDRAULIC
5.	169-7946	[1]	COVER AS
6.	4I-3745	[1]	CAP-PRESSURE
7.	095-1730	[1]	SEAL-O-RING
8.	105-2652	[1]	PLUG
9.	6C-8496	[1]	WASHER (46X60.5X1.5-MM THK)
10.	095-1608	[1]	SEAL-O-RING
11.	112-0058	[1]	COVER AS
	1U-2827	[1]	GUIDE-VALVE
	8J-8783	[1]	VALVE-DRAIN
12.	5M-2057	[1]	SEAL-O-RING
13.	9J-7031	[1]	PLUG-DRAIN
14.	4M-0189	[1]	SEAL-O-RING
15.	133-6689	[1]	SCREEN AS
16.	8T-4136 M	[4]	BOLT (M10X1.5X25-MM)
17.	1P-4578	[2]	FLANGE-HALF
18.	5H-4020	[1]	COVER
19.	4J-0522	[1]	SEAL-O-RING
20.	8T-4196 M	[4]	BOLT (M10X1.5X35-MM)
21.	126-2172	[1]	PLATE
22.	6V-6707	[1]	SEAL-O-RING
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

#SEBP28400813

121-6228: TUBE GP-HYDRAULIC

TUBE GP-HYDRAULIC

121-6228 TUBE GP-HYDRAULIC
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP
PART OF 115-8923 LINES GP-PUMP

i00485275 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
	[1]	PIPE AS
Y	[1]	TUBE GP-HYDRAULIC (PUMP)
Y		SEPARATE ILLUSTRATION

#SEBP28400814

128-7499: TUBE GP-HYDRAULIC

TUBE GP-HYDRAULIC

128-7499 TUBE GP-HYDRAULIC
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP
PART OF 121-6228 TUBE GP-HYDRAULIC

i00521933 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name	Comments
	9S-4181	[1]	PLUG (1-5/16-12-THD)
	7M-8485	[1]	SEAL-O-RING

#SEBP28400815

143-0307: VALVE AR

VALVE AR

143-0307 VALVE AR
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 3YZ1-UP
AN ATTACHMENT

i00582330 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
143-1733 Y	[1]	LINES GP-BOOM
134-1074 Y	[1]	LINES GP-PILOT
134-1075 Y	[1]	LINES GP-RETURN
Y		SEPARATE ILLUSTRATION

#SEBP28400816

134-1067: VALVE AR-BOOM LOWERING CONTROL

VALVE AR-BOOM LOWERING CONTROL

134-1067 VALVE AR-BOOM LOWERING CONTROL
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP
PART OF 134-1066 VALVE AR-CHECK & RELIEF
AN ATTACHMENT

i00507017 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
134-1068 Y	[1]	LINES GP-BOOM
134-1069 Y	[1]	LINES GP-PILOT
134-1070 Y	[1]	LINES GP-RETURN
Y		SEPARATE ILLUSTRATION

#SEBP28400817

134-1066: VALVE AR-CHECK & RELIEF

VALVE AR-CHECK & RELIEF

134-1066 VALVE AR-CHECK & RELIEF
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 6LW1-UP; 3YZ1-UP
AN ATTACHMENT

i00507015 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
130-4759 Y	[1]	CONTROL & MTG GP-MACHINE (ENGINE, HYDRAULIC)
134-1067 Y	[1]	VALVE AR-BOOM LOWERING CONTROL
Y		SEPARATE ILLUSTRATION

#SEBP28400818

134-1072: VALVE AR-CHECK & RELIEF

VALVE AR-CHECK & RELIEF

134-1072 VALVE AR-CHECK & RELIEF
S/N 7JR1-UP; 1XS1-UP; 2AS1-UP; 5MS1-UP; 9WS1-UP; 3YZ1-UP
AN ATTACHMENT

i00507085 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
134-1073 Y	[1]	LINES GP-BOOM
134-1074 Y	[1]	LINES GP-PILOT
134-1075 Y	[1]	LINES GP-RETURN
Y		SEPARATE ILLUSTRATION

#SEBP28400819

203-8468: VALVE AR-CHECK & RELIEF

VALVE AR-CHECK & RELIEF

203-8468 VALVE AR-CHECK & RELIEF
S/N 1XS1-UP
AN ATTACHMENT

i01612804 SEBP2840

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Parts for your 320B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
203-8458 Y	[1]	LINES GP-BOOM
134-1074 Y	[1]	LINES GP-PILOT
134-1075 Y	[1]	LINES GP-RETURN
Y		SEPARATE ILLUSTRATION

Information:

HYDRAULIC SYSTEM

TANK GP

Operation and Maintenance Manual

Hydraulic System Oil Return Filter - Replace
320B, 322B and 325B Excavators

Hydraulic System Oil - Change
320B, 322B and 325B Excavators

Hydraulic System Oil Level - Check
320B, 322B and 325B Excavators

Technical Information Bulletin

Check For Correct Operation Of Oil Level Switch
Check For Correct Operation Of Oil Level Switch

Specifications

Hydraulic Tank and Filter
320B Excavator Machine System Specifications

Tool Operating Manual

204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}
204-7392 (Air Motor Driven) Filter Cart {0645, 0680, 0738, 5056, 5068}

Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}
Procedures for Using 9U-5971 and 173-9842 Filter Cart Group {0599, 0738, 5050, 5056, 5057, 5068, 5095, 7579}

Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}
Procedures For Using: 127-8781 Transfer Filter Cart , old 9U-7361 (110V, 60 hz), 169-7159 Transfer Filter Cart , old 127-8782 (220V, 50 hz) CE, 174-9158 Transfer Filter Cart , old 129-0849 (Air Motor Driven){0374, 0599, 0680, 0738}

Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}
Procedure for Using 173-8839 Fluid Storage Filter Cart {0113, 0374, 0599, 0680, 0738, 7579}

188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}
188-3242 Filter Cart Group and 227-2479 Filter Cart Group{0374, 0599, 0680, 0738, 0768, 5050, 5056, 5095}

Systems Operation

Hydraulic Tank and Filter
320B Excavator Hydraulic System

Reuse And Salvage Guidelines

Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}
Filtration Times for Caterpillar Machine Fluid Compartments{0680, 0738, 0768, 3080, 5050, 5056, 5095}

Contamination Control Guidelines

Procedure for Filtering <NOBR> 9U-5000</NOBR> Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}
Procedure for Filtering 9U-5000 Hydraulic Test Bench Hydraulic Oil {0680, 0738, 0768, 0784, 5050, 5056}

Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}
Filtration Procedure for Excavator Hydraulic Oil {0680, 0768, 5050, 5056}

Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}
Proper Oil Changing Procedures {1000, 1308, 1316, 1325, 1348, 3000, 3004, 3005, 3030, 3064, 3067, 3080, 3081, 4000, 4001, 4050, 4051, 5050, 5056, 5068, 5095}

Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}
Obtaining Oil Sample for Analysis {1302, 1348, 3030, 3080, 3278, 4011, 4070, 5050, 5056, 5095, 7542}

Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}
Basic Principles of Kidney Loop Filtering Hydraulic Fluid Systems {0680, 0768, 5050, 5056}

Disassembly and Assembly

Hydraulic Oil Tank
320B, 320B L,320B LN, 320B N, & 320B S EXCAVATORS MACHINE SY

Service Magazine

Change to the Procedure for the Release of System Hydraulic Pressure {5056, 5095}
2000/03/13

A New Hydraulic Oil Filter Element is Available for Extreme Dust Conditions {5068}
2000/11/20

The Oil Level Switch for the Engine Oil and for the Hydraulic Oil Is Improved {1302, 5056, 7422}
2002/11/11

Improved Sight Gauges for the Hydraulic Tank and for the Fuel Tank Have Increased Durability {1273, 5056, 7479}
2003/12/08

Single Element and Multiple Element Filter Heads are Available for Customized Systems {0738}
2004/03/29

An Enhanced Method for Determining the Pressure of the Fine Filtration System is Available {5068}
2004/07/12

A New Strainer Assembly For the Hydraulic Tank Is Now Available {5056, 5068}
2013/09/02

Welding On Fuel And Hydraulic Tanks {0353, 0679, 1273, 5056, 7000}
2005/12/19

Proper Identification of Ports on 5P-0306 Vacuum Transducer {0768, 5050, 5056}
2006/01/23

Portable Test and Fill Machine Designed for a Service Vehicle but Works Fast Enough for the Shop {0768}
2006/02/27

Spanner Wrench is Available for Ecology Drain Valves {1302, 1353, 1372, 5076, 5613}
2006/03/20

An Improved Oil Filter Group for the Case Drain Filter Is Available {5056, 5068, 5091}
2007/04/02

Caterpillar Parts SIS Catalog 320B :

118-3998 TANK & FILTER GP-HYDRAULIC

7Y-4800 SWIVEL GP

159-7841 SWIVEL GP

133-6688 SCREEN GP-HYDRAULIC

107-6996 SCREEN GP-HYDRAULIC

087-4782 ROTATING GP-PUMP

087-4781 ROTATING GP-PUMP

087-4780 ROTATING GP-PUMP

134-1595 TANK GP-HYDRAULIC

121-6228 TUBE GP-HYDRAULIC

128-7499 TUBE GP-HYDRAULIC

143-0307 VALVE AR

134-1067 VALVE AR-BOOM LOWERING CONTROL

134-1066 VALVE AR-CHECK & RELIEF

134-1072 VALVE AR-CHECK & RELIEF

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