4N8376 ENGINE ARRANGEMENT-PART 1 3204 ENGINE SERIAL NO. 10X1-UP. NOTE: WHEN ORDERING PARTS GIVE ENGINE ARRANGEMENT NUMBER AND SERIAL NUMBER 943

Part No	Qty	Parts name


		CENTRAL STRUCTURE

6N-2390 Y	[1]	CYLINDER BLOCK GROUP
6N-8288 Y	[1]	CRANKSHAFT GROUP
		-OR-
1W-0402 Y	[1]	CRANKSHAFT GROUP
		-OR-
1W-9768 Y	[1]	CRANKSHAFT GROUP
7N-9550 Y	[1]	CAMSHAFT GROUP
		-OR-
2W-0331 Y	[1]	CAMSHAFT GROUP
		-OR-
2W-0854 Y	[1]	CAMSHAFT GROUP
		-OR-
2W-1337 Y	[1]	CAMSHAFT GROUP
8N-4079 Y	[4]	CONNECTING ROD AND PISTON GROUP
		-OR-
2W-1040 Y	[4]	CONNECTING ROD & PISTON GROUP

		UPPER STRUCTURE

8N-6113 Y	[1]	CYLINDER HEAD GROUP
4N-0180 Y	[1]	LIFTING EYE GROUP
		-OR-
1W-5554 Y	[1]	LIFTING EYE GROUP
6N-2398 Y	[1]	VALVE MECHANISM GROUP
6N-2396 Y	[1]	VALVE MECHANISM COVER GROUP

		FRONT STRUCTURE

6N-7205 Y	[1]	AUXILIARY DRIVE PULLEY GROUP
7N-9956 Y	[1]	FRONT HOUSING GROUP
		-OR-
2W-1578 Y	[1]	FRONT HOUSING GROUP
		-OR-
2W-2835 Y	[1]	FRONT HOUSING GROUP
6N-7207 Y	[1]	WATER PUMP DRIVE GROUP
7N-0946 Y	[1]	SUPPORT GROUP

		REAR STRUCTURE

4N-6458 Y	[1]	FLYWHEEL HOUSING GROUP
4N-8063 Y	[1]	FLYWHEEL GROUP

		LOWER STRUCTURE

6N-3052 Y	[1]	OIL PAN GROUP
Y		SEPARATE ILLUSTRATION

#HEBP13120002

4N-8376: ENGINE AR

ENGINE AR

4N8376 ENGINE ARRANGEMENT-PART 2
3204 ENGINE SERIAL NO. 10X1-UP. NOTE: WHEN ORDERING PARTS GIVE ENGINE
ARRANGEMENT NUMBER AND SERIAL NUMBER

HEBP13120002 HEBP1312

For full view, you need register

Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Part No	Qty	Parts name


		LUBRICATION SYSTEM

6N-3053 Y	[1]	OIL PUMP GROUP
		-OR-
2W-2833 Y	[1]	OIL PUMP GROUP
8N-5930 Y	[1]	OIL FILTER GROUP
6N-3382 Y	[1]	BREATHER GROUP

		COOLING SYSTEM

4N-0660 Y	[1]	WATER PUMP GROUP
4N-0188 Y	[1]	WATER LINES GROUP
6N-9052 Y	[1]	ENGINE OIL COOLER GROUP
		-OR-
1W-1138 Y	[1]	ENGINE OIL COOLER GROUP

		INTAKE AND EXHAUST SYSTEM

6N-6085 Y	[1]	EXHAUST MANIFOLD GROUP

		FUEL SYSTEM AND GOVERNOR

4N-6117 Y	[1]	GOVERNOR AND FUEL INJECTION PUMP GROUP
8N-4251 Y	[1]	FUEL FILTER GROUP
8N-4915 Y	[1]	FUEL TRANSFER PUMP AND MOUNTING GROUP
7N-6345 Y	[1]	FUEL INJECTION LINES GROUP
		-OR-
1W-1135 Y	[1]	FUEL INJECTION LINES GROUP
8N-3493 Y	[1]	ACCESSORY DRIVE GROUP

		NOTE: REFER TO INDEX FOR PAGE LOCATION
		OF GASKET KITS
Y		SEPARATE ILLUSTRATION

#HEBP13120003

6N-2390: CYLINDER BLOCK GP

CYLINDER BLOCK GP

6N2390 CYLINDER BLOCK GROUP
ALSO PART OF 8N9190 SHORT BLOCK GROUP LISTED ON PAGE 10
7N4821 BLOCK PARTS ARE SHOWN ON PAGE 7

c231607 HEBP1312

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-4821 Y	[1]	BLOCK ASSEM.
			(Separate Illustration)
2.	4N-0996	[1]	COVER
3.	4N-0699	[1]	GASKET
4.	0S-1594	[2]	BOLT
	5M-2894	[2]	WASHER
5.	9S-4185 C	[1]	PLUG
	3K-0360 C	[1]	SEAL
	9N-6275 FA	[1]	CYLINDER-SLEEVE
	C		INDICATES CHANGE
	Y		SEPARATE ILLUSTRATION
	F		NOT SHOWN
	A		NOT PART OF THIS GROUP

#HEBP13120004

6N-9049: CYLINDER BLOCK GP

CYLINDER BLOCK GP

6N9049 CYLINDER BLOCK GROUP
PART OF 8N9191 SHORT CYLINDER BLOCK GROUP SHOWN ON PAGE 10A
7N4821 BLOCK PARTS ARE SHOWN ON PAGE 7
FIELD INSTALLATION

c231754 HEBP1312

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7N-4821 Y	[1]	BLOCK ASSEM.
			(Separate Illustration)
	Y		SEPARATE ILLUSTRATION

#HEBP13120005

7N-4821: CYLINDER BLOCK AS

CYLINDER BLOCK AS

7N4821 CYLINDER BLOCK ASSEMBLY
PART OF 6N2390 & 6N9049 CYLINDER BLOCK GROUPS SHOWN ON PAGES 6 & 6A

c231257 HEBP1312

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9L-8002	[2]	DOWEL
2.	1M-3735 C	[1]	DOWEL
3.	9L-8072 C	[2]	BEARING
4.	1A-2223	[1]	DOWEL
5.	4N-0098	[1]	SHAFT
6.	4N-0952	[2]	PLUG
7.	4B-4845	[1]	PLUG
8.	8S-4740	[10]	BOLT
9.	6N-8146	[5]	CAP
10.	5M-6214	[6]	PLUG
11.	7N-0817 C	[4]	ORIFICE
12.	3H-5552	[3]	PLUG
13.	3J-5390	[1]	PLUG
14.	4B-9782	[1]	BALL
15.	3F-0957 C	[2]	DOWEL
16.	1N-3418 C	[1]	BEARING
	9N-6275 CH	[4]	CYLINDER SLEEVE
	C		INDICATES CHANGE
	H		NOT SHOWN-NOT PART OF 7N4821 GROUP

#HEBP13120006

6N-8288: CRANKSHAFT GP

CRANKSHAFT GP

6N8288 CRANKSHAFT GROUP
SERIAL NO. 10X1 TO 10X1858 INCLUSIVE
ALSO PART OF 8N9190 SHORT BLOCK GROUP LISTED ON PAGE 10

c225884 HEBP1312

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	9L-7736	[1]	SEAL
2.	9N-5793	[3]	BEARING (main front)
3.	9N-5792	[2]	BEARING (main)
4.	7N-9342	[2]	PLATE
5.	9L-7735	[1]	SEAL
6.	6N-8291	[1]	CRANKSHAFT ASSEM.
			(Includes)
7.	9L-8336	[1]	SLEEVE
8.	7N-4525	[1]	GEAR (40 teeth)
	5H-2671	[1]	KEY

#HEBP13120007

1W-0402: CRANKSHAFT GP

CRANKSHAFT GP

1W0402 CRANKSHAFT GROUP
ENGINE SERIAL NO. 10X1859 TO 10X4888 INCLUSIVE
ALSO PART OF 8N9191 SHORT CYLINDER BLOCK GROUP SHOWN ON PAGE 10A

c180940 HEBP1312

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-0036 C	[1]	SEAL GROUP
			(Includes)
	9L-7736	[1]	SEAL
2.	9L-8336	[1]	SLEEVE
3.	1W-0311 C	[2]	BEARING (Intermediate)
4.	7N-9342	[2]	PLATE
5.	9L-7735	[1]	SEAL
6.	1W-0401	[1]	CRANKSHAFT ASSEM.
			(Includes)
7.	7N-4525	[1]	GEAR (40 teeth)
	5H-2671	[1]	KEY
8.	1W-0312 C	[3]	BEARING (main)
	C		INDICATES CHANGE

#HEBP13120008

1W-9768: CRANKSHAFT GP

CRANKSHAFT GP

1W9768 CRANKSHAFT GROUP
ENGINE SERIAL NO. 10X4889-UP

c306614 HEBP1312

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	1W-0036	[1]	SEAL GP-CRANKSHAFT
	9L-7736	[1]	SEAL-LIP TYPE
2.	9L-8336	[1]	SLEEVE-WEAR
3.	1W-0311	[2]	BEARING-MAIN
			(INTERMEDIATE)
4.	7N-9342	[2]	PLATE-THRUST
5.	9L-7735	[1]	SEAL-LIP TYPE
6.	1W-9771 R	[1]	CRANKSHAFT AS
7.	1W-9812	[1]	GEAR (40 TEETH)
	5H-2671	[1]	KEY-WOODRUFF
8.	1W-0312	[3]	BEARING-MAIN
	R		REMFG PART MAY BE AVAILABLE

#HEBP13120009

7N-9550: CAMSHAFT GROUP

CAMSHAFT GROUP

7N9550 CAMSHAFT GROUP
ENGINE SERIAL NO. 10X1 TO 10X3176 INCLUSIVE

c225885 HEBP1312

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Parts for your 943 TRACK LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8S-1491	[1]	LOCK
2.	0S-0509	[2]	BOLT
3.	7S-2204	[1]	WASHER
4.	7N-9549	[1]	CAMSHAFT ASSEM.
			(Includes)
5.	4N-5201	[1]	DOWEL

Information:

ENGINE ARRANGEMENT

ENGINE AR

Truck Engine News

Service Magazines, Engine News, and Truck Engine News Articles Moved from Dealer.cat.com to SISweb {0374, 1000, 7000}
2015/09/23

A New Visualization Service Procedure (VSP) is Now Used for Certain Publications {0374, 1000, 7000}
A New Visualization Service Procedure (VSP) is Now Used for Certain Publications {0374, 1000, 7000}

Changes to the Way Serial Numbers are Displayed in Truck Engine News {0374, 1000, 7000}
Changes to the Way Serial Numbers are Displayed in Truck Engine News {0374, 1000, 7000}

Engine News

Improved Registration Process for Retrofit Products {1000, 7000}
2011/04/15

Service Magazines, Engine News, and Truck Engine News Articles Moved from Dealer.cat.com to SISweb {0374, 1000, 7000}
2015/09/25

A New Visualization Service Procedure (VSP) is Now Used for Certain Publications {0374, 1000, 7000}
A New Visualization Service Procedure (VSP) is Now Used for Certain Publications {0374, 1000, 7000}

Changes to the Way Serial Numbers are Displayed in Engine News {0374, 1000, 7000}
Changes to the Way Serial Numbers are Displayed in Engine News {0374, 1000, 7000}

Procedure for Cleaning an Engine Lubrication System when Contaminated with Engine Coolant Containing Antifreeze {1000, 1348, 1395}
Procedure for Cleaning an Engine Lubrication System when Contaminated with Engine Coolant Containing Antifreeze {1000, 1348, 1395}

Special Instruction

Analyzing Cylinder Condition By Measuring Air Flow{0651, 1000}
Analyzing Cylinder Condition By Measuring Air Flow{0651, 1000}

Troubleshooting Engine Vibration In Vehicular Equipment{1000}
Troubleshooting Engine Vibration In Vehicular Equipment{1000}

Pressure Lubrication Procedure for Remanufactured Engines and Short Blocks{1000, 1200, 1020}
Pressure Lubrication Procedure for Remanufactured Engines and Short Blocks{1000, 1200, 1020}

Use of the 4C3502 Engine Repair Indicator Kit{0781, 1000}
Use of the 4C3502 Engine Repair Indicator Kit{0781, 1000}

Using The 5P6524 Engine Timing Indicator Group And 1P540 Flow Checking Tool Group{0782, 1000}
Using The 5P6524 Engine Timing Indicator Group And 1P540 Flow Checking Tool Group{0782, 1000}

Pressure Lubrication Procedure For Remanufactured Engines And Short Blocks{1000, 1201}
Pressure Lubrication Procedure For Remanufactured Engines And Short Blocks{1000, 1201}

Caterpillar DPF Installation and Operation Guide for Diesel Engines - California Only {1000, 1091}
Caterpillar DPF Installation and Operation Guide for Diesel Engines - California Only {1000, 1091}

Generation 3 DPFdm Diagnostic Module Installation Manual - California Only {1000, 1091, 7490}
Generation 3 DPFdm Diagnostic Module Installation Manual - California Only {1000, 1091, 7490}

Storage Procedure for Caterpillar Products {0355, 1000, 7000}
Storage Procedure for Caterpillar Products {0355, 1000, 7000}

Instructions to Register the Retrofit and Submit Service Reporting {1000, 3000, 7000, 7570}
Instructions to Register the Retrofit and Submit Service Reporting {1000, 3000, 7000, 7570}

Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}
Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}

Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}

Differences in Appearance of Cat <SUP>®</SUP> Reman Parts when Compared to New Parts {1000, 1250}
Differences in Appearance of Cat ^® Reman Parts when Compared to New Parts {1000, 1250}

Introduction to Visualization Service Procedure (VSP) {0374, 1000, 7000}
Introduction to Visualization Service Procedure (VSP) {0374, 1000, 7000}

Technical Information Bulletin

Remanufactured Water Pumps For 3204 And 3208 Engines
Remanufactured Water Pumps For 3204 And 3208 Engines

A Recommendation for Initial Parts Stock Quantities Will Now Be Included in Service Letters{1000, 7000, 7751, 7752}
A Recommendation for Initial Parts Stock Quantities Will Now Be Included in Service Letters{1000, 7000, 7751, 7752}

Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}
Piston Ring Gap Alignment Influence on High Blowby and Oil Consumption on All Engines {1000, 1215}

368-9910 Multi-Tool Group with the 368-9911 Burn Rate Group Accuracy Issue{0599, 0701, 0702, 0706, 1000, 7610, 7620}
368-9910 Multi-Tool Group with the 368-9911 Burn Rate Group Accuracy Issue{0599, 0701, 0702, 0706, 1000, 7610, 7620}

Specifications

Engine Design
943 & 953 TRACK-TYPE LOADERS

Tool Operating Manual

Using the Caterpillar Fuel Flow Monitor System{0782, 1000, 1250}
Using the Caterpillar Fuel Flow Monitor System{0782, 1000, 1250}

Using the 1U-8860 Large Engine Blowby Pickup Group and the 8T-2700 Blowby/Airflow Indicator{0781, 0785, 1000}
Using the 1U-8860 Large Engine Blowby Pickup Group and the 8T-2700 Blowby/Airflow Indicator{0781, 0785, 1000}

NEHS1111: 368-9910 Multi-Tool Group 3 {0599, 0701, 0702, 0706, 1000, 7610, 7620}
NEHS1111: 368-9910 Multi-Tool Group 3 {0599, 0701, 0702, 0706, 1000, 7610, 7620}

142-6893 Adjustable Lifting Bracket Group{0599, 0629, 0632, 0701, 0717, 1000, 4000, 7000}
142-6893 Adjustable Lifting Bracket Group{0599, 0629, 0632, 0701, 0717, 1000, 4000, 7000}

Reuse And Salvage Guidelines

Reuse and Testing of Fuel Injection Pump Housing {0374, 1000, 1250, 1300}
Reuse and Testing of Fuel Injection Pump Housing {0374, 1000, 1250, 1300}

Contamination Control of Rebuilt Engines by Using a Particle Counting Process Patent Pending{1000, 1300}
Contamination Control of Rebuilt Engines by Using a Particle Counting Process Patent Pending{1000, 1300}

HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}
HVOF Identification and Polishing (Superfinishing){0674, 0679, 1000, 7000, 7562}

Cleaning Components with Carbon Dioxide (CO<SUB>2</SUB>) {0680, 1000, 7000}
Cleaning Components with Carbon Dioxide (CO₂) {0680, 1000, 7000}

Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}
Guideline for Proper Gasket Handling and Installation {0599, 0648, 0681, 1000, 7555}

Reuse and Salvage Guidelines Subscriptions {0374, 0599, 1000, 7000}
Reuse and Salvage Guidelines Subscriptions {0374, 0599, 1000, 7000}

Scrap Barrel Analysis {0374, 0599, 0700, 0701, 0738, 1000, 7000}
Scrap Barrel Analysis {0374, 0599, 0700, 0701, 0738, 1000, 7000}

Fundamentals of Plasma Transferred Wire Arc (PTWA) Spray for Reconditioning Components {0374, 0599, 0679, 1000}
Fundamentals of Plasma Transferred Wire Arc (PTWA) Spray for Reconditioning Components {0374, 0599, 0679, 1000}

Contamination Control Guidelines

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}

Applied Failure Analysis

Failure Analysis Report - AFA Good Report {0374, 1000}
Failure Analysis Report - AFA Good Report {0374, 1000}

Reference Guide for a Proper Failure Analysis by CAT Dealer {0374, 1000}
Reference Guide for a Proper Failure Analysis by CAT Dealer {0374, 1000}

Product Evaluation Report - AFA Bad Report {0374, 1000}
Product Evaluation Report - AFA Bad Report {0374, 1000}

Technical Analysis

Technical Analysis (TA1) Visual Inspection for Track-Type Loaders {0372, 1000, 7000, 753S, 7565}
Technical Analysis (TA1) Visual Inspection for Track-Type Loaders {0372, 1000, 7000, 753S, 7565}

Disassembly and Assembly

In-Chassis Overhaul Procedure
3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS

Engine
3204 VEHICULAR ENGINE FOR 943 & 953 TRACK-TYPE LOADERS

Service Magazine

Engine Storage; Engine Start-Up After Storage{1000}
1982/02/22

Separate Valve Stem Gauges Available{0653,1000}
1982/06/07

Analyzing A Major Engine Failure{1000}
1982/07/19

Unusual Transmission Noises At Low Engine RPM{3208}
1982/08/23

Reference Chart for Engine Improvements{0374,1000}
1982/10/25

Reference Chart For Major Production Changes On 3204 Engines{0374,0375,1000}
1983/04/25

Improved Temperature Gauges Available For Transmission Oil And Engine Coolant {7453}
1984/01/16

New Engine Arrangements Use New Scroll Fuel System{1000}
1984/10/22

Additions To Reference Chart For Major Production Changes {0374,0375,1000}
1985/01/14

Remanufactured Short Block Available For 3204 Engines{1200,1000}
1986/03/10

New Index Lists Engine Special Instructions By SMCS Code{1000,0374}
1986/04/07

Improved 5P3000 Engine And Transmission Shipping Stand Assembly; Modification Available For Stands Already In Use{0640}
1977/04/25

Alternator/Generator Output Test On The Engine{1401,1404,1405,1406}
1987/05/04

The Caterpillar Fuel Flow Monitor System Available {0782,1000,1250}
1987/05/11

Microfiche For Replacement Engine Bills Of Material {0374,1000}
1987/10/26

Explanation Of Nomenclature Used In Engine Performance{1000,0374}
1978/05/15

Cranking Speeds Necessary To Start Diesel Engines{0374,1000,1450}
1979/09/24

A New Screen In The TMI System Provides The Status Of Emission Certification Of Engines {1000}
2001/01/08

Caterpillar's Position On The Use Of Biodiesel Fuel In Caterpillar Engines {1000}
2012/09/17

A List Of Contacts For Caterpillar Product Support Is Available {1000, 4450, 7000}
2002/03/25

Proper Long Term Storage of Caterpillar Products {0355, 1000, 7000}
2009/04/27

Changes To Caterpillar Incident Reporting Field Use Form And DSN Incident Report Entry Screens {1000, 7000}
2009/11/18

Redesigned Fluid Sampling Valves Are Now Available for All Cat Products {7542}
2011/02/11

Improved Registration Process for Retrofit Products {1000, 3000, 7000, 7570}
2011/02/17

TA2 (Technical Analysis) Inspections are Now Available on SIS {0372, 1000, 7000, 753T, 7565}
2013/01/10

Service Magazines, Engine News, and Truck Engine News Articles Moved from Dealer.cat.com to SISweb {0374, 1000, 7000}
2015/09/18

A New Visualization Service Procedure (VSP) is Now Used for Certain Publications {0374, 1000, 7000}
A New Visualization Service Procedure (VSP) is Now Used for Certain Publications {0374, 1000, 7000}

Military Electronic Technician (Military ET) Is Now Available For Military Personnel {0374, 0376, 0599, 1000, 7000, 7610, 7620}
Military Electronic Technician (Military ET) Is Now Available For Military Personnel {0374, 0376, 0599, 1000, 7000, 7610, 7620}

Process to Print Collage Schematics {0374, 1000, 7000}
Process to Print Collage Schematics {0374, 1000, 7000}

Changes to the Way Serial Numbers are Displayed on Service Magazines {0374, 1000, 7000}
Changes to the Way Serial Numbers are Displayed on Service Magazines {0374, 1000, 7000}

A New Process Is Available to Request Service Animations for Certain Service Information Procedures {1000, 7000}
A New Process Is Available to Request Service Animations for Certain Service Information Procedures {1000, 7000}

Caterpillar Parts SIS Catalog 943 :

4N-8376 ENGINE AR

6N-2390 CYLINDER BLOCK GP

6N-9049 CYLINDER BLOCK GP

7N-4821 CYLINDER BLOCK AS

6N-8288 CRANKSHAFT GP

1W-0402 CRANKSHAFT GP

1W-9768 CRANKSHAFT GP

7N-9550 CAMSHAFT GROUP

Truck sale:

Caterpillar 943, kettenlader, Bau-Und Bergbauausrüstung
- track loaders
CGT - COMPAGNIA GENERALE TRATTORI

17,730

Caterpillar 943, Construction
- track loaders
ZEPPELIN BAUMASCHINEN
Germany

17.823

Caterpillar 943, kettenlader, Bau-Und Bergbauausrüstung
- track loaders

18,302

Caterpillar 943, Construction
- track loaders

1,991

Caterpillar TH943D, Construction
- forks
FINNING CANADA – USED ATTACHMENTS
Canada