143-0040 CYLINDER HEAD AS S/N 99C9764-UP PART OF 143-0041, 143-3614 CYLINDER HEAD AS FIELD REPLACEMENT ORDER @@@@@143-0041@@@@@ 988B

BASIC ENGINE

CYLINDER HEAD GP

0. 143-0040 CYLINDER H
1. 143-0041 CYLINDER H
2. 143-3614 CYLINDER H
3. 107-7319 CYLINDER H
4. 107-7320 CYLINDER H

DAMPER GP

5. 1W-0998 DAMPER GP

DRIVE GP-AUXILIARY

6. 4P-7367 DRIVE GP-A

FLYWHEEL GP

7. 126-7287 FLYWHEEL G
8. 4P-3669 FLYWHEEL G

GEAR GP

9. 126-7281 GEAR GP-FR
0. INFORMATION

WHEEL LOADER 988B WHEEL LOADER 50W
3408E Engine Emissions Retrofit Repower Tier I For 988B And 988F Wheel Loader 50W00001-UP (MACHINE) SEBP5251 988B 50W (1976)

BASIC ENGINE

CYLINDER HEAD GP

143-0040 CYLINDER HEAD AS

143-0041 CYLINDER HEAD AS

143-3614 CYLINDER HEAD AS

107-7319 CYLINDER HEAD GP

107-7320 CYLINDER HEAD GP

124-4456 PLUG GP-CYLINDER HEAD

#SEBP52510020

143-0040: CYLINDER HEAD AS

CYLINDER HEAD AS

143-0040 CYLINDER HEAD AS
S/N 99C9764-UP
PART OF 143-0041, 143-3614 CYLINDER HEAD AS
FIELD REPLACEMENT ORDER @@@@@143-0041@@@@@

i00566895 SEBP5251

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	3B-0645	[6]	PLUG-CUP
2.	4N-5893	[8]	INSERT-VALVE SEAT (INLET)(STANDARD)
	7C-7602 AB		INSERT-VALVE SEAT (0.13-MM OS, INLET)
	7C-7603 AB		INSERT-VALVE SEAT (0.25-MM OS, INLET)
	7C-7604 AB		INSERT-VALVE SEAT (0.51-MM OS, INLET)
	7C-7605 AB		INSERT-VALVE SEAT (0.76-MM OS, INLET)
3.	1W-5283	[8]	INSERT-VALVE SEAT (EXHAUST)(STANDARD)
	7C-5353 AB		INSERT-VALVE SEAT (0.51-MM OS, EXHAUST)
	7C-5354 AB		INSERT-VALVE SEAT (0.76-MM OS, EXHAUST)
4.	3B-0623	[8]	PLUG-CUP
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED

#SEBP52510021

143-0041: CYLINDER HEAD AS

CYLINDER HEAD AS

143-0041 CYLINDER HEAD AS
S/N 99C9764-UP
FIELD REPLACEMENT FOR @@@@@143-0040@@@@@

i00566896 SEBP5251

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	143-0040 Y	[1]	CYLINDER HEAD AS
2.	173-7188	[16]	GUIDE-VALVE (STANDARD)
	7C-5306 AB		GUIDE-VALVE (0.51-MM OS)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	Y		SEPARATE ILLUSTRATION

#SEBP52510022

143-3614: CYLINDER HEAD AS

CYLINDER HEAD AS

143-3614 CYLINDER HEAD AS
S/N 99C9764-UP
PART OF 107-7320 CYLINDER HEAD GP

i00565968 SEBP5251

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	143-0040 Y	[1]	CYLINDER HEAD AS
2.	102-7494	[2]	DOWEL
3.	173-7188	[16]	GUIDE-VALVE (STANDARD)
	7C-5306 AB		GUIDE-VALVE (0.51-MM OS)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	Y		SEPARATE ILLUSTRATION

#SEBP52510023

107-7319: CYLINDER HEAD GP

CYLINDER HEAD GP

107-7319 CYLINDER HEAD GP
S/N 99C9764-UP

i00093522 SEBP5251

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	107-7320 Y	[2]	CYLINDER HEAD GP
2.	141-6605	[2]	MANIFOLD (HEUI FLUID)
3.	106-1792	[16]	STUD-TAPERLOCK (3/8-16X4-IN)
4.	1D-4541	[8]	BOLT (5/16-18X3-IN)
5.	5P-7684	[4]	PLUG
6.	108-5806	[4]	SEAL-O-RING
7.	8T-6764	[1]	PLUG-PIPE (1/8-27-THD)
8.	5M-2894	[6]	WASHER-HARD (10.2X18.5X2.5-MM THK)
9.	9S-8752	[18]	NUT-FULL (3/8-16-THD)
10.	110-1627	[2]	PLATE
11.	9S-8006	[2]	PLUG (7/8-14-THD)
12.	108-5803	[2]	SEAL-O-RING
13.	1N-5999	[1]	PLUG-O-RING
14.	033-6027	[2]	SEAL-O-RING
15.	167-1709 Y	[1]	SENSOR GP-PRESSURE (INJECTION ACTUATION OIL)
16.	7W-3447	[12]	SPACER (10.2X19.05X10.2-MM THK)
17.	194-6724 Y	[1]	SENSOR GP-PRESSURE (BOOST AIR)
18.	9X-0263	[1]	ADAPTER
19.	6V-5048	[1]	SEAL-O-RING
20.	9S-8004	[4]	PLUG (9/16-18-THD)
21.	6V-5049	[4]	SEAL-O-RING
22.	107-7322	[28]	FASTENER GP-CYLINDER HEAD
			(EACH INCLUDES)
	236-0486	[1]	BOLT-12 POINT HEAD (3/4-16X10-IN)
	5H-1504	[1]	WASHER-HARD (20X33.5X5-MM THK)
23.	061-8561	[8]	SEAL-O-RING
24.	6V-5266	[8]	SEAL-O-RING
25.	107-9570	[16]	SEAL-O-RING
26.	108-0219	[8]	SLEEVE
27.	283-5666	[2]	GASKET-CYLINDER HEAD
28.	2N-7174	[8]	GASKET
29.	359-1439	[32]	SEAL AS-WATER

	1U-8846 BF		SEALANT-GASKET
	B		USE AS REQUIRED
	F		NOT SHOWN
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP52510024

107-7320: CYLINDER HEAD GP

CYLINDER HEAD GP

107-7320 CYLINDER HEAD GP
S/N 99C9764-UP
PART OF 107-7319 CYLINDER HEAD GP

i00565635 SEBP5251

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	143-3614 YC	[1]	CYLINDER HEAD AS
2.	122-0322	[8]	VALVE-INLET
3.	2A-4429	[32]	LOCK-RETAINER
4.	137-6500	[16]	ROTOCOIL AS
			(EACH INCLUDES)
4A.	137-6501		SHIELD-OIL
	6N-7154	[1]	ROTOCOIL AS
5.	4N-5906	[16]	SPRING-VALVE
6.	122-0321	[8]	VALVE-EXHAUST
	C		CHANGE FROM PREVIOUS TYPE
	R		REMANUFACTURED PART MAY BE AVAILABLE
	Y		SEPARATE ILLUSTRATION

#SEBP52510025

1W-0998: DAMPER GP

DAMPER GP

1W-0998 DAMPER GP
S/N 99C9764-UP

i00093381 SEBP5251

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4N-2109	[1]	ADAPTER-DAMPER
2.	1A-3203	[6]	BOLT (5/8-18X4.75-IN)
	4D-3704	[6]	WASHER-HARD (17X30X5-MM THK)
3.	338-9808	[1]	DAMPER AS
	R		REMANUFACTURED PART MAY BE AVAILABLE

#SEBP52510026

4P-7367: DRIVE GP-AUXILIARY

DRIVE GP-AUXILIARY

4P-7367 DRIVE GP-AUXILIARY
S/N 99C9764-UP

i01670068 SEBP5251

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4P-7365	[1]	GEAR-AUXILIARY DRIVE (43 TEETH)
2.	6V-6768	[1]	RING-RETAINING
3.	5P-8286 C	[1]	SEAL-O-RING (129.77MM ID)
4.	6S-2905	[1]	BEARING-OUTER
5.	6V-5052 C	[1]	SEAL-O-RING (104.14MM ID)
6.	4P-7364	[1]	RING-RETAINING
7.	5S-2671	[3]	BOLT (10-24X0.5-IN)
8.	5M-7171	[1]	BEARING-SPECIAL RACE
9.	125-3652 C	[1]	ADAPTER-HYDRAULIC PUMP
10.	5M-7167	[1]	PLATE-INNER RACE
	C		CHANGE FROM PREVIOUS TYPE

#SEBP52510027

126-7287: FLYWHEEL GP

FLYWHEEL GP

126-7287 FLYWHEEL GP
S/N 99C9850-UP

i00166844 SEBP5251

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	7W-3499	[1]	FLYWHEEL AS
1A.	4N-2514	[1]	GEAR (113-TEETH)
2.	1A-3203	[12]	BOLT (5/8-18X4.75-IN)
3.	4D-3704	[12]	WASHER-HARD (17X30X5-MM THK)

#SEBP52510028

4P-3669: FLYWHEEL GP

FLYWHEEL GP

4P-3669 FLYWHEEL GP
S/N 99C9764-UP

i00167092 SEBP5251

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	505-0673	[1]	FLYWHEEL AS
	4N-2514	[1]	GEAR (113-TEETH)
2.	1A-3203	[12]	BOLT (5/8-18X4.75-IN)
3.	4D-3704	[12]	WASHER-HARD (17X30X5-MM THK)

#SEBP52510029

126-7281: GEAR GP-FRONT

GEAR GP-FRONT

126-7281 GEAR GP-FRONT
S/N 99C9764-UP

i00093598 SEBP5251

For full view, you need register

Parts for your 988B WHEEL LOADER:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	124-7609	[1]	GEAR-PUMP IDLER (86-TEETH)
2.	101-6713	[1]	PLATE-RETAINING
3.	5P-5855	[4]	BOLT-12 POINT HEAD (1/2-13X1.75-IN)
4.	112-9217	[1]	PLATE-THRUST
5.	2B-2695	[4]	BOLT (5/16-18X0.875-IN)
6.	271-5661	[1]	GEAR AS-IDLER (80, 43-TEETH)
	1B-8705	[1]	KEY-WOODRUFF
6A.	131-7123	[1]	BUSHING
7.	1B-8705	[1]	KEY-WOODRUFF
8.	117-9712	[1]	SHAFT-DRIVE IDLER
9.	3G-2292	[5]	BOLT-LOCKING (3/8-16X0.87-IN)
10.	7E-5661	[1]	GEAR-OIL PUMP DRIVE (69-TEETH)(ENGINE)
11.	0S-1571	[1]	BOLT (3/8-16X1.75-IN)
12.	1P-7346	[1]	WASHER-HARD (10.2X35X6-MM THK)
13.	7N-2443	[1]	WASHER-THRUST (2.508X3.5X0.188-IN THK)

Information:

BASIC ENGINE

CYLINDER HEAD GP

Engine News

A New Water Seal Assembly Is Now Used on All 3408, 3412, C27 and C32 Commercial Engines {1100, 7555}
2013/05/13

Special Instruction

Installation of 0R1160, 0R1161 and 0R1248 Remanufactured Cylinder Head Groups{1100}
Installation of 0R1160, 0R1161 and 0R1248 Remanufactured Cylinder Head Groups{1100}

3400 Cylinder Head To Block Joint Repair Procedure{1124}
3400 Cylinder Head To Block Joint Repair Procedure{1124}

Use Of The 5P7333 Tool Group For Bridge Dowel Repair{1101}
Use Of The 5P7333 Tool Group For Bridge Dowel Repair{1101}

Installation Of 7N9013 Gasket Service Group{1101, 1221}
Installation Of 7N9013 Gasket Service Group{1101, 1221}

Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}
Use Of The 1P7451 Valve Guide Honing Group{0673, 1104}

Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}
Installing Heli-Coil Inserts In Caterpillar Cylinder Heads{1117}

Use Of 6V4805 Valve Seat Insert Puller Group{0703}
Use Of 6V4805 Valve Seat Insert Puller Group{0703}

Installation Of 2W3815 Or 5N93 Inserts{1217}
Installation Of 2W3815 Or 5N93 Inserts{1217}

Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}
Repair Of Precombustion Chamber And Direct Injection Adapter Seating Surfaces{1101}

Use Of 6V9050 Exhaust Stud Removal Group{1100}
Use Of 6V9050 Exhaust Stud Removal Group{1100}

Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}
Determining the Cause of Fuel Dilution of Engine Oil {1101, 1124, 1251, 1280, 1290}

Service Letter-NACD

Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E, 623E, 627E, 631E, 637E, 651E, And 657E Wheel Tractors; 657E Scrapers; 768C And 772B Tractors; 769C And 773B Trucks; 824C And 834B Wheel Tractors; 825C Compactors; 826C Landfill Compactors; And 980C, 988B, And 992C Wheel Loaders
Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E, 623E, 627E, 631E, 637E, 651E, And 657E Wheel Tractors; 657E Scrapers; 768C And 772B Tractors; 769C And 773B Trucks; 824C And 834B Wheel Tractors; 825C Compactors; 826C Landfill Compactors; And 980C, 988B, And 992C Wheel Loaders

Service Letter-Australia

Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E 623E, 627E, 631E, 637E, 651E, And 657E Wheel Tractors; 657E Scrapers; 768C And 772B Tractors; 769C And 773B Trucks; 824C And 834C Wheel Tractors; 825C Compactors; 826C Landfill Compactors; And 980C, 988B, And 992C Wheel Loaders
Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E 623E, 627E, 631E, 637E, 651E, And 657E Wheel Tractors; 657E Scrapers; 768C And 772B Tractors; 769C And 773B Trucks; 824C And 834C Wheel Tractors; 825C Compactors; 826C Landfill Compactors; And 980C, 988B, And 992C Wheel Loaders

Service Letter-CFEL

Service Letter-CSARL

Service Letter-Americas

Technical Information Bulletin

Failures of the 4W-5733 Valve Adapter and the 4W-5719 Adapter As on Certain 3408 and 3412 Engines{1100}
Failures of the 4W-5733 Valve Adapter and the 4W-5719 Adapter As on Certain 3408 and 3412 Engines{1100}

Specifications

Valve Covers
3408 VEHICULAR ENGINE

Valves, Valve Springs And Valve Seat Inserts
3408 VEHICULAR ENGINE

Cylinder Heads
3408 VEHICULAR ENGINE

Cylinder Head
3408E and 3412E Engines for Caterpillar Built Machines

Cylinder Head Valves
3408E and 3412E Engines for Caterpillar Built Machines

Tool Operating Manual

Operating Instructions for 155-1536 Valve Recession Tool Kit for all G3500 and 3500 Engines{0374, 0599, 0701, 0703, 0759, 0767}
Operating Instructions for 155-1536 Valve Recession Tool Kit for all G3500 and 3500 Engines{0374, 0599, 0701, 0703, 0759, 0767}

Operating Instructions for 148-2997 Valve Recession Tool Group Used On 3600, G3600, and C175 Engines{0374, 0599, 0701, 0703, 0759}
Operating Instructions for 148-2997 Valve Recession Tool Group Used On 3600, G3600, and C175 Engines{0374, 0599, 0701, 0703, 0759}

185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}
185-5321 Cylinder Head Lifting Hook Assembly{0599, 0632, 0703, 1101, 6459}

188-3922 Broken Exhaust Bolt and Stud Removal Group for 3114, 3116, 3126, 3126B, 3176, 3176B, C-10, and C12 Engines{0374, 0599, 0701, 0702, 0703}
188-3922 Broken Exhaust Bolt and Stud Removal Group for 3114, 3116, 3126, 3126B, 3176, 3176B, C-10, and C12 Engines{0374, 0599, 0701, 0702, 0703}

CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}
CRB Valve Spring Testers 8S-2263 and 4C-9496{0374, 0599, 0700, 0701, 1108}

{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}
{0374, 0599, 0629, 0632, 0700, 0701, 1100, 1101}

M0088789: 550-9152 Gage Ring Assembly {0374, 0599, 0700, 0701, 0759, 1100, 1105}
M0088789: 550-9152 Gage Ring Assembly {0374, 0599, 0700, 0701, 0759, 1100, 1105}

Service Letter-China

Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E 623E, 627E, 631E, 637E, 651E, And 657E Wheel Tractors; 657E Scrapers; 768C And 772B Tractors; 769C And 773B Trucks; 824C And 834C Wheel Tractors; 825C Compactors; 826C Landfill Compactors; And 980C, 988B, And 992C Wheel Loaders
Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E 623E, 627E, 631E, 637E, 651E, And 657E Wheel Tractors; 657E Scrapers; 768C And 772B Tractors; 769C And 773B Trucks; 824C And 834C Wheel Tractors; 825C Compactors; 826C Landfill Compactors; And 980C, 988B, And 992C Wheel Loaders

Service Letter-Asia

Reuse And Salvage Guidelines

Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}

Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}
Reuse and Salvage for Cylinder Head Assemblies {1100, 1101, 1103, 1104, 1105, 1106, 1108, 1109, 1115, 1117, 1121, 1124, 1125}

Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}
Reuse & Salvage for Valvetrain Components {1102, 1108, 1109, 1121, 1123}

Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}
Using the 9U-5383 Vacuum Tester {0774, 0781, 1000, 1100}

Applied Failure Analysis

Engine Valve Failure Modes{1100, 1105}
Engine Valve Failure Modes{1100, 1105}

Information Release Memo

CAT REMAN ANNOUNCES ADDITIONAL CYLINDER HEAD RELEASES FOR MINING AND OTHER APPLICATIONS
CAT REMAN ANNOUNCES ADDITIONAL CYLINDER HEAD RELEASES FOR MINING AND OTHER APPLICATIONS

Service Letter-APD

Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E 623E, 627E, 631E, 637E, 651E, And 657E Wheel Tractors; 657E Scrapers; 768C And 772B Tractors; 769C And 773B Trucks; 824C And 834C Wheel Tractors; 825C Compactors; 826C Landfill Compactors; And 980C, 988B, And 992C Wheel Loaders
Product Support Program For Replacing Failed Cylinder Head Gaskets On Certain D8L, D8N, D9N, And D10N Tractors; 16G Motor Graders; D35HP, D40D, D400, And D400D Articulated Dump Trucks; 245, And 245B Excavators; 589 Pipelayers; 621E 623E, 627E, 631E, 637E, 651E, And 657E Wheel Tractors; 657E Scrapers; 768C And 772B Tractors; 769C And 773B Trucks; 824C And 834C Wheel Tractors; 825C Compactors; 826C Landfill Compactors; And 980C, 988B, And 992C Wheel Loaders

Testing and Adjusting

Engine Valve Lash - Inspect/Adjust
3408E and 3412E Engines for Caterpillar Built Machines

Cylinder Head - Inspect
3408E and 3412E Engines for Caterpillar Built Machines

Disassembly and Assembly

Direct Injection Adapters
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Valve Covers
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Valve Cover Bases
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Cylinder Heads
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Valves
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Valve Seat Inserts
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Valve Guides
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Bridge Dowels
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Direct Injection Adapters
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Valve Covers
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Valve Cover Bases (Later)
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Precombustion Chambers
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Cylinder Heads (Earlier)
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Cylinder Heads (Later)
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Valves
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Valve Seat Inserts
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Valve Guides
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Bridge Dowels
3408 VEHICULAR ENGINE FOR 988B WHEEL LOADER

Unit Injector Sleeve - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Unit Injector Sleeve - Install
3408E and 3412E Engines for Caterpillar Built Machines

Inlet and Exhaust Valves - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines

Inlet and Exhaust Valve Seat Inserts - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines

Inlet and Exhaust Valve Guides - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines

Rocker Arm and Shaft - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Rocker Arm and Shaft - Install
3408E and 3412E Engines for Caterpillar Built Machines

Camshaft Bearings - Remove and Install
3408E and 3412E Engines for Caterpillar Built Machines

Cylinder Head - Remove
3408E and 3412E Engines for Caterpillar Built Machines

Cylinder Head - Install
3408E and 3412E Engines for Caterpillar Built Machines

Service Magazine

New Fuel Nozzle Adapter Assembly Used{1106}
1982/02/15

Reconditioning of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary{1100}
1982/03/08

Vacuum Tester Checks For Leaks Between Valve Face and Seat{0651,1103,1105}
1982/09/06

New Head Gasket Improves Seal Between Block And Liner Flange{1101,1201}
1982/09/27

Fuel In The Cooling System Or Coolant In The Engine Oil Can Result From Cracked Fuel Nozzle Adapter{1106}
1982/10/18

New 6V7059 Micrometer Measures Liner Top Flange And Valve Lip {0653,1216,1105}
1982/11/29

Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads{1201,1101,1103,1105}
1982/12/20

Engine Valve Stem "Use Again" Specifications{0653,1105}
1983/02/28

New Fuel Nozzle Adapters Used{1106}
1983/05/09

New Liner Seat Insert Available{1217}
1983/08/15

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1983/10/17

New Adapter Assemblies And Clamps Used To Hold Fuel Nozzles In Position{1106,1252}
1984/02/27

Dimensions For Reconditioning Cylinder Blocks, Cylinder Heads{1201,1101,1103,1105}
1984/04/23

Surface Grinding Of Compacted Graphite Iron Cylinder Heads{1101}
1984/07/02

New Inlet Valve Used{1105}
1984/09/03

New High Alloy Material Is Used In Cylinder Head Assemblies{1101}
1984/10/15

Remanufactured Cylinder Head Groups{1100,1101,7554}
1984/11/19

Valve Lash Adjustment Not A Warranty Item {1102,1105}
1985/01/14

Changes To Fuel Systems{1250,1251,1252,1253,1254,1100}
1985/03/25

New Cylinder Heads And Fuel Nozzle Adapters Used{1101,1106}
1985/07/01

Use Care When Handling Water Seals For Cylinder Head Spacer Plates{1115}
1985/07/15

Determining The Cause Of Glow Plug Tip Failures{1053,1105,1412}
1986/06/02

Valve Lash Adjustment Interval Is Changed {1105}
1986/07/07

Indications Of Engine Overspeeding When Only One Cam Lobe/Lifter Has Failed{1000,1100,1200}
1986/09/08

Improved Exhaust Valve Now Available{1105}
1977/02/28

Correct Installation Of Valve Lifters On The Camshaft Is Very Important To Prevent Failures{1209}
1977/05/16

Clean Bolt Holes In Cylinder Block Before Cylinder Heads Are Installed{1101,1201}
1977/08/08

Tools Now Available To Ream And/Or Hone 0.500" (12.70 mm) Diameter Valve Guides{0663}
1977/08/22

Salvage Of Cylinder Heads By Using Oversized Valve Guides And Valve Inserts {1104,1103}
1987/03/30

Silicone Rubber Water Seals Available{1100}
1987/07/06

Tolerance Added To Valve Clearance Specifications{1105,0374}
1978/01/16

Valve Damage Can Be Caused By Short Intervals Of Engine Operation In Very Cold Temperatures{1105,1208}
1978/01/30

Use Again Specifications For Valve Springs Are Changed{1108}
1978/03/06

A Gasket Group Is Available To Give Improved Sealing For The Oil Supply To The Rocker Arms On Early Engines{1101,1102,1221}
1978/04/03

Head Bolt Holes In Cylinder Blocks Can Be Repaired{1201,1101}
1988/10/24

A New Method To Clean And Polish Engine Valve Stems{0674,1105}
1979/05/28

Why Engines Are Damaged By Fuel Sulfur{1104,1216,1280,1318,1215}
1979/08/27

Fuel Sulfur-Your Diesel's Silent Enemy{0375,1280}
1979/12/17

Improved Head Gasket Used; Service Tips {1124,1216,1221,7568}
1990/02/26

Reconditioning Of Bridge Wear Seat Is Permitted; Will Prevent Bridge Replacement When Not Necessary{1121}
1990/04/30

New Exhaust Valves Are Used In Caterpillar Remanufactured Cylinder Heads{1105,1101}
1990/10/08

Cylinder Head Gaskets Improved To Provide Better Fire Ring Retention{1124}
1994/02/07

Identification Of Intake And Exhaust Valves That May Be Used In Remanufactured Direct Injected 3400 Cylinder Heads{1105}
1994/04/04

New Intake And Exhaust Valves Used{1105,1100}
1994/06/20

New Rocker Arm Adjustment Screw Used To Adjust Valve Clearance{1123,1100}
1994/06/20

New Cylinder Head Gasket, Spacer Plate And Head Bolts Used; New Cylinder Liner Projection Measurement Method; New Cylinder Head Torque Sequence; Improved Coolant Flow (Cylinder Heads) {1124,1221,1216,1101}
1994/07/04

Remanufactured 3400 Cylinder Heads Now Use Intake And Exhaust Valves With Chrome Plated Valve Stems{1105}
1994/09/05

New Water Seals Used In Cylinder Head Assemblies{1124}
1994/09/05

New Inlet And Exhaust Valves Have Thinner Heads{1105}
1995/02/20

New And Reconditioned Valve Projection Specifications{1105}
1995/08/28

Be Sure To Use The Correct Inlet And Exhaust Valves In Engines Equipped With Valve Bridges That Do Not Ride On Dowels {1105,1121}
1998/02/16

Caterpillar Warranty Claims on Cylinder Head Valves {1105}
2005/10/03

Use the Correct Remanufactured Cylinder Heads and Valves {1101, 1105}
2006/03/13

Improved Cylinder Head Assemblies Are Available through Cat Reman for Certain Machine Engines {1100}
2012/05/08

A New Water Seal Assembly Is Now Used on All 3408 and 3412 Engines {1100, 7555}
2013/05/10

Caterpillar Parts SIS Catalog 988B :

109-9009 CYLINDER BLOCK GP

122-2245 CYLINDER BLOCK AS

110-3779 CYLINDER BLOCK AS

1W-5010 CRANKSHAFT GP

1W-5009 CRANKSHAFT AS

109-9004 COVER GP-VALVE MECHANISM

127-8942 COVER GP-OIL PAN

126-7284 COVER GP-OIL PAN

143-0041 CYLINDER HEAD AS

143-3614 CYLINDER HEAD AS

107-7319 CYLINDER HEAD GP

107-7320 CYLINDER HEAD GP

1W-0998 DAMPER GP

4P-7367 DRIVE GP-AUXILIARY

126-7287 FLYWHEEL GP

4P-3669 FLYWHEEL GP

Truck sale:

Caterpillar 988B
- Wheel Loaders
N C MACHINERY CO.

47,951

Caterpillar 988B, Wheel Loaders, Construction
- Wheel loaders
TOROMONT CAT

Caterpillar 988B, Wheel Loaders, Construction
- Wheel loaders
CGT - COMPAGNIA GENERALE TRATTORI

63,246

Caterpillar 988B, Wheel Loaders, Construction
- Wheel loaders

Caterpillar 988B, Wheel Loaders, Construction
- Wheel Loaders
CGT - COMPAGNIA GENERALE TRATTORI
Italy