1189878 ENGINE AR (PART 1 OF 2) 312B EXCAVATOR

Part No	Qty	Parts name
5I-8129	[1]	PAN GP (OIL)
5I-7804	[1]	CAMSHAFT GP
5I-8130	[1]	CRANKSHAFT GP
5I-8141	[1]	CYLINDER BLOCK GP
5I-7800	[1]	CYLINDER HEAD GP
5I-7801	[1]	VALVE MECHANISM GP
5I-7802	[1]	COVER GP (VALVE MECHANISM)
5I-7762	[1]	FLYWHEEL GP
125-2953	[1]	HOUSING GP (FLYWHEEL)
5I-7763	[1]	GEAR GP (FRONT)
5I-7806	[1]	HOUSING GP (FRONT)
5I-7808	[1]	PISTON AND ROD GP
5I-8138	[1]	MOUNTING GP (ALTERNATOR)
5I-8133	[1]	FILTER GP (ENGINE OIL)
5I-7815	[1]	LINES GP (ENGINE OIL)
5I-7803	[1]	BREATHER GP
5I-7924	[1]	LINES GP (TURBOCHARGER OIL)

#XEBP76650002

118-9878: ENGINE AR

ENGINE AR

1189878 ENGINE AR (PART 2 OF 2)

XEBP76650002 XEBP7665

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Parts for your 312B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
5I-7819	[1]	PUMP GP (WATER)
5I-8134	[1]	LINES GP (WATER)
5I-8132	[1]	COOLER GP (ENGINE OIL)
5I-8135	[1]	FAN GP (SUCTION)
5I-7810	[1]	MANIFOLD GP (INLET)
5I-7921	[1]	LINES GP (AIR)
5I-7920	[1]	MANIFOLD GP (EXHAUST)
5I-8122	[1]	TURBOCHARGER GP
5I-7922	[1]	MUFFLER GP
5I-8143	[1]	PUMP GP (FUEL INJECTION)
5I-7954	[1]	FILTER GP (FUEL)
5I-8142	[1]	LINES GP (FUEL)
5I-7706	[4]	NOZZLE GP (UNIT INJECTOR)
125-2963	[1]	MOUNTING GP (STARTING MOTOR)
125-2988	[1]	STARTING MOTOR GP (ELECTRIC)
5I-8085	[1]	ALTERNATOR GP (CHARGING)

#XEBP76650003

154-0626: ENGINE AR

ENGINE AR

1540626 ENGINE AR (PART 1 OF 2)

XEBP76650003 XEBP7665

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Parts for your 312B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
5I-8129	[1]	PAN GP (OIL)
5I-7804	[1]	CAMSHAFT GP
5I-8130	[1]	CRANKSHAFT GP
5I-8141	[1]	CYLINDER BLOCK GP
5I-7800	[1]	CYLINDER HEAD GP
5I-7801	[1]	VALVE MECHANISM GP
5I-7802	[1]	COVER GP (VALVE MECHANISM)
5I-7762	[1]	FLYWHEEL GP
125-2953	[1]	HOUSING GP (FLYWHEEL)
5I-7763	[1]	GEAR GP (FRONT)
5I-7806	[1]	HOUSING GP (FRONT)
5I-7808	[1]	PISTON AND ROD GP
5I-8138	[1]	MOUNTING GP (ALTERNATOR)
5I-8133	[1]	FILTER GP (ENGINE OIL)
5I-7815	[1]	LINES GP (ENGINE OIL)
5I-7803	[1]	BREATHER GP
5I-7924	[1]	LINES GP (TURBOCHARGER OIL)

#XEBP76650004

154-0626: ENGINE AR

ENGINE AR

1189878 ENGINE AR (PART 2 OF 2)

XEBP76650004 XEBP7665

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Parts for your 312B EXCAVATOR:

CATERPILLAR SIS

Part No	Qty	Parts name
5I-7819	[1]	PUMP GP (WATER)
5I-8134	[1]	LINES GP (WATER)
5I-8132	[1]	COOLER GP (ENGINE OIL)
5I-8135	[1]	FAN GP (SUCTION)
5I-7810	[1]	MANIFOLD GP (INLET)
5I-7921	[1]	LINES GP (AIR)
5I-7920	[1]	MANIFOLD GP (EXHAUST)
5I-8122	[1]	TURBOCHARGER GP
5I-7922	[1]	MUFFLER GP
185-9112	[1]	PUMP GP (FUEL INJECTION)
5I-7954	[1]	FILTER GP (FUEL)
5I-8142	[1]	LINES GP (FUEL)
5I-7706	[4]	NOZZLE GP (UNIT INJECTOR)
125-2963	[1]	MOUNTING GP (STARTING MOTOR)
125-2988	[1]	STARTING MOTOR GP (ELECTRIC)
5I-8085	[1]	ALTERNATOR GP (CHARGING)

#XEBP76650005

5I-7800: CYLINDER HEAD GP

CYLINDER HEAD GP

5I7800 CYLINDER HEAD GP
PART OF 1189878-Page 12, 1540626-Page 13.01

h71745e XEBP7665

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Parts for your 312B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	185-8991	[1]	HEAD AS
2.	099-4388	[4]	CAP
3.	5I-7505	[4]	PLUG
4.	183-8172	[4]	GUIDE (INTAKE)
5.	183-8173	[4]	GUIDE (EXHAUST)
6.	5I-4915	[16]	CAP
7.	5I-8012	[4]	INSERT (EXHAUST)
8.	5I-8011	[4]	INSERT (INTAKE)
9.	095-2038	[1]	WASHER
10.	5I-5591	[1]	PLUG
11.	5I-4916	[1]	PLUG
12.	5I-7583	[5]	CAP
13.	5I-7835	[1]	GASKET
14.	5I-7718	[17]	BOLT (L=125mm)

#XEBP76650006

5I-7801: VALVE MECHANISM GP

VALVE MECHANISM GP

5I7801 VALVE MECHANISM GP
PART OF 1189878-Page 12, 1540626-Page 13.01

h52262e XEBP7665

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Parts for your 312B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5I-4921	[1]	BOLT
2.	5I-7720	[1]	PIPE
3.	5I-7622	[2]	RING
4.	2W-6047	[2]	WASHER
5.	5I-7590	[8]	ROCKER AS
6.	5I-7631	[1]	BUSHING
7.	094-9525	[1]	SCREW
8.	091-3474	[1]	NUT
9.	5I-7722	[4]	BRACKET
10.	095-8638	[8]	WASHER-SPRING
11.	5I-5010	[4]	BOLT
12.	8T-4189	[4]	BOLT (L=20mm)
13.	5I-7721	[3]	SPRING
14.	5I-7883	[1]	SHAFT AS
15.	094-4696	[1]	PLUG
16.	5I-7630	[8]	CAP
17.	5I-7719	[16]	COTTER (AVAILABLE IN SET WITH PAIR)
18.	5I-7625	[8]	RETAINER
19.	5I-7624	[8]	SEAL
20.	5I-7740	[8]	SPRING
21.	5I-7739	[4]	VALVE (EXHAUST)
22.	5I-7738	[4]	VALVE (INTAKE)

#XEBP76650007

5I-8141: CYLINDER BLOCK GP

CYLINDER BLOCK GP

5I8141 CYLINDER BLOCK GP
PART OF 1189878-Page 12, 1540626-Page 13.01

h52664e XEBP7665

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Parts for your 312B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	5I-8147	[1]	CRANKCASE AS
2.	095-2005	[2]	CAP
3.	3P-1896	[5]	CAP
4.	096-3741	[5]	CAP
5.	5I-7528	[1]	BUSHING
6.	5I-7523	[4]	SLEEVE
7.	5I-7525	[1]	PLUG
8.	5I-7529	[1]	BUSHING
9.	095-2039	[1]	WASHER
10.	8T-4191	[1]	BOLT (L=16mm)
11.	099-4420	[2]	PIN
12.	5I-7505	[5]	PLUG
13.	5I-7724	[2]	PIN
14.	5I-8009	[1]	BUSHING
15.	5I-7524	[2]	SEAL
16.	5I-7839	[1]	CAP SET-BEARING(UN-FINISHED PARTS)
17.	094-7115	[10]	BOLT
18.	6V-8236	[6]	PIN
19.	095-2011	[1]	CAP
20.	5I-7526	[4]	VALVE
21.	5I-7672	[1]	SHAFT AS
22.	095-0879	[1]	PIN
23.	5I-7588	[5]	BEARING SET (STD)
	5I-7784 A	[5]	BEARING SET (0.25mm U.S.)
	5I-7785 A	[5]	BEARING SET (0.50mm U.S.)
	5I-7786 A	[5]	BEARING SET (0.75mm U.S.)
24.	5I-7654	[3]	PLATE(STD)
	5I-7787 A	[3]	PLATE (0.15mm O.S.)
	5I-7788 A	[3]	PLATE (0.30mm O.S.)
	5I-7789 A	[3]	PLATE (0.45mm O.S.)
25.	5I-8005	[1]	SWITCH
26.	5I-7636	[1]	EYE
27.	5I-7603	[1]	EYE
28.	8T-4179	[3]	BOLT (L=20mm)
29.	096-2501	[3]	WASHER
30.	5I-7978	[1]	SHEET
31.	4D-7794	[1]	CLIP
32.	7X-2536	[1]	BOLT (L=14mm)
33.	095-8638	[1]	WASHER
	A		NOT PART OF THIS GROUP

#XEBP76650008

5I-7802: COVER GP

COVER GP

5I7802 COVER GP-VALVE MECHANISM
PART OF 1189878-Page 12, 1540626-Page 13.01

h52264e XEBP7665

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Parts for your 312B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	8T-4186	[4]	BOLT (L=40mm)
2.	5I-7904	[1]	COVER
3.	5I-7905	[1]	GASKET
4.	4P-6445	[1]	PLATE-CAUTION
5.	4P-6422	[1]	FILM

#XEBP76650009

5I-8130: CRANKSHAFT GP

CRANKSHAFT GP

5I8130 CRANKSHAFT GP
PART OF 1189878-Page 12, 1540626-Page 13.01

h60735e XEBP7665

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Parts for your 312B EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	135-2419	[1]	CRANKSHAFT GP
2.	130-7596	[1]	NUT
3.	085-9513	[2]	PIN
4.	094-4628	[2]	KEY
5.	5I-7674	[1]	GEAR (Z=23)
6.	125-2969	[1]	PULLEY AS
7.	5I-7540	[1]	SLEEVE
8.	5I-7541	[1]	PLATE

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}
2015/09/18

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}

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

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}

Recommended Storage Procedures For Hydraulic Excavators {0355, 1000, 1250, 7000}
Recommended Storage Procedures For Hydraulic Excavators {0355, 1000, 1250, 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

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
3064 and 3066 Engines for Caterpillar Built Machines

Tool Operating Manual

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}

Systems Operation

General Information
3064 and 3066 Engines for Caterpillar Built Machines

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}

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}

Information Release Memo

REMAN ENGINES DESIGNATED AND LABELED AS REPLACEMENT ENGINES
REMAN ENGINES DESIGNATED AND LABELED AS REPLACEMENT ENGINES

DISCONTINUATION OF REMAN 3044 / 3046 / 3064 / 3066 MHI ENGINES
DISCONTINUATION OF REMAN 3044 / 3046 / 3064 / 3066 MHI ENGINES

Testing and Adjusting

Troubleshooting
3064 and 3066 Engines for Caterpillar Built Machines

Engine Speed - Check
3064 and 3066 Engines for Caterpillar Built Machines

Technical Analysis

Technical Analysis 1 (TA1) Visual Inspection for Excavator {0372, 1000, 7000, 753T, 7565}
Technical Analysis 1 (TA1) Visual Inspection for Excavator {0372, 1000, 7000, 753T, 7565}

Disassembly and Assembly

Introduction
SUPPLEMENT FOR 311B, 312B & 312B L EXCAVATORS - 3064 ENGINE

Engine
SUPPLEMENT FOR 311B, 312B & 312B L EXCAVATORS - 3064 ENGINE

Engine & Main Hydraulic Pump Separation & Connection
SUPPLEMENT FOR 311B, 312B & 312B L EXCAVATORS - 3064 ENGINE

Service Magazine

A New Screen In The TMI System Provides The Status Of Emission Certification Of Engines {1000}
2000/12/25

Caterpillar's Position On The Use Of Biodiesel Fuel In Caterpillar Engines {1000}
2012/08/28

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

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 312B :

118-9878 ENGINE AR

154-0626 ENGINE AR

5I-7800 CYLINDER HEAD GP

5I-7801 VALVE MECHANISM GP

5I-8141 CYLINDER BLOCK GP

5I-7802 COVER GP

5I-8130 CRANKSHAFT GP

Truck sale:

Caterpillar 312B
- Crawler Excavators
N C MACHINERY CO.

Caterpillar 312B, Raupenbagger, Bau-Und Bergbauausrüstung

1,847

Caterpillar 312B, Quick Connectors, Construction

1.962

Caterpillar 312B, Schnellwechsler, Bau-Und Bergbauausrüstung
- Quick Connectors
FINNING CANADA – USED ATTACHMENTS
Canada

Caterpillar 312B, Construction
- Crawler Excavators
BERGERAT MONNOYEUR S.A.S.
Belgium