324-4019 ENGINE AR-COMPLETE S/N JBC1-UP; HCW1-UP PART OF 260-7118 COOLING AR-HIGH AMBIENT TEMP AN ATTACHMENT 312D

Part No	Qty	Parts name
118-9881 Y	[1]	AIR CLEANER & MOUNTING GP
310-9499 Y	[1]	COMPRESSOR GP-REFRIGERANT
273-5349 Y	[1]	CONDENSER & MTG GP-REFRIGERANT
279-7727 Y	[1]	DRAIN GP-MUFFLER
		S/N HCW1-600; JBC1-1455
279-7783 Y	[1]	DRAIN GP-MUFFLER (PLUG)
		S/N HCW601-UP; JBC1456-UP
310-9560 Y	[1]	FILTER & MTG GP-ENGINE OIL
279-7726 Y	[1]	LINES GP-AIR (AIR CLEANER TO TURBOCHARGER)
265-3609 Y	[1]	LINES GP-AIR (AFTERCOOLER TO TURBOCHARGER)
279-7840 Y	[1]	MOUNTING GP-ELECTRONIC CONTROL
255-3035 Y	[1]	MOUNTING GP-ENGINE
305-7594 Y	[1]	RADIATOR & HYD OIL COOLER GP
Y		SEPARATE ILLUSTRATION

#SEBP49490115

305-4955: CAMSHAFT GP

CAMSHAFT GP

305-4955 CAMSHAFT GP
S/N JKH1-UP
PART OF 279-7814, 420-2179 ENGINE AR
ALSO AN ATTACHMENT

i02790536 SEBP4949

For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	305-4758	[1]	CAMSHAFT
2.	324-4060	[8]	TAPPET
3.	294-1716	[8]	PUSHROD
4.	094-4628	[1]	KEY
5.	5I-7650	[1]	PLATE
6.	6V-5215 M	[2]	BOLT (M8X1.25X16-MM)
	M		METRIC PART

#SEBP49490116

296-4786: COVER GP-VALVE MECHANISM

COVER GP-VALVE MECHANISM

296-4786 COVER GP-VALVE MECHANISM
S/N JKH1-UP
PART OF 279-7814, 420-2179 ENGINE AR
ALSO AN ATTACHMENT

i02710575 SEBP4949

2964786 COVER GP-VALVE MECHANISM Parts scheme

For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	305-4767	[1]	BASE-ROCKER ARM
2.	324-4228	[1]	COVER-ROCKER
3.	305-4768	[1]	GASKET
4.	296-4694	[1]	GASKET (VALVE COVER)
5.	324-4229	[1]	COVER
6.	294-1708	[1]	CAP (ENGINE OIL FILLER)
7.	296-4696	[1]	BRACKET
8.	294-1710	[6]	BOLT (M6X1X16.2-MM)
9.	294-1711	[12]	WASHER
10.	096-8569	[2]	BOLT (140-MM LG)
11.	294-1712	[1]	SEAL
12.	8T-4224	[7]	WASHER-HARD (8.8X16X2-MM THK)
13.	294-1713	[12]	BOLT (M8X1.25X38.3-MM)
14.	294-1700	[12]	BOLT (M8X1.25X108.3-MM)
15.	095-8799	[5]	BOLT (M8X1.25X30.5-MM)
16.	294-1821	[2]	BOLT (M8X1.25X35.5-MM)
17.	294-1714	[2]	STUD
18.	287-8359	[1]	PLATE-IDENTIFICATION (CAT C4.2 ACERT)

#SEBP49490117

296-4789: CRANKSHAFT GP

CRANKSHAFT GP

296-4789 CRANKSHAFT GP
S/N JKH1-UP
PART OF 279-7814, 420-2179 ENGINE AR
ALSO AN ATTACHMENT

i02710559 SEBP4949

For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	296-4710	[1]	CRANKSHAFT AS
1A.	294-1751	[1]	GEAR (31-TEETH)
1B.	130-7596	[1]	NUT
1C.	085-9513	[2]	PIN
1D.	094-4628	[2]	KEY
2.	233-1277	[1]	PLATE

#SEBP49490118

296-4699: CYLINDER BLOCK GP

CYLINDER BLOCK GP

296-4699 CYLINDER BLOCK GP
S/N JKH1-UP
PART OF 296-4787 CYLINDER BLOCK GP
ALSO AN ATTACHMENT

i02722971 SEBP4949

For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	4I-9664	[2]	PIN
5.	5I-8009	[1]	BUSHING
6.	5I-7528	[1]	BUSHING
7.	5I-7529	[1]	BUSHING
8.	3P-1896	[10]	PLUG-CUP
9.	094-7741 M	[10]	BOLT-BEARING CAP (M14X2X120-MM)
10.	095-2005	[2]	CAP
11.	096-3741	[7]	CAP
12.	294-1720	[2]	SEAL
13.	294-1722	[4]	JET
14.	5I-7525	[1]	PLUG
15.	5I-7505	[8]	PLUG
16.	294-1721	[1]	SHAFT
17.	5I-7724	[2]	PIN
18.	095-2039	[1]	WASHER-SPECIAL
19.	8T-4191 M	[1]	BOLT (M10X1.5X16-MM)
20.	099-4420	[2]	PIN
21.	296-4672	[6]	PIN
22.	139-7814	[4]	VALVE
23.	094-9424	[8]	GASKET
24.	551-1828	[4]	SLEEVE
	M		METRIC PART

#SEBP49490119

296-4787: CYLINDER BLOCK GP

CYLINDER BLOCK GP

296-4787 CYLINDER BLOCK GP
S/N JKH1-UP
PART OF 279-7814, 420-2179 ENGINE AR
ALSO AN ATTACHMENT

i02710574 SEBP4949

For full view, you need register

Parts for your 312D EXCAVATOR:

CATERPILLAR SIS

Pos.	Part No	Qty	Parts name
1.	324-4175	[1]	EYE
2.	294-1724	[1]	EYE
3.	5I-5181	[2]	BOLT
4.	099-4483 M	[2]	BOLT (M12X1.25X30-MM)
5.	096-2501	[4]	LOCKWASHER
6.	8T-4191 M	[1]	BOLT (M10X1.5X16-MM)
7.	095-2039	[1]	WASHER-SPECIAL
8.	5I-7654	[3]	PLATE (STANDARD)
	5I-7787 AB		PLATE (0.15-MM OS)
	5I-7788 AB		PLATE (0.3-MM OS)
	5I-7789 AB		PLATE (0.45-MM OS)
9.	5I-7588	[5]	SET-BEARING (STANDARD)
	5I-7784 AB		SET-BEARING (0.25-MM US)
	5I-7785 AB		SET-BEARING (0.5-MM US)
	5I-7786 AB		SET-BEARING (0.75-MM US)
10.	296-4699 Y	[1]	CYLINDER BLOCK GP (WITH BEARINGS)
	A		NOT PART OF THIS GROUP
	B		USE AS REQUIRED
	M		METRIC PART
	Y		SEPARATE ILLUSTRATION

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}
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}

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}

Operation and Maintenance Manual

Emissions Certification Film
312D and 313D Excavators

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}

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}

Service Letter-NACD

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS

PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS OR UPDATING SOFTWARE ON CERTAIN CATERPILLAR PRODUCTS
PRODUCT SUPPORT PROGRAM FOR INSTALLING PRODUCT LINK PL542 OR PL240B CELLULAR RADIO SYSTEMS OR UPDATING SOFTWARE ON CERTAIN CATERPILLAR PRODUCTS

PRODUCT SUPPORT PROGRAM FOR REPLACING PRODUCT LINK PL121 SATELLITE RADIOS ON CERTAIN EXCAVATORS, WHEELED EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES
PRODUCT SUPPORT PROGRAM FOR REPLACING PRODUCT LINK PL121 SATELLITE RADIOS ON CERTAIN EXCAVATORS, WHEELED EXCAVATORS, MATERIAL HANDLERS, AND FOREST MACHINES

Service Letter-Australia

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS

Service Letter-CFEL

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS

Service Letter-CSARL

Service Letter-Americas

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS

Technical Information Bulletin

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}

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}

Service Letter-China

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS

Service Letter-Asia

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS

Reuse And Salvage Guidelines

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}

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

Service Letter-APD

PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS
PRODUCT IMPROVEMENT PROGRAM FOR REPLACING THE ENGINE ON CERTAIN 311D, 312D, AND 315D EXCAVATORS

Testing and Adjusting

Engine Speed - Check
C4.2 and C6.4 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}

Troubleshooting

System Overview
C4.2 and C6.4 Engines for Caterpillar Built Machines

General Information
C4.2 and C6.4 Engines for Caterpillar Built Machines

Symptom Troubleshooting
C4.2 and C6.4 Engines for Caterpillar Built Machines

Acceleration Is Poor or Throttle Response Is Poor
C4.2 and C6.4 Engines for Caterpillar Built Machines

Engine Has Mechanical Noise (Knock)
C4.2 and C6.4 Engines for Caterpillar Built Machines

Engine Vibration Is Excessive
C4.2 and C6.4 Engines for Caterpillar Built Machines

Engine Speed Does Not Change
C4.2 and C6.4 Engines for Caterpillar Built Machines

Engine Cranks but Does Not Start
C4.2 and C6.4 Engines for Caterpillar Built Machines

Engine Does Not Crank
C4.2 and C6.4 Engines for Caterpillar Built Machines

Engine Misfires, Runs Rough or Is Unstable
C4.2 and C6.4 Engines for Caterpillar Built Machines

Engine Top Speed Is Not Obtained
C4.2 and C6.4 Engines for Caterpillar Built Machines

Component Location
C4.2 and C6.4 Engines for Caterpillar Built Machines

Welding Precaution
C4.2 and C6.4 Engines for Caterpillar Built Machines

Power Is Intermittently Low or Power Cutout Is Intermittent
C4.2 and C6.4 Engines for Caterpillar Built Machines

Engine Stalls at Low RPM
C4.2 and C6.4 Engines for Caterpillar Built Machines

Engine Overspeeds
C4.2 and C6.4 Engines for Caterpillar Built Machines

Disassembly and Assembly

System Pressure - Release
312D and 313D Excavators C4.2 Engine Supplement

Engine - Remove
312D and 313D Excavators C4.2 Engine Supplement

Engine - Install
312D and 313D Excavators C4.2 Engine Supplement

Service Magazine

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}
2013/04/17

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

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 312D :

324-4017 ENGINE AR-COMPLETE

279-7810 ENGINE AR-COMPLETE

279-7809 ENGINE AR-COMPLETE

279-7808 ENGINE AR-COMPLETE

279-7807 ENGINE AR-COMPLETE

279-7723 ENGINE AR-COMPLETE

420-2179 ENGINE AR

279-7849 ENGINE AR

324-4020 ENGINE AR-COMPLETE

324-4021 ENGINE AR-COMPLETE

420-2165 ENGINE AR-COMPLETE

279-7794 INSTALLATION AR-ENGINE

305-4955 CAMSHAFT GP

296-4786 COVER GP-VALVE MECHANISM

296-4789 CRANKSHAFT GP

296-4699 CYLINDER BLOCK GP