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Home›Engines›Caterpillar 3406E

Caterpillar 3406E Engine Engine

Part of the Caterpillar 3406E engine family — 2 variants share parts & fitment.

Engine specifications

Displacement14.6 L
Cylinders6
AspirationTurbocharged for ATAAC1
Rated speed2120 rpm
Oil capacity38.8 L
Gross power339 kW

Equipment powered by this engine

49
Caterpillar 324DCaterpillar 325DCaterpillar 5130Caterpillar 5130BCaterpillar 5230Caterpillar 5230BCaterpillar 776CCaterpillar 776CCaterpillar 776DCaterpillar 776DCaterpillar 777Caterpillar 777BCaterpillar 777CCaterpillar 777DCaterpillar 777D HAACaterpillar 777FCaterpillar 784BCaterpillar 784BCaterpillar 784CCaterpillar 784CCaterpillar 785Caterpillar 785BCaterpillar 785CCaterpillar 785C HAACaterpillar 785DCaterpillar 789Caterpillar 789BCaterpillar 789CCaterpillar 789DCaterpillar 789D XQCaterpillar 793BCaterpillar 793CCaterpillar 793C XQCaterpillar 793DCaterpillar 797Caterpillar 797BCaterpillar 854GCaterpillar 854KCaterpillar 990Caterpillar 992GCaterpillar 992KCaterpillar 993KCaterpillar 994Caterpillar 994DCaterpillar 994FCaterpillar 994HCaterpillar D11NCaterpillar D11RCaterpillar MT4400D AC

Troubleshooting

9

Fault codes

CodeMeaning
105-11Very High Intake Manifold Air Temperature
110-11Very High Coolant Temperature
111-11Very Low Coolant Level
84-00Vehicle Overspeed Warning
84-14Quick Stop Occurrence
190-00Engine Overspeed Warning
31110
100-11Very Low Oil Pressure
55Diagnostic Code 55

Fault codes and symptom→remedy steps extracted from this engine’s service/owner documentation; verify against the official manual before servicing.

Parts cataloged across the Caterpillar 3406E family

131
Part #DescriptionCategory
i01491325Air Compressor Filter - Clean/Replaceair_filter
i01492654Battery or Battery Cable - Disconnectbattery
i02153996Battery - Replacebattery
304-7755cat_regeneration_system
111-2369Maintenance Elementcoolant_filter
8T1589Maintenance Chargecoolant_filter
8T9190Refill Chargecoolant_filter
128-4124Kit without Conditionercoolant_kit
163-1128Kit with Liquidcoolant_kit
163-1129Kit with Elementcoolant_kit
1R-1712Advanced High Efficiency Filterfilter
1R-0750High Efficiency Fuel Filterfuel_filter
1R0749Fuel, Spin-Onfuel_filter
1R0751Fuel, Spin-Onfuel_filter
1282922CATWater Pump Gasket Set - 0.4 lbs/ 0.18 kgs, 5" Length, 27mm Width, 27mm Depth, 11 Application: 3400gasket
1425868CATCrankshaft Oil Seal Group Gasket - Rear, 3400, 0.7 lbs/ 0.31 kgs, 17mm Length, 5" Width, 17mm Depth; Flanged Face Sleevegasket
1539653CATCylinder Head Gasket - 3406E; ESN's: 1LW0001-00229; 2SW0001--0405; 5DS0001-00048; 6TS0001-20554; 5EK 0001-upgasket
1609874CATSingle Cylinder Liner Gasket Set - 3406/ 3412 0.1 lbs/ 0.04 kgsgasket
1669144CATHousing Gasket - Front, 3406Egasket
2161252CATSingle Cylinder Head Gasket Set - 3406/ 3406Egasket
2245122CATCylinder Head Gasket - 3406Egasket
2486744CATSingle Cylinder Head Gasket Set - 5.6 lbs/ 2.54 kgs, For Use On C-9 MFF; 3406E 1LW; 3406E 1mm, 3406E 2WS; 3406E 5DS; 3406E 6TSgasket
3406462MCBCATInframe Chassis Gasket Set - 3406E 5EKgasket
M-1252107Fuel System Setgasket
M-1282922Water Pump Mounting Gasketgasket
M-1415787Oil Cooler Setgasket
M-1429672Central & Lower Setgasket
M-1609874Gasket Set - Cylinder Liner Packinggasket
M-2088350Air Compressor Setgasket
M-2323679Rear Structure Setgasket
M-2410825Turbocharger Installation Setgasket
M-3639020Gasket Set - Central & Lowergasket
M-3639024Gasket Set - Rear Structuregasket
M-3648129Gasket Set - Rear Structuregasket
M-3648338Gasket Set - Front Structuregasket
M-3766577Front Structure Setgasket
M-4359418Gasket Set - Front Structuregasket
M-4620795Gasket Set - Oil Cooler & Linesgasket
M-4627233Gasket Set - Rear Structuregasket
M-4679007Gasket Set - Rear Structuregasket
M-4711663Gasket Set - Central & Lowergasket
M-4N1151Oil Pan Gasketgasket
M-4N1151-6Oil Pan Gasketgasket
M-5P5678-6Valve Cover Gasketgasket
M-5P5678-9Valve Cover Gasketgasket
MC1F7C2888CATInframe Overhaul Kit - 3406E 5EKgasket
MCB3406461Overhaul Gasket Setgasket
MCB3406462In-Chassis Gasket Setgasket
MCB3406463Cylinder Head Gasket Setgasket
MCB3406463CATCylinder Head Gasket Kit - 3406E 5EKgasket
MCB3406471Overhaul Gasket Setgasket
MCB3406472In-Chassis Gasket Setgasket
MCB3406473Cylinder Head Gasket Setgasket
MCB3406473CATCylinder Head Gasket Kit - 3406E LLW 2WS 5DS 6Tgasket
MCBC15993Cylinder Head Gasket Setgasket
R-10R0955Fuel Injector - Remaninjector
R-10R0956Fuel Injector - Remaninjector
R-10R1000Fuel Injector - Remaninjector
R-10R1273Fuel Injector - Remaninjector
R-10R2780Fuel Injector - Remaninjector
R-10R3261Fuel Injector - Remaninjector
R-10R3265Fuel Injector - Remaninjector
R-10R6163Fuel Injector - Remaninjector
R-10R8501Fuel Injector - Remaninjector
g00467451Illustration 1: Warning label for the electronic unit injector is typically located on the valve cover base.injector
g00467452Illustration 2: Electrical shock hazard. The electronic unit injector system uses 90-120 volts.injector
296-8325Cat® Crankcase Ventilation (CV) Filterocv_filter_cartridge
10R-9557Oil Filteroil_filter
1R-0713Oil Filter (Engine) (Alternative)oil_filter
1R0716oil_filter
1R1808Lubeoil_filter
101-2844Premixed (50/50)other_service
119-5152Coolant Extender**other_service
124-2946Lifting Bracketother_service
1343761CATPiston Ring - Top, 3406Eother_service
1765749CATPiston Ring - Intermediate, 3406Eother_service
1899771CATOil Control Piston Ring - Intermediate, 3406E/ C15other_service
9Y6054Connecting rodother_service
M-24855131 Regulator - 180ºCother_service
M-3327309Camshaftother_service
MRS3406E2CATRing Set - 3406Eother_service
g00104545Illustration 4other_service
g00704000Illustration 8other_service
g00704059Illustration 9other_service
g00704135Illustration 10other_service
i00909638General Hazard Information: Attach a “Do Not Operate” warning tag or a similar warning tag to the start switch or to the controls before the engine is serviced or before the engine is repaired.other_service
i00910470Engine Startingother_service
i00911989Before Starting Engineother_service
i01359666Crushing Prevention and Cutting Preventionother_service
i01372247Mounting and Dismountingother_service
i01372254Fire Prevention and Explosion Preventionother_service
i01480768Burn Preventionother_service
i01658146Important Safety Informationother_service
i01828962Safety Messagesother_service
i01914266Troubleshooting Sectionother_service
i02310010Operation and Maintenance Manual (SEBU7005-08)other_service
1354925CATNew Water Pump - 3406Epump
1615719CATNew Water Pump - fits 3406E & C15pump
DM-6I3890WATER PUMP 3406Epump
M-10525081 Fuel Priming Pumppump
M-1354925Water Pumppump
M-1375541Fuel Priming Pumppump
M-1614113Oil Pumppump
M-1615719Water Pumppump
M-3848611Pump - Transferpump
M-4N733Oil Pumppump
RW6012XM1DRMANReman Water Pump - 3406Epump
RW6014XM1DRMANReman Water Pump - Cat 3406E Straight Teethpump
1422329CATDrainback Seal - 3406Eseal
M-1425867Front Crankshaft Sealseal
M-1425868Rear Crankshaft Sealseal
M-16324786 6 Valve Stem Seal - Exhaustseal
M-2274239ORKInjector Sleeve O-Ring Kitseal
M-2287094Nose O-ringseal
M-2481394Injector O-Ring Kitseal
M-3S9643Regulator Sealseal
M-5S2106Fan Hub Sealseal
M-7F2122Fan Hub O-Ring Sealseal
M-1946722Sensor - Pressuresensor
M-1946724Sensor - Pressuresensor
M-1946725Sensor - Pressuresensor
M-2244536Sensor - Pressuresensor
M-2566453Sensor - Temperaturesensor
M-2644297Sensor - Temperaturesensor
M-2842728Sensor - Pressuresensor
M-2477133Regulator - 190°thermostat
M-4W4011Regulator - 170°thermostat
175-7546Oil Filter Cuttertool
1U-8760Chain Wrenchtool
9U-7227Injector Height Gaugetool
305-2389wire_brush

Parts cataloged across all variants of this engine family — verify the exact part fits your specific variant and serial number before ordering.

Also powers generators

This engine powers 2 generator set(s) on Facts About Generators — same parts apply.

Common questions

What equipment uses the Caterpillar 3406E engine?

The Caterpillar 3406E engine powers 49 machine(s), including Caterpillar 324D, Caterpillar 325D, Caterpillar 5130, Caterpillar 5130B, Caterpillar 5230.

What is the displacement of the Caterpillar 3406E?

The Caterpillar 3406E has a displacement of 14.6 liters.