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Home›Caterpillar›Caterpillar 3406E

Caterpillar 3406E Generator Set

The Caterpillar 3406E is a 448 kW (600 kVA) prime generator set powered by a Caterpillar 3406E engine. It is available at 24 V. It holds about 38.8 L (10.2 gal) of oil and 43.7 L (11.5 gal) of coolant, with a maximum ambient rating of 50 °C. The set measures 1822.7×953.6×1177.8 mm (71.8×37.5×46.4 in) and weighs about 1586 kg (3497 lb).

14.6 L
Displacement
38.8 L
Oil capacity
4
Document types

How to read your Caterpillar serial & model number →

Specifications

Prime power448 kW
Oil capacity38.8 L
Voltage options24 V
Circuit breaker15 A
Coolant capacity43.7 L
Max ambient50 °C
Dimensions (L×W×H)1822×953×1177 mm
Dry weight1586 kg

Engine

Caterpillar 3406E
Oil capacity38.8 L
Coolant capacity20.8 L
Displacement14.6 L
AspirationTurbocharged for ATAAC1
Rated speed2120 rpm

Filters & service parts

model family
ItemSpecCapacityPart #Interval
Air filter— find
Fuel filter— find
Oil filter— find
Belt— find
Coolant—
Coolant filter— find
Hydraulic filter— find
Oil—

Compiled from this model's family documentation — may include parts for closely-related variants. Confirm the exact part for your serial number.

Common questions

What engine does the Caterpillar 3406E use?

The Caterpillar 3406E is powered by the Caterpillar 3406E engine.

What is the oil capacity of the Caterpillar 3406E?

The Caterpillar 3406E engine in the Caterpillar 3406E has an oil capacity of 38.8 liters.

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 model’s service/owner documentation; verify against the official manual before servicing.

Parts

159
Part #DescriptionQtySystem
10R-9557Oil Filter1Oil filter PartsGeek
111-2369SCA Spin-on Element for 31-49L cooling system capacityCoolant filter Amazon eBay $26.35 PartsGeek
128-4124Coolant kit PartsGeek
128-7889Bridge Puller2Tool PartsGeek
1282922CATWater Pump Gasket Set - 0.4 lbs/ 0.18 kgs, 5" Length, 27mm Width, 27mm Depth, 11 Application: 34001Gasket PartsGeek
1354925CATNew Water Pump - 3406E1Pump PartsGeek
1422329CATDrainback Seal - 3406E1Seal PartsGeek
1425868CATCrankshaft Oil Seal Group Gasket - Rear, 3400, 0.7 lbs/ 0.31 kgs, 17mm Length, 5" Width, 17mm Depth; Flanged Face Sleeve1Gasket PartsGeek
1539653CATCylinder Head Gasket - 3406E; ESN's: 1LW0001-00229; 2SW0001--0405; 5DS0001-00048; 6TS0001-20554; 5EK 0001-up1Gasket PartsGeek
157-4829Cable Adapter(9 Pin J1939 Dash)1Cable adapter 9 pin j1939 dash PartsGeek
1609874CATSingle Cylinder Liner Gasket Set - 3406/ 3412 0.1 lbs/ 0.04 kgs1Gasket PartsGeek
1615719CATNew Water Pump - fits 3406E & C151Pump PartsGeek
163-1128Coolant kit PartsGeek
163-1129Coolant kit PartsGeek
1669144CATHousing Gasket - Front, 3406E1Gasket PartsGeek
175-7546Oil Filter Cutter1Tool PartsGeek
1R-0713Oil Filter (Engine) (Alternative)1Oil filter PartsGeek kuduparts $13.00
1R-0750Oil Filter (Engine) (Standard)1Oil filter PartsGeek atldiesel $12.53
1R-1712Advanced High Efficiency FilterFilter PartsGeek kuduparts $17.00
1R0716Oil filter PartsGeek atldiesel $37.61
1R0749Fuel, Spin-OnFuel filter Amazon eBay $57.96 PartsGeek
1R0751Fuel, Spin-OnFuel filter Amazon eBay $40.00 PartsGeek
1R1808LubeOil filter Amazon eBay $153.00 PartsGeek
1U-5718Vacuum Pump1Vacuum pump PartsGeek
1U-5804Crimp Too1(12 to 18 AWG)1Crimp tool PartsGeek kuduparts $290.00
1U-8760Chain Wrench1Tool PartsGeek
2161252CATSingle Cylinder Head Gasket Set - 3406/ 3406E1Gasket PartsGeek
221-9778Puller Stud1Tool PartsGeek
2245122CATCylinder Head Gasket - 3406E1Gasket PartsGeek
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 6TS1Gasket PartsGeek
296-8325Cat® Crankcase Ventilation (CV) FilterOcv filter cartridge PartsGeek
304-7755Cat regeneration system PartsGeek
305-2389Wire brush PartsGeek
3406462MCBCATInframe Chassis Gasket Set - 3406E 5EK1Gasket PartsGeek
4C-5552Large Bore Brush1Tool PartsGeek
4C-9507Retaining Compound1Fluid PartsGeek
4K-0367Part 4K-03671Tool PartsGeek
5F-4764Pry Bar1Tool PartsGeek
5P-8247Hard Washer1Tool PartsGeek
8T-8726Adapter Cable As(3 Pin Breakout)1Adapter cable 3 pin breakout PartsGeek
8T1589Coolant filter eBay PartsGeek
8T9190Coolant filter PartsGeek
9S-9082Engine Turning Tool1Engine turning tool PartsGeek
9U-6862Tapered Brush1Tool PartsGeek
9U-6863Small Bore Brush1Tool PartsGeek
9U-7227Injector Height Gauge1Tool PartsGeek sinocmp $85.00
9U-7237Brush Extension1Tool PartsGeek
9U-7244End Brush1Tool PartsGeek
9Y6054Connecting rodsConnecting rod PartsGeek atldiesel $300.01
DM-6I3890WATER PUMP 3406EPump PartsGeek
JERD2124Electronic Technician Program (Cat ET)1Electronic technician program PartsGeek
M-1052508Fuel Priming Pump1Pump PartsGeek atldiesel $46.38
M-1252107Fuel System Set1Gasket PartsGeek
M-1282922Water Pump Mounting Gasket1Gasket PartsGeek
M-1354925Water Pump1Pump PartsGeek atldiesel $575.29
M-1375541Fuel Priming Pump1Pump PartsGeek
M-1415787Oil Cooler Set1Gasket PartsGeek
M-1425867Front Crankshaft Seal1Seal PartsGeek
M-1425868Rear Crankshaft Seal1Seal PartsGeek
M-1429672Central & Lower Set1Gasket PartsGeek
M-1609874Gasket Set - Cylinder Liner Packing6Gasket PartsGeek
M-1614113Oil Pump1Pump PartsGeek
M-1615719Water Pump1Pump PartsGeek atldiesel $486.05
M-1632478Valve Stem Seal24Seal PartsGeek
M-1946722Sensor - PressureARSensor PartsGeek
M-1946724Sensor - PressureARSensor PartsGeek
M-1946725Sensor - PressureARSensor PartsGeek
M-2088350Air Compressor Set1Gasket PartsGeek
M-2244536Sensor - PressureARSensor PartsGeek
M-2274239ORKInjector Sleeve O-Ring Kit6Seal PartsGeek
M-2287094Nose O-ring6Seal PartsGeek
M-2323679Rear Structure Set1Gasket PartsGeek
M-2410825Turbocharger Installation Set1Gasket PartsGeek
M-2477133Regulator - 190°ARThermostat PartsGeek
M-2481394Injector O-Ring Kit6Seal PartsGeek
M-2485513Regulator - 180°1Thermostat PartsGeek
M-2566453Sensor - TemperatureARSensor PartsGeek
M-2644297Sensor - TemperatureARSensor PartsGeek
M-2842728Sensor - PressureARSensor PartsGeek
M-3766577Front Structure Set1Gasket PartsGeek
M-3S9643Regulator SealARSeal PartsGeek
M-4N1151Oil Pan GasketARGasket PartsGeek
M-4N1151-6Oil Pan GasketARGasket PartsGeek
M-4N733Oil Pump1Pump PartsGeek
M-4W4011Regulator - 170°1Thermostat PartsGeek
M-5P5678-6Valve Cover Gasket1Gasket PartsGeek
M-5P5678-9Valve Cover Gasket1Gasket PartsGeek
M-5S2106Fan Hub Seal1Seal PartsGeek
M-7F2122Fan Hub O-Ring Seal1Seal PartsGeek
MC1F7C2888CATInframe Overhaul Kit - 3406E 5EK1Gasket PartsGeek
MCB3406461Overhaul Gasket Set1Gasket PartsGeek
MCB3406462In-Chassis Gasket Set1Gasket PartsGeek
MCB3406463Cylinder Head Gasket Set1Gasket PartsGeek
MCB3406463CATCylinder Head Gasket Kit - 3406E 5EK1Gasket PartsGeek
MCB3406471Overhaul Gasket Set1Gasket PartsGeek
MCB3406472In-Chassis Gasket Set1Gasket PartsGeek
MCB3406473Cylinder Head Gasket Set1Gasket PartsGeek
MCB3406473CATCylinder Head Gasket Kit - 3406E LLW 2WS 5DS 6T1Gasket PartsGeek
MCBC15993Cylinder Head Gasket Set1Gasket PartsGeek atldiesel $563.97
R-10R0955Fuel Injector - Reman6Injector PartsGeek
R-10R0956Fuel Injector - Reman6Injector PartsGeek
R-10R1000Fuel Injector - Reman6Injector PartsGeek
R-10R1273Fuel Injector - Reman6Injector PartsGeek
R-10R2780Fuel Injector - Reman6Injector PartsGeek
R-10R3261Fuel Injector - Reman6Injector PartsGeek
R-10R3265Fuel Injector - Reman6Injector PartsGeek
R-10R6163Fuel Injector - Reman6Injector PartsGeek
R-10R8501Fuel Injector - Reman6Injector PartsGeek
RW6012XM1DRMANReman Water Pump - 3406E1Pump PartsGeek
RW6014XM1DRMANReman Water Pump - Cat 3406E Straight Teeth1Pump PartsGeek
g00103639Illustration 49 Typical filler cap gasketsGasket PartsGeek
g00467451Illustration 1: Warning label for the electronic unit injector is typically located on the valve cover base.Injector PartsGeek
g00467452Illustration 2: Electrical shock hazard. The electronic unit injector system uses 90-120 volts.Injector PartsGeek
g00992601Accelerator Pedal Position Sensor1Sensor PartsGeek
g00992610Speedometer & Tachometer1Sensor PartsGeek
g00992613Engine Control J1/P11Connector PartsGeek
g00995055Cruise Control On/Off & Set/Resume Switches1Switch PartsGeek
g00995478Engine Wiring Harness Diagram1Wiring harness PartsGeek
i01248643Vehicle Wiring Harness Diagram1Wiring harness PartsGeek
i01491325Air Compressor Filter - Clean/Replace1Air filter PartsGeek
i01492654Battery or Battery Cable - Disconnect1Battery PartsGeek
i01907619SAE J1587 Data LinkData link PartsGeek
i02153996Battery - Replace1Battery PartsGeek
124-2946Lifting Bracket1Service part / kit PartsGeek
1343761CATPiston Ring - Top, 3406E6Service part / kit PartsGeek
1765749CATPiston Ring - Intermediate, 3406E6Service part / kit PartsGeek
1899771CATOil Control Piston Ring - Intermediate, 3406E/ C156Service part / kit PartsGeek
6V-21974 mm Allen Wrench1Service part / kit PartsGeek
M-3327309CamshaftService part / kit PartsGeek
MRS3406E2CATRing Set - 3406E6Service part / kit PartsGeek
g00104545Illustration 3: Do not allow unauthorized personnel on the engine or around the engine when the engine is serviced.Service part / kit PartsGeek
g00285520Illustration 48 Cooling system filler capService part / kit PartsGeek
g00647144207-6845 Adapter Cable As4Service part / kit PartsGeek
g00704000Illustration 4: Determine whether the engine will be operated in an environment that allows combustible gases to be drawn into the air inlet system.Service part / kit PartsGeek
g00704059Illustration 9Service part / kit eBay PartsGeek
g00704135Illustration 6: Gases from a battery can explode.Service part / kit eBay PartsGeek
g00771448Grounding Stud To Battery GroundService part / kit PartsGeek
g00771487Alternate Grounding Stud To Battery GroundService part / kit PartsGeek
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.Service part / kit PartsGeek
i00910470Engine StartingService part / kit PartsGeek
i00911989Before Starting Engine: Face the engine in order to mount the engine or dismount the engine.Service part / kit PartsGeek
i01197583Cooling System Coolant Level - CheckService part / kit PartsGeek
i01359666Crushing Prevention and Cutting Prevention: Support the component properly when work beneath the component is performed.Service part / kit PartsGeek
i01372247Mounting and Dismounting: Inspect the steps, the handholds, and the work area before mounting the engine.Service part / kit PartsGeek
i01372254Fire Prevention and Explosion Prevention: All fuels, most lubricants, and some coolant mixtures are flammable.Service part / kit PartsGeek
i01426993Compression Brake - Inspect/Adjust/ReplaceService part / kit PartsGeek
i01462046Engine StoppingService part / kit PartsGeek
i01480768Burn Prevention: Do not touch any part of an operating engine. Allow the engine to cool before any maintenance is performed on the engine.Service part / kit PartsGeek
i01658146Important Safety InformationService part / kit PartsGeek
i01828962Safety MessagesService part / kit PartsGeek
i01905996171 -4400 Communication Adapter II Gp.Service part / kit PartsGeek
i01914266Troubleshooting SectionService part / kit PartsGeek
i01987714Cooling System Coolant Sample (Level 2) - ObtainService part / kit PartsGeek
i02139869Cooling System Coolant (DEAC) - ChangeService part / kit PartsGeek
i02173402Cooling System Coolant (ELC) - ChangeService part / kit PartsGeek
i02310010Operation and Maintenance Manual (SEBU7005-08)Service part / kit PartsGeek
i02440893Cooling System Supplemental Coolant Additive (SCA) - Test/AddService part / kit PartsGeek
i02482066Cooling System Coolant Extender (ELC) - AddService part / kit PartsGeek
i02603581Cooling System Coolant Sample (Level 1) - ObtainService part / kit PartsGeek

Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.

Fuel consumption

RatingLoadL/hgal/h
Prime100%28.7

Available documents

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