Power Equipment Info
EquipmentEnginesPartsManufacturersGenerators →
Search models or part #
Home›Trucks›Caterpillar 785

Caterpillar 785 Truck

The Caterpillar 785 is a truck powered by a Caterpillar 3406E engine.

14.6 L
Displacement
6
Cylinders
339 kW
Engine power
120
Parts

Engine

Caterpillar 3406E
Displacement14.6 L
Cylinders6
AspirationTurbocharged for ATAAC1
Rated speed2120 rpm
Oil capacity38.8 L

This engine also powers 2 generator set(s) on Facts About Generators.

Parts

120
Part #DescriptionQtySystem
10R-9557Oil Filter1Oil filter PartsGeek
111-2369Maintenance Element1Coolant filter Amazon eBay $26.35 PartsGeek
128-4124Kit without ConditionerCoolant kit 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
1609874CATSingle Cylinder Liner Gasket Set - 3406/ 3412 0.1 lbs/ 0.04 kgs1Gasket PartsGeek
1615719CATNew Water Pump - fits 3406E & C151Pump PartsGeek
163-1128Kit with LiquidCoolant kit PartsGeek
163-1129Kit with ElementCoolant kit PartsGeek
1669144CATHousing Gasket - Front, 3406E1Gasket PartsGeek
175-7546Oil Filter Cutter1Tool PartsGeek
1R-0713Oil Filter (Engine) (Alternative)1Oil filter PartsGeek
1R-0750High Efficiency Fuel Filter1Fuel filter PartsGeek FridayParts $41.50
1R-1712Advanced High Efficiency Filter1Filter PartsGeek FridayParts $41.50
1R0716Oil filter PartsGeek FridayParts $81.99
1R0749Fuel, Spin-On1 case (12 x 1 quart)Fuel filter Amazon eBay $57.96 PartsGeek
1R0751Fuel, Spin-OnFuel filter Amazon eBay $40.00 PartsGeek
1R1808LubeOil filter Amazon eBay $153.00 PartsGeek
1U-8760Chain Wrench1Tool PartsGeek
2161252CATSingle Cylinder Head Gasket Set - 3406/ 3406E1Gasket 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) Filter1Ocv filter cartridge PartsGeek
304-7755Cat regeneration system PartsGeek
305-2389Wire brush PartsGeek
3406462MCBCATInframe Chassis Gasket Set - 3406E 5EK1Gasket PartsGeek
8T1589Maintenance ChargeCoolant filter eBay PartsGeek
8T9190Refill ChargeCoolant filter PartsGeek
9U-7227Injector Height Gauge1Tool PartsGeek
DM-6I3890WATER PUMP 3406EPump PartsGeek
M-10525081 Fuel Priming Pump1Pump PartsGeek
M-1252107Fuel System Set1Gasket PartsGeek
M-1282922Water Pump Mounting Gasket1Gasket PartsGeek
M-1354925Water Pump1Pump PartsGeek
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
M-16324786 6 Valve Stem Seal - Exhaust24Seal 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-2566453Sensor - TemperatureARSensor PartsGeek
M-2644297Sensor - TemperatureARSensor PartsGeek
M-2842728Sensor - PressureARSensor PartsGeek
M-3639020Gasket Set - Central & LowerGasket PartsGeek
M-3639024Gasket Set - Rear StructureGasket PartsGeek
M-3648129Gasket Set - Rear StructureGasket PartsGeek
M-3648338Gasket Set - Front StructureGasket PartsGeek
M-3766577Front Structure Set1Gasket PartsGeek
M-3848611Pump - TransferPump PartsGeek
M-3S9643Regulator SealARSeal PartsGeek
M-4359418Gasket Set - Front StructureGasket PartsGeek
M-4620795Gasket Set - Oil Cooler & LinesGasket PartsGeek
M-4627233Gasket Set - Rear StructureGasket PartsGeek
M-4679007Gasket Set - Rear StructureGasket PartsGeek
M-4711663Gasket Set - Central & LowerGasket 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
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
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
i01491325Air Compressor Filter - Clean/Replace1Air filter PartsGeek
i01492654Battery or Battery Cable - Disconnect1Battery PartsGeek
i02153996Battery - Replace1Battery PartsGeek
101-2844Premixed (50/50)1 gallon (3.8L)Service part / kit PartsGeek
119-5152Coolant Extender**quart bottleService part / kit 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
9Y6054Connecting rodService part / kit PartsGeek
M-24855131 Regulator - 180ºC1Service part / kit PartsGeek
M-3327309CamshaftService part / kit PartsGeek
MRS3406E2CATRing Set - 3406E6Service part / kit PartsGeek
g00104545Illustration 41Service part / kit PartsGeek
g00704000Illustration 81Service part / kit PartsGeek
g00704059Illustration 91Service part / kit eBay PartsGeek
g00704135Illustration 101Service part / kit eBay PartsGeek

Service & wear parts shared with every machine that uses this engine. Confirm the exact part for your serial number.

Aftermarket parts that fit this truck

60
5P-4924 PartsGeek 3516C PartsGeek M315F PartsGeek 321C PartsGeek 330D PartsGeek 345D PartsGeek FridayParts $94.10 M322D PartsGeek 8N-6861 PartsGeek FridayParts $309.44 110-6993 PartsGeek FridayParts $309.44 118-9494 PartsGeek FridayParts $309.44 211-7826 PartsGeek FridayParts $309.44 3524B PartsGeek 261-6848 PartsGeek FridayParts $159.99 3516B PartsGeek 3512B PartsGeek 992G PartsGeek 992K PartsGeek 994H PartsGeek 3T-6604 PartsGeek FridayParts $260.99 3408E PartsGeek 3408C PartsGeek 769C PartsGeek 769D PartsGeek 771C PartsGeek 771D PartsGeek 6V-2305 PartsGeek FridayParts $619.99 784B PartsGeek 785B PartsGeek 789B PartsGeek 793C PartsGeek 9W-6622 PartsGeek FridayParts $189.99 9W-6623 PartsGeek FridayParts $189.99 793B PartsGeek D40D PartsGeek 9W-6644 PartsGeek FridayParts $370.99 773B PartsGeek 777B PartsGeek 4N-9680 PartsGeek 3126B PartsGeek 637G PartsGeek 931G PartsGeek 621F PartsGeek 627F PartsGeek 657E PartsGeek 950F PartsGeek 980B PartsGeek 563-0598 PartsGeek 336GC PartsGeek 313GC PartsGeek 320DL PartsGeek 315GC PartsGeek 5D-0470 PartsGeek 966D PartsGeek 980C PartsGeek 313-7668 PartsGeek C175 PartsGeek 793F PartsGeek 797F PartsGeek 789D PartsGeek 950M PartsGeek

Parts listed by aftermarket suppliers as fitting this truck — leads compiled from supplier catalogs; verify the exact part for your serial number.

Common questions

What engine does the Caterpillar 785 use?

The Caterpillar 785 truck is powered by the Caterpillar 3406E engine.

About

Caterpillar 785 — truck. Specifications and parts compiled from manufacturer documents.

Find parts

Service & wear parts for the Caterpillar 785.

Browse parts catalog