Exterior View

Cat® 3406C Diesel Engine

The Cat® 3406C Industrial Diesel Engine is offered in ratings ranging from 298-347 bkW (400-465 bhp) @ 1800-2100 rpm and is available for global non-regulated areas. Industries and applications powered by 3406C engines include: Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Dredgers, Forestry, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Paving Equipment, Pumps, Shovels/Draglines, Specialty Ag Equipment, Surface Hauling Equipment, Trenchers and Underground Mining Equipment.

Maximum Power
465HP
Maximum Torque
1602lb-ft @ 1350 rpm
Rated Speed
1800-2100 rpm
Minimum Power
375HP
Emissions
Non-Certified
Length
65.4in
Width
35.7in
Height
52.6in
Weight – Net Dry – Basic Operating Engine Without Optional Attachments
2866lb
Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
Bore
5.4in
Stroke
6.5in
Displacement
893.4in³
Compression Ratio
14.5:1
Aspiration
Turbocharged Aftercooled
Rotation from Flywheel End
Counterclockwise
Aftertreatment
  • Air Inlet System
    • Air cleaner. Regular duty, dry, panel type with service indicators, turbocharger, jacket water aftercooled.
  • Control System
    • Hydra-mechanical governor
  • Cooling System
    • Thermostats and housing
    • Jacket water pump, centrifugal
  • Exhaust System
    • Exhaust manifold, dry
    • Exhaust elbow, dry, 152 mm (6 in), 4 bolt flange
  • Flywheels And Flywheel Housing
    • SAE No. 1 flywheel
    • SAE No. 1 flywheel housing
    • SAE standard rotation
  • Fuel System
    • Fuel filter, LH
    • Fuel transfer pump
    • Fuel priming pump
  • Instrumentation
    • Instrument panel, LH
    • Engine oil pressure gauge
    • Fuel pressure gauge
    • Water temperature gauge
    • Service meter
  • Lube System
    • Crankcase breather
    • Oil cooler
    • Lube oil filter
    • Oil filler in valve cover and dipstick, both RH
    • Rear sump oil pan
  • Mounting System
    • Supports
  • General
    • Vibration damper
    • Lifting eyes
    • Paint: Caterpillar yellow, with optional colors available at request

Coming Soon