Cat® 3406C Diesel Engine

For your largest power needs in any environment, Cat® 3406C Industrial Diesel Engines offer the unsurpassed performance and durability your customers need to keep their industrial applications and operations running. They deliver high power output, proven reliability and excellent fuel efficiency. These engines maintain low operating costs to keep your customers profitable for years to come. 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.

Reliable, Quiet and Durable Power

World-class manufacturing capability and processes coupled with proven core engine designs assure reliability, quiet operation, and many hours of productive life.

Fuel Efficiency

Fuel consumption optimized to match operating cycles of a wide range of equipment and applications while maintaining low operating costs.

Broad Application Range

Industry leading range of factory configurable ratings and options for agricultural, material handling, construction, mining, aircraft ground support, and other industrial applications.

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOSSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

World-class Product Support Offered Through Global Cat Dealer Network

  • Scheduled maintenance, including SOSSM sample
  • Customer Support Agreements (CSA)
  • Caterpillar Extended Service Coverage (ESC)
  • Superior dealer service network
  • Extended dealer service network through the Cat Industrial Service Distributor (ISD) program

Standard Equipment

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

Additional information

Offering Type

Power Rating - Maximum Power

347 kW ( 465 HP )

Power Rating - Maximum Torque

2172 Nm @ 1350 rpm ( 1602 lb-ft @ 1350 rpm )

Power Rating - Rated Speed

1800-2100 rpm

Power Rating - Minimum Power

280 kW ( 375 HP )

Emission Standards - Emissions

Non-Certified

General - Engine Configuration

Inline 6, 4-Stroke-Cycle Diesel

General - Bore

137 mm ( 5.4 in )

General - Stroke

165 mm ( 6.5 in )

General - Displacement

14.6 l ( 893.4 in³ )

General - Compression Ratio

14.5:1

General - Aspiration

Turbocharged Aftercooled

General - Rotation from Flywheel End

Counterclockwise

General - Aftertreatment

Engine Dimensions - Approximate - Length

1660 mm ( 65.4 in )

Engine Dimensions - Approximate - Width

906 mm ( 35.7 in )

Engine Dimensions - Approximate - Height

1335 mm ( 52.6 in )

Engine Dimensions - Approximate - Weight - Net Dry - Basic Operating Engine Without Optional Attachments

1300 kg ( 2866 lb )

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