Industrial Diesel Engines - Lesser Regulated & Non-Regulated
Industrial Diesel Engines - Highly Regulated

Cat® 3406C Diesel Engine

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Overview

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.

Power Rating

Minimum Power
375.00 bhp
280.00 bkW
Maximum Power
465.00 bhp
347.00 bkW
Rated Speed
1800-2100 rpm

Emission Standards

Emissions
Non-Certified

General

Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
Bore
137.2 mm (5.4 in)
Stroke
165.1 mm (6.5 in)
Displacement
14.64 L (893.39 in³)
Aspiration
Turbocharged Aftercooled
Compression Ratio
14.5:1
Rotation (from flywheel end)
Counterclockwise
Lube System (refill)
34.1 L (36 qt)

Engine Dimensions (Approximate. Final dimensions dependent on selected options)

Length
1660 mm (65.35 in)
Width
906 mm (35.67 in)
Height
1335 mm (52.56 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments)
1300 kg (2866 lb)

Power Rating

Minimum Power
375.00 HP
280.00 kW
Maximum Power
465.00 HP
347.00 kW
Rated Speed
1800-2100 rpm

Emission Standards

Emissions
Non-Certified

General

Engine Configuration
Inline 6, 4-Stroke-Cycle Diesel
Bore
137.2 mm (5.4 in)
Stroke
165.1 mm (6.5 in)
Aspiration
Turbocharged Aftercooled
Displacement
14.64 L (893.39 in³)
Compression Ratio
14.5:1
Rotation from Flywheel End
Counterclockwise
Lube System - Refill
34.1 L (36 qt)

Engine Dimensions - Approximate

Height
1335 mm (52.56 in)
Length
1660 mm (65.35 in)
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
1300 kg (2866 lb)
Width
906 mm (35.67 in)

General

Bore
5.40 in
137.00 mm
Stroke
6.50 in
165.00 mm
Displacement
893.40 in³
14.60 l

Engine Dimensions - Approximate

Width
35.70 in
906.00 mm
Length
65.40 in
1660.00 mm
Height
52.60 in
1335.00 mm

Power Rating

Maximum Torque
1602.00 lb-ft @ 1350 rpm
2172.00 Nm @ 1350 rpm

Engine Dimensions - Approximate

Weight - Net Dry - Basic Operating Engine Without Optional Attachments
2866.00 lb
1300.00 kg

General

Aftertreatment
-
Features

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