Industrial Oem

  • Specs Summary
  • Minimum Power
    60.3 bhp (45 bkW)
  • Maximum Power
    74.3 bhp (55.4 bkW)
  • Emissions
    U.S. EPA Tier 4 Final, EU Stage IIIB Nonroad Emission Standards
  • Frequency
    2200 & 2500 rpm

Cat® C3.4B Diesel Engine

Cat® C3.4B Industrial Diesel Engines offer the perfect balance of durability, fuel efficiency and low emissions. The C3.4B Industrial Engine is offered in ratings ranging from 45-55.4 bkW (60-74.3 bhp) @ 2200-2500 rpm, which meet U.S. EPA Tier 4 Final, EU Stage IIIB emission standards. Industries and applications powered by C3.4B engines include: Agriculture, Aerial Lifts, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Compressors, Construction, Forestry, General Industrial, Irrigation Equipment, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Light Towers, Mobile Sweepers, Paving Equipment, Pumps, Specialty Ag Equipment, Trenchers, Turf and Landscaping and Underground Mining Equipment.

Power Rating

  • Minimum Power 60.3 bhp (45 bkW)
  • Maximum Power 74.3 bhp (55.4 bkW)
  • Frequency 2200 & 2500 rpm

Emission Standards

  • Emissions U.S. EPA Tier 4 Final, EU Stage IIIB Nonroad Emission Standards

General

  • Engine Configuration In-Line 4, 4-Stroke-Cycle Diesel
  • Bore 99 mm (3.9 in)
  • Stroke 110 mm (4.3 in)
  • Displacement 3.4 L (207.5 in³)
  • Aspiration Turbocharged (T)
  • Compression Ratio 17:1
  • Combustion System Direct Injection
  • Rotation (from flywheel end) Counterclockwise
  • Cooling System Capacity 6 L (6.3 qt)

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

  • Length 610 mm (24 in)
  • Width 653 mm (25.7 in)
  • Height 829.5 mm (32.6 in)
  • Weight - Net Dry (Basic Operating Engine Without Optional Attachments) 251 kg (553.4 lb)

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

  • Length Wall Flow: 541 mm (21.3 in). Through Flow: 509 mm (20 in)
  • Weight Wall Flow: 20 kg (44 lb). Through Flow: 14 kg (30.8 lb)
  • Diameter Wall-Flow: 180 mm (7.1 in). Through Flow: 149 mm (5.8 in)

PETU Dimensions (Tier 4 Final, Stage IV Only)

Standard Equipment

Air Inlet System

  • Induction manifolds
  • Exhaust manifolds

Control System

  • Starter motor
  • Alternator
  • Electronic Control Unit
  • Sensors for: engine speed, oil pressure, and coolant temperature

Cooling System

  • Cooling packs

Flywheels and Flywheel Housing

  • Flywheel housings
  • Flywheel and starter rings

Fuel System

  • Fuel filter positions
  • Common rail fuel pump and injectors

Lube System

  • Lubricating oil filters

General

  • Cold start capability to -20° C (-4° F)
  • Paint: Caterpillar yellow, with optional colors available at request

U.S. EPA Tier 4 Final, EU Stage IIIB Aftertreatment/Clean Emissions Control Equipment

  • Diesel Particulate Filter (DPF)
  • Diesel Oxidation Catalyst (DOC)
  • Flex pipe connection kit with straight and 90° options for flexibility

Optional Equipment