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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.

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SPECIFICATION SUMMARY
  • Engine Configuration In-Line 4, 4-Stroke-Cycle Diesel
  • Cooling System Capacity 6 L (6.3 qt)
  • Length 610 mm (24 in)
  • Width 653 mm (25.7 in)

PRICE (USD)
Call 440-838-7348 for rate information

General

  • Engine Configuration
    In-Line 4, 4-Stroke-Cycle Diesel
  • Cooling System Capacity
    6 L (6.3 qt)
  • Bore
    3.9 in
  • Stroke
    4.3 in
  • Displacement
    207.5 in³
  • Aspiration
    Turbocharged (T)
  • Compression Ratio
    17:01
  • Combustion System
    Direct Injection
  • Rotation from Flywheel End
    Counterclockwise
  • 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)
  • 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)

Power Rating

  • Minimum Power
    60.3 HP
  • Maximum Power
    74.3 HP
  • Rated Speed
    2200 & 2500 rpm

Emission Standards

  • Emissions
    U.S. EPA Tier 4 Final,

Engine Dimensions - Approximate

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

Aftertreatment Dimensions - Approximate

  • Diameter
    Wall-Flow: 180 mm (7.1 in). Through Flow: 149 mm (5.8 in)
  • 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)

Aftertreatment Dimensions

  • Length
    21.3 in
  • Weight
    44 lb

Aftertreatment Dimensions*

  • Diameter
    7.1 in

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.

High Performance

Leading-edge technology provides significant improvements in power, torque, fuel consumption and response. Technology includes single smart wastegated turbo systems, durable high pressure common rail technology, and closed circuit breathing system.

Fuel Efficiency

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

Fuel & Oil

Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 15 ppm sulfur, and new oil formulations to support the new technology. Cat® engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.

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.

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:

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