Cat® C3.4B Diesel Engine
Industrial
Industrial (98)
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Cat® G3520, G3520B Industrial Gas Engine
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Cat® G3512, G3512B Industrial Gas Engine
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Cat® G3516, G3516B Industrial Gas Engines
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Cat® G3412 Industrial Gas Engine
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Cat® G3508 Industrial Gas Engine
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Cat® G3406 Industrial Gas Engine
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Cat® G3408 Industrial Gas Engine
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Cat® C7 Industrial Power Unit
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Cat® G3304 Industrial Gas Engine
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Cat® G3306 Industrial Gas Engine
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Cat® C2.2 Industrial Power Unit
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Cat® C6.6 Industrial Power Unit
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Cat® C1.1 Industrial Power Unit
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Cat® C1.5 Industrial Power Unit
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Cat® C1.5 Industrial Power Unit
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Cat® C2.2 Industrial Power Unit
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Cat® C1.1 Industrial Power Unit
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Cat® C6.6 Diesel Engine
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Cat® C6.6 Diesel Engine
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Cat® C1.7 Diesel Engine
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Cat® C3.4B Diesel Engine
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Cat® C3.4B Diesel Engine
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Cat® 3516 Fire Pump
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Cat® 3412C Fire Pump
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Cat® 3508 Fire Pump
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Cat® C18 Diesel Fire Pump
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Cat® 3406C Fire Pump Engine
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Cat® 3516C Industrial Power Unit
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Cat®C18 Industrial Power Unit
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Cat® C13 Industrial Power Unit
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Cat® C15 Industrial Power Unit
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Cat® C9 Industrial Power Unit
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Cat® C11 Industrial Power Unit
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Cat® C7.1 Industrial Power Unit
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Cat® C9 Industrial Power Unit
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Cat® C18 Industrial Power Unit
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Cat® C4.4 Industrial Power Unit
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Cat® C4.4 Industrial Power Unit
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Cat® C15 Industrial Power Unit
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Cat® C9.3B Industrial Power Unit
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Cat® C9.3 Industrial Power Unit
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Cat® C13 Industrial Power Unit
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Cat® C7.1 Industrial Power Unit
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Cat® C3.4B Industrial Power Unit
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Cat® C3.4B Industrial Power Unit
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Cat® C4.4 ACERT™ Industrial Power Unit
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Cat® 3612 Industrial Diesel Engine
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Cat® 3616 Industrial Diesel Engine
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Cat® 3606 Industrial Diesel Engine
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Cat® 3608 Industrial Diesel Engine
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Cat® 3516C Industrial Diesel Engine
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Cat® 3516B Industrial Diesel Engine
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Cat® 3512C Industrial Diesel Engine
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Cat® 3516 Industrial Diesel Engine
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Cat® 3508B Industrial Diesel Engine
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Cat® 3512 Industrial Diesel Engine
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Cat® 3512B Industrial Diesel Engine
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Cat® C32
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Cat® 3508 Diesel Engine
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Cat® C18 Industrial Diesel Engine
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Cat® C27 Industrial Diesel Engine
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Cat® 3406C Diesel Engine
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Cat® C15 Industrial Diesel Engine
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Cat® C11 Industrial Diesel Engine
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Cat® C13 Industrial Diesel Engine
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Cat® C7.1 Diesel Engine
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Cat® C9 Industrial Diesel Engine
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Cat® C4.4 Diesel Engine
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Cat® C7 Industrial Diesel Engine
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Cat® C7.1 Diesel Engine
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Cat®3054C Industrial Diesel Engine
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Cat® C4.4 Diesel Engine
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Cat® C3.6 Industrial Diesel Engine
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Cat® C3.6 Industrial Diesel Engine for Tractors
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Cat® C2.8 Industrial Diesel Engine
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Cat® C2.2 Diesel Engine
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Cat® C1.1 Diesel Engine
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Cat® C1.5 Diesel Engine
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Cat® C0.5 Diesel Engine
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Cat® C0.7 Diesel Engine
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Cat® C32 Diesel Engine
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Cat® 3516E Diesel Engine
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Cat® C27 Diesel Engine
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Cat® C13 Diesel Engine
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Cat® C9.3 Diesel Engine
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Cat® C9.3B Diesel Engine
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Cat® C4.4 Diesel Engine
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Cat® C7.1 ACERT™ Diesel Engine
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Cat® C3.6 Diesel Engine for Tractors
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Cat® C3.6 Diesel Engine
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Cat® C2.8 Diesel Engine
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Cat® C2.2 Diesel Engine
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Cat® C1.5 Diesel Engine
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Cat® C1.7 Diesel Engine
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Cat® C0.7 Diesel Engine
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Cat® C1.1 Diesel Engine
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Cat® C0.5 Diesel Engine
Overview
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 63-90 bkW (84.5-120.7 bhp) @ 2200-2500 rpm, which meet U.S. EPA Tier 4 Final, EU Stage IV 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.
- Reliable, Quiet and Durable Power
- High Performance
- Fuel Efficiency
- Fuel & Oil
- Broad Application Range
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 informatio...
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.
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.
General
- Engine Configuration
- In-Line 4, 4-Stroke-Cycle Diesel
- Cooling System Capacity
- 6 L (6.3 qt)
- Bore
- 3.9in
- Stroke
- 4.3in
- Displacement
- 207.5in³
- Aspiration
- Turbocharged-Aftercooled (TA)
- 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)
Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)
- DOC Length
- 320 mm (12.6 in)
- DOC Weight
- 15 kg (33 lb)
- DOC Diameter
- 196 mm (7.7 in)
- SCR Weight
- 20 kg (44 lb)
- SCR Diameter
- 251 mm (9.88 in)
Power Rating
- Minimum Power
- 84.5HP
- Maximum Power
- 121HP
- Rated Speed
- 2200 & 2500 rpm
Emission Standards
- Emissions
- U.S. EPA Tier 4 Final
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
- Length
- 610 mm (24 in)
- Width
- 623 mm (24.5 in)
- Height
- 805.5 mm (31.7 in)
Engine Dimensions - Approximate
- Dry Weight - Basic Operating Engine Without Optional Attachments
- 270 kg (595.2 lbs)
- Height
- 805.5 mm (31.7 in)
- Length
- 610 mm (24 in)
- Width
- 623 mm (24.5 in)
- Length
- 24in
- Width
- 24.5in
- Height
- 31.7in
- Weight - Net Dry - Basic Operating Engine Without Optional Attachments
- 595lb
Aftertreatment Dimensions - Approximate
- SCR Length
- 520 mm (20.47 in)
- SCR Weight
- 20 kg (44 lb)
- DOC Diameter
- 196 mm (7.7 in)
- DOC Length
- 320 mm (12.6 in)
- DOC Weight
- 15 kg (33 lb)
- SCR Diameter
- 251 mm (9.88 in)
Standard/Optional Features
Standard Equipment:
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- Air Inlet System
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- Induction manifolds
- Exhaust manifolds
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- Control System
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- Starter motor
- Alternator
- Electronic Control Unit
- Sensors for: engine speed, oil pressure, and coolant temperature
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- Cooling System
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- Cooling packs
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- Flywheels And Flywheel Housing
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- Flywheel housings
- Flywheel and starter rings
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- Fuel System
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- Fuel filter positions
- Common rail fuel pump and injectors
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- Lube System
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- Lubricating oil filters
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- General
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- Cold start capability to -20° C (-4° F)
- Paint: Caterpillar yellow, with optional colors available at request
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- U.s. Epa Tier 4 Final, Eu Stage Iv Aftertreatment/ Clean Emissions Control Equipment
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- Diesel Oxidation Catalyst (DOC)
- Selective Catalytic Reduction (SCR)
- SCR Auxiliaries