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)
General
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Engine ConfigurationIn-Line 4, 4-Stroke-Cycle Diesel
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Cooling System Capacity6 L (6.3 qt)
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Bore3.9 in
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Stroke4.3 in
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Displacement207.5 in³
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AspirationTurbocharged (T)
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Compression Ratio17:01
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Combustion SystemDirect Injection
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Rotation from Flywheel EndCounterclockwise
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Engine ConfigurationIn-Line 4, 4-Stroke-Cycle Diesel
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Bore99 mm (3.9 in)
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Stroke110 mm (4.3 in)
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Displacement3.4 L (207.5 in³)
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Cooling System - Capacity6 L (6.3 qt)
Engine Dimensions (Approximate. Final dimensions dependent on selected options)
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Length610 mm (24 in)
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Width653 mm (25.7 in)
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Height829.5 mm (32.6 in)
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Weight - Net Dry (Basic Operating Engine Without Optional Attachments)251 kg (553.4 lb)
Aftertreatment Dimensions (Approximate. Final dimensions dependent on selected options)
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LengthWall Flow: 541 mm (21.3 in). Through Flow: 509 mm (20 in)
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WeightWall Flow: 20 kg (44 lb). Through Flow: 14 kg (30.8 lb)
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DiameterWall-Flow: 180 mm (7.1 in). Through Flow: 149 mm (5.8 in)
Power Rating
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Minimum Power60.3 HP
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Maximum Power74.3 HP
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Rated Speed2200 & 2500 rpm
Emission Standards
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EmissionsU.S. EPA Tier 4 Final,
Engine Dimensions - Approximate
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Height829.5 mm (32.6 in)
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Length610 mm (24 in)
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Weight - Net Dry - Basic Operating Engine Without Optional Attachments251 kg (553.4 lb)
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Width653 mm (25.7 in)
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Length24 in
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Height32.6 in
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Width25.7 in
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Weight - Net Dry - Basic Operating Engine Without Optional Attachments553.4 lb
Aftertreatment Dimensions - Approximate
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DiameterWall-Flow: 180 mm (7.1 in). Through Flow: 149 mm (5.8 in)
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LengthWall Flow: 541 mm (21.3 in). Through Flow: 509 mm (20 in)
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WeightWall Flow: 20 kg (44 lb). Through Flow: 14 kg (30.8 lb)
Aftertreatment Dimensions
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Length21.3 in
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Weight44 lb
Aftertreatment Dimensions*
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Diameter7.1 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:
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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 Iiib Aftertreatment/clean Emissions Control Equipment
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- Diesel Particulate Filter (DPF)
- Diesel Oxidation Catalyst (DOC)
- Flex pipe connection kit with straight and 90° options for flexibility