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.
- Minimum Power
- Maximum Power
- Rated Speed
- 2200 & 2500 rpm
- U.S. EPA Tier 4 Final, EU Stage IIIB Nonroad Emission Standards
- Engine Configuration
- In-Line 4, 4-Stroke-Cycle Diesel
- 99 mm (3.9 in)
- 110 mm (4.3 in)
- 3.4 L (207.5 in³)
- Turbocharged (T)
- Compression Ratio
- Combustion System
- Direct Injection
- Rotation from Flywheel End
- Cooling System - Capacity
- 6 L (6.3 qt)
Aftertreatment Dimensions - Approximate
- Wall Flow: 20 kg (44 lb). Through Flow: 14 kg (30.8 lb)
- Wall Flow: 541 mm (21.3 in). Through Flow: 509 mm (20 in)
- Wall-Flow: 180 mm (7.1 in). Through Flow: 149 mm (5.8 in)
Engine Dimensions - Approximate
- 653 mm (25.7 in)
- Weight - Net Dry - Basic Operating Engine Without Optional Attachments
- 251 kg (553.4 lb)
- 610 mm (24 in)
- 829.5 mm (32.6 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.
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 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.