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.
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Power Rating
Maximum Power
121.0 HP
90.0 kW
Rated Speed
2200 & 2500 rpm
2200 & 2500 rpm
Minimum Power
84.5 HP
63.0 kW
Emission Standards
Emissions
U.S. EPA Tier 4 Final
U.S. EPA Tier 4 Final
General
Engine Configuration
In-Line 4, 4-Stroke-Cycle Diesel
In-Line 4, 4-Stroke-Cycle Diesel
Bore
3.9 in
99.0 mm
Stroke
4.3 in
110.0 mm
Displacement
207.5 in³
3.4 l
Compression Ratio
17:01
17:01
Aspiration
Turbocharged-Aftercooled (TA)
Turbocharged-Aftercooled (TA)
Combustion System
Direct Injection
Direct Injection
Rotation from Flywheel End
Counterclockwise
Counterclockwise
Engine Dimensions - Approximate
Length
24.0 in
610.0 mm
Width
24.5 in
623.0 mm
Height
31.7 in
806.0 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments
595.0 lb
270.0 kg