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Cat® C3.4B 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.

Cat® C3.4B Diesel Engine - Specifications

Power Rating
Minimum Power
84.5 BHP
63 bkW
Maximum Power
121 BHP
90 bkW
Rated Speed
2200 & 2500 rpm
Emission Standards
Emissions
U.S. EPA Tier 4 Final, EU Stage IV Nonroad Emission Standards. U.S. EPA Tier 4 Interim Equivalent and EU Stage IIIB Equivalent ratings available using EPA or EU Flex Provisions.
General
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)
Aspiration
Turbocharged-Aftercooled (TA)
Compression Ratio
17:1
Combustion System
Direct Injection
Rotation from Flywheel End
Counterclockwise
Cooling System - Capacity
6 L (6.3 qt)
Aftertreatment Dimensions - Approximate
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)
SCR Length
520 mm (20.47 in)
SCR Weight
20 kg (44 lb)
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)