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Industrial Diesel Power Units - Highly Regulated

Cat® industrial engines are ready for your application. These engines deliver the unsurpassed reliability, durability, fuel efficiency, and low cost of ownership you have come to expect from Caterpillar. And our world-class product support will never let you down. All this adds up to a powerful advantage for you. Every Cat industrial diesel and gas engine comes with 75 years of engine experience. Our world-class product line of high-speed and medium-speed industrial engines in a wide range of applications offer power solutions for the most demanding installations and the harshest environments. With power options from 8.2 to 6,100 bkW (11 to 8,180 bhp), Cat industrial diesel and gas engines offer the widest power range in the industry.

Cat® C3.4B Industrial Power Unit

The Cat® C3.4B Industrial Power Unit is offered at 75-86 bkW (100-115 bhp), which meets U.S. EPA Tier 4 Final, EU Stage IV emission standards. Conveniently pre-configured for a wide range of applications, the Cat Industrial Power Unit is a complete power package containing a radiator, flywheel, alternator and alternator wiring completely pre-assembled for fast, straightforward installation in a number of OEM, customer and packager applications. These fuel efficient units are ready made for irrigation, industrial, mining and other pump applications.

  • Specification Summary

  • Maximum Power 86 kW
  • Maximum Torque 420 Nm @ 1400 rpm
  • Rated Speed 2200
  • Minimum Power 74.5 kW

Product Details

Power Rating

Maximum Power 86 kW
Maximum Torque 420 Nm @ 1400 rpm
Rated Speed 2200
Minimum Power 74.5 kW

Emission Standards

Emissions U.S. EPA Tier 4 Final

General

Engine Configuration In-Line 4, 4-Stroke-Cycle Diesel
Bore 99 mm
Stroke 110 mm
Displacement 3.4 l
Compression Ratio 17.0:1
Aspiration Turbocharged Aftercooled (TA)
Rotation from Flywheel End Counterclockwise
Aftertreatment DOC+SCR

Power Unit Dimensions

Length 1252 mm
Width 705 mm
Height 1033 mm
Weight 407 kg
  • Air Inlet System
    •  Standard air cleaners
  • Standard air cleaners
    • Control System
      •  Full electronic control system
      •  Fully integrated, engine-mounted electronic control unit
      •  Waterproof connectors and wiring looms
      •  Flexible and configurable software features and J1939 standard communications I/O
    • Flywheels and Flywheel Housing
      •  SAE3 configuration
    • Fuel System
      •  Engine-mounted fuel filters
      •  Electronic high pressure common rail fuel pump and injectors
    • Lube System
      •  Lubricating oil filters and breathers
    • General
      •  Cold start capability to -20° C (-4° F)
      •  Paint: Caterpillar yellow, with optional colors available at request
    • U.S. EPA Tier 4 Final, EU Stage IV Aftertreatment/Clean Emissions Control Equipment
      •  Diesel Oxidation Catalyst (DOC)
      •  Selective Catalytic Reduction (SCR)
      •  SCR Auxiliaries are available in a range of tanks and heated lines

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