Industrial Diesel Engines C9.3B

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Key Specs

Maximum Power
416 HP
310 kW
Maximum Torque
1335 lb-ft @ 1400 rpm
1810 Nm @ 1400 rpm
Emissions
China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA

Overview

The Cat® C9.3B Industrial Diesel Engine is offered in ratings ranging from 230-310 bkW (308-416 bhp) @ 1800-2200 rpm. These ratings meet China Nonroad Stage III, Brazil MAR-1, and UN R96 Stage IIIA emission standards. The C9.3B engines are ideal choices to power applications in agriculture, aircraft ground support, construction, forestry, general industrial, material handling, and mining.

Product Specifications for C9.3B

Maximum Power 416 HP 310 kW
Maximum Torque 1335 lb-ft @ 1400 rpm 1810 Nm @ 1400 rpm
Rated Speed 1800-2200 rpm 1800-2200 rpm
Minimum Power 308 HP 230 kW
Emissions China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA China Nonroad Stage III, Brazil MAR-1, UN ECE R96 Stage IIIA
Engine Configuration Inline 6, 4-Stroke-Cycle Diesel Inline 6, 4-Stroke-Cycle Diesel
Bore 4.5 in 115 mm
Stroke 5.9 in 149 mm
Displacement 567.5 in³ 9.3 l
Compression Ratio 16.5:1 16.5:1
Aspiration Turbocharged Aftercooled (TA) Turbocharged Aftercooled (TA)
Combustion System Direct Injection Direct Injection
Rotation from Flywheel End Counterclockwise Counterclockwise
Aftertreatment - -
Length 44.3 in 1125 mm
Width 31.1 in 791 mm
Height 42 in 1068 mm
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 1907 lb 865 kg

C9.3B Standard Equipment

Air Inlet System

  • Turbocharged: system with front and rear exhaust configurations
  • Air-to-Air Aftercooled

Control System

  • Configurable software features
  • Engine monitoring system SAE J1939 broadcast and control
  • Electronic control system with single on-engine ECM
  • Over-foam wiring harness
  • Automatic altitude compensation

Cooling System

  • Centrifugal water pump
  • Guidance on cooling system design available through your dealer to ensure equipment reliability

Flywheels and Flywheel Housing

  • Available SAE No. 1 and No. 2 flywheel/housings

Fuel System

  • Electronic high pressure common rail
  • Primary fuel filter
  • Secondary and tertiary fuel filters
  • Fuel transfer pump
  • Electronic fuel priming

Lube System

  • Open crankcase ventilation system (OCV) with fumes disposal (optional OCV filter system)
  • Oil cooler
  • Oil filler
  • Lube oil filter
  • Choice of front, rear or center sumps
  • Oil dipstick
  • Gear driven oil pump

General

  • Vibration damper
  • Lifting eyes
  • Paint: Caterpillar yellow, with optional colors available at request

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