C9.3 ACERT  Well Servicing Engines

C9.3 ACERT™ (Tier 4i/Stage IIIB)

C9.3 ACERT™ (Tier 4i/Stage IIIB)

Features At A Glance

Advanced Digital Engine Management
Power Units
Custom Packaging
Custom Packaging
Fuel & Oil
Optional Attachments
Product Support Offered Through Global Cat Dealer Network
Over 80 Years of Engine Manufacturing Experience
Over 80 Years of Engine Manufacturing Experience
Web Site
Web Site

Product Specifications for C9.3 ACERT™ (Tier 4i/Stage IIIB)

General Specifications



Capacity for Liquids

C9.3 ACERT™ (Tier 4i/Stage IIIB) Standard Equipment

Air Inlet System

  • Turbocharged Air-to-Air Aftercooled

Control System

  • Electronic control system, over-foam wiring harness, automatic altitude compensation, power compensated for fuel temperature, configurable software features, engine monitoring system SAE J1939 broadcast and control, integrated Electronic Control Unit (ECU) remote fan control

Cooling System

  • Vertical outlet thermostat housing, centrifugal water pump, guidance on cooling system design available to ensure machine reliability

Exhaust System

  • Clean Emissions Module (CEM) that includes Diesel Particulate Filter (DPF), Diesel Oxidation Catalyst (DOC), and Cat Regeneration System, optional exhaust outlet

Flywheels and Flywheel Housing

  • SAE No. 1 and SAE No. 2 flywheel housing

Fuel System

  • High pressure common rail, primary fuel filter, secondary fuel filters, fuel transfer pump, electronic fuel priming

Lube System

  • Open crankcase ventilation system, oil cooler, oil filler, oil filter, oil dipstick, oil pump (gear driven), choice of sumps (front, rear, shallow)

Power Take Off

  • SAE A, SAE B, and SAE C drives available, engine power can also be taken from the front of the engine on some applications


  • Paint: Cat yellow, vibration damper, lifting eyes

C9.3 ACERT™ (Tier 4i/Stage IIIB) Optional Equipment

Engine-Mounted Transmission Oil Cooler

  • integration with engine cooling system allows ease of installation and a tighter overall engine package

Engine Brakes

  • braking capabilities for mobile applications

See how C9.3 ACERT™ (Tier 4i/Stage IIIB) compares against frequently compared products.

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