C18 ACERT Tier 2 Recreational

Extended Warranty and Support
Learn More
View Product Downloads
Please answer to continue. Enter a valid email address.

Overview

The C18 ACERT marine propulsion engine has ratings of 930 -1150 mhp (918-1136 bhp) at 2100-2300 rpm for recreational applications that meet U.S. EPA Tier 2, IMO II, and EU RCD Regulations. This marine engine incorporates the latest core engine system innovations to provide maximum benefits in power density, performance, emissions, and fuel efficiency. Not only is it equipped with engine monitoring and protection features, it is also compatible with Cat display and vessel control systems. With this engine comes the unmatched worldwide marine support network including Cat dealers and hundreds of authorized marine dealers. Their combined experience and expertise, products and services, backup and support allow your recreational pleasure craft to remain precisely that — a pleasure.

Ratings

Units:
High Performance Ratings - Maximum Power 1136.0 bhp 847.0 bkW Less

Engine

Configuration In-line 6, 4-Stroke-Cycle Diesel In-line 6, 4-Stroke-Cycle Diesel Less
Aspiration TA,TTA TA,TTA Less
Rotation (from flywheel end) Counterclockwise Counterclockwise Less
Stroke 7.2 in 183.0 mm Less
Bore 5.7 in 145.0 mm Less
Displacement 1106.0 in3 18.1 L Less

Dimensions & Weights

Minimum Dry Weight 3700.0 lb 1905.0 kg Less
Maximum Dry Weight 4200.0 lb 1678.0 kg Less
Minimum Length 59.2 in 1505.0 mm Less
Maximum Height 46.5 in 1182.0 mm Less
Minimum Width 42.1 in 1068.0 mm Less
Maximum Width 44.0 in 1118.0 mm Less
Minimum Height 45.0 in 1144.0 mm Less
Maximum Length 62.6 in 1591.0 mm Less

C18 ACERT Tier 2 Recreational Standard Equipment

AIR INLET SYSTEM
  • Aftercooler - sea water, corrosion resistant.
  • Air cleaner/fumes disposal (closed system).
  • Turbocharger, jacket water cooled
  • Standard with both front-down and rear-down aftercooler condensate drains (1150 MHP and 1015 MHP).
  • Standard rear-down aftercooler condensate drain, optional front-down(930 MHP).

CONTROL SYSTEM
  • Electronic governing (A4 ECM)
  • Cold mode start strategy
  • Programmable low idle
  • Electronic diagnostics and fault logging
  • Engine and transmission monitoring (speed, temperature, pressure)
  • Fuel/air ratio control

COOLING SYSTEM
  • Thermostat and housing
  • Jacket water pump, gear driven
  • Sea water pump, rubber impeller, self-priming
  • Heat exchanger - Titanium plate with integral expansion tank and thermostat hsg (fully open temp 92C)
  • Integral fuel cooler
  • Coolant recovery system

EXHAUST SYSTEM
  • Manifold & Turbocharger, watercooled
  • 114.3 mm (4.5 in) ID flanged exhaust outlet

FLYWHEELS & FLYWHEEL HOUSINGS
  • Flywheel, SAE No. 1, 113 teeth
  • Flywheel housing, SAE No. 1
  • SAE standard rotation

FUEL SYSTEM
  • Fuel filter, RH service on Port, LH service on Starboard
  • Fuel transfer pump
  • Fuel priming pump
  • Flexible fuel lines

INSTRUMENTATION
  • Instrument panel (24volt only):
  • Start/stop switch
  • Emergency stop button
  • Diagnostic light
  • 10 amp breaker
  • Start motor magnetic switch

LUBE SYSTEM
  • Crankcase breather
  • Oil cooler
  • Oil filter, spin-on, low profile, RH service on Port, LH service on Starboard
  • Oil pan, center sump
  • Oil filler
  • Dipstick, RH service on Port, LH service on Starboard
  • Oil pump, gear driven

MOUNTING SYSTEM
  • Front support - adjustable

POWER TAKE-OFFS
  • Hydraulic pump drive, SAE A, 11 tooth spline, 46 ft-lbs max torque, counterclockwise as viewed from the front of the engine looking into the drive and it turns 1.41 x engine speed Crankshaft pulley, 292 mm (11.5 in) two groove, 15.88 mm (.63 in) width

PROTECTION SYSTEM
  • A4 ECM Electronic Monitoring System provides customer programmable engine de-rate strategies to protect against adverse operating conditions

GENERAL
  • Vibration damper
  • Lifting eyes
  • RH or LH service options
  • Literature
  • Upper rear-facing customer wiring connector and Service Tool connection.

C18 ACERT Tier 2 Recreational Optional Equipment

AIR INLET SYSTEM
  • Aftercooler Condensate Drain

CHARGING SYSTEM
  • Battery Chargers

COOLING SYSTEM

EXHAUST SYSTEM
  • Dry Elbows
  • Flexible Fitting
  • Muffler
  • Muffler Spark Arresting
  • Flange

FUEL SYSTEM
  • Primary Fuel Filters
  • Water Separator

GENERAL
  • Filter Cover Kit

INSTRUMENTATION
  • OEM Wiring Harness
  • Engine to Engine Harness
  • Instrument Panels
  • Wiring Harness
  • TRANSMISSION SENSORS

LUBE SYSTEM
  • Transmission Oil Cooler

MOUNTING SYSTEM
  • Vibration Isolators

POWER TAKE-OFFS
  • Crankshaft Pulleys

STARTING SYSTEM
  • Starting Aids
  • Battery Sets - 24 Volt - Dry

GENERAL
  • Guards
  • Tool set

LITERATURE

DECALS

PACKING
  • Engine Protective Cover
  • Storage Preservation
  • Export Packing

Cat® Dealer Service

Buy any piece of Cat® equipment and also get the full support and commitment of your local Cat Dealer.

Contact your local dealer
Extended Warranty and Support

Caterpillar offers a variety of integrated solutions to help you protect your investment, minimize owning and operating costs, and maximize up-time.

Learn More