CAT® C9 ACERT™ INDUSTRIAL DIESEL ENGINE
The Cat® C9 ACERT™ Industrial Diesel Engine is offered in ratings ranging from 205-280 bkW (275-375 bhp) @ 1800-2200 rpm. These ratings meet China Stage II, EPA Tier 3 equivalent, and EU Stage IIIA equivalent emission standards. Industries and applications powered by C9 ACERT engines include Agriculture, Ag Tractors, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Combines/Harvesters, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Dredgers, Forestry, Forklifts, General Industrial, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Shovels/Draglines, Specialty Ag Equipment, Sprayers, Surface Hauling Equipment, Trenchers and Underground Mining Equipment.
power rating
Minimum Power205.0 bkW
Maximum Power280.0 bkW
Rated Speed1800-2200 rpm


emission standards
EmissionsChina Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
general
Engine ConfigurationInline 6, 4-Stroke-Cycle Diesel
Bore112 mm (4.41 in)
Stroke149 mm (5.87 in)
Displacement8.8 L (537.01 in³)
AspirationTurbocharged Aftercooled (TA)
Compression Ratio16.1:1
Combustion SystemDirect Injection
Rotation (from flywheel end)Counterclockwise
Lube System (refill)32 L (33.8 qt)
engine dimensions approximate final dimensions dependent on selected options
Length1091 mm (43 in)
Width827 mm (32.6 in)
Height1023 mm (40.3 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 864 kg (1905 lb)
C9 ACERT™ STANDARD EQUIPMENT
- air inlet system
Turbocharged
Air-to-Air Aftercooled - control system
Electronic governing, PTO speed control
Programmable ratings
Automatic altitude compensation
Power compensation for fuel temperature
Programmable low and high idle and total engine limit
Electronic diagnostics and fault logging
Engine monitoring system SAE J1939 broadcast and control
ADEM™ A4 Electronic Control Unit (ECU) - cooling system
Thermostats and housing, vertical outlet
Jacket water pump, centrifugal
Water pump, inlet - exhaust system
Exhaust manifold, dry
Optional exhaust outlet - flywheels and flywheel housing
SAE No. 1 flywheel housing - fuel system
HEUI™ injection
Fuel filter, secondary (2 micron)
ACERT™ Technology
Fuel transfer pump
Fuel priming pump - lube system
Crankcase breather
Oil cooler
Oil filler
Lube oil filter
Front sump oil pan
Oil dipstick
Gear driven oil pump - general
Vibration damper
Lifting eyes
Cold start capability to -20° C (-4° F)
Paint: Caterpillar yellow, with optional colors available at request