CAT® C4.4 ACERT™ DIESEL ENGINE
The Cat® C4.4 ACERT Industrial Diesel Engine is offered in ratings ranging from 61.5-106 bkW (82.5-142 bhp) @ 2200 rpm. These ratings meet EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Industries and applications powered by C4.4 ACERT engines include: Agriculture, Aerial Lifts, Aircraft Ground Support, Bore/Drill Rigs, Chippers/Grinders, Compactors/Rollers, Compressors, Construction, Cranes, Crushers, Feller Bunchers, Forestry, Forklifts, General Industrial, Harvesters, Hydraulic Power Units, Irrigation Equipment, Loaders/Forwarders, Material Handling, Mining, Mobile Earthmoving Equipment, Mobile Sweepers, Paving Equipment, Pumps, Skidders, Specialty Ag Equipment, Sprayers, Trenchers, Turf and Landscaping and Underground Mining Equipment.
power rating
Minimum Power61.5 bkW
Maximum Power106.0 bkW
Rated Speed2200 rpm


emission standards
EmissionsChina Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent
general
Engine ConfigurationInline 4, 4-Stroke-Cycle Diesel
Bore105 mm (4.13 in)
Stroke127 mm (5.0 in)
Displacement4.4 L (269 in³)
AspirationTurbocharged (T) or Turbocharged Aftercooled (TA)
Compression Ratio16.2:1
Combustion SystemDirect Injection
Rotation (from flywheel end)Counterclockwise
Lube System (refill)11 L (11.6 qt)
engine dimensions approximate final dimensions dependent on selected options
Length631 mm (24.8 in)
Width626 mm (24.65 in)
Height823.5 mm (32.4 in)
Weight, Net Dry (Basic Operating Engine Without Optional Attachments) 360 kg (793.7 lb)
C4.4 ACERT™ STANDARD EQUIPMENT
- air inlet system
Inlet manifold with choice of inlets. - control system
Alternator
Starter motor
Glow plug starting aid - cooling system
- flywheels and flywheel housing
SAE No. 3 flywheel housing
Flywheel and starter rings - fuel system
Fuel filter positions - lube system
Lubricating oil filters and breathers
Oil filter positions
Lube oil sump - power take off
SAE B Power Take Off (PTO) - general
Paint: Caterpillar yellow, with optional colors available at request
Timing case and gear-driven auxiliaries
Belt-driven auxiliaries
Engine mountings
Gauges
Displays
Power and torque curve tailoring