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C4.4 ACERT™

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Overview

Cat® C4.4 ACERT Industrial Diesel Engines offer the perfect balance of durability, fuel efficiency and low emissions. Extensively tested on the job, these engines use a range of Common Rail fuel systems and advanced control systems to deliver maximum uptime in the harshest environment. They have proven they can handle the toughest applications and deliver superior performance that exceeds the expectations of the most demanding users. 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. C4.4 ACERT engines, with ratings: 74.5-106 bkW (100-142 bhp) @ 2200 rpm, meet EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. They are available using U.S. EPA and EU Flexibility, and for other regulated and non-regulated areas.

Power Rating

Units:
Minimum Power 82.5 BHP 61.5 bkW Less
Maximum Power 142.0 BHP 106.0 bkW Less
Rated Speed 2200 rpm 2200 rpm Less

Emission Standards

Emissions China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent China Nonroad III, U.S. EPA Tier 3 Equivalent, EU Stage IIIA Equivalent Less

General

Engine Configuration Inline 4, 4-Stroke-Cycle Diesel Inline 4, 4-Stroke-Cycle Diesel Less
Bore 105 mm (4.13 in) 105 mm (4.13 in) Less
Stroke 127 mm (5.0 in) 127 mm (5.0 in) Less
Aspiration Turbocharged (T) or Turbocharged Aftercooled (TA) Turbocharged (T) or Turbocharged Aftercooled (TA) Less
Displacement 4.4 L (269 in³) 4.4 L (269 in³) Less
Compression Ratio 16.2:1 16.2:1 Less
Combustion System Direct Injection Direct Injection Less
Rotation from Flywheel End Counterclockwise Counterclockwise Less
Lube System - Refill 11 L (11.6 qt) 11 L (11.6 qt) Less

Engine Dimensions - Approximate

Height 823.5 mm (32.4 in) 823.5 mm (32.4 in) Less
Length 631 mm (24.8 in) 631 mm (24.8 in) Less
Weight - Net Dry - Basic Operating Engine Without Optional Attachments 360 kg (793.7 lb) 360 kg (793.7 lb) Less
Width 626 mm (24.65 in) 626 mm (24.65 in) Less

Emissions

Designed to meet China Nonroad III emission standards. Meets U.S. EPA Tier 3 equivalent, EU Stage IIIA equivalent emission standards. Available using U.S. EPA Flexibility or EU Flexibility, and for other regulated and non-regulated areas.

Fuel & Oil

Tier 4 Interim or Tier 4 Final, Stage IIIB or Stage IV engines require Ultra Low Sulfur Diesel (ULSD) fuel containing a maximum of 15 ppm sulfur, and new oil formulations to support the new technology. Cat® engines are designed to accommodate B20 biofuel. Your Cat dealer can provide more information regarding fuel and oil.

Package Size

Ideal for equipment with narrow engine compartments. Multiple installation options minimize total package size.

Quality

Every Cat engine is manufactured to stringent quality standards in order to assure customer satisfaction.

C4.4 ACERT™ Standard Equipment

Air Inlet System
  • Inlet manifold with choice of inlets.

Control System
  • Alternator
  • Starter motor
  • Glow plug starting aid

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

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