CAT® C4.4 ACERT DIESEL ENGINE
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: 65.9-129.4 bkW (88.4-173.5 bhp) @ 2200 rpm, meet U.S. EPA Tier 4 Interim, EU Stage IIIB emission standards and are designed to meet U.S. EPA Tier 4 Final, EU Stage IV emission standards. This information about Emissions describes the particular rating's emissions technology. For more information about emissions certification, please contact your local Cat dealer.
puissance nominale
Minimum Power65.9 bkW
Puissance maximale129.4 bkW
Fréquence2 200 tr/min


normes sur les emissions
ÉmissionsU.S. EPA Tier 4 Interim or U.S. EPA Tier 4 Final, EU Stage IIIB or EU Stage IV
general
Engine ConfigurationDiesel 4 cylindres en ligne, cycle à 4 temps
Alésage105 mm (4,13 in)
Course127 mm (5.00 in)
Cylindrée4,4 l (268,5 in³)
AspirationTurbocharged Aftercooled (TA) or Series Turbocharged Aftercooled (TTA)
Taux de compression16.5:1
Système de combustionInjection directe
Rotation (côté volant)Sens inverse d'horloge
Cooling System Capacity10.8 L (11.4 qt)
Lube System (refill)5,2-13,5 l (5,5-14,27 US qt)
engine dimensions approximate final dimensions dependent on selected options
Longueur845.1 mm (33.3 in)
Largeur741.6-772.4 mm (29.1-30.4 in)
Hauteur848.2-867.6 mm (33.4-34.1 in)
Weight - Net Dry (Basic Operating Engine Without Optional Attachments)400-450 kg (881.8-992 lb)
aftertreatment dimensions approximate final dimensions dependent on selected options
Longueur647-828 mm (25.5-32.6 in)
Largeur365-695 mm (14.3-27.4 in)
Hauteur279-430 mm (11-16.9 in)
Poids34-80 kg (75-17;6.4 lb)
Diamètre224.9-270.3 mm (9.6-10.6 in)
C4.4 ACERT™ EQUIPEMENT STANDARD
- air inlet system
Standard air cleaners - systeme de commande
Full electronic control system, all connectors and wiring looms waterproof and designed to withstand harsh off-highway environments
Flexible and configurable software features and well-supported SAE J1939 CAN bus enables highly integrated machines - circuit de refroidissement
Top tank temperature 108° C (226° F) as standard to minimize cooling pack size
50:50 water glycol mix - flywheels and flywheel housing
Wide choice of drivetrain interfaces, including SAE No. 2 and SAE No. 3 configurations - circuit de carburant
Electronic high pressure common rail
ACERT Technology
Innovative filter design to ensure maximum protection of the engine - systeme de lubrification
Wide choice of sumps for different applications - power take off
SAE A and SAE B flanges on left-hand side. Additional SAE A flange available on left-hand side. Engine power can also be taken from the front of the engine on some applications. Factory fitted compressors are also available. - general
Available with or without a balancer
Paint: Caterpillar yellow, with optional colors available at request - us epa tier 4 interim eu stage iiib aftertreatment clean emissions control equipment
Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
No ash service requirement
Passive regeneration - us epa tier 4 final eu stage iv aftertreatment clean emissions control equipment
Clean Emissions Module (CEM), consisting of Diesel Particulate Filter (DPF) and Diesel Oxidation Catalyst (DOC)
Réduction catalytique sélective (RCS)
3" flex pipe connection with straight, 45°, and 90° options for flexibility