Cat C4.4 ACERT

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Specifications

Generator Set Specifications
Minimum Rating 58R ekW (50 Hz), 51R ekW (60 Hz)
Maximum Rating 88R ekW (50 Hz), 105R ekW (60 Hz)
Frequency 50 Hz or 60 Hz
Speed 1500 rpm or 1800 rpm
Engine Specifications
Aspiration TA
Bore 4.13 in
Stroke 5 in
Displacement 269 in³
Governor Type Electronic
Engine Model I-4, 4-Stroke-Cycle-Diesel
Generator Set Configurations
Emissions/Fuel Strategy U.S. EPA Tier 3 / CCNR Stage 2
Generator Set Dimensions
Weight 2518-2844 lb (1142 - 1290 kg)
Length 66.9-69.6 in (1699-1769 mm), 80.2R in (2037R mm)
Width 37.6 inches (radiator - 38.8 inches)
Height 2518-2844 lb (1141-1290 kg), 3389R lb (1537R kg)
Generator Specifications
Excitation AREP
Pitch 2/3
Number of Leads 12-lead reconnectable
Insulation Class H
IP Rating IP23
Voltage Regulator ±0.5%

Features

Noise Reduction

Noise Reduction
New block for low noise and vibrations, Insulated timing case cover, Isolated oil pan (also provides ease of maintenance), Improved pump and gear train system, Stiffer crankshaft, Multiple fuel injection strategy, 4 valve cross flow head, Double curvature on thick walled crankcase, Piston optimized for high speed operation

Hydraulic Tappets

Hydraulic Tappets
Hydraulic tappet adjustment removes the need for manual tappet adjustment, that on the 1006 (C6.6) needed to happen every 500 hours. This system is operated by oil pressure, and this saves the customers a considerable amount of cost from an Operating perspective.

Improved Smoke Levels

Improved Smoke Levels
Improved smoke levels from C4.4 mechanical engine

Serpentine belts to achieve longer service intervals

Serpentine belts to achieve longer service intervals
These belts are more efficient, as they provide more drive surface. Less heating is created during running, and the belt will also last longer. The poly V belt cannot twist over like a single V belt, and any wear of the poly V belt becomes apparent a long time before failure.

Integrated Base Frame

Integrated Base Frame
Suitable for wide range of auxiliary accessories

Gear Driven water pumps

Gear Driven water pumps
Lower servicing costs, reduced down time

Water-cooled turbo

Water-cooled turbo
Suitable for “gas tight” applications

Tailored Technology

Tailored Technology
Meets customer requirements in: voltage, cooling, twin pocket fly wheel housing, and factory options for starting

Caterpillar package

Caterpillar package
Fully packaged generator set

Advanced fuel and combustion system with 4 valves per cylinder

Advanced fuel and combustion system with 4 valves per cylinder

Lube System

Lube System
Oil system holds 11L (2.8 gal), 500-hour oil change interval, Max continuous operation angle is 25⁰ (any direction), Max intermittent operation angle 30⁰ (any direction), Simplex and Duplex oil filters options available

Design Features

Design Features
Control panel standard on LHS with single leg box, Control panel location interchangeable between 3 positions available as option

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