Cilindri compactori cu doi tamburi Cat® CD44B - Solid Drum

The Cat® CD44B is an 8 ton roller with 1500 mm (59") tandem vibratory drums. It excels on a variety of asphalt mix designs as well as other granular materials. It features exceptional visibility and control, smooth operating powertrain, versatile vibratory systems, Cat Compaction Control, and the industry leading water spray system.

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Exceptional Visibility and Control

Comfortable Operating Station

The machine controls and LCD display are integrated with the pivoting adjustable seat, and move with the operator. Seating options include vinyl for open-platform configurations and cloth for cab, both can be equipped with a heated option. An optional deluxe highback air-ride seat is also available. Other comfort features include a vibration-absorbing floor mat, 12-volt power receptacle that supports communication devices, wide-width seat belt, cup holders and a lockable storage compartment.

Fingertip Control

The multi-function propel lever with integrated controls for water spray on/off, drum offset, vibratory control, and optional edge cutter height adjustment enables the operator to work with confidence.

LCD Display

The back-lit LCD display includes machine data and diagnostics. It is integrated with the seat, so it remains in same position even as the seat pivots. A built-in lockable anti-vandalism cover offers protection. The display provides multiple language options, split-screen capability, and indicators for ground speed, vibrations per minute, and fuel level.

Convenient Console

The console is integrated with the seat, providing fingertip access. Soft keys with tactile feel provide instant feedback to the operator for intuitive operation. The armrests are adjustable and can be tailored to the operator for additional comfort.

Vibratory System Choices

Solid Drum Design

The solid drum design is a cost-effective solution that offers a variety of frequency's to match specific paving practices.

Performance Features

The vibratory systems offer multiple options that help fine-tune performance on thick challenging lifts. The automatic speed control feature makes it easier to maintain consistency and impact spacing requirements. Also, an auto vibe function helps prevent over-compaction and contributes to uniformity.

Dual Amplitude/Dual Frequency Vibratory System

The dual amplitude, dual frequency vibratory system can be tailored to thin and thick lifts. A single switch automatically matches amplitude and frequency for simple operation.

Cat® Compaction Control

Temperature Sensors

Dual infra-red sensors mounted on the front and rear of the machine deliver real-time readings that keep the operator informed of when to begin rolling and when to stop. This system helps operators avoid tender-zones that often occur in the 104º-110º C (219º-230º F) temperature range.

Pass-Count Mapping

Pass-count mapping helps operators achieve target density and increase roller efficiency. The system records and monitors pass patterns in order to display coverage. The system also helps operators optimize drum overlap, simplify nighttime operation, eliminate second guessing and prevent incomplete passes such as stopping short.

Temperature Mapping

Temperature mapping provides a visual readout of mat temperature in order to keep the machine in the proper temperature range. The system records and monitors temperature for future analysis of the proper temperature range.

Smooth Operating Powertrain

Cat® C3.4B Engine

The C3.4B engine provides 75 kW (102 hp) of power and meets U.S. EPA Tier 4 Interim and EU Stage IIIB emission standards. It features an electronic control module (ECM), providing optimal performance through precisely synchronized timing and fuel delivery. The ECM enables advanced troubleshooting and diagnostic capabilities using Electronic Technician (Cat ET). Cat dealers are the single-source providers of all machine and engine warranty service (a Cat exclusive).

High Capacity Cooling System

The large capacity cooling system keeps the operating temperatures low, even in extreme conditions. The high capacity fans direct warm air away from the operator for a more comfortable operating environment.

Specificatii tehnice

SPECIFICATII TEHNICE

Weights
Operating Weight 7400 kg
Operating Weight - At Rear Drum with ROPS/FOPS 3620 kg
Operating Weight - At Front Drum with ROPS/FOPS 3580 kg
Operating Weight - With Cab 7400 kg
Operating Weight - With ROPS/FOPS 7200 kg
Maximum Weight at Front Drum 3720 kg
Maximum Weight at Rear Drum 3680 kg
Operating Specifications
Standard Compaction Width 1500 mm
Curb Clearance 663 mm
Turning Radius - Inside Drum Edge 2941 mm
Ground Clearance 273 mm
Maximum Compaction Width 1670 mm
Static Linear Load 24.8 kg/cm
Travel Speed - Maximum 12 km/h
Engine
Gross Power 75 kW
Bore 99 mm
Stroke 110 mm
Engine Model Cat® C3.4B with ACERT Technology
Dimensions
Overall Length 4284 mm
Wheel Base 3120 mm
Height - With ROPS/FOPS 2940 mm
Compaction Width 1500 mm
Overall Width 1664 mm
Drum Diameter 1108 mm
Drum Width 1500 mm
Vibratory System
Drum Width 1500 mm
Drum Diameter 1106 mm
Frequency 63.3 Hz
Vibration Selection Independent per drum, front only, rear only, both
Eccentric Weight Drive Hydraulic direct, auto reversing
Nominal Amplitude - Low 0.31 mm
Centrifugal Force per Drum - Minimum 43.2 kN
Centrifugal Force per Drum - Maximum 78.3 kN
Nominal Amplitude - High 0.65 mm
Service Refill Capacities
Fuel Tank Capacity 135 l
Water Spray Tank Capacity 600 l
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