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CD44B Drum Steer Tandem Vibratory Roller (Split Drum)

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Overview

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....
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.
Vibratory System Choices
Split Drum Design The exclusive split-drum design delivers excellent mat quality in urban environments when frequent turning is required. When turning, the outside drum half rotates faster than the inside drum, eliminating the potential for shoving and tearing that occurs on standard vibratory drum designs. The excl...
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 an...
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.
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.
Vibratory System Choices
Split Drum Design The exclusive split-drum design delivers excellent mat quality in urban environments when frequent turning is required. When turning, the outside drum half rotates faster than the inside drum, eliminating the potential for shoving and tearing that occurs on standard vibratory drum designs. The exclusive axle-type pod design utilizes tapered roller bearings that support each drum half and eliminates any potential for contact between the two halves.
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.
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.
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Service Refill Capacities

Water Spray Tank Capacity
159gal (US)
Fuel Tank Capacity
36gal (US)

Vibratory System

Nominal Amplitude - Low
0.012in
Centrifugal Force per Drum - Minimum
13309lb
Centrifugal Force per Drum - Maximum
17602lb
Nominal Amplitude - High
0.024in
Vibration Selection
Independent per drum, front only, rear only, both
Eccentric Weight Drive
Hydraulic direct, auto reversing
Frequency
3200V/m
Drum Diameter
44in
Drum Width
59in

Dimensions

Drum Width
59in
Drum Diameter
43in
Compaction Width
59in
Overall Width
66in
Height - With ROPS/FOPS
116in
Wheel Base
123in
Overall Length
166in

Engine

Stroke
4.33in
Engine Model
Cat® C3.4B with ACERT Technology
Gross Power
102hp
Bore
3.89in

Operating Specifications

Maximum Compaction Width
111in
Travel Speed - Maximum
7.5mile/h
Static Linear Load
156lb/in
Ground Clearance
10in
Turning Radius - Inside Drum Edge
9.6ft
Standard Compaction Width
59in
Curb Clearance
26in

Weights

Maximum Weight at Rear Drum
9281lb
Operating Weight - With ROPS/FOPS
18056lb
Maximum Weight at Front Drum
9215lb
Operating Weight - At Front Drum with ROPS/FOPS
9061lb
Operating Weight - With Cab
18497lb
Operating Weight
18497lb
Operating Weight - At Rear Drum with ROPS/FOPS
8995lb

Standard/Optional Features

Standard Equipment:

Optional Equipment:

  • Cat® Compaction Control
  • Edge Cutter
  • ROPS/FOPS Cab
  • Water Distribution Mats
  • Cocoa Mats
  • Water Spray Freeze Protection Kit
  • High Intensity Discharge Lights
  • Warning Beacon
  • External Mirrors
  • Bio-Degradeable Oil
  • Product Link
  • Drum Edge Lighting Package
  • High Ambient Cooling System
  • Air Suspension Seat w/heat

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Drum Width
59 in
Drum Diameter
43 in
Compaction Width
59 in
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