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CB8 Tandem Vibratory Roller
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The Cat® CB8 is an 8 ton roller with 1700 mm (67") tandem vibratory drums. Its lighter weight offers additional transport options with its wider drum increases compaction coverage.

Specifications
Features

Service Refill Capacities

Fuel Tank Capacity
55.0 gal
Water (Spray) Tank Capacity
196.0 gal

Dimensions

Overall Length
177.0 in
Wheelbase
130.0 in
Height with ROPS/FOPS
117.0 in
Overall Width
73.0 in
Drum Diameter
43.0 in

Engine

Gross Power
100 hp
Engine Model
Cat® C3.4B with ACERT Technology

Weights

Operating Weight
20878 lb
Operating Weight at Rear Drum with ROPS/FOPS
18783 lb
Operating Weight at Front Drum with ROPS/FOPS
20343 lb
Operating Weight with cab
19224 lb

Operating Specifications

Standard Compaction Width
67.0 in
Maximum Compaction Width
73.0 in
Static Linear Load
143 lb/in
Travel Speed - Maximum
7.5 mph

Vibratory System

Drum Width
67.0 in
Vibration Selection
Independent per drum, front only, rear only, both
Centrifugal Force per Drum - Maximum
17603 lb
Centrifugal Force per Drum - Minimum
6789 lb
Nominal Amplitude - High
0.022 in
Nominal Amplitude - Low
0.01 in
Exceptional Visibility and Control

Exceptional Visibility and Control

The CB8 Tandem Vibratory Roller offers unobstructed sight lines with standard 180° seat positioning for excellent visibility. Also, drum edge and drum surface lighting provide better lighting for nighttime operation. The innovative handwheel steering technology eliminates the front console that is commonly found on other machines for precise machine 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 the 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

Vibratory System Choices

Cat Tandem Vibratory Rollers quickly reach target densities due to their versatile frequency and amplitude selections. These powerful rollers also provide finesse when necessary due to their flexible front or rear drum only vibratory capability. Options include dual amplitude/dual frequency and five amplitude systems.

2-Amplitude/2-Frequency Vibratory System

The 2-amplitude, 2-frequency vibratory system can be tailored to thin and thick lifts. A single switch automatically matches amplitude and frequency for simple operation.

5-Amplitude Vibratory System

The 5-amplitude system is a heavy hitter for thick lifts and tough mix designs. It utilizes a single frequency and five amplitudes that can easily be fine-tuned to match application requirements.

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.

Cat® Compaction Control

Cat® Compaction Control

The optional Cat Compaction Control helps contractors increase efficiency and productivity while recording data for quality control documentation and future planning.

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

Smooth Operating Powertrain

The CB8 tandem roller is powered by a Cat® engine with ACERT™ Technology. The engine includes a variety of features that help reduce fuel burn, including Eco-mode, yet still deliver the power required on challenging jobsites. Tough components help extend compactor life.

Cat® C3.4B Engine

The C3.4B engine provides 75 kW (100 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 fan directs warm air away from the operator for a more comfortable operating environment.