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The CS56B Vibratory Soil Compactor combines world-class productivity with outstanding operator comfort while continuing the legacy of durability, reliability and ease-of-service that contractors worldwide have come to expect from Cat® machines.


Operating Weight - With Cab 25346.0 lb 11500.0 kg Less
Operating Weight - With ROPS/FOPS 24887.0 lb 11290.0 kg Less
Weight - Drum with Cab 13990.0 lb 6350.0 kg Less
Weight - Drum with ROPS/FOPS 13788.0 lb 6255.0 kg Less

Operating Specifications

Compaction Width 84.0 in 2134.0 mm Less
Ground Clearance 17.4 in 442.0 mm Less
Static Linear Load - With Cab 166.6 lb/in 29.8 kg/cm Less
Static Linear Load - With ROPS/FOPS 164.1 lb/in 29.3 kg/cm Less
Travel Speed - Maximum 7.0 mile/h 11.4 km/h Less
Turning Radius - Inside Drum Edge 12.08 ft 3.68 m Less


Gross Power 157.0 HP 117.0 kW Less
Engine Model Cat C4.4 with ACERT Cat C4.4 with ACERT Less


Drum Diameter 60.4 in 1534.0 mm Less
Drum Width 84.0 in 2134.0 mm Less
Height - With ROPS/FOPS or Cab 10.25 ft 3.11 m Less
Optional Blade Height 27.1 in 688.0 mm Less
Overall Length 19.25 ft 5.86 m Less
Overall Length - With Blade Option 21.0 ft 6.4 m Less
Overall Width 7.58 ft 2.3 m Less
Overall Width - With Blade Option 8.25 ft 2.5 m Less
Wheel Base 9.58 ft 2.9 m Less

Vibratory System

Centrifugal Force - Maximum 67600.0 lb 301.0 kN Less
Centrifugal Force - Minimum 31670.0 lb 141.0 kN Less
Nominal Amplitude - High 0.083 in 2.1 mm Less
Nominal Amplitude - Low 0.039 in 0.98 mm Less
Variable Frequency Option Range 23.3 - 30.5 Hz (1400-1830 vpm) 23.3 - 30.5 Hz (1400-1830 vpm) Less
Vibratory Frequency - Standard 30.5 Hz (1830 vpm) 30.5 Hz (1830 vpm) Less


Tires 23.1 x 26 23.1 x 26 Less

Service Refill Capacities

Fuel Tank Capacity 64.0 gal (US) 242.0 l Less

Cat Compaction Control Option

Reliable Power Train

Enhanced Vibratory System

Easy to Service

Comfortable Operator's Environment

Swear by Equipment Management

Fuel costs. Labor costs. Maintenance costs. They can all tax your patience. But with timely, accurate data, you can better manage your equipment to keep operating expenses in line. Cat® EMSolutions offers everything you need to control costs, help your guys work better, reduce risks and get more done every day.

See How