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CP56B Vibratory Soil Compactor

Operating Weight - With Cab

25707 lb

Compaction Width

84 in

Gross Power

157 HP


The CP56B provides exceptional performance for cohesive and semi-cohesive soil compaction applications.




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  • Weights
    Spec Value
    Operating Weight - With Cab 25707 lb
    Weight - Drum with ROPS/FOPS 14026 lb
    Weight - Drum with Cab 14231 lb
  • Operating Specifications
    Spec Value
    Compaction Width 84 in
    Turning Radius - Inside Drum Edge 12.08 ft
    Ground Clearance 17.9 in
    Travel Speed - Maximum 7 mile/h
  • Engine
    Spec Value
    Gross Power 157 HP
    Engine Model Cat C4.4 with ACERT
  • Dimensions
    Spec Value
    Optional Blade Height 27.1 in
    Overall Width - With Blade Option 8.25 ft
    Overall Length 19.25 ft
    Drum Width 84 in
    Overall Width 7.58 ft
    Drum Diameter - Over Pads 61 in
    Wheel Base 9.58 ft
    Drum Diameter 51 in
    Height - With ROPS/FOPS or Cab 10.25 ft
    Overall Length - With Blade Option 21 ft
  • Vibratory System
    Spec Value
    Centrifugal Force - Maximum 67600 lb
    Nominal Amplitude - Low 0.039 in
    Variable Frequency Option Range 23.3 - 30.5 Hz (1400-1830 vpm)
    Nominal Amplitude - High 0.083 in
    Centrifugal Force - Minimum 31670 lb
    Vibratory Frequency - Standard 30.5 Hz (1830 vpm)
  • Tires
    Spec Value
    Tires 23.1 x 26
  • Service Refill Capacities
    Spec Value
    Fuel Tank Capacity 64 gal (US)

Standard Equipment


  • ROPS/FOPS Canopy with Handrails/Guardrails, Floor Mat
  • Vinyl Adjustable Pivoting Seat with Integrated Console and LCD Display
  • Adjustable Tilting Steering Column with Integrated Cup Holders
  • Rear Vision Camera with Color Touchscreen Display
  • Seat Belt
  • 12-volt Power Outlet


  • Padfoot Drum
  • Dual Amplitude, Single Frequency
  • Dual Pod-Style Eccentric Weight Housings
  • Auto-vibe Function
  • Front Adjustable Steel Scraper


  • Cat C4.4 Diesel Engine
  • Air Cleaner, Dual Element
  • Three-Speed Throttle Switch, Eco-mode and Automatic Speed Control
  • Dual Propel Pumps; One for Drum Drive, One for Rear Axle
  • Fuel Filter, Water Separator, Priming Pump, Water Indicator
  • Tilting Radiator/Hydraulic Oil Cooler
  • Dual Braking System


  • 24 volt Electrical System
  • 100 ampere Alternator
  • 750 Cold-cranking Amps Battery Capacity


  • Product Link™
  • Sight Gauges for Hydraulic Oil Level and Radiator Coolant Level
  • S•O•S℠ Sampling Valves: Engine Oil, Hydraulic Oil and Coolant

Optional Equipment


  • ROPS/FOPS Cab with Climate Control, Cloth Seat
  • Internal Rear View Mirror
  • External Rear View Mirrors
  • Sun Visor
  • Cab Internal Roll-down Sun Screen


  • Leveling Blade
  • Variable Frequency
  • Dual Adjustable Steel Scrapers


  • Transmission Guard


  • Measure - Machine Drive Power
  • Map - SBAS GNSS Mapping
  • Connect - Cloud and Machine Connectivity


  • Upgraded Halogen Light Package
  • Amber Rotating Beacon
  • Fuel Fill Access Door