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CP11 GC Vibratory Soil Compactor

The GC-Series Vibratory Soil Compactors deliver dependable, economical production with performance that exceeds expectations.

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  • Operating Weight - With Cab 25009 lb
  • Compaction Width 84 in
  • Weight - Drum with Cab 14231 lb
  • Turning Radius - Inside Drum Edge 12.7 ft

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  • Operating Weight - With Cab
    25009 lb
  • Weight - Drum with Cab
    14231 lb
  • Operating Weight - With ROPS/FOPS
    25109 lb
  • Weight - Drum with ROPS/FOPS
    14084 lb
  • Weight - Drum with ROPS/FOPS Canopy
    13988 lb
  • Operating Weight - With ROPS/FOPS Canopy
    24769 lb

Operating Specifications

  • Compaction Width
    84 in
  • Turning Radius - Inside Drum Edge
    12.7 ft
  • Ground Clearance
    20.4 in
  • Travel Speed - Maximum
    6.8 mile/h
  • Curb Clearance
    19.4 in


  • Gross Power
    120.7 HP
  • Engine Model
    Cat C3.6
  • Net Power - ISO 9249
    112.2 HP
  • Net Power - SAE J1349
    111.2 HP
  • Stroke
    4.7 in
  • Bore
    3.9 in


  • Overall Length
    18.7 ft
  • Drum Diameter
    60.4 in
  • Optional Blade Height
    27.1 in
  • Overall Length - With Blade Option
    21 ft
  • Drum Width
    84 in
  • Wheel Base
    9.8 ft
  • Overall Width - With Blade Option
    8.25 ft
  • Drum Diameter - Over Pads
    61 in
  • Overall Width
    7.5 ft
  • Height - With ROPS/FOPS or Cab
    9.8 ft

Vibratory System

  • Centrifugal Force - Maximum
    55932 lb
  • Nominal Amplitude - High
    0.071 in
  • Nominal Amplitude - Low
    0.071 in
  • Centrifugal Force - Minimum
    33249 lb
  • Vibratory Frequency - Standard
    30.5 Hz (1830 vpm)
  • Variable Frequency Option Range
    23.3 - 30.5 Hz (1400-1830 vpm)


  • Tires
    23.1 x 26

Service Refill Capacities

  • Fuel Tank Capacity
    56.3 gal (US)

Comfortable and Ergonomic Operator Station

  • The steering console features an LCD display. The display provides diagnostics and additional data to the operator. Machines that are equipped with Cat Compaction Control output compaction measurements to the display as well.
  • A multi-position steering wheel adjusts for comfort. An adjustable vinyl seat with seat belt is comfortable and keeps controls and operating information within easy reach. The 12-volt adapter provides power for personal electronic devices. A floor mat reduces vibrations. Cup holders are provided on the steering column. Large mirrors provide excellent views to the rear of the machine.
  • The operator is provided with excellent visibility to the front, drum edges rear tire edges and rear of machine enhancing safety and production. Optional mirrors provide enhanced visibility to the rear.

Power Train

  • The GC-Series Vibratory Soil Compactors feature a Cat engine that offers enhanced efficiency, better serviceability, ample power, and less noise.

Technologies that Enhance Quality and Productivity

  • Cat Compaction Control can be augmented by adding an optional Global Navigation Satellite System (GNSS) mapping antenna and a dedicated display unit, which provides SBAS-level accuracy and allows the operator to visually monitor results, map them to locations and save the data for analysis or documentation purposes. An RTK GNSS mapping capability is also available that provides greater accuracy than SBAS.
  • Machine Drive Power (MDP) is an exclusive technology only available from Caterpillar. MDP indicates soil stiffness by measuring rolling resistance. It is effective on all soil types, and can function when the drum is static or vibrating. MDP measures closer to depth of the lifts of materials being compacted, around 30-60 cm (1-2 ft) deep. MDP is a flexible technology because it can be used on all soil types which allows results to be correlated with portable measuring equipment such as lightweight falling deflectometers and nuclear gauges. Because it does not require the drum to vibrate, there is less risk of de-compaction when used for proofrolling.

Easy to Service

  • Design provides ground level access to all service and maintenance points.
  • Long service intervals contribute to more productivity and lower owning and operating costs. The vibratory system scheduled oil change interval is 3 years/3,000 hours. The hydraulic oil service interval is 3,000 hours. Engine oil service is every 500 hours.

Reliable Vibratory System

  • The GC-Series vibratory soil compactors deliver excellent compaction performance due to high amplitude and static linear load.
  • The GC-Series utilizes the proven Cat pod-style vibratory system. The system design significantly reduces the risk of contamination common to conventional designs that employ metal weights. Providing unrivaled reliability and performance, the Cat pod-style vibratory system is virtually maintenance free, with the first scheduled maintenance period at 3 years or 3,000 hours.
  • An automatic vibration function provides consistency for more uniform compaction. When vibration is engaged, vibration will cease as the compactor slows beneath a predetermined speed. When propel resumes, vibration recommences at a predetermined speed. This feature contributes to uniform, high-quality work.
  • Smooth drums are ideal for compacting granular materials and can be equipped with an optional padfoot shell kit for compacting cohesive and semi-cohesive materials.

Standard Equipment:

  • Operator Environment
    • 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
  • Vibratory System
    • Padfoot Drum
    • Dual Amplitude, Single Frequency
    • Dual Pod-Style Eccentric Weight Housings
    • Auto-vibe Function
    • Front Adjustable Steel Scraper
  • Power Train
    • 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
  • Electrical
    • 24 volt Electrical System
    • 100 ampere Alternator
    • 750 Cold-cranking Amps Battery Capacity
  • Other
    • Product Link
    • Sight Gauges for Hydraulic Oil Level and Radiator Coolant Level
    • SOSâ„  Sampling Valves: Engine Oil, Hydraulic Oil and Coolant

Optional Equipment:

  • Operator Environment
    • ROPS/FOPS Cab with Climate Control, Cloth Seat
    • Internal Rear View Mirror
    • External Rear View Mirrors
    • Sun Visor
    • Cab Internal Roll-down Sun Screen
  • Vibratory System
    • Leveling Blade
    • Variable Frequency
    • Dual Adjustable Steel Scrapers
  • Power Train
    • Transmission Guard
  • Technology Solutions
    • Measure - Machine Drive Power
    • Map - SBAS GNSS Mapping
    • Connect - Cloud and Machine Connectivity
  • Other
    • Upgraded Halogen Light Package
    • Amber Rotating Beacon
    • Fuel Fill Access Door
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