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Mixkret 4

Reliable Concrete Mixer for Mining Operations

The Putzmeister Mixkret 4 is designed to complete the concrete spraying process in underground mining. The concrete mixing drum has a maximum concrete capacity of 5.2 yd³ (4 m³) and the engine with 176 HP (130 kW) provides great climbing and movement power.

Key Features

  • Safety first: automatic speed regulation system enables full-load traveling at the maximum safe speed
  • Mixing drum with a capacity of up to 5.2 yd³ (4 m³)
  • Integrated Continuously Variable Drive (ICDV) ensures the correct relationship between engine torque and speed
  • Reliable and stable behaviour thanks to low position of gravity center of the mixing drum
  • Operation at high altitude: AAC (Automatic Altitude Compensation) system for stable engine performance
  • Great mobility and maneuvrability in low tunnels
  • Front working lights and protective grid
  • Reduced fuel consumption and noise levels
  • Available with liquid additive discharging system

Technical Details

General Information

  • Length x Width x Height
    21" x 7" x 8 "
  • Weight
    21826 lbs
  • Ground Clearance
    1' 6 "
  • Wheelbase
    11 "
  • Max. Longitudinal Gradient while Driving
    30 %
  • Inner Turning Radius
    8 "
  • Outer Turning Radius
    19 "
  • Engine Power
    174/2200 rpm hp
  • Max. Speed
    12.4 mph
  • Diesel Tank
    42 gal
  • Max. Concrete Capacity
    5.2 yd³
  • Concrete Discharge Height
    3.2 - 4.7 ft ' "

Brochures & Spec Sheets