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GRW 21

Rubber-wheeled roller

  • Features

    • Two-point steering; good stability,
    • Pressure distribution 1:1 and uniform weight distribution on each tyre,
    • 50-mm tyre overlap on both sides,
    • Simple operation, convenient maintenance,
    • Soft, continuously variable driving thanks to hydrodynamic gearbox,
    • 20 km/h transport speed, excellent construction site mobility,
    • Range of ballast variations
  • imperial measures metric measures

    Technical data

    Weights
    Basic weight no cab, without ROPS #Group-Position:1#Position:1 kg 20610 lbs 45445,05
    Operat. weight with cab, with ROPS #Group-Position:1#Position:2 kg 21370 lbs 47120,85
    Operating weight, max. #Group-Position:1#Position:3 kg 28000 lbs 61740
    Axle load, front/rear #Group-Position:1#Position:4 kg 10035/11640 lbs 22127,17/25666,2
    Load per tyre, front/rear #Group-Position:1#Position:5 kg 2508,75/2910 lbs 5531,79/6416,55
    French classific., data/class #Group-Position:1#Position:6 29,1/P1 29,1/P1
    Machine dimensions
    Max. working width #Group-Position:2#Position:1 mm 1986 in 78,19
    Turning radius, inside #Group-Position:2#Position:2 mm 5900 in 232,28
    Size of tyres, front/rear #Group-Position:2#Position:3 11.00-R20/11.00-R20 11.00-R20/11.00-R20
    Diesel engine
    Manufacturer #Group-Position:3#Position:1 DEUTZ DEUTZ
    Type #Group-Position:3#Position:2 TCD 2012 L04 2V TCD 2012 L04 2V
    Number of cylinders #Group-Position:3#Position:3 4 4
    Power rat. ISO 14396, kW/PS/rpm #Group-Position:3#Position:4 85,0/115,6/2300 85,0/115,6/2300
    Power rating SAE J1349, kW/HP/rpm #Group-Position:3#Position:5 85,0/113,9/2300 85,0/113,9/2300
    Emissions standard EU/USA #Group-Position:3#Position:6 III A / Tier 3 III A / Tier 3
    Drive
    Hydrodynamic drive #Group-Position:4#Position:1 rear rear
    Speed, working gear #Group-Position:4#Position:2 km/h 0-5,2/0-11,5 mph 0-3,23/0-7,15
    Speed, transportation gear #Group-Position:4#Position:3 km/h 0-21,2 mph 0-13,17
    Climbing ability, with/no ballast #Group-Position:4#Position:4 % 25/35 % 25/35
    Steering
    Steering, type #Group-Position:7#Position:1 Two-point steering Two-point steering
    Steering, actuation #Group-Position:7#Position:2 hydrostatic, steering wheel hydrostatic, steering wheel
    Steering angle +/- #Group-Position:7#Position:3 ° 30 ° 30
    Oscillation angle +/- #Group-Position:7#Position:4 ° 4 ° 4
    Brake system
    Service brake, mode #Group-Position:8#Position:1 Internal shoe brake Internal shoe brake
    Service brake, actuation #Group-Position:8#Position:2 Foot brake pedal Foot brake pedal
    Parking brake, mode #Group-Position:8#Position:3 Spring-loaded/mechanical Spring-loaded/mechanical
    Parking brake, actuation #Group-Position:8#Position:4 electr. a. autom. electr. a. autom.
    Emergency brake, mode #Group-Position:8#Position:5 hydr./mech. hydr./mech.
    Emergency brake, actuation #Group-Position:8#Position:6 Emergency stop Emergency stop
    Sprinkler system
    Water sprinkler, type #Group-Position:9#Position:1 Pressure Pressure
    Actuation, sprinkling #Group-Position:9#Position:2 manual manual
    Water tank, capacity #Group-Position:9#Position:3 750 198,13

  • Equipment

    Driver stand can be accessed from both sides; dampened, adjustable seat, Continuously variable hydrostatic all-wheel drive, Right-hand steering, Instrument panel with operating hours counter and operating instruments, 2 working mirrors, 2 additional spotlights

  • Optional

    Comfort driver cab, 2 lockable doors, Fan, Interior rearview mirror, Edge cutter, Tyre heating, Thermal apron, Dual driver stand, Water pump for filling, Heating with dust-free ventilation, Seat belt, Sound insulation, Automatic tyre level system: from driver seat, can use a powerful compressor to regulate inflation pressure quickly (from 1.5–8 bar) while driving, Tyre inflation using tyre inflation hose and manometer, Engine 2012C

Further Information