RISA Zanajadorzas
RISA Zanajadoras

TRENCHERS

RISA Trenchers feature a sliding trenching boom with tilt and side-shift adjustments, enabling precise trenching even on uneven terrain. They also incorporate advanced hydraulic systems and automatic speed control that adjusts according to ground resistance.

RISA is a French company specialising in the design and manufacture of machinery for overhead and underground utility networks since the 1980s. Its machines, available with power outputs ranging from 130 to 500 HP, are recognised for their compact design, operational efficiency, and reliability in energy, telecommunications, and public utility projects.

SPECIFICATIONS RT 200
Engine CUMMINS 6 cylinder TURBO, 200 CV
Fuel Tank Capacity (L) 300
Hydraulic Tank Capacity (L) 400
Track Width (mm) 400
Weight Without Conveyor (t) 11
Weight With Conveyot (t) 13
Minimum Length (Without Conveyot) (mm) 7.500
Maximum Lenght (Without Conveyor) (mm) 10.500 mm (with chain)
Overall Width (mm) 1740
Control Radio Remote Control (1,5 kg)
Chain Trenching Widht (mm) 160 > 350
Chain Trenching Depth (mm) 300 > 1200
Vertical Adjustment (mm) + 150 / -1250
RISA Zanajadorzas
SPECIFICATIONS RT 300 VS
Engine CUMMINS 6 cylinder TURBO, 300 CV
Fuel Tank Capavity (L) 400
Hydraulic Tank Capacity (L) 500
Track Width (mm) 500
Weight Without Conveyor (t) 23
Weight With Conveyot (t) 27
Minimum Length (Without Conveyor) (mm) 9030
Maximum Length (Without Conveyor) (mm) 12.700 (with chain)
Overall Width (mm) 2541,5
Control Radio Remote Control (1,5 kg)
Chain Trenching Width (mm) 160 > 400
Chain Trenching Depth (mm) 650> 1500
Vertical Adjustment (mm) + 500/ -1300
RISA Zanajadorzas
SPECIFICATIONS RT 400 VS
Engine CUMMINS 6 cylinder TURBO, 400CV
Fuel Tank Capacity (L) 650
Hydraulic Tank Capacity (L) 520
Track Width (mm) 500
Weight Without Conveyor (t) 24
Weight With Conveyor (t) 38
Minimum Length (Without Conveyor) (mm) 9330
Maximum length (Without Conveyor) (mm) 13.450 (with chain)
Overall Width (mm) 2560
Control Radio Remote Control (1,5 kg)
Chain Trenching Width (mm) 160 > 900
Chain Trenching Depth (mm) 650 > 2000
Vertical Adjustment (mm) + 850 / -1790
RISA Zanajadorzas

The main advantages of these trenchers are:

  • Vertically sliding trenching boom.

  • Steering drawbar articulation of up to ±14° allowing the machine to negotiate very tight turns.

  • Remote Control

  • Conveyor belt for truck loading.

  • Trenching boom tilt of up to ±7.5° , allowing the vertical aligment of the trench to be maintained even on sloping terrain.

RISA Zanajadoras

Images of RISA Trenchers

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