SPW 7.5 Z431

  • Completely electronically controlled puller with large capstans (Ø 450 mm) made from hardened steel with a groove diameter of 54 mm and a max. pulling force of 75 kN

Technical Data


Max. pulling force75 kN
Max. speed4.7 km/h
Speed at max. pulling force1.5 km/h


Diameter450 mm
Groove Ø54 mm


Length x Width x Height~ 4.3 x 2.2 x 1.9 m
Weight (without rope)~ 2700 kg


  • 1-axle chassis with rigid axle and parking brake for up to 30 km/h (construction site operation without official approval for road service)
  • Lockable aluminum cover (chequer plate)
  • Back support via robust mechanical support legs
  • Front support via robust mechanical sprag
  • Automatic rope guiding device
  • Automatic rope clamping with grounding device
  • Hydraulic reel lifting device for reels with Ø 1100 – 1400 mm
  • Plug-in axle with quick locking for reel IT (quick change of reel without tools)


  • Max. 63 kW (85 hp)
  • Liquid-cooled diesel engine with electronic rpm-control
  • 24-V system with high capacity battery

Driving System


  • Each capstan with planetary gear and hydraulic motor as completely enclosed drive unit (highly efficient, minimal maintenance)
  • Each capstan with an automatically activated safety brake
  • Hydraulic reel drive with planetary gear and hydraulic motor (minimal maintenance)


  • Control of rope direction and rope speed (infinitely) by joystick
  • PLC control for optimized productivity and safety
  • Clearly arranged control panel with color display for supervision of pulling and tensioning force as well as hydraulic, drive, and electric system with an intelligent diagnosis and fault recognition system
  • ZECK Stringing Data Record System with USB port
  • Automatic hydraulic oil cooling system
  • Adjustable overload protection


  • Diesel engine in accordance with EU emissions directive
  • Precleaner for engine air filter (top air filter)
  • Brake, lighting and mudguard (for rigid chassis)
  • 1-axle chassis with spring-mounted axle, brake, lighting and mudguard for up to 100 km/h (transport by car or truck)
  • Back support via robust hydraulic support legs
  • Front support via robust hydraulic sprag
  • Cable or radio remote control
  • Printer for ZECK Stringing Data Record System
  • Remote diagnosis via GSM network with GPS modem
  • Synchronisation system
  • Acoustic insulation
  • Electric preheating system
  • Arctic kit with preheating system for up to -30 °C
  • Biodegradable hydraulic oil
  • Special wire direction guiding device for use as underground cable winch
  • Aluminum cover, color as per RAL color table
  • Adjustable rope guidance, hydraulically driven

Special designs on request