The high-performance and robust drive unit GPU 3400 +S was specially developed for rail grinding machines. Existing machines with a combustion engine can be easily retrofitted with the battery-driven system. The battery drive is particularly suitable for use in tunnels and inner-city areas.

• Compatible with many common rail grinding machines

• Preferred use of the converted grinder in tunnels and urban environments

• Increased user-friendliness due to reduced hand-arm vibration

• Infinitely adjustable power

• Minimised noise emissions

• Elimination of exhaust emissions

• Up to 60 minutes of runtime per battery charge

• Predictive work planning by monitoring the battery charge status

• Commercially available lithium-ion batteries

• Charging time of just 75 minutes for a 12 Ah battery

• Multiple charging options available, including mobile charging