Dutch self-propelled sprayer manufacturer Agrifac has developed a diesel-electric version of its Vanguard 55.
The new format in the Vanguard 55E sees the six-cylinder 212/284hp(157/212kW)diesel engine in the Vanguard 55 swapped for a four-cylinder 169hp (124kW) block and an 80kWh battery pack. The smaller engine acts as a range extender and is only switched on to charge the battery.
With the hydraulic wheel motors replaced for electric wheel motors, and an electrically powered filling and spray pump, Agrifac reckons the hybrid machine should be able to work fully electrically for about two hours, after which the diesel engine starts to recharge the battery. However, as most sprayers work for a few hours in the morning and a few hours in the evening, the battery pack can be charged back at the farm.
The hybrid sprayer is expected to burn around 35% less fuel than the diesel variant. This is partly because the diesel block only runs part of the time, and the electric drivetrain is more efficient.
The hybrid drive platform will be further developed, tested and validated. Based on the current development timeline, the first machine with the electric drive concept could be available as early as next year.
Looking ahead, the 5,500-litre prototype could also be adapted to work fully electric or equipped with a hydrogen-powered fuel cell. The electric powertrain in both configurations will remain the same.
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