A 332 kW Stage III B Iveco diesel engine powers the HG4000 horizontal grinder from Vermeer. It meets all North American and European Union emission regulations through selective catalytic reduction (SCR). To reduce material slippage and maintain controlled entry into the mill, a crush boost button function momentarily engages increased feed roller downforce on incoming material. For certain conditions, the variable feed roller downforce can be reduced or temporarily paused to boost fuel efficiency and help extend component wear life.
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