VDC20F/HC VDC20F/HC truck DC air conditioner is designed for heady-duty vehicles which work in the mines. VDC20D Cooling Capacity: 2500Watts 8600 Btu/h. Voltage: DC12V. VDC20D/T Equipped with the self-contained compressor, VDC20D/T air conditioner is designed for various flat roof trucks. VDC30D/T VDC30D/T, also called warrior 3000, is similar