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Transportation activity of agriculture"s production inputs and products from farm to processing house or storage house is generally carried out on poor road condition. Therefore, a special vehicle that can transport the products and able to pass agricultural farm easily is needed. The objective of this research was to design the powertrain and turning system of six wheels agricultural transporter. The design criteria of this vehicle was as follow: load capacity 750 kg and vehicles dimension fits to road class III criteria. The main components of powertrain system and turning mechanism were chassis, engine, gearbox, chain, sprocket, shaft, disc brake and tire wheels. The method of this research followed the common procedure of machine design process and continued to manufacturing and testing. The performance test showed that maximum forward speed without carrying load was 7.8 kmh-1 and with maximum load was 6.6 kmh-1. The smallest 1800 turning radius was 3.5 m at engine speed of 3500 rpm which occurred when vehicle without carrying load.