The new dual-chain fertilizer spreader is a new type of fertilizer spreader that has been improved and developed based on the classic dual-disc fertilizer spreader. The new trailing fertilizer spreader has a double-hopper design with two chains for fertilizer delivery, which avoids uneven and incomplete delivery. The new fertilizer spreader truck has been optimized and improved, and the front traction device is designed to be retractable. Users can adjust the traction length by themselves, making it easier for users to turn in different plots of land. The chassis design of the new fertilizer spreader truck is relatively low, which makes the fertilizer spreader truck have a low center of gravity and good safety. This fertilizer broadcaster can be used for spreading fertilizer in mountainous areas to avoid dangerous phenomena such as rollover.