2009 Wilson DHW 550 Grain Trailer For Sale In North Platte, Nebraska 69101 Get ready to maximize your efforts with this 2009 Wilson DHW 550 Grain Trailer . This durable Hopper/Grain Trailer has been very well maintained which has enabled its work ready condition. It comes with options and features that are perfect for any hard-working individual. Highlights Include:VIN: 1W1MCF8B99A24999310'3