Welcome to Admiral Truck Sales Admiral Truck Sales is a used truck dealership located in Grain Valley, Missouri. We specialize in non-sleeper tractors, straight trucks, and one-tons. Find us Approximately 20 miles east of Kansas City, I-70 exit 24 at Grain Valley, 1/2 mile south to SW Eagles Parkway., then head west 200' on SW Eagles Parkway to 106 SW Eagles Parkway.