Sep 23, 2021 · Email Seller Video Chat. (701) 842-2240. Sold By: Golberg Enterprises. Watford City, North Dakota 58854. 2009 Polar A-Train 407 Crude Oil Trailer, Air Ride Suspension, Aluminum, Lead 8400 Gal, 2 Compart., 42 ft Tandem axle, Roper Pump, Pup 5000 Gal. 20 Ft W/10 Ft. Tongue Very nice 1 Owner set with up