1985, ALTANK LPG AMMONIA TANK TANK TRAILER.1985 ALTANK B-TREAIN LPG/ AMMONIA TANK, 9,140 Gallon Lead, 8,350 Gallon Pup, MC-331, 265 PSI, Spring Ride, Aluminum Wheels, Hyraulic Driven, Blackmer Pump, 40,000 LBS (18,160 KG) Tare Weight, Ammonia and Propane Compatible. 3 Altank Trailers available! New Tank Inspections! Call For Price! Check out our other inventory.