5 in 1 Service Trailer, Scully. 1st compartment 20 tons of sand, 2nd compartment 35 gallons of fuel, 3rd compartment 500 gallons of lube oil, bottom compartment 6-85 gallons of sanitation, Side compartments water & supplies. Bottom/Side compartments hold high powered vacumn for rail cab house cleaning, Self contained hydraulics, fuel & lube pumps w/meters, Double 2" hose reels & protection overflow.