*The 940 Series Are Extremely Heavy Duty.* This Truck’S Strong Design Is Intended For Rough Usage On Construction Jobs, Steel Mills And Refineries. *Comes Standard With A Heavy Duty Lock-Top Tool Box For Storing Tools, Regulators And Torches While Still Connected To The Hoses. *Cylinders May Be Secured On Truck By The Exculusive Harper ”Chain-Lok” System Or Optional Belly Band. Designate A ‘B’ In The Part Number For Belly Band. An Additional Option Is A Fire Barrier. *Designate An ‘F’ In The Part Number For Fire Barrier. *Handles Large Cylinders.