day cab middle duty white rig towing semi truck with slide down flat bed trailer running on the road to customer for help

semi trucks hauler big rig freight trucking transportation carries truck transport semitruck diesel cargo pipes distribution flat bed delivering middleduty warehouse traffic trailer running maintain road shipping logistic tractor lorry carrier service utility pick highway haul rest white rigs mountain transporting logistics destination wheel summer moving safety delivery transit american owner operator loads transition trailers fleet industrial travel classic clean team driving axles parking eighteenwheeler maintenance tires empty day cab middle duty towing customer easy loading unloading