The container frames have two or three axels. They can be used as regular model, extensible model, goose neck, B-Train with axels or with adjustable anchor points. Their length vary from 20 feet to 53 feet  ( 6.1m to 16.15 m ) and carry a full load from 57 500 pounds to 99 000 pounds ( 26082 kg to 44 906 kg ). Axle Tridem Suspension Springs Lenght 40 ft ( 12,2 m ) Width 96 in ( 2,4 m ) GWC 60 400 to 78 400 lbs ( 27 397 to 35 562 kg ) Type Regular or goose neck 174 Axle Tridem Suspension Springs Lenght 40 to 53 ft ( 12,2 to 16,15 m ) Width 96 in ( 2,4 m ) GWC 57 500 to 75 600 lbs ( 26 082 to 34 292 kg ) Type Regular, goose neck, extensible frame 3797 Axle Tridem Suspension Springs Lenght Combo 20 - 40 ft ( 6,1 or 12,2 m ) Width 96 in ( 2,4 m ) GWC 59 300 to 77 300 lbs ( 26 898 to 35 063 kg ) Type Regular, goose neck, sliding axles 6303 Axle Tandem Suspension Springs Lenght 20 ft ( 6,1 ) Width 96 in ( 2,4 m ) GWC 59 300 to 77 300 lbs ( 26 898 to 35 063 kg ) Type Regular, sliding axles and fifth wheel 7004