Product Description Extendable pole trailers are designed to safely haul pipe and poles down the highway and in rural areas where space and road condition are limited. Our trailers are designed to track with the pulling tractor, providing steering system that you do get small turn radiums. Features The all new extendable pole trailer is designed to carry heavy loads. Extendable to 90ft. and retractable to the standard 53Ft. Included in the ABS to ensure safety and quality. 2-Speed Heavy-Duty Jack legs. extendable pole trailer pole trailer Technical Specifications Fifth Wheel Load (kg)22,000 Axle cumulative Load (13MT/axle)36,000 Rated (maximum) payload (kg)58,000 Dead weight (kg)21,000 Full load rating (maximum) speed (km / h)60 King pin size JOST 50 # (50.8mm) Frame type Flat bed Pneumatic WiringShould be inside First Boom Main beam cambering5mm/m Main beam at full extension (empty)50mm above bed height Main beam at loaded conditionNot less than trailer bed height (1500mm) FAQ Q:Did all wheel can steering? A:Yes,both rigid axle or steering axle can be option for your different need Q:With steering system can reduce turning radium? A:Yes,will decrease much,also save your tire wear.Extendable Trailer for sale website:http://www.heavydutymodule.com/extendable-trailer/