7k Front Torsion Axle; 7k Tandem Torsion Rear Axles, (4) movable; adjustable header supports with pin-on flat header support inserts - Agriculture

Introducing the Duo Lift AST42XL All-Steer Combine Head Hauler Trailer Built for Control. Built for Capacity. Designed for exceptional maneuverability, strength, and load capacity, the Duo Lift AST42XL is the ultimate solution for transporting today’s combine headers with ease and confidence. At its foundation, the AST42XL features a six-wheel all-steer design, delivering unmatched tracking and turning precision in the field and on the road. With a heavy-duty 10" x 4" rectangular tube main frame and 7,000-lb front torsion axle paired with tandem rear torsion axles, it handles up to 18,000 lbs while ensuring a smooth, wobble-free ride. This high-performance hauler is equipped with: Adjustable, pinned header supports for a secure, customized fit E-Z hook-up extension tongue for quick and efficient attachment Extended front steel fenders for protection and durability Two-wheel electric brakes for reliable stopping power Highway-speed white-spoke wheels with 235/80R16 LRE tires for safe, road-ready transport From tight farmyards to open highways, the AST42XL is engineered for precision handling, rugged reliability, and the hauling capacity today’s operators demand. Built to Last. Backed with Confidence. Duo Lift equipment is backed by a  5-Year Limited Warranty —emphasizing our commitment to quality, performance, and reliability. We stand behind our craftsmanship with industry-leading coverage on structural components and manufacturing defects. It's our promise: engineered strength, guaranteed peace of mind. To read our 5-Year Limited Warranty Statement, click  here. Duo Lift AST42XL — trusted by harvesters who move more, faster.

AST42LT Six Wheel Steer Head Hauler Trailer. 7K Front and Rear Torsion Axles. (3) Header Bar Supports.

AST47LT Six Wheel Steer Head Hauler. 7K Front and Rear Tandem Torsion Axles. (4) Header Bar Supports. 18,000 LB GVWR

AST47XL Six Wheel Steer Head Hauler. 7K Front and Rear Tandem Torsion Axles. (4) Header Bar Supports, E-Z Hook Up Extension Tongue, Front Fenders, 2 Wheel Electric Brakes. 18,000 GVWR

AST37D All Steer DOT. (6) Six Wheel Steer Head Hauler Trailer with Tandem Rear Axles, DOT Lights, Torsion Suspension Axles, Extended Cover Front Steel Fender Pkg, E-Z Hookup Extesion Tongue, Bolt On 2-5/16" Ball Coupler, Electric Brakes on All (3) Axles, 35' Main Frame and 37' Adjustable Position Header Bar, (2) Header Support Chocks, (4) Tie Down Brackets, (4) Ratchets, (4) Straps, (4) Bolt-On Removeable Individual Rear Fenders.

AST42D All Steer DOT. (6) Six Wheel Steer Head Hauler Trailer with Tandem Rear Axles, DOT Lights, Torsion Suspension Axles, Extended Cover Front Steel Fender Pkg, E-Z Hookup Extesion Tongue, Bolt On 2-5/16" Ball Coupler, Electric Brakes on All (3) Axles, 40' Main Frame and 42' Adjustable Position Header Bar, (2) Header Support Chocks, (4) Tie Down Brackets, (4) Ratchets, (4) Straps, (4) Bolt-On Removeable Individual Rear Fenders.

AST47D All Steer DOT. (6) Six Wheel Steer Head Hauler Trailer with Tandem Rear Axles, DOT Lights, Torsion Suspension Axles, Extended Cover Front Steel Fender Pkg, E-Z Hookup Extesion Tongue, Bolt On 2-5/16" Ball Coupler, Electric Brakes on All (3) Axles, 42' Main Frame and 47' Adjustable Position Header Bar, (2) Header Support Chocks, (4) Tie Down Brackets, (4) Ratchets, (4) Straps, (4) Bolt-On Removeable Individual Rear Fenders.