2021 Aspen 16 Tire Expando Lowboy

Aspen 16 tire lowboy trailer for sale at Midco Sales.  Key Trailer Specs: expando lowboy trailer – rear wheel area expands 102″ to 120″ wide, 45 ton capacity.

1 Video

This Aspen 16 wheel lowboy trailer has been designed to be an ultra light weight heavy haul transporter with an expandable rear wheel area.

The mechanical detachable gooseneck has two kingpin settings and has a tapered front for extra tractor clearance.

This 16 tire lowboy has a 45 ton capacity and measures 46′ long. The main deck is 22′ 10″ long with a 20.5″ loaded deck height and 6″ of ground clearance.

This is an expando lowboy trailer; the rear wheel area expands using two pneumatic cylinders.

This 16 wheel lowboy trailer has a walking beam suspension and all aluminum wheels.

Aspen trailers

Aspen 16 Tire Lowboy Trailer Specs

Trailer Dimensions & Capacity

This expando lowboy trailer measures 46′ x 102″ with a 45 ton hauling capacity.

  • Length: 46′
  • Width: 102″
  • Weight: 14,780 lbs (+/- 3%)
  • Capacity: 45 tons
Expando Lowboy Trailer Measurements


  • Upper coupler height: 50″
  • Swing clearance: 80″ / 108″
  • KP to rear axle: 40′


Expando RGN trailer (removable goosenck) with mechanical detachable gooseneck

  • Tapered front end for extra tractor clearance
  • Aspen style spring loaded locking pin
  • Two king pin positions with drop-in king pin
  • Profiled back end of gooseneck for extra equipment clearance
  • Tractor ramp rollers with removable pin

Main Frame

  • Deck length: 22’10”
  • Loaded deck height: 20.5″
  • Ground clearance: 6″
  • Decking: 3″ Apitong outer board, 2″ Rough fir inner
  • Fully fabricated, extra high yield beams
  • Built in deck end ramps
  • Recessed bucket cover plate in last 5′ of deck, allows easy access to air system components
  • Recessed cross member on rear deck transition for boom clearance
  • Portable rear loading ramps
Portable ramps

Rear Frame & Expanding Wheel Area

Two cylinders expand rear sub frame of this 16 tire lowboy trailer from 102″ to 120″ wide.

  • Partial beavertail design
  • Aspen style load bearing bolsters mounted between axles
  • One pair of flag holders, c/w Aspen wide load flags
  • One pair of D-sign holders, 22 1/2″ centers
  • 2x Pneumatic aluminum cylinders providing expanding force
Expando lowboy trailer's rear wheel area expands 102" to 120"

Load Securement & Storage

  • Cross chain tie downs on corners of deck, sub frame, and rear of gooseneck
  • Chain tray in front of deck
  • Chain pockets opposite each crossmember


  • 60,000 lb walking beam suspension

Wheels & Tires

  • Polished aluminum outer wheels, machined aluminum inner wheels
  • 215/70R17.5 Michelin XTA LR tires
Polished Aluminum Wheels

Air & Electrical

  • Air brake system FMVSS compliant
  • Air valves and connections mounted in protected areas
  • DOT 12V system, 7-way connector with LED rubber grommet slighting to meet US FMVSS
  • Strobe lights in rear of expando lowboy trailer

Complete this short online application to begin the financing process.  A Midco Sales representative will then contact you to obtain additional needed information.

    Contact Information

    1200 S Akimel Ln, Chandler, AZ 85226

    Send Us A Message

      Call For Price
      Tax & Licensing Fees May Apply
      Trailer Type Lowboy
      Make Aspen
      Year 2021
      Capacity 45 Ton
      Condition New
      Suspension Walking Beam
      Trailer composition Steel

      Receive e-mail alerts when new inventory is added


        Similar Trailers


        Similar Trailers