2024 XL Specialized Extendable Lowboy

Extendable lowboy trailer for sale in Manchester, IA.  Key Specs: 48′ x 102″, 40 ton capacity, hydraulic detachable neck, flip neck, adjustable ride height.

  • stock # L23137 L23138

Extendable lowboy trailer for sale. The XL Specialized XL80 HDE extendable lowboy trailer measures 48 feet long in the closed position, extending to 69’4″. This lowboy can extend and retract without connecting/disconnecting the air and electrical lines. The trailer can be opened to various lengths, with stops every two feet.

The hydraulic detachable neck features dual hydraulics with a Honda pony motor, and a 36″ flip neck extension.

The main deck/well stretches from 28’7″ to a maximum 49’11” length. This lowboy has a 40 ton hauling capacity. Swing-out outriggers allow this XL Specialized trailer to haul wider loads; and D-rings and chain drops provide versatile cargo control options.

The suspension is an air ride system with manual ride height control. This extendable lowboy features polished aluminum outer wheels.

XL Specialized trailers

Extendable Lowboy Trailer Specs

Dimensions & Capacity

The XL Specialized XL80 HDE extendable lowboy measures 48′ x 102″ in its closed position.  It can extend to a maximum 69’4″ with stops every 2 feet.  It has a 40 ton hauling capacity.

Dimensions & Measurements

This extendable lowboy trailer measures 48′ x 102″ and can extend to 69’4″ long with stops every 24 inches.

  • Length: 48′ (extending to 69′ 4″)
  • Width: 102″
  • Capacity: 80,000 lbs disbributed (60,000 lvs in 10′ closed)
  • Weight: 22,895 lbs +/- 3%

Hauling Capacity

  • 80,000 lb overall closed
  • 60,000 lb in 10′ closed
XL Specialized extendable lowboy trailer schematic


This extendable RGN trailer has a hydraulic detachable neck that features adjustable ride height and a pony motor.

  • Hydraulic detachable narrow neck
  • 10’5″ length
  • 49″ 5th wheel height
  • 84″ swing clearance
  • 16″ king pin setting with 3/8″ plate
  • 7 position variable ride height
  • Dual hydraulics
  • 13HP Honda pony motor with aluminum cover
  • Air operated lock with manual safety hatch
  • Prepped for optional flip neck
  • Registration holder


  • 36″ flip neck extension


  • Length: 9′
  • Loaded Deck Height: 40″
  • Prepped for optional flip axle
  • Decking: 1 1/8″ apitong, covered wheels
  • D-Rings: 1 on each corner, 2 in tail channel
  • 2 pairs of flag holders
  • Limit straps

See This Extendable Lowboy Trailer In Action

Main Deck / Well

The deck on this extendable lowboy trailer can expand up to nearly 50′.  Outriggers allow the trailer to accommodate wider loads.

  • Deck Length: 28′ 7″ closed, extending 49′ 11″. Extension stops on 24″ centers
  • Loaded Deck Height: 20″ w/ 6″ ground clearance
  • Decking: 1 1/8″ apitong, flush, center covered
  • Crossmembers: 4″ Jr I-Beam and Knee Braces on 12″ alternating centers
  • Beams: (4) Fab I-Beams
  • D-Rings: (8) bent D-rings per side
  • Outriggers: Removable swing-out outriggers on 24″ centers
  • Chain Drops: Chain drops on 23″ centers, outside beams
  • Ramps: Tapers to 4″
  • Storage compartment
  • 4 pair extra clearance lights
  • 2 4-way plugs

Suspension & Axles

This XL Specialized lowboy is a tandem axle trailer with air ride suspension.

  • Axles: (2) 25,000 lbs nominal
  • Suspension: Hendrickson 25,000 lb air ride
  • Manual ride height control
  • Raise and lower valve
  • Liquid filled air gauge
  • Axle Spacing: 54″
  • ABS: 4S2M with spring brakes
  • Brakes: 16 1/2″ x 7″
  • Drums: Outboard

Wheels & Tires

  • Tires: 255/70R22.5
  • Wheels: 8.25 x 22.5 polished aluminum outside wheels (steel inner)
2022 xl xpecialized xl80 hde extendable lowboy

Electrical & Lighting

  • 12V sealed Grote system with 4 tail-light aluminum package
  • 4″ amber strobe w/ switch to make it a 4th tail light
  • 4-way plug at rear
  • Extra clearance lights

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

      Located in IA - Call (480) 999-0607


      Trailer TypeDouble Drop, Lowboy
      MakeXL Specialized
      Capacity40 Ton
      SuspensionAir Ride
      Rear AxlesTandem Axle
      Trailer compositionSteel

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        XL specialized extendable lowboy trailer brochure