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2025 United Trailers UXGN 8.5 x 40' 21k Gooseneck Enclosed Trailer

United UXGN 8.5 x 40' 21k Gooseneck Enclosed Trailer Dimensions Exterior: 8.5' x 40' Interior Height: Standard height, with an upgrade for 1" to 12" extra height (please specify). Axles & Suspension Axles: Three 7000# Electric Brake Axles (6" Drop) Axle Spacing: 5" spread axles Wheels & Tires Tires: Six ST235/80R16 G Sterling Aluminum Black & Silver Eagle tires Hitch Plug: 7-Way Molded Plug Breakaway Kit: Included with charger Coupler: 2 5/16" Adjustable Gooseneck Jack: Heavy Duty Jack Legs Safety Chains: Standard Tongue: 3rd Member Frame Crossmembers: 16" on center tubes Sidewall Tubes: 16" on center tubes Roof Tubes: 16" on center tubes Bunk: 8ft bunk with tapered nose Corner Posts: 2" Main Frame: Double 8in I-Beam Riser Height: Standard (truck sheets must be provided for proper mating) Winch Plate: For Limited models Interior Floor: 3/4in Plywood Sidewalls: Boxed off to reduce dust Wall Liner: 3/8in plywood 12 Volt Electrical Wall Switch: 12-Volt Dome Lights: Two 12v LED Clearance & Tail Lights: LED for entire unit Tail Lights: LED surface mount with chrome ring Mid Ship Lights: LED Amber Extra Clearance Lights: Two LED Recessed Exterior Exterior Metal: .040 Black (Upgrade) Bottom Molding: 4" Stoneguard: ATP (Front Wall/Gooseneck) Front Corners: Bright Aluminum Cast Corners: Polished with Bright Wrap Flares: Set of Single Aluminum Exterior Metal Finish: Taped Roof Underlayment: Lauan down center of roof only Roof: Aluminum Seamless Doors RV Door: 32" x 72" Blank (Standard) Access Door: 48" x 16" with ATP (Gooseneck/Front of riser) Crank Handle Door: 6" x 28" mill finish (for gooseneck and fifth wheel jack legs) Door Hold Back: Aluminum Heavy Duty Ramp Door: 4000# capacity with Plywood Flap (Upgrade) Switches 3-Way Switch: 12V
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  • No Image
  • New
  • Poplar Bluff MO
  • 18763
  • 18763
  • Enclosed Race
  • Enclosed Car Hauler
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  • United UXGN 8.5 x 40' 21k Gooseneck Enclosed Trailer Specs

    United UXGN 8.5 x 40' 21k Gooseneck Enclosed Trailer

    Dimensions

    • Exterior: 8.5' x 40'
    • Interior Height: Standard height with an upgrade for 1" to 12" extra height (please specify).

    Axles & Suspension

    • Axles: Three 7000# Electric Brake Axles (6" Drop)
    • Axle Spacing: 5" spread axles

    Wheels & Tires

    • Tires: Six ST235/80R16 G Sterling Aluminum Black & Silver Eagle tires

    Hitch

    • Plug: 7-Way Molded Plug
    • Breakaway Kit: Included with charger
    • Coupler: 2 5/16" Adjustable Gooseneck
    • Jack: Heavy Duty Jack Legs
    • Safety Chains: Standard
    • Tongue: 3rd Member

    Frame

    • Crossmembers: 16" on center tubes
    • Sidewall Tubes: 16" on center tubes
    • Roof Tubes: 16" on center tubes
    • Bunk: 8ft bunk with tapered nose
    • Corner Posts: 2"
    • Main Frame: Double 8in I-Beam
    • Riser Height: Standard (truck sheets must be provided for proper mating)
    • Winch Plate: For Limited models

    Interior

    • Floor: 3/4in Plywood
    • Sidewalls: Boxed off to reduce dust
    • Wall Liner: 3/8in plywood

    12 Volt Electrical

    • Wall Switch: 12-Volt
    • Dome Lights: Two 12v LED
    • Clearance & Tail Lights: LED for entire unit
    • Tail Lights: LED surface mount with chrome ring
    • Mid Ship Lights: LED Amber
    • Extra Clearance Lights: Two LED Recessed

    Exterior

    • Exterior Metal: .040 Black (Upgrade)
    • Bottom Molding: 4"
    • Stoneguard: ATP (Front Wall/Gooseneck)
    • Front Corners: Bright Aluminum
    • Cast Corners: Polished with Bright Wrap
    • Flares: Set of Single Aluminum
    • Exterior Metal Finish: Taped
    • Roof Underlayment: Lauan down center of roof only
    • Roof: Aluminum Seamless

    Doors

    • RV Door: 32" x 72" Blank (Standard)
    • Access Door (Front): 48" x 16" with ATP (Gooseneck/Front of riser)
    • Crank Handle Door: 6" x 28" mill finish (for gooseneck and fifth wheel jack legs)
    • Door Hold Back: Aluminum Heavy Duty
    • Ramp Door: 4000# capacity with Plywood Flap (Upgrade)

    Switches

    • 3-Way Switch: 12V
  • Poplar Bluff MO
  • New
  • 18763
  • 2025
  • United Trailers
  • UXGN 8.5 x 40' 21k Gooseneck Enclosed Trailer
  • Enclosed Race
  • Enclosed Car Hauler
  • 18763

Get an Estimate for Your Payment

  • Estimated Payment
  • Calculation is estimate only.

Advertised pricing excludes applicable taxes title and licensing, dealer set up, destination, reconditioning and are subject to change without notice. Pricing may exclude any added parts, accessories or installation unless otherwise noted. Sale prices include all applicable offers. Not all options listed available on pre-owned models. Contact dealer for details.