---
title: "2026 TrailMaxx 7X14X3 Dump Trailer"
post_type: "trailers"
slug: "2026-double-a-7x-21"
canonical_url: "https://thetrailer.co/trailer/2026-double-a-7x-21/"
last_modified: "2026-07-29T17:41:56+00:00"
status: "sold"
condition: "new"
location: "Tulsa, OK"
price:
  currency: "USD"
  msrp: 8580.00
  sale: 8580.00

identifiers:
  vin: "7WL1D1429TT003633"
  stock_number: "N647"

vehicle:
  year: 2026
  manufacturer: "Trailmaxx"
  model: "7X14X3 Dump Trailer"
  type: "Dump Trailers"
  color: "Black"

taxonomies:
  trailer-type:
    - "Dump Trailers"
  trailer-make:
    - "TrailMaxx"

specifications:
  general:
    axles: 2
    gvwr: 14000
    gawr: 7000
    empty_weight: 5500
    payload: 8300

  dimensions:
    length_ft: 14
    length_in: 168
    width_ft: 7
    width_in: 84
    inner_height_ft: 3
    inner_height_in: 36

  options:
    hitch_type: "Bumper Pull"
    coupler_size: "2-5/16\""
    ramp: "Slide In Rear Ramps"
    warranty:
      type: "manufacturer"
      years: 3
      disclosure_required: false



images:
  featured:
    url: "https://thetrailerco.b-cdn.net/wp-content/uploads/2026/07/IMG_1179-1-scaled.jpg"
    alt: "2026 TrailMaxx 7X14X3 Dump Trailer in black, driver side profile view"

  gallery:
    -
      url: "https://thetrailerco.b-cdn.net/wp-content/uploads/2026/07/IMG_1179-1-scaled.jpg"
      alt: "2026 TrailMaxx 7X14X3 Dump Trailer in black, driver side profile view"

    -
      url: "https://thetrailerco.b-cdn.net/wp-content/uploads/2026/07/IMG_1179-2-scaled.jpg"
      alt: "Rear three-quarter view of a 2026 TrailMaxx 7X14X3 Dump Trailer in black."

    -
      url: "https://thetrailerco.b-cdn.net/wp-content/uploads/2026/07/IMG_1178-1-scaled.jpg"
      alt: "2026 TrailMaxx 7X14X3 Dump Trailer in black, side profile view."

    -
      url: "https://thetrailerco.b-cdn.net/wp-content/uploads/2026/07/IMG_1177-1-scaled.jpg"
      alt: "2026 TrailMaxx 7X14X3 Dump Trailer in black, rear view with dual axles"

    -
      url: "https://thetrailerco.b-cdn.net/wp-content/uploads/2026/07/IMG_1176-1-scaled.jpg"
      alt: "Rear view of a black 2026 TrailMaxx 7X14X3 Dump Trailer with closed doors"

    -
      url: "https://thetrailerco.b-cdn.net/wp-content/uploads/2026/07/IMG_1175-1-scaled.jpg"
      alt: "Close-up of the black wheels and tires on a 2026 TrailMaxx 7X14X3 Dump Trailer, showing detail of the rims."

    -
      url: "https://thetrailerco.b-cdn.net/wp-content/uploads/2026/07/IMG_1174-1-scaled.jpg"
      alt: "2026 TrailMaxx 7X14X3 Dump Trailer in black, side view showing dual axles and sleek design."

    -
      url: "https://thetrailerco.b-cdn.net/wp-content/uploads/2026/07/IMG_1173-1-scaled.jpg"
      alt: "2026 TrailMaxx 7X14X3 Dump Trailer in black, side view with open cargo area."


---

## Overview

7×14 Dump Trailer with 3 ft sides This trailer has:
- 3ft Side Walls
- 8″ I-Beam
- Ramps
- Multifunction Gate(Barn Doors & Spreader Gate)
- Telescopic Cylinder
- 2 7,000lbs axles, 14k GVWR
- 2 5/16 Adjustable Auto Latching Coupler
- Retractable Tarp
 Comes with 3 year limited warranty N647