Equipment unit · VIN-decoded · NHTSA vPIC

2023 Trail Maxx

7WL3H4020PT000484 · Trailer · TRAILER
Carriers run under2
25 mo
Inspections7
all-time
OOS inspections2
of 7
First seenJul 25, 2023
AR
Last seenAug 1, 2025
IA
Inspected under 2 different carriers in 25 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
7WL3H4020PT000484
Make
Trail Maxx
Model
Trail Maxx
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 4, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
7WL

Deterministic · VIN positions 1–3.

Vehicle descriptor section
3H402

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1993 or 2023

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
Not established

Not asserted outside North American WMIs; positions 12–17 may follow another regional convention.

No source established for this field.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
TRAIL MAXX

Prefix basis · 469 decoded VINs at 100.0% prefix purity.

Model
Trail Maxx

Prefix basis · 469 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
TRAIL MAXX

Observed directly for this VIN via NHTSA vPIC.

Observed model
Trail Maxx

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • serial sequence (positions 12–17 are only asserted for North American VINs)
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 25, 2023 – Aug 1, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 1, 2025IAI · Full1712 BROTHERS UNITED 4304604694183M/TX
Apr 12, 2025TXII · Walk-around712 BROTHERS UNITED 4304604694183M/TX
Mar 21, 2025ALII · Walk-around21OOS12 BROTHERS UNITED 4304604620592M/TX
Nov 5, 2023NMI · Full2OOSHAY HAULER TRUCKING LLC 3861783643241M/TX
Aug 22, 2023NVI · Full2HAY HAULER TRUCKING LLC 38617833545E65/TX
Aug 14, 2023NVI · Full2HAY HAULER TRUCKING LLC 38617833545E65/TX
Jul 25, 2023ARI · Full3HAY HAULER TRUCKING LLC 38617833545E65/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
12 BROTHERS UNITED4304604Mar 21, 2025Aug 1, 20253TX
HAY HAULER TRUCKING LLC3861783Jul 25, 2023Nov 5, 20234TX
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
694183MTX212 BROTHERS UNITEDApr 12, 2025Aug 1, 20252
620592MTX212 BROTHERS UNITEDMar 21, 2025Mar 21, 20251
643241MTXHAY HAULER TRUCKING LLCNov 5, 2023Nov 5, 20231
3545E65TXHAY HAULER TRUCKING LLCJul 25, 2023Aug 22, 20233
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 4, 2026