Equipment unit · VIN-decoded · NHTSA vPIC

2023 Trailmax

4T93H4021PM402054 · Trailer · TRAILER
Carriers run under2
36 mo
Inspections3
all-time
OOS inspections1
of 3
First seenAug 22, 2023
TX
Last seenAug 2, 2026
TX
Inspected under 2 different carriers in 36 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
4T93H4021PM402054
Make
Trailmax
Model
TrailMax
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 9, 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
4T9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
3H402

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
402054

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

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

Make
TRAILMAX

Prefix basis · 133 decoded VINs at 100.0% prefix purity.

Model
TrailMax

Prefix basis · 133 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
TRAILMAX

Observed directly for this VIN via NHTSA vPIC.

Observed model
TrailMax

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 22, 2023 – Aug 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 2, 2026TXII · Walk-around1HEAVY HAUL HH LOGISTICS LLC 4349561800540T/TN
Jul 13, 2026MSI · Full2HEAVY HAUL HH LOGISTICS LLC 4349561800540T/TN
Aug 22, 2023TXII · Walk-around23OOSBEARDED BROTHERS TRUCKING LLC 4092527358239T/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HEAVY HAUL HH LOGISTICS LLC4349561Jul 13, 2026Aug 2, 20262TN
BEARDED BROTHERS TRUCKING LLC4092527Aug 22, 2023Aug 22, 20231AR
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.
800540TTN2HEAVY HAUL HH LOGISTICS LLCJul 13, 2026Aug 2, 20262
358239TTNBEARDED BROTHERS TRUCKING LLCAug 22, 2023Aug 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026