Equipment unit · VIN-decoded · NHTSA vPIC

2021 Trail King Industries

1TKR02721MM125834 · Trailer · TRAILER
Carriers run under2
25 mo
Inspections3
all-time
OOS inspections1
of 3
First seenFeb 28, 2024
WV
Last seenMar 23, 2026
MN
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
1TKR02721MM125834
Make
Trail King Industries
Model
TRAIL KING INDUSTRIES
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
1TK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
R0272

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1991 or 2021

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

North American serial sequence
125834

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
TRAIL KING INDUSTRIES

Prefix basis · 8 decoded VINs at 100.0% prefix purity.

Model
TRAIL KING INDUSTRIES

Prefix basis · 8 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
TRAIL KING INDUSTRIES

Observed directly for this VIN via NHTSA vPIC.

Observed model
TRAIL KING INDUSTRIES

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 · Feb 28, 2024 – Mar 23, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 23, 2026MNIII · Driver-only1HEAVY HAUL KING LLC 4419625E573825/MI
Feb 21, 2025WYII · Walk-around6OOSMAZ LOGISTICS LLC 2911588E573825/MI
Feb 28, 2024WVII · Walk-around1MAZ LOGISTICS LLC 2911588E573825/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HEAVY HAUL KING LLC4419625Mar 23, 2026Mar 23, 20261OH
MAZ LOGISTICS LLC2911588Feb 28, 2024Feb 21, 20252MI
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.
E573825MIHEAVY HAUL KING LLCMar 23, 2026Mar 23, 20261
E573825MIMAZ LOGISTICS LLCFeb 28, 2024Feb 21, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026