Equipment unit · VIN-decoded · NHTSA vPIC

2019 Trail King Industries

1TKR0051XKM051549 · Trailer · TRAILER
Carriers run under2
34 mo
Inspections4
all-time
OOS inspections2
of 4
First seenJul 19, 2023
TX
Last seenMay 30, 2026
TX
Inspected under 2 different carriers in 34 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
1TKR0051XKM051549
Make
Trail King Industries
Model
TRAIL KING INDUSTRIES
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 7, 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
R0051

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1989 or 2019

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

North American serial sequence
051549

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 · 106 decoded VINs at 100.0% prefix purity.

Model
TRAIL KING INDUSTRIES

Prefix basis · 106 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
2019

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 · Jul 19, 2023 – May 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 30, 2026TXII · Walk-around5OOSDIAMOND M CONTRACTING LLC 3313335169C196/TX
Mar 2, 2026TXII · Walk-around1DIAMOND M CONTRACTING LLC 3313335169C196/TX
Apr 29, 2025TXII · Walk-around14K COMPANIES LLC 2363261192C972/TX
Jul 19, 2023TXII · Walk-around4OOS4K COMPANIES LLC 2363261NONE/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAMOND M CONTRACTING LLC3313335Mar 2, 2026May 30, 20262TX
4K COMPANIES LLC2363261Jul 19, 2023Apr 29, 20252TX
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.
169C196TXDIAMOND M CONTRACTING LLCMar 2, 2026May 30, 20262
192C972TX4K COMPANIES LLCApr 29, 2025Apr 29, 20251
NONETX4K COMPANIES LLCJul 19, 2023Jul 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026