Equipment unit · VIN-decoded · NHTSA vPIC

2021 Trail King Industries

1TKR03533MM026448 · Trailer · TRAILER
Carriers run under3
31 mo
Inspections6
all-time
OOS inspections0
of 6
First seenSep 21, 2023
AZ
Last seenApr 21, 2026
NC
Inspected under 3 different carriers in 31 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
1TKR03533MM026448
Make
Trail King Industries
Model
TRAIL KING INDUSTRIES
Model year
2021
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 22, 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
R0353

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
026448

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 · 44 decoded VINs at 100.0% prefix purity.

Model
TRAIL KING INDUSTRIES

Prefix basis · 44 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 · Sep 21, 2023 – Apr 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2026NCII · Walk-around0S P I TRANSPORT SYSTEMS INC 2594665083388/ME
Mar 5, 2026NCII · Walk-around0S P I TRANSPORT SYSTEMS INC 2594665083388/ME
Oct 13, 2023AZIII · Driver-only0UACL SPECIALIZED LLC 854744508-3388/ME
Oct 5, 2023AZIII · Driver-only0UACL SPECIALIZED LLC 8547445083388/ME
Sep 28, 2023AZIII · Driver-only0J ORDONEZ TRUCKING LLC 34337815083388/ME
Sep 21, 2023AZII · Walk-around0UACL SPECIALIZED LLC 8547445083388/ME
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S P I TRANSPORT SYSTEMS INC259466Mar 5, 2026Apr 21, 20262NJ
UACL SPECIALIZED LLC854744Sep 21, 2023Oct 13, 20233MI
J ORDONEZ TRUCKING LLC3433781Sep 28, 2023Sep 28, 20231GA
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.
5083388MES P I TRANSPORT SYSTEMS INCMar 5, 2026Apr 21, 20262
508-3388MEUACL SPECIALIZED LLCOct 13, 2023Oct 13, 20231
5083388MEUACL SPECIALIZED LLCSep 21, 2023Oct 5, 20232
5083388MEJ ORDONEZ TRUCKING LLCSep 28, 2023Sep 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026