Equipment unit · VIN-decoded · NHTSA vPIC

1TKJ04821BM092578

Not yet decoded
Carriers run under2
9 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJan 16, 2025
AZ
Last seenOct 23, 2025
US
Inspected under 2 different carriers in 9 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

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

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
J0482

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1981 or 2011

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

North American serial sequence
092578

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 · 291 decoded VINs at 100.0% prefix purity.

Model
TRAIL KING INDUSTRIES

Prefix basis · 291 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.

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 · Jan 16, 2025 – Oct 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 23, 2025USII · Walk-around5SOUTHWEST LOGISTICS LLC 31147394TL1828/CA
Jan 16, 2025AZIII · Driver-only0SENTINEL TRUCKING LLC 16836014TL1828/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHWEST LOGISTICS LLC3114739Oct 23, 2025Oct 23, 20251CA
SENTINEL TRUCKING LLC1683601Jan 16, 2025Jan 16, 20251CA
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.
4TL1828CASOUTHWEST LOGISTICS LLCOct 23, 2025Oct 23, 20251
4TL1828CASENTINEL TRUCKING LLCJan 16, 2025Jan 16, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC