Equipment unit · VIN-decoded · NHTSA vPIC

1T9SC4521EB656313

Not yet decoded
Carriers run under2
35 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJul 3, 2023
TX
Last seenJun 6, 2026
TX
Inspected under 2 different carriers in 35 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
1T9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SC452

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1984 or 2014

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

North American serial sequence
656313

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
TRINITY TRAILER MFG., INC.

Prefix basis · 22 decoded VINs at 100.0% prefix purity.

Model
TRINITY TRAILER MFG., INC.

Prefix basis · 22 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 · Jul 3, 2023 – Jun 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 6, 2026TXII · Walk-around1ARRINGTON TRUCKING LLC 2797014CX8555/OK
Jul 3, 2023TXII · Walk-around2MH TRANSPORT OF DALHART LLC 3137864AE8031/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ARRINGTON TRUCKING LLC2797014Jun 6, 2026Jun 6, 20261TX
MH TRANSPORT OF DALHART LLC3137864Jul 3, 2023Jul 3, 20231TX
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.
CX8555OKARRINGTON TRUCKING LLCJun 6, 2026Jun 6, 20261
AE8031OKMH TRANSPORT OF DALHART LLCJul 3, 2023Jul 3, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC