Equipment unit · VIN-decoded · NHTSA vPIC

1TTF4820482021481

Not yet decoded
Carriers run under2
37 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJun 20, 2023
TX
Last seenJul 17, 2026
LA
Inspected under 2 different carriers in 37 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
1TT

Deterministic · VIN positions 1–3.

Vehicle descriptor section
F4820

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
2008 or 2038

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

North American serial sequence
021481

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
TRANSCRAFT

Prefix basis · 2,003 decoded VINs at 100.0% prefix purity.

Model
Transcraft

Prefix basis · 2,003 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 · Jun 20, 2023 – Jul 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 17, 2026LAIII · Driver-only0FREDERICK TREMAYNE HEWITT 1771660157C969/TX
Jun 20, 2023TXII · Walk-around2GREGORY D MOORE 3064469211B418/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FREDERICK TREMAYNE HEWITT1771660Jul 17, 2026Jul 17, 20261TX
GREGORY D MOORE3064469Jun 20, 2023Jun 20, 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.
157C969TX2FREDERICK TREMAYNE HEWITTJul 17, 2026Jul 17, 20261
211B418TXGREGORY D MOOREJun 20, 2023Jun 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC