Equipment unit · VIN-decoded · NHTSA vPIC

1FD9X4GT8GEC58799

Not yet decoded
Carriers run under2
14 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJul 31, 2024
MI
Last seenSep 29, 2025
MI
Inspected under 2 different carriers in 14 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
1FD

Deterministic · VIN positions 1–3.

Vehicle descriptor section
9X4GT

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1986 or 2016

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

North American serial sequence
C58799

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
FORD

Prefix basis · 13 decoded VINs at 100.0% prefix purity.

Model
F-450

Prefix basis · 13 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 31, 2024 – Sep 29, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 29, 2025MIIII · Driver-only1THAYER WELL DRILLING INC 1706461BE35671/MI
Jul 31, 2024MII · Full6OOSMID-MICHIGAN STATION SERVICES INC 1778286BB66014/MI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
THAYER WELL DRILLING INC1706461Sep 29, 2025Sep 29, 20251MI
MID-MICHIGAN STATION SERVICES INC1778286Jul 31, 2024Jul 31, 20241MI
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.
BE35671MITHAYER WELL DRILLING INCSep 29, 2025Sep 29, 20251
BB66014MIMID-MICHIGAN STATION SERVICES INCJul 31, 2024Jul 31, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC