Equipment unit · VIN-decoded · NHTSA vPIC

1GD421C83FF622953

Not yet decoded
Carriers run under1
0 mo
Inspections1
all-time
OOS inspections1
of 1
First seenJul 23, 2025
CO
Last seenJul 23, 2025
CO
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
1GD

Deterministic · VIN positions 1–3.

Vehicle descriptor section
421C8

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1985 or 2015

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

North American serial sequence
622953

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
GMC

Prefix basis · 4 decoded VINs at 100.0% prefix purity.

Model
Sierra

Prefix basis · 4 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 23, 2025 – Jul 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 23, 2025COIII · Driver-only3OOSWATREN CONCRETE FORMING INC 1925110QPQ875/CO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WATREN CONCRETE FORMING INC1925110Jul 23, 2025Jul 23, 20251CO
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.
QPQ875COWATREN CONCRETE FORMING INCJul 23, 2025Jul 23, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC