Equipment unit · VIN-decoded · NHTSA vPIC

1GB4KYCY6HF167343

Not yet decoded
Carriers run under2
16 mo
Inspections2
all-time
OOS inspections1
of 2
First seenDec 31, 2024
RI
Last seenApr 30, 2026
RI
Inspected under 2 different carriers in 16 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
1GB

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4KYCY

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1987 or 2017

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

North American serial sequence
167343

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
CHEVROLET

Prefix basis · 33 decoded VINs at 100.0% prefix purity.

Model
Silverado

Prefix basis · 33 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 · Dec 31, 2024 – Apr 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 30, 2026RIIII · Driver-only1S AND S CONCRETE FORM CONSTRUCTION INC 827501T12400/MA
Dec 31, 2024RII · Full6OOSUNITED CONCRETE PUMPING INC 1427832T12400/RI
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S AND S CONCRETE FORM CONSTRUCTION INC827501Apr 30, 2026Apr 30, 20261MA
UNITED CONCRETE PUMPING INC1427832Dec 31, 2024Dec 31, 20241MA
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.
T12400MAS AND S CONCRETE FORM CONSTRUCTION INCApr 30, 2026Apr 30, 20261
T12400RIUNITED CONCRETE PUMPING INCDec 31, 2024Dec 31, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC