Equipment unit · VIN-decoded · NHTSA vPIC

2017 Chevrolet Silverado

1GB4KYCY6HF167343 · Incomplete - Chassis Cab (Double Cab) · INCOMPLETE VEHICLE
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

VIN
1GB4KYCY6HF167343
Make
Chevrolet
Model
Silverado
Model year
2017
Body class
Incomplete - Chassis Cab (Double Cab)
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)
Decoded at
Aug 16, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
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.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2017

Observed directly for this VIN via NHTSA vPIC.

Observed make
CHEVROLET

Observed directly for this VIN via NHTSA vPIC.

Observed model
Silverado

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Incomplete - Chassis Cab (Double Cab)

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)

Observed directly for this VIN via NHTSA vPIC.

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 · decoded Aug 16, 2026