Equipment unit · VIN-decoded · NHTSA vPIC

2021 Chevrolet Silverado

1GB3YSEY7MF102077 · Incomplete - Chassis Cab (Single Cab) · INCOMPLETE VEHICLE
Carriers run under1
21 mo
Inspections4
all-time
OOS inspections1
of 4
First seenAug 24, 2023
PA
Last seenMay 13, 2025
PA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1GB3YSEY7MF102077
Make
Chevrolet
Model
Silverado
Model year
2021
Body class
Incomplete - Chassis Cab (Single Cab)
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)
Decoded at
Jul 6, 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
3YSEY

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1991 or 2021

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

North American serial sequence
102077

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2021

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 (Single 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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 24, 2023 – May 13, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 13, 2025PAIII · Driver-only2OOSSPECIALIZED PROFESSIONAL SERVICES INC 1378469ZSB7863/PA
Apr 29, 2025PAIII · Driver-only2SPECIALIZED PROFESSIONAL SERVICES INC 1378469ZSB7863/PA
Jun 13, 2024WVII · Walk-around0SPECIALIZED PROFESSIONAL SERVICES INC 1378469ZSB7863/PA
Aug 24, 2023PAIII · Driver-only2SPECIALIZED PROFESSIONAL SERVICES INC 1378469ZSB7863/PA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SPECIALIZED PROFESSIONAL SERVICES INC1378469Aug 24, 2023May 13, 20254PA
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.
ZSB7863PASPECIALIZED PROFESSIONAL SERVICES INCAug 24, 2023May 13, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 6, 2026