Equipment unit · VIN-decoded · NHTSA vPIC

2025 Dorsey

7KYFB4821SED43791 · Trailer · TRAILER
Carriers run under2
16 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJul 24, 2024
SC
Last seenNov 6, 2025
SC
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
7KYFB4821SED43791
Make
Dorsey
Model
Dorsey
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 3, 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
7KY

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FB482

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1995 or 2025

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

North American serial sequence
Not established

Not asserted outside North American WMIs; positions 12–17 may follow another regional convention.

No source established for this field.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
DORSEY

Prefix basis · 62 decoded VINs at 100.0% prefix purity.

Model
Dorsey

Prefix basis · 62 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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
DORSEY

Observed directly for this VIN via NHTSA vPIC.

Observed model
Dorsey

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • serial sequence (positions 12–17 are only asserted for North American VINs)
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 24, 2024 – Nov 6, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 6, 2025SCIII · Driver-only1FAYBLOCK MATERIALS INC 489974DV16189/NC
Jul 15, 2025NCIII · Driver-only0FAYBLOCK MATERIALS INC 489974DC16189/NC
Mar 7, 2025NCIII · Driver-only0FAYBLOCK MATERIALS INC 489974DC16189/NC
Oct 10, 2024NCII · Walk-around0CONCRETE SERVICE CO INC 2453831DC16189/NC
Jul 24, 2024SCI · Full4OOSFAYBLOCK MATERIALS INC 489974DC16189/NC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FAYBLOCK MATERIALS INC489974Jul 24, 2024Nov 6, 20254NC
CONCRETE SERVICE CO INC2453831Oct 10, 2024Oct 10, 20241NC
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.
DV16189NCFAYBLOCK MATERIALS INCNov 6, 2025Nov 6, 20251
DC16189NCFAYBLOCK MATERIALS INCJul 24, 2024Jul 15, 20253
DC16189NCCONCRETE SERVICE CO INCOct 10, 2024Oct 10, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 3, 2026