Equipment unit · VIN-decoded · NHTSA vPIC

2017 Wilson

1W16532A2H5551781 · Trailer · TRAILER
Carriers run under3
6 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJan 2, 2025
IA
Last seenJul 7, 2025
IA
Inspected under 3 different carriers in 6 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
1W16532A2H5551781
Make
Wilson
Model
Wilson
Model year
2017
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 26, 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
1W1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
6532A

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
551781

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
WILSON

Prefix basis · 258 decoded VINs at 100.0% prefix purity.

Model
Wilson

Prefix basis · 258 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
WILSON

Observed directly for this VIN via NHTSA vPIC.

Observed model
Wilson

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jan 2, 2025 – Jul 7, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 7, 2025IAIII · Driver-only1S R ANDERSON INC 579046LR1659/IA
Apr 30, 2025IAIII · Driver-only1DEMPSTER TRUCKING LLC 2832078DF2261/IA
Jan 2, 2025IAIII · Driver-only4JUSTIN CURTIS TRANSPORT LLC 4077844DF2261/IA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S R ANDERSON INC579046Jul 7, 2025Jul 7, 20251IA
DEMPSTER TRUCKING LLC2832078Apr 30, 2025Apr 30, 20251IA
JUSTIN CURTIS TRANSPORT LLC4077844Jan 2, 2025Jan 2, 20251IA
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.
LR1659IAS R ANDERSON INCJul 7, 2025Jul 7, 20251
DF2261IADEMPSTER TRUCKING LLCApr 30, 2025Apr 30, 20251
DF2261IA2JUSTIN CURTIS TRANSPORT LLCJan 2, 2025Jan 2, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 26, 2026