Equipment unit · VIN-decoded · NHTSA vPIC

2018 Wilson Trailer Co.

4WW4432A2J7715575 · Trailer · TRAILER
Carriers run under2
16 mo
Inspections3
all-time
OOS inspections1
of 3
First seenSep 10, 2024
CO
Last seenJan 12, 2026
CO
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
4WW4432A2J7715575
Make
Wilson Trailer Co.
Model
Wilson Trailer Co.
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 9, 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
4WW

Deterministic · VIN positions 1–3.

Vehicle descriptor section
4432A

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1988 or 2018

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

North American serial sequence
715575

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 TRAILER CO.

Prefix basis · 152 decoded VINs at 100.0% prefix purity.

Model
Wilson Trailer Co.

Prefix basis · 152 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
WILSON TRAILER CO.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Wilson Trailer Co.

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 · Sep 10, 2024 – Jan 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 12, 2026COII · Walk-around0DEFOREST TRUCKING LLC 3829181TW3213/ID
Oct 17, 2025COIII · Driver-only1DEFOREST TRUCKING LLC 38291817734034/CO
Sep 10, 2024COII · Walk-around3OOSKILLIN TIME TRUCKING LLC 883448CY9229/OK
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DEFOREST TRUCKING LLC3829181Oct 17, 2025Jan 12, 20262CO
KILLIN TIME TRUCKING LLC883448Sep 10, 2024Sep 10, 20241CO
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.
TW3213IDDEFOREST TRUCKING LLCJan 12, 2026Jan 12, 20261
7734034CODEFOREST TRUCKING LLCOct 17, 2025Oct 17, 20251
CY9229OKKILLIN TIME TRUCKING LLCSep 10, 2024Sep 10, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026