Equipment unit · VIN-decoded · NHTSA vPIC

2025 Heil Trailer International

3H4SS5025S3168626 · Trailer · TRAILER
Carriers run under1
9 mo
Inspections3
all-time
OOS inspections0
of 3
First seenNov 20, 2025
MT
Last seenAug 5, 2026
SD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3H4SS5025S3168626
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 8, 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
3H4

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SS502

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
168626

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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
HEIL TRAILER INTERNATIONAL

Observed directly for this VIN via NHTSA vPIC.

Observed model
Heil Trailer International

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

  • 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 · Nov 20, 2025 – Aug 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 5, 2026SDI · Full2VAUGHN TRUCKING LLC 293249927277P/SD
Feb 4, 2026COII · Walk-around0VAUGHN TRUCKING LLC 293249927277P/SD
Nov 20, 2025MTII · Walk-around0VAUGHN TRUCKING LLC 293249927277P/SD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VAUGHN TRUCKING LLC2932499Nov 20, 2025Aug 5, 20263SD
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.
27277PSD2VAUGHN TRUCKING LLCNov 20, 2025Aug 5, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 8, 2026