Equipment unit · VIN-decoded · NHTSA vPIC

2012 Heil Trailer International

5HTSN4123C7U90510 · Trailer · TRAILER
Carriers run under1
16 mo
Inspections3
all-time
OOS inspections0
of 3
First seenDec 10, 2024
MN
Last seenApr 15, 2026
MN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5HTSN4123C7U90510
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2012
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
5HT

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SN412

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1982 or 2012

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

North American serial sequence
U90510

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
HEIL TRAILER INTERNATIONAL

Prefix basis · 97 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 97 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
2012

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

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Dec 10, 2024 – Apr 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 15, 2026MNIII · Driver-only0KOIVISTO TRUCKING INCORPORATED 1291526STC7432/MN
Jul 16, 2025MNIII · Driver-only1KOIVISTO TRUCKING INCORPORATED 1291526STC7432/MN
Dec 10, 2024MNII · Walk-around1KOIVISTO TRUCKING INCORPORATED 1291526STC7432/MN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KOIVISTO TRUCKING INCORPORATED1291526Dec 10, 2024Apr 15, 20263MN
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.
STC7432MNKOIVISTO TRUCKING INCORPORATEDDec 10, 2024Apr 15, 20263
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 9, 2026