Equipment unit · VIN-decoded · NHTSA vPIC

2018 Heil Trailer International

3H4SS4223J3710067 · Trailer · TRAILER
Carriers run under1
30 mo
Inspections12
all-time
OOS inspections2
of 12
First seenDec 22, 2023
TX
Last seenJun 12, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
3H4SS4223J3710067
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
SS422

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
710067

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 · 127 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 127 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
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 22, 2023 – Jun 12, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 12, 2026TXII · Walk-around0L&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
Jan 14, 2026TXII · Walk-around3L&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
Jan 13, 2026TXII · Walk-around0L&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
Jul 9, 2025TXII · Walk-around2L&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
May 19, 2025TXII · Walk-around0L&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
Jul 9, 2024TXII · Walk-around1L&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
Jun 18, 2024TXII · Walk-around1L&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
May 31, 2024TXII · Walk-around1L&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
Mar 18, 2024TXII · Walk-around0L&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
Jan 26, 2024TXII · Walk-around5OOSL&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
Jan 23, 2024TXII · Walk-around3L&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
Dec 22, 2023TXII · Walk-around5OOSL&R PRECAST CONCRETE WORKS INC 2053793151B802/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
L&R PRECAST CONCRETE WORKS INC2053793Dec 22, 2023Jun 12, 202612TX
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.
151B802TX2L&R PRECAST CONCRETE WORKS INCDec 22, 2023Jun 12, 202612
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026