Equipment unit · VIN-decoded · NHTSA vPIC

2003 Heil Trailer International

5JLSN422X35T06749 · Trailer · TRAILER
Carriers run under1
29 mo
Inspections22
all-time
OOS inspections4
of 22
First seenFeb 5, 2024
TX
Last seenJul 9, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5JLSN422X35T06749
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2003
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
5JL

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SN422

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
2003 or 2033

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

North American serial sequence
T06749

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 · 18 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 18 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
2003

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 · Feb 5, 2024 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026TXI · Full9OOSDIAMOND BACK TRANSPORT INC 1952907152C980/TX
Jun 25, 2026TXII · Walk-around0DIAMOND BACK TRANSPORT INC 1952907152C980/TX
May 20, 2026TXII · Walk-around0DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Apr 23, 2026TXII · Walk-around0DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Nov 19, 2025TXIII · Driver-only0DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Jul 17, 2025TXII · Walk-around2DIAMOND BACK TRANSPORT INC 1952907152C980/TX
May 20, 2025TXI · Full5OOSDIAMOND BACK TRANSPORT INC 1952907152C980/TX
Apr 10, 2025TXII · Walk-around1DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Mar 10, 2025TXII · Walk-around0DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Feb 17, 2025TXII · Walk-around1DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Feb 14, 2025TXII · Walk-around5DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Nov 22, 2024TXII · Walk-around0DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Nov 19, 2024TXII · Walk-around2OOSDIAMOND BACK TRANSPORT INC 1952907152C980/TX
Nov 8, 2024TXII · Walk-around0DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Oct 12, 2024TXIII · Driver-only2DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Oct 8, 2024TXII · Walk-around5DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Sep 5, 2024TXII · Walk-around0DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Aug 9, 2024TXII · Walk-around1OOSDIAMOND BACK TRANSPORT INC 1952907152C980/TX
Jul 12, 2024TXII · Walk-around3DIAMOND BACK TRANSPORT INC 1952907152C980/TX
May 22, 2024TXIII · Driver-only1DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Mar 7, 2024TXII · Walk-around2DIAMOND BACK TRANSPORT INC 1952907152C980/TX
Feb 5, 2024TXI · Full4DIAMOND BACK TRANSPORT INC 1952907152C980/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAMOND BACK TRANSPORT INC1952907Feb 5, 2024Jul 9, 202622TX
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.
152C980TX2DIAMOND BACK TRANSPORT INCFeb 5, 2024Jul 9, 202622
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026