Equipment unit · VIN-decoded · NHTSA vPIC

2005 Heil Trailer International

5HTAM252957D68138 · Trailer · TRAILER
Carriers run under2
25 mo
Inspections7
all-time
OOS inspections1
of 7
First seenAug 19, 2023
CA
Last seenSep 25, 2025
CA
Inspected under 2 different carriers in 25 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
5HTAM252957D68138
Make
Heil Trailer International
Model
Heil Trailer International
Model year
2005
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 21, 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
AM252

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
2005 or 2035

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

North American serial sequence
D68138

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 · 45 decoded VINs at 100.0% prefix purity.

Model
Heil Trailer International

Prefix basis · 45 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
2005

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 · Aug 19, 2023 – Sep 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 25, 2025CAIII · Driver-only1TOP FUEL TRANSPORT LLC 33055674FH9401/CA
Apr 23, 2025CAII · Walk-around0TOP FUEL TRANSPORT LLC 33055674FH9401/CA
Jan 23, 2025CAI · Full0CHALLENGER TANK LINES INC 8739484FH9401/CA
Jul 27, 2024CAII · Walk-around2CHALLENGER TANK LINES INC 8739484FH9401/CA
Jun 29, 2024CAI · Full0CHALLENGER TANK LINES INC 8739484FH9401/CA
Aug 19, 2023CAI · Full1OOSCHALLENGER TANK LINES INC 8739484FH9401/CA
Aug 19, 2023CAI · Full0CHALLENGER TANK LINES INC 8739484FH9401/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TOP FUEL TRANSPORT LLC3305567Apr 23, 2025Sep 25, 20252CA
CHALLENGER TANK LINES INC873948Aug 19, 2023Jan 23, 20255CA
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.
4FH9401CATOP FUEL TRANSPORT LLCApr 23, 2025Sep 25, 20252
4FH9401CACHALLENGER TANK LINES INCAug 19, 2023Jan 23, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026