Equipment unit · VIN-decoded · NHTSA vPIC

1999 Harmon

1H9TT4329XL020760 · TRAILER
Carriers run under1
19 mo
Inspections3
all-time
OOS inspections1
of 3
First seenSep 21, 2023
CA
Last seenApr 22, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1H9TT4329XL020760
Make
Harmon
Model
Not decoded
Model year
1999
Body class
Not decoded
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 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
1H9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
TT432

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1999 or 2029

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

North American serial sequence
020760

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
1999

Observed directly for this VIN via NHTSA vPIC.

Observed make
HARMON

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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 · Sep 21, 2023 – Apr 22, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2025CAI · Full0DAVALOS TRANSPORT INC 33519764PN4180/CA
Oct 14, 2024CAI · Full4OOSDAVALOS TRANSPORT INC 33519764PN4180/CA
Sep 21, 2023CAI · Full1DAVALOS TRANSPORT INC 33519764PN4180/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAVALOS TRANSPORT INC3351976Sep 21, 2023Apr 22, 20253CA
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.
4PN4180CADAVALOS TRANSPORT INCSep 21, 2023Apr 22, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 21, 2026