Equipment unit · VIN-decoded · NHTSA vPIC

2015 Dragon Esp

591SH4828FC141461 · Trailer · TRAILER
Carriers run under1
35 mo
Inspections4
all-time
OOS inspections0
of 4
First seenAug 10, 2023
CA
Last seenJul 30, 2026
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
591SH4828FC141461
Make
Dragon Esp
Model
Dragon ESP
Model year
2015
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Aug 4, 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
591

Deterministic · VIN positions 1–3.

Vehicle descriptor section
SH482

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1985 or 2015

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

North American serial sequence
141461

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
DRAGON ESP

Prefix basis · 30 decoded VINs at 100.0% prefix purity.

Model
Dragon ESP

Prefix basis · 30 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
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
DRAGON ESP

Observed directly for this VIN via NHTSA vPIC.

Observed model
Dragon ESP

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 10, 2023 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026AZII · Walk-around3EFR ENVIRONMENTAL SERVICES INC 6666274NP5144/CA
Apr 21, 2026CAI · Full3EFR ENVIRONMENTAL SERVICES INC 6666274NP5144/CA
May 20, 2025AZII · Walk-around1EFR ENVIRONMENTAL SERVICES INC 6666274NP5144/CA
Aug 10, 2023CAI · Full0EFR ENVIRONMENTAL SERVICES INC 6666274NP5144/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EFR ENVIRONMENTAL SERVICES INC666627Aug 10, 2023Jul 30, 20264CA
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.
4NP5144CA2EFR ENVIRONMENTAL SERVICES INCAug 10, 2023Jul 30, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 4, 2026