Equipment unit · VIN-decoded · NHTSA vPIC

2025 Aspen Custom Trailers

2A9JT4538SN125144 · Trailer · TRAILER
Carriers run under1
3 mo
Inspections18
all-time
OOS inspections0
of 18
First seenJun 26, 2025
PA
Last seenSep 19, 2025
PA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
2A9JT4538SN125144
Make
Aspen Custom Trailers
Model
ASPEN CUSTOM TRAILERS
Model year
2025
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
2A9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
JT453

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1995 or 2025

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

North American serial sequence
125144

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
ASPEN CUSTOM TRAILERS

Prefix basis · 11 decoded VINs at 100.0% prefix purity.

Model
ASPEN CUSTOM TRAILERS

Prefix basis · 11 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
2025

Observed directly for this VIN via NHTSA vPIC.

Observed make
ASPEN CUSTOM TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
ASPEN CUSTOM TRAILERS

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 · Jun 26, 2025 – Sep 19, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 19, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Sep 15, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Sep 4, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Aug 25, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Aug 21, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Aug 18, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Aug 14, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Aug 11, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Aug 4, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Jul 28, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Jul 24, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Jul 21, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 276684548-2406/ME
Jul 14, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845448147/ME
Jul 14, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482408/ME
Jul 10, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Jul 1, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
Jun 30, 2025MDII · Walk-around6SOUTHERN TIER EXPRESS INC 2766845482406/ME
Jun 26, 2025PAI · Full0SOUTHERN TIER EXPRESS INC 2766845482406/ME
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHERN TIER EXPRESS INC276684Jun 26, 2025Sep 19, 202518NY
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.
5482406MESOUTHERN TIER EXPRESS INCJun 26, 2025Sep 19, 202515
548-2406MESOUTHERN TIER EXPRESS INCJul 21, 2025Jul 21, 20251
5448147MESOUTHERN TIER EXPRESS INCJul 14, 2025Jul 14, 20251
5482408MESOUTHERN TIER EXPRESS INCJul 14, 2025Jul 14, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026