Equipment unit · VIN-decoded · NHTSA vPIC

2025 Atc Trailers

4A9A15333SM260170 · Trailer · TRAILER
Carriers run under3
9 mo
Inspections7
all-time
OOS inspections6
of 7
First seenMay 14, 2025
PA
Last seenFeb 20, 2026
IL
Inspected under 3 different carriers in 9 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
4A9A15333SM260170
Make
Atc Trailers
Model
ATC TRAILERS
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 20, 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
4A9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
A1533

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
260170

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
ATC TRAILERS

Prefix basis · 67 decoded VINs at 100.0% prefix purity.

Model
ATC TRAILERS

Prefix basis · 67 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
ATC TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
ATC 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 · May 14, 2025 – Feb 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 20, 2026ILI · Full5OOSBULLRUN TRANSPORT LLC 44781665478798/ME
Feb 18, 2026KSII · Walk-around5OOSBULLRUN TRANSPORT LLC 44781665478798/ME
Sep 23, 2025TNI · Full8OOSMARFA FREIGHT LLC 44452165478798/ME
Sep 22, 2025TNI · Full5OOSMARFA FREIGHT LLC 44452165478798/ME
Jul 12, 2025TXII · Walk-around3OOSDORATRANS LLC 43556875478798/ME
May 26, 2025FLI · Full15OOSDORATRANS LLC 43556875478798/ME
May 14, 2025PAIII · Driver-only2DORATRANS LLC 43556875478798/ME
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BULLRUN TRANSPORT LLC4478166Feb 18, 2026Feb 20, 20262IL
MARFA FREIGHT LLC4445216Sep 22, 2025Sep 23, 20252IL
DORATRANS LLC4355687May 14, 2025Jul 12, 20253IL
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.
5478798MEBULLRUN TRANSPORT LLCFeb 18, 2026Feb 20, 20262
5478798MEMARFA FREIGHT LLCSep 22, 2025Sep 23, 20252
5478798MEDORATRANS LLCMay 14, 2025Jul 12, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026