Equipment unit · VIN-decoded · NHTSA vPIC

2025 Atc Trailers

4A9A15337SM260186 · Trailer · TRAILER
Carriers run under6
16 mo
Inspections9
all-time
OOS inspections1
of 9
First seenJan 14, 2025
AR
Last seenMay 30, 2026
NC
Inspected under 6 different carriers in 16 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
4A9A15337SM260186
Make
Atc Trailers
Model
ATC TRAILERS
Model year
2025
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
4A9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
A1533

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
260186

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 · Jan 14, 2025 – May 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 30, 2026NCIII · Driver-only0UNITRANSPORT LLC 45509865486971/ME
May 7, 2026MOI · Full9PK LOGISTIX LLC 45217235486971/ME
Apr 21, 2026SCII · Walk-around1PK LOGISTIX LLC 45217235486971/ME
Mar 10, 2026MSI · Full0KLM 20 LLC 44591305486971/ME
Aug 20, 2025IAII · Walk-around15OOSBM 5 EXPRESS LLC 42521145486971/ME
Mar 3, 2025MTII · Walk-around0CRYSTAL TRUCKING INC 11651565486971/ME
Feb 14, 2025TNI · Full0CRYSTAL TRUCKING INC 1165156011259A43/SC
Jan 30, 2025FLI · Full4CRYSTAL TRUCKING INC 1165156011259A43/IL
Jan 14, 2025ARII · Walk-around2GFT EXPRESS LLC 4225562011259A43/IL
03

Carriers this unit has run under

6 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNITRANSPORT LLC4550986May 30, 2026May 30, 20261WA
PK LOGISTIX LLC4521723Apr 21, 2026May 7, 20262WA
KLM 20 LLC4459130Mar 10, 2026Mar 10, 20261WI
BM 5 EXPRESS LLC4252114Aug 20, 2025Aug 20, 20251IL
CRYSTAL TRUCKING INC1165156Jan 30, 2025Mar 3, 20253IN
GFT EXPRESS LLC4225562Jan 14, 2025Jan 14, 20251IN
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.
5486971MEUNITRANSPORT LLCMay 30, 2026May 30, 20261
5486971MEPK LOGISTIX LLCApr 21, 2026May 7, 20262
5486971MEKLM 20 LLCMar 10, 2026Mar 10, 20261
5486971MEBM 5 EXPRESS LLCAug 20, 2025Aug 20, 20251
5486971MECRYSTAL TRUCKING INCMar 3, 2025Mar 3, 20251
011259A43SCCRYSTAL TRUCKING INCFeb 14, 2025Feb 14, 20251
011259A43ILCRYSTAL TRUCKING INCJan 30, 2025Jan 30, 20251
011259A43ILGFT EXPRESS LLCJan 14, 2025Jan 14, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026