Equipment unit · VIN-decoded · NHTSA vPIC

2025 Atc Trailers

4A9A15332SM260211 · Trailer · TRAILER
Carriers run under4
17 mo
Inspections9
all-time
OOS inspections4
of 9
First seenMar 1, 2025
NV
Last seenAug 10, 2026
KS
Inspected under 4 different carriers in 17 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
4A9A15332SM260211
Make
Atc Trailers
Model
ATC TRAILERS
Model year
2025
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 18, 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
2 · valid

Deterministic · position 9; calculated value 2.

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
260211

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 · Mar 1, 2025 – Aug 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 10, 2026KSI · Full2OOSLADA TRANS INC 29983815516412/ME
May 13, 2026MSI · Full0UNITRANSPORT LLC 4550986551-6412/ME
Aug 31, 2025MOI · Full2OOSBM 5 EXPRESS LLC 42521145516412/ME
Aug 12, 2025TNI · Full0BM 5 EXPRESS LLC 42521145516412/ME
Jul 21, 2025MOI · Full3BM 5 EXPRESS LLC 42521145516412/ME
Jul 17, 2025CAIII · Driver-only2BM 5 EXPRESS LLC 42521145516412/ME
Mar 22, 2025FLI · Full3OOSCRYSTAL TRUCKING INC 11651565516412/ME
Mar 13, 2025NCI · Full1OOSCRYSTAL TRUCKING INC 11651565516412/ME
Mar 1, 2025NVI · Full0CRYSTAL TRUCKING INC 1165156011259A66/IL
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LADA TRANS INC2998381Aug 10, 2026Aug 10, 20261IN
UNITRANSPORT LLC4550986May 13, 2026May 13, 20261WA
BM 5 EXPRESS LLC4252114Jul 17, 2025Aug 31, 20254IL
CRYSTAL TRUCKING INC1165156Mar 1, 2025Mar 22, 20253IN
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.
5516412ME2LADA TRANS INCAug 10, 2026Aug 10, 20261
551-6412MEUNITRANSPORT LLCMay 13, 2026May 13, 20261
5516412MEBM 5 EXPRESS LLCJul 17, 2025Aug 31, 20254
5516412MECRYSTAL TRUCKING INCMar 13, 2025Mar 22, 20252
011259A66ILCRYSTAL TRUCKING INCMar 1, 2025Mar 1, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026