Equipment unit · VIN-decoded · NHTSA vPIC

2013 Sun Country Trailers

4S9S6CZ21DP133401 · Trailer · TRAILER
Carriers run under2
10 mo
Inspections4
all-time
OOS inspections0
of 4
First seenApr 9, 2025
TX
Last seenFeb 2, 2026
MO
Inspected under 2 different carriers in 10 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
4S9S6CZ21DP133401
Make
Sun Country Trailers
Model
Sun Country Trailers
Model year
2013
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 14, 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
4S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
S6CZ2

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1983 or 2013

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

North American serial sequence
133401

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
SUN COUNTRY TRAILERS

Prefix basis · 14 decoded VINs at 100.0% prefix purity.

Model
Sun Country Trailers

Prefix basis · 14 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
2013

Observed directly for this VIN via NHTSA vPIC.

Observed make
SUN COUNTRY TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Sun Country 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 · Apr 9, 2025 – Feb 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 2, 2026MOII · Walk-around1LAMY TRANS LLC 40951935541865/ME
Jun 18, 2025CAII · Walk-around3AL 1990 LLC 41943935541865/ME
Apr 14, 2025CAIII · Driver-only2AL 1990 LLC 4194393979365ST/IL
Apr 9, 2025TXII · Walk-around3AL 1990 LLC 4194393QB19BW/FL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LAMY TRANS LLC4095193Feb 2, 2026Feb 2, 20261WA
AL 1990 LLC4194393Apr 9, 2025Jun 18, 20253OH
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.
5541865MELAMY TRANS LLCFeb 2, 2026Feb 2, 20261
5541865MEAL 1990 LLCJun 18, 2025Jun 18, 20251
979365STILAL 1990 LLCApr 14, 2025Apr 14, 20251
QB19BWFLAL 1990 LLCApr 9, 2025Apr 9, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 14, 2026