Equipment unit · VIN-decoded · NHTSA vPIC

2011 Sun Country Trailers

4S9CD5317BP133034 · Trailer · TRAILER
Carriers run under4
26 mo
Inspections7
all-time
OOS inspections3
of 7
First seenJan 10, 2024
SD
Last seenMar 1, 2026
AZ
Inspected under 4 different carriers in 26 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
4S9CD5317BP133034
Make
Sun Country Trailers
Model
Sun Country Trailers
Model year
2011
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
4S9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
CD531

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1981 or 2011

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

North American serial sequence
133034

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 · 7 decoded VINs at 100.0% prefix purity.

Model
Sun Country Trailers

Prefix basis · 7 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
2011

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 · Jan 10, 2024 – Mar 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 1, 2026AZII · Walk-around4OOSLCZW CARGO LLC 449212737887AL/WA
Jan 25, 2026AZII · Walk-around2LCZW CARGO LLC 449212737887AL/WA
Jan 7, 2026UTII · Walk-around7OOSLCZW CARGO LLC 449212737887AL/WA
Dec 29, 2025CAIII · Driver-only1RICHROAD LLC 441109437887AL/WA
Nov 25, 2025NVII · Walk-around6OOSCARGO WAVE LLC 425209037887AL/WA
Jan 31, 2024WIII · Walk-around3M AND D TRANSPORT LLC 2309242U146180/SD
Jan 10, 2024SDIII · Driver-only2M AND D TRANSPORT LLC 2309242U146180/SD
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LCZW CARGO LLC4492127Jan 7, 2026Mar 1, 20263IL
RICHROAD LLC4411094Dec 29, 2025Dec 29, 20251MO
CARGO WAVE LLC4252090Nov 25, 2025Nov 25, 20251IL
M AND D TRANSPORT LLC2309242Jan 10, 2024Jan 31, 20242SD
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.
37887ALWALCZW CARGO LLCJan 7, 2026Mar 1, 20263
37887ALWARICHROAD LLCDec 29, 2025Dec 29, 20251
37887ALWACARGO WAVE LLCNov 25, 2025Nov 25, 20251
U146180SDM AND D TRANSPORT LLCJan 10, 2024Jan 31, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 20, 2026