Equipment unit · VIN-decoded · NHTSA vPIC

2023 Appalachian Trailers Inc.

7SGGC433XPS000456 · Trailer · TRAILER
Carriers run under2
19 mo
Inspections6
all-time
OOS inspections4
of 6
First seenSep 18, 2024
SC
Last seenApr 21, 2026
IL
Inspected under 2 different carriers in 19 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
7SGGC433XPS000456
Make
Appalachian Trailers Inc.
Model
Appalachian Trailers Inc.
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 25, 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
7SG

Deterministic · VIN positions 1–3.

Vehicle descriptor section
GC433

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1993 or 2023

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

North American serial sequence
Not established

Not asserted outside North American WMIs; positions 12–17 may follow another regional convention.

No source established for this field.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
APPALACHIAN TRAILERS INC.

Prefix basis · 13 decoded VINs at 100.0% prefix purity.

Model
Appalachian Trailers Inc.

Prefix basis · 13 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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
APPALACHIAN TRAILERS INC.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Appalachian Trailers Inc.

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

  • serial sequence (positions 12–17 are only asserted for North American VINs)
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 18, 2024 – Apr 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 21, 2026ILI · Full13OOSRBS CONSTRUCTION SERVICES INC 4306954E6403I/FL
Apr 20, 2026ILII · Walk-around19OOSRBS CONSTRUCTION SERVICES INC 4306954E6403I/FL
Feb 24, 2026NCIII · Driver-only0RBS CONSTRUCTION SERVICES INC 4306954E6403I/FL
Feb 5, 2026FLII · Walk-around15OOSRBS CONSTRUCTION SERVICES INC 4306954E6403I/FL
Dec 2, 2025TNIII · Driver-only0RBS CONSTRUCTION SERVICES INC 4306954DM91PB/FL
Sep 18, 2024SCIII · Driver-only3OOSISK TRANSPORT LLC 4054708RKWK95/FL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RBS CONSTRUCTION SERVICES INC4306954Dec 2, 2025Apr 21, 20265MA
ISK TRANSPORT LLC4054708Sep 18, 2024Sep 18, 20241NJ
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.
E6403IFLRBS CONSTRUCTION SERVICES INCFeb 5, 2026Apr 21, 20264
DM91PBFLRBS CONSTRUCTION SERVICES INCDec 2, 2025Dec 2, 20251
RKWK95FLISK TRANSPORT LLCSep 18, 2024Sep 18, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026