Equipment unit · VIN-decoded · NHTSA vPIC

2023 Lamar Trailers

5RVFS4028PP120522 · Trailer · TRAILER
Carriers run under2
26 mo
Inspections2
all-time
OOS inspections1
of 2
First seenApr 25, 2024
WA
Last seenJun 16, 2026
WA
Inspected under 2 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
5RVFS4028PP120522
Make
Lamar Trailers
Model
LAMAR TRAILERS
Model year
2023
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Sep 24, 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
5RV

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FS402

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
120522

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
LAMAR TRAILERS

Prefix basis · 48 decoded VINs at 100.0% prefix purity.

Model
LAMAR TRAILERS

Prefix basis · 48 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
LAMAR TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
LAMAR 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 25, 2024 – Jun 16, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 16, 2026WAII · Walk-around6OOSFULL IMPACT SERVICES LLC 4215153HW05775/OR
Apr 25, 2024WAII · Walk-around1—DIAMONDBACK DELIVERY SERVICE INC 145013326061AK/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FULL IMPACT SERVICES LLC4215153Jun 16, 2026Jun 16, 20261OR
DIAMONDBACK DELIVERY SERVICE INC1450133Apr 25, 2024Apr 25, 20241WA
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.
HW05775OR2FULL IMPACT SERVICES LLCJun 16, 2026 → Jun 16, 20261
26061AKWA—DIAMONDBACK DELIVERY SERVICE INCApr 25, 2024 → Apr 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 24, 2026