Equipment unit · VIN-decoded · NHTSA vPIC

2000 R.a.m. Trailers

1R91A3928YH336236 · Trailer · TRAILER
Carriers run under2
19 mo
Inspections6
all-time
OOS inspections1
of 6
First seenDec 6, 2023
TX
Last seenJul 10, 2025
TX
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
1R91A3928YH336236
Make
R.a.m. Trailers
Model
R.A.M. TRAILERS
Model year
2000
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 22, 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
1R9

Deterministic · VIN positions 1–3.

Vehicle descriptor section
1A392

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
2000 or 2030

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

North American serial sequence
336236

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
R.A.M. TRAILERS

Prefix basis · 19 decoded VINs at 100.0% prefix purity.

Model
R.A.M. TRAILERS

Prefix basis · 19 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
2000

Observed directly for this VIN via NHTSA vPIC.

Observed make
R.A.M. TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
R.A.M. 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 · Dec 6, 2023 – Jul 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 10, 2025TXI · Full3WYATT TRANSPORTATION L P 1144406247C350/TX
Jun 2, 2025TXII · Walk-around0WYATT TRANSPORTATION L P 1144406247C350/TX
May 30, 2025TXII · Walk-around0WYATT TRANSPORTATION L P 1144406247C350/TX
Oct 16, 2024TXI · Full2OOSAGGREGATE HAULERS I L P 1021485247C350/TX
Sep 10, 2024TXII · Walk-around0AGGREGATE HAULERS I L P 1021485247C350/TX
Dec 6, 2023TXI · Full2AGGREGATE HAULERS I L P 1021485197B444/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WYATT TRANSPORTATION L P1144406May 30, 2025Jul 10, 20253TX
AGGREGATE HAULERS I L P1021485Dec 6, 2023Oct 16, 20243TX
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.
247C350TXWYATT TRANSPORTATION L PMay 30, 2025Jul 10, 20253
247C350TXAGGREGATE HAULERS I L PSep 10, 2024Oct 16, 20242
197B444TXAGGREGATE HAULERS I L PDec 6, 2023Dec 6, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026