Equipment unit · VIN-decoded · NHTSA vPIC

2000 R.a.m. trailers R.A.M. TRAILERS

1R91A3923YH336161 · Trailer · TRAILER
Carriers run under2
13 mo
Inspections4
all-time
OOS inspections1
of 4
First seenMar 1, 2025
CA
Last seenApr 7, 2026
CA
Inspected under 2 different carriers in 13 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
1R91A3923YH336161
Make
R.a.m. trailers
Model
R.A.M. TRAILERS
Model year
2000
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 7, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Mar 1, 2025 – Apr 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 7, 2026CAIII · Driver-only1—EDWIN A MAZARIEGOS RAMOS 16321994PX3427/CA
Jan 12, 2026CAII · Walk-around0—EDWIN A MAZARIEGOS RAMOS 16321994PX3427/CA
Dec 12, 2025CAII · Walk-around10OOSEDWIN A MAZARIEGOS RAMOS 16321994PX3427/CA
Mar 1, 2025CAII · Walk-around1—MELS TRUCKING INC 26933144PX3427/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EDWIN A MAZARIEGOS RAMOS1632199Dec 12, 2025Apr 7, 20263CA
MELS TRUCKING INC2693314Mar 1, 2025Mar 1, 20251CA
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.
4PX3427CA—EDWIN A MAZARIEGOS RAMOSDec 12, 2025 → Apr 7, 20263
4PX3427CA—MELS TRUCKING INCMar 1, 2025 → Mar 1, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026