Equipment unit · VIN-decoded · NHTSA vPIC

1999 Wabash Wabash National Corporation

1JJF482W6XS507750 · Trailer · TRAILER
Carriers run under4
34 mo
Inspections10
all-time
OOS inspections7
of 10
First seenSep 26, 2023
TX
Last seenJul 15, 2026
TX
Inspected under 4 different carriers in 34 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
1JJF482W6XS507750
Make
Wabash
Model
Wabash National Corporation
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 17, 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
1JJ

Deterministic · VIN positions 1–3.

Vehicle descriptor section
F482W

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1999 or 2029

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

North American serial sequence
507750

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
WABASH

Prefix basis · 267 decoded VINs at 100.0% prefix purity.

Model
Wabash National Corporation

Prefix basis · 267 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
1999

Observed directly for this VIN via NHTSA vPIC.

Observed make
WABASH

Observed directly for this VIN via NHTSA vPIC.

Observed model
Wabash National Corporation

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 · Sep 26, 2023 – Jul 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 15, 2026TXII · Walk-around7OOSDAVID MENDOZA LOPEZ 89473775M859N/TX
Jun 29, 2026TXII · Walk-around7OOSDAVID MENDOZA LOPEZ 89473780V385W/TX
Apr 13, 2026TXII · Walk-around5DAVID MENDOZA LOPEZ 89473773Z280W/TX
Jan 15, 2026TXI · Full21OOSTRANSPORTES ROMS LLC 362149843Z166W/TX
Nov 12, 2025TXII · Walk-around11OOS4HM TRUCKING LLC 418823077X074W/TX
Apr 29, 2025TXII · Walk-around44HM TRUCKING LLC 418823093W842V/TX
Nov 10, 2024TXII · Walk-around3OOS4HM TRUCKING LLC 418823052Z636V/TX
Apr 25, 2024USI · Full8OOS4HM TRUCKING LLC 418823050V402V/TX
Oct 22, 2023USII · Walk-around3OOSSANTA MONICA EXPRESS LLC 3209477226B181/TX
Sep 26, 2023TXII · Walk-around1SANTA MONICA EXPRESS LLC 3209477226B181/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DAVID MENDOZA LOPEZ894737Apr 13, 2026Jul 15, 20263CH
TRANSPORTES ROMS LLC3621498Jan 15, 2026Jan 15, 20261TX
4HM TRUCKING LLC4188230Apr 25, 2024Nov 12, 20254TX
SANTA MONICA EXPRESS LLC3209477Sep 26, 2023Oct 22, 20232TX
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.
75M859NTX2DAVID MENDOZA LOPEZJul 15, 2026Jul 15, 20261
80V385WTX2DAVID MENDOZA LOPEZJun 29, 2026Jun 29, 20261
73Z280WTXDAVID MENDOZA LOPEZApr 13, 2026Apr 13, 20261
43Z166WTXTRANSPORTES ROMS LLCJan 15, 2026Jan 15, 20261
77X074WTX4HM TRUCKING LLCNov 12, 2025Nov 12, 20251
93W842VTX4HM TRUCKING LLCApr 29, 2025Apr 29, 20251
52Z636VTX4HM TRUCKING LLCNov 10, 2024Nov 10, 20241
50V402VTX4HM TRUCKING LLCApr 25, 2024Apr 25, 20241
226B181TXSANTA MONICA EXPRESS LLCSep 26, 2023Oct 22, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026