Equipment unit · VIN-decoded · NHTSA vPIC

1999 Peterbilt 379

1XP5DB9XXXN474121 · Truck-Tractor · TRUCK
Carriers run under2
16 mo
Inspections5
all-time
OOS inspections3
of 5
First seenMay 15, 2024
LA
Last seenSep 1, 2025
TX
Inspected under 2 different carriers in 16 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
1XP5DB9XXXN474121
Make
Peterbilt
Model
379
Model year
1999
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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 · May 15, 2024 – Sep 1, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 1, 2025TXII · Walk-around27OOSDJ FIELD SERVICING LLC 2471011A556505/MS
May 14, 2025LAIII · Driver-only0—T LAMBERT INCORPORATED 266764A534753/MS
Apr 7, 2025TXII · Walk-around6OOST LAMBERT INCORPORATED 266764A534753/MS
Jun 25, 2024TXII · Walk-around2OOST LAMBERT INCORPORATED 266764A534753/MS
May 15, 2024LAI · Full0—T LAMBERT INCORPORATED 266764A494648/MS
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DJ FIELD SERVICING LLC2471011Sep 1, 2025Sep 1, 20251MS
T LAMBERT INCORPORATED266764May 15, 2024May 14, 20254MS
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.
A556505MS—DJ FIELD SERVICING LLCSep 1, 2025 → Sep 1, 20251
A534753MS—T LAMBERT INCORPORATEDJun 25, 2024 → May 14, 20253
A494648MS—T LAMBERT INCORPORATEDMay 15, 2024 → May 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026