Equipment unit · VIN-decoded · NHTSA vPIC

2004 Peterbilt 357

1NPAL00X14D834407 · Truck · INCOMPLETE VEHICLE
Carriers run under2
19 mo
Inspections3
all-time
OOS inspections3
of 3
First seen12/01/2023
TX
Last seen07/15/2025
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
1NPAL00X14D834407
Make
Peterbilt
Model
357
Model year
2004
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
07/26/2026
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 · 12/01/2023 – 07/15/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
07/15/2025TXII · Walk-around2OOSAD CONCRETE SERVICES LLC 4186524SYG5991/TX
05/13/2025TXII · Walk-around3OOSAD CONCRETE SERVICES LLC 4186524SYG5991/TX
12/01/2023TXII · Walk-around6OOSA&L CONCRETE LLC 3238580SYG5991/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AD CONCRETE SERVICES LLC418652405/13/202507/15/20252TX
A&L CONCRETE LLC323858012/01/202312/01/20231TX
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.
SYG5991TX—AD CONCRETE SERVICES LLC05/13/2025 → 07/15/20252
SYG5991TX—A&L CONCRETE LLC12/01/2023 → 12/01/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/26/2026