Equipment unit · VIN-decoded · NHTSA vPIC

1999 Peterbilt 357

1NPAL90X7XD484676 · Truck · INCOMPLETE VEHICLE
Carriers run under2
9 mo
Inspections3
all-time
OOS inspections3
of 3
First seen10/20/2025
CO
Last seen07/11/2026
MI
Inspected under 2 different carriers in 9 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
1NPAL90X7XD484676
Make
Peterbilt
Model
357
Model year
1999
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 · 10/20/2025 – 07/11/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/11/2026MII · Full9OOSBLACK DIAMOND ASPHALT LLC 4580847560XHM/NM
05/30/2026MII · Full31OOSBLACK DIAMOND ASPHALT LLC 4580847560XHM/NM
10/20/2025COII · Walk-around23OOSWILLIAM RILEY 3017087560XHM/NM
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BLACK DIAMOND ASPHALT LLC458084705/30/202607/11/20262MI
WILLIAM RILEY301708710/20/202510/20/20251OK
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.
560XHMNM1BLACK DIAMOND ASPHALT LLC05/30/2026 → 07/11/20262
560XHMNM—WILLIAM RILEY10/20/2025 → 10/20/20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 07/26/2026