Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X4PD837162 · Truck-Tractor · TRUCK
Carriers run under3
26 mo
Inspections10
all-time
OOS inspections3
of 10
First seenMay 2, 2024
CA
Last seenJul 30, 2026
CA
Inspected under 3 different carriers in 26 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
1XPBD49X4PD837162
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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 2, 2024 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026CAII · Walk-around0—GILL BRO TRANZ INC 4141034ZP73993/CA
Jul 19, 2026CAII · Walk-around0—GILL BRO TRANZ INC 4141034ZP73993/CA
May 12, 2026CAI · Full6OOSGILL BRO TRANZ INC 4141034ZP73993/CA
May 6, 2026CAII · Walk-around0—GILL BRO TRANZ INC 4141034ZP73993/CA
Mar 4, 2026CAII · Walk-around0—GILL BRO TRANZ INC 4141034ZP73993/CA
Feb 26, 2026CAII · Walk-around1—GILL BRO TRANZ INC 4141034ZP73993/CA
Feb 13, 2025CAIII · Driver-only1—RANDHAWA BROS TRANS INC 3412088ZP47753/CA
Feb 12, 2025CAII · Walk-around2OOSRANDHAWA BROS TRANS INC 3412088ZP47753/CA
Nov 23, 2024CAII · Walk-around1—BRAWLEY TRANSPORT INC 3374454ZP24093/CA
May 2, 2024CAI · Full2OOSBRAWLEY TRANSPORT INC 3374454ZP24093/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GILL BRO TRANZ INC4141034Feb 26, 2026Jul 30, 20266CA
RANDHAWA BROS TRANS INC3412088Feb 12, 2025Feb 13, 20252IN
BRAWLEY TRANSPORT INC3374454May 2, 2024Nov 23, 20242CA
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.
ZP73993CA1GILL BRO TRANZ INCFeb 26, 2026 → Jul 30, 20266
ZP47753CA—RANDHAWA BROS TRANS INCFeb 12, 2025 → Feb 13, 20252
ZP24093CA—BRAWLEY TRANSPORT INCMay 2, 2024 → Nov 23, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026