Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X4MD754522 · Truck-Tractor · TRUCK
Carriers run under2
18 mo
Inspections4
all-time
OOS inspections1
of 4
First seenNov 5, 2024
CO
Last seenMay 28, 2026
UT
Inspected under 2 different carriers in 18 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
1XPBD49X4MD754522
Make
Peterbilt
Model
579
Model year
2021
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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 · Nov 5, 2024 – May 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 28, 2026UTIII · Driver-only2OOSC & A TRANSPORT LLC 2361425PR54491/SD
Mar 12, 2026SDI · Full0C & A TRANSPORT LLC 2361425PR55491/SD
Nov 28, 2025CAIII · Driver-only2C & A TRANSPORT LLC 2361425PR54491/SD
Nov 5, 2024COIII · Driver-only0GREENWOOD MOTOR LINES INC 633913110735/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
C & A TRANSPORT LLC2361425Nov 28, 2025May 28, 20263SD
GREENWOOD MOTOR LINES INC63391Nov 5, 2024Nov 5, 20241OH
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.
PR54491SDC & A TRANSPORT LLCNov 28, 2025May 28, 20262
PR55491SDC & A TRANSPORT LLCMar 12, 2026Mar 12, 20261
3110735INGREENWOOD MOTOR LINES INCNov 5, 2024Nov 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026