Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBDP9X0MD707568 · Truck-Tractor · TRUCK
Carriers run under3
35 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 12, 2023
MS
Last seenJun 10, 2026
TN
Inspected under 3 different carriers in 35 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
1XPBDP9X0MD707568
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 31, 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 · Jul 12, 2023 – Jun 10, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 10, 2026TNIII · Driver-only0—COLDIRON SPECIALIZED DRIVEAWAY INC 603605WP54990/WI
Jan 7, 2026TXI · Full0—STG DRAYAGE LLC 6881433746649/IN
Jul 12, 2023MSII · Walk-around0—NEW PRIME INC 370626KR0V/MO
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COLDIRON SPECIALIZED DRIVEAWAY INC603605Jun 10, 2026Jun 10, 20261OK
STG DRAYAGE LLC688143Jan 7, 2026Jan 7, 20261OH
NEW PRIME INC3706Jul 12, 2023Jul 12, 20231MO
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.
WP54990WI—COLDIRON SPECIALIZED DRIVEAWAY INCJun 10, 2026 → Jun 10, 20261
3746649IN—STG DRAYAGE LLCJan 7, 2026 → Jan 7, 20261
26KR0VMO—NEW PRIME INCJul 12, 2023 → Jul 12, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026