Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 389

1XPXD49XXMD746687 · Truck-Tractor · TRUCK
Carriers run under3
27 mo
Inspections8
all-time
OOS inspections0
of 8
First seenDec 28, 2023
TX
Last seenMar 18, 2026
TX
Inspected under 3 different carriers in 27 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
1XPXD49XXMD746687
Make
Peterbilt
Model
389
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
Jun 25, 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 · Dec 28, 2023 – Mar 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 18, 2026TXII · Walk-around0—QUANTIX LIQUID TRANSPORTATION INC 3281033684305/IN
Jan 13, 2026TXI · Full0—QUANTIX LIQUID TRANSPORTATION INC 3281033684305/IN
Mar 26, 2025KYII · Walk-around0—QUANTIX LIQUID TRANSPORTATION INC 3281033684305/IN
Oct 4, 2024ILII · Walk-around2—QUANTIX LIQUID TRANSPORTATION INC 328103R507744/TX
Apr 18, 2024TXI · Full0—ALTOM TRANSPORT INC 297572R507744/TX
Mar 4, 2024CAII · Walk-around1—QUANTIX LIQUID TRANSPORTATION INC 328103R507744/TX
Feb 29, 2024CAII · Walk-around0—QUANTIX LIQUID TRANSPORTATION INC 328103R507744/TX
Dec 28, 2023TXII · Walk-around0—M C TANK TRANSPORT INC 81405R507744/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
QUANTIX LIQUID TRANSPORTATION INC328103Feb 29, 2024Mar 18, 20266IL
ALTOM TRANSPORT INC297572Apr 18, 2024Apr 18, 20241IL
M C TANK TRANSPORT INC81405Dec 28, 2023Dec 28, 20231OH
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.
3684305IN1QUANTIX LIQUID TRANSPORTATION INCMar 26, 2025 → Mar 18, 20263
R507744TX1QUANTIX LIQUID TRANSPORTATION INCFeb 29, 2024 → Oct 4, 20243
R507744TX1ALTOM TRANSPORT INCApr 18, 2024 → Apr 18, 20241
R507744TX1M C TANK TRANSPORT INCDec 28, 2023 → Dec 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026