Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 389

1XPXD49X6MD732141 · Truck-Tractor · TRUCK
Carriers run under2
28 mo
Inspections8
all-time
OOS inspections1
of 8
First seen08/29/2023
MD
Last seen12/04/2025
MD
Inspected under 2 different carriers in 28 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
1XPXD49X6MD732141
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
06/21/2026
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 · 08/29/2023 – 12/04/2025

DateStateLevelViol.OOSCarrier (DOT)Plate
12/04/2025MDII · Walk-around0—SYNTHEX ORGANICS LLC 3295186AH19031/PA
10/08/2025MDII · Walk-around0—CHEMSTREAM INC 1842938AH19031/PA
08/13/2025MDII · Walk-around2—CHEMSTREAM INC 18429382550388/ME
10/10/2024TNI · Full2—SYNTHEX ORGANICS LLC 3295186AH19031/PA
06/24/2024MDI · Full1—SYNTHEX ORGANICS LLC 3295186AH19031/PA
12/12/2023MDII · Walk-around0—SYNTHEX ORGANICS LLC 3295186AH19031/PA
09/25/2023VAI · Full5OOSSYNTHEX ORGANICS LLC 3295186AH19031/PA
08/29/2023MDII · Walk-around0—SYNTHEX ORGANICS LLC 3295186AH19031/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SYNTHEX ORGANICS LLC329518608/29/202312/04/20256PA
CHEMSTREAM INC184293808/13/202510/08/20252PA
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.
AH19031PA—SYNTHEX ORGANICS LLC08/29/2023 → 12/04/20256
AH19031PA—CHEMSTREAM INC10/08/2025 → 10/08/20251
2550388ME—CHEMSTREAM INC08/13/2025 → 08/13/20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/21/2026
2021 Peterbilt 389 — VIN 1XPXD49X6MD732141