Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 579

1XPBD49X4MD739034 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections7
all-time
OOS inspections3
of 7
First seenMar 11, 2024
MO
Last seenJun 1, 2026
US
Inspected under 2 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
1XPBD49X4MD739034
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
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 · Mar 11, 2024 – Jun 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 1, 2026USI · Full0—KTR LOGISTICS INC 1992354ZP72527/CA
May 28, 2026USI · Full1—KTR LOGISTICS INC 1992354ZP72527/CA
Apr 30, 2026CAI · Full6OOSKTR LOGISTICS INC 1992354ZP72527/CA
Jan 10, 2026USI · Full0—KTR LOGISTICS INC 1992354ZP72527/CA
Dec 12, 2024MOI · Full0—CENTRAL TRANSPORT LLC 6611733213554/IN
Aug 22, 2024MOII · Walk-around3OOSCENTRAL TRANSPORT LLC 6611733213554/IN
Mar 11, 2024MOII · Walk-around3OOSCENTRAL TRANSPORT LLC 6611733213554/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KTR LOGISTICS INC1992354Jan 10, 2026Jun 1, 20264CA
CENTRAL TRANSPORT LLC661173Mar 11, 2024Dec 12, 20243MI
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.
ZP72527CA—KTR LOGISTICS INCJan 10, 2026 → Jun 1, 20264
3213554IN—CENTRAL TRANSPORT LLCMar 11, 2024 → Dec 12, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026