Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49XXRD655775 · Truck-Tractor · TRUCK
Carriers run under2
11 mo
Inspections8
all-time
OOS inspections2
of 8
First seenMay 13, 2025
CO
Last seenApr 22, 2026
CA
Inspected under 2 different carriers in 11 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
1XPBD49XXRD655775
Make
Peterbilt
Model
579
Model year
2024
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 · May 13, 2025 – Apr 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2026CAI · Full1OOSWELKIN TRANSPORT LTD 256143794384P/BC
Apr 22, 2026CAI · Full0—WELKIN TRANSPORT LTD 256143794384P/BC
Mar 20, 2026MTIII · Driver-only0—WELKIN TRANSPORT LTD 256143794384P/BC
Dec 18, 2025CAI · Full1OOSZINCO TRANSPORT LTD 251021593001P/BC
Dec 16, 2025CAII · Walk-around0—ZINCO TRANSPORT LTD 251021593001P/BC
Sep 23, 2025COIII · Driver-only0—ZINCO TRANSPORT LTD 251021593001P/BC
Jun 23, 2025MNIII · Driver-only2—ZINCO TRANSPORT LTD 251021593001P/BC
May 13, 2025COIII · Driver-only0—ZINCO TRANSPORT LTD 251021593001P/BC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WELKIN TRANSPORT LTD2561437Mar 20, 2026Apr 22, 20263BC
ZINCO TRANSPORT LTD2510215May 13, 2025Dec 18, 20255BC
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.
94384PBC—WELKIN TRANSPORT LTDMar 20, 2026 → Apr 22, 20263
93001PBC—ZINCO TRANSPORT LTDMay 13, 2025 → Dec 18, 20255
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026