Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBD49XXLD649319 · Truck-Tractor · TRUCK
Carriers run under3
22 mo
Inspections11
all-time
OOS inspections1
of 11
First seenJul 27, 2024
AR
Last seenMay 6, 2026
UT
Inspected under 3 different carriers in 22 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
1XPBD49XXLD649319
Make
Peterbilt
Model
579
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 17, 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 27, 2024 – May 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 6, 2026UTII · Walk-around5NAHAR TRANSPORT LLC 3371548ZP37482/CA
Apr 21, 2026CAI · Full0NAHAR TRANSPORT LLC 3371548ZP37482/CA
Apr 16, 2026WAII · Walk-around3NAHAR TRANSPORT LLC 3371548ZP37482/CA
Jan 19, 2026WAIII · Driver-only1NAHAR TRANSPORT LLC 3371548ZP37482/CA
Oct 21, 2025CAI · Full4OOSNAHAR TRANSPORT LLC 3371548ZP37482/CA
Oct 2, 2025CAII · Walk-around2NAHAR TRANSPORT LLC 3371548ZP37482/CA
Jun 13, 2025CAII · Walk-around0NAHAR TRANSPORT LLC 3371548ZP37482/CA
Apr 26, 2025CAII · Walk-around0NAHAR TRANSPORT LLC 3371548ZP37482/CA
Oct 28, 2024CAII · Walk-around0SMART CARRIER INC 4038760ZP37482/CA
Jul 29, 2024GAIII · Driver-only1MERCER TRANSPORTATION COMPANY INC 1547123009907/IN
Jul 27, 2024ARI · Full1MERCER TRANSPORTATION COMPANY INC 1547123009907/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NAHAR TRANSPORT LLC3371548Apr 26, 2025May 6, 20268CA
SMART CARRIER INC4038760Oct 28, 2024Oct 28, 20241CA
MERCER TRANSPORTATION COMPANY INC154712Jul 27, 2024Jul 29, 20242KY
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.
ZP37482CANAHAR TRANSPORT LLCApr 26, 2025May 6, 20268
ZP37482CASMART CARRIER INCOct 28, 2024Oct 28, 20241
3009907INMERCER TRANSPORTATION COMPANY INCJul 27, 2024Jul 29, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026