Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X8JD421056 · Truck-Tractor · TRUCK
Carriers run under3
24 mo
Inspections10
all-time
OOS inspections2
of 10
First seenJul 26, 2023
CA
Last seenJul 11, 2025
CA
Inspected under 3 different carriers in 24 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
1XPBD49X8JD421056
Make
Peterbilt
Model
579
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 18, 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 26, 2023 – Jul 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 11, 2025CAII · Walk-around0—CALSPEED INC 2824760ZP01063/CA
Jun 11, 2025NVI · Full1—CALSPEED INC 2824760ZP01063/CA
Jan 31, 2025CAII · Walk-around1OOSCALSPEED INC 2824760ZP01063/CA
Aug 19, 2024CAII · Walk-around0—R DEEP TRANSPORTATION INC 2265911ZP01063/CA
Jul 4, 2024GAIII · Driver-only1—MORRISTOWN DRIVER'S SERVICE INC 252487H1082HY/TN
Jun 19, 2024CAII · Walk-around0—CALSPEED INC 2824760ZP01063/CA
Jun 5, 2024CAIII · Driver-only0—CALSPEED INC 2824760ZP01063/CA
May 15, 2024GAIII · Driver-only0—MORRISTOWN DRIVER'S SERVICE INC 252487H1082HY/TN
Sep 19, 2023CAI · Full0—CALSPEED INC 2824760ZP01063/CA
Jul 26, 2023CAI · Full6OOSCALSPEED INC 2824760ZP01063/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CALSPEED INC2824760Jul 26, 2023Jul 11, 20257CA
R DEEP TRANSPORTATION INC2265911Aug 19, 2024Aug 19, 20241CA
MORRISTOWN DRIVER'S SERVICE INC252487May 15, 2024Jul 4, 20242TN
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.
ZP01063CA—CALSPEED INCJul 26, 2023 → Jul 11, 20257
ZP01063CA—R DEEP TRANSPORTATION INCAug 19, 2024 → Aug 19, 20241
H1082HYTN—MORRISTOWN DRIVER'S SERVICE INCMay 15, 2024 → Jul 4, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026