Equipment unit · VIN-decoded · NHTSA vPIC

1999 Peterbilt 378

1XPFAB7X1XD484378 · Truck-Tractor · TRUCK
Carriers run under1
35 mo
Inspections11
all-time
OOS inspections4
of 11
First seenAug 2, 2023
MT
Last seenJul 15, 2026
WA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPFAB7X1XD484378
Make
Peterbilt
Model
378
Model year
1999
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)
Decoded at
Jun 19, 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 · Aug 2, 2023 – Jul 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 15, 2026WAIII · Driver-only1—JEFFREY HARMON 330421990111RP/WA
Jun 15, 2026MTIII · Driver-only1—JEFFREY HARMON 330421990111RP/WA
Jul 22, 2024IDI · Full3—JEFFREY HARMON 330421990111RP/WA
Jun 24, 2024MTIII · Driver-only0—JEFFREY HARMON 330421990111RP/WA
Apr 1, 2024WAIII · Driver-only0—JEFFREY HARMON 330421990111RP/WA
Mar 22, 2024WAIII · Driver-only1—JEFFREY HARMON 330421990111RP/WA
Mar 12, 2024WAII · Walk-around2OOSJEFFREY HARMON 330421990111RP/WA
Jan 30, 2024WAIII · Driver-only2OOSJEFFREY HARMON 330421990111RP/WA
Nov 14, 2023WAII · Walk-around1OOSJEFFREY HARMON 330421990111RP/WA
Aug 30, 2023WAII · Walk-around1OOSJEFFREY HARMON 330421990111RP/WA
Aug 2, 2023MTII · Walk-around0—JEFFREY HARMON 330421990111RP/WA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JEFFREY HARMON3304219Aug 2, 2023Jul 15, 202611WA
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.
90111RPWA1JEFFREY HARMONAug 2, 2023 → Jul 15, 202611
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026