Equipment unit · VIN-decoded · NHTSA vPIC

1999 Peterbilt 378

1XPFDB9X0XN488856 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections6
all-time
OOS inspections0
of 6
First seenOct 17, 2023
KY
Last seenJun 25, 2026
KY
Inspected under 2 different carriers in 32 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
1XPFDB9X0XN488856
Make
Peterbilt
Model
378
Model year
1999
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 29, 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 · Oct 17, 2023 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026KYIII · Driver-only1—JOLLY FARMS 1316938013444A/KY
Jun 25, 2026KYIII · Driver-only1—JOLLY FARMS 1316938013444A/KY
Mar 3, 2025KYIII · Driver-only0—JOLLY FARMS 1316938A66957/KY
Jul 9, 2024KYII · Walk-around0—HARPER TRANSPORT LLC 3566592A66957/KY
May 10, 2024KYII · Walk-around1—HARPER TRANSPORT LLC 3566592A66957/KY
Oct 17, 2023KYII · Walk-around1—HARPER TRANSPORT LLC 3566592A66957/KY
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JOLLY FARMS1316938Mar 3, 2025Jun 25, 20263KY
HARPER TRANSPORT LLC3566592Oct 17, 2023Jul 9, 20243TN
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.
013444AKY1JOLLY FARMSJun 25, 2026 → Jun 25, 20262
A66957KY—JOLLY FARMSMar 3, 2025 → Mar 3, 20251
A66957KY—HARPER TRANSPORT LLCOct 17, 2023 → Jul 9, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026