Equipment unit · VIN-decoded · NHTSA vPIC

2017 Peterbilt 579

1XPBDP9X5HD442037 · Truck-Tractor · TRUCK
Carriers run under4
36 mo
Inspections11
all-time
OOS inspections3
of 11
First seen07/12/2023
KY
Last seen07/08/2026
SD
Inspected under 4 different carriers in 36 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
1XPBDP9X5HD442037
Make
Peterbilt
Model
579
Model year
2017
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
06/19/2026
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 · 07/12/2023 – 07/08/2026

DateStateLevelViol.OOSCarrier (DOT)Plate
07/08/2026SDII · Walk-around1OOSFLATLAND EXPRESS LTD 1585731CSS869/MB
06/25/2026MDII · Walk-around2—FLATLAND EXPRESS LTD 1585731CSS869/MB
06/03/2026MNIII · Driver-only2—FLATLAND EXPRESS LTD 1585731CSS869/MB
10/06/2025NDI · Full1OOSUPPER DECK TRANSPORT INC 551636CRA961/MB
04/23/2025WAIII · Driver-only2—UPPER DECK TRANSPORT INC 551636CRA961/MB
03/13/2025MTII · Walk-around2—UPPER DECK TRANSPORT INC 551636CRA961/MB
01/10/2025NDIII · Driver-only0—UPPER DECK TRANSPORT INC 551636CRA961/MB
11/18/2024MNIII · Driver-only0—UPPER DECK TRANSPORT INC 551636CRA961/MB
05/16/2024COIII · Driver-only1OOSUPPER DECK TRANSPORT INC 551636CRA961/MB
02/26/2024NDII · Walk-around2—DFS DECK FREIGHT SYSTEMS INC 1831030CPT392/MB
07/12/2023KYIII · Driver-only1—HQ TRANSPORT INC 3537339CKP503/MB
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FLATLAND EXPRESS LTD158573106/03/202607/08/20263MB
UPPER DECK TRANSPORT INC55163605/16/202410/06/20256MB
DFS DECK FREIGHT SYSTEMS INC183103002/26/202402/26/20241MB
HQ TRANSPORT INC353733907/12/202307/12/20231MB
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.
CSS869MB1FLATLAND EXPRESS LTD06/03/2026 → 07/08/20263
CRA961MB—UPPER DECK TRANSPORT INC05/16/2024 → 10/06/20256
CPT392MB—DFS DECK FREIGHT SYSTEMS INC02/26/2024 → 02/26/20241
CKP503MB—HQ TRANSPORT INC07/12/2023 → 07/12/20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded 06/19/2026