Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 389

1XPXD49X2JD479623 · Truck-Tractor · TRUCK
Carriers run under2
34 mo
Inspections12
all-time
OOS inspections0
of 12
First seenSep 18, 2023
KS
Last seenJul 9, 2026
NE
Inspected under 2 different carriers in 34 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
1XPXD49X2JD479623
Make
Peterbilt
Model
389
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 17, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
XD49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1988 or 2018

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
479623

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 12,357 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 12,357 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
389

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Sep 18, 2023 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026NEIII · Driver-only2MAERTINS TRUCKING LLC 3750980423873/NE
Feb 11, 2026NEIII · Driver-only0MAERTINS TRUCKING LLC 3750980423873/NE
Dec 2, 2025NEIII · Driver-only0MAERTINS TRUCKING LLC 3750980423873/NE
Jun 10, 2025NEIII · Driver-only2MAERTINS TRUCKING LLC 3750980423873/NE
Mar 27, 2025NEIII · Driver-only1MAERTINS TRUCKING LLC 3750980423873/NE
Mar 13, 2025NEIII · Driver-only3MAERTINS TRUCKING LLC 3750980423873/NE
Mar 11, 2025NEIII · Driver-only1MAERTINS TRUCKING LLC 3750980423873/NE
Feb 13, 2025NEIII · Driver-only0MAERTINS TRUCKING LLC 3750980423873/NE
Jun 24, 2024NEIII · Driver-only0MAERTINS TRUCKING LLC 3750980423873/NE
Jun 5, 2024NEIII · Driver-only1MAERTINS TRUCKING LLC 3750980423873/NE
Oct 10, 2023KSII · Walk-around3FROEHLICH EXPRESS LLC 2405586413655/NE
Sep 18, 2023KSII · Walk-around2FROEHLICH EXPRESS LLC 2405586413655/KS
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAERTINS TRUCKING LLC3750980Jun 5, 2024Jul 9, 202610NE
FROEHLICH EXPRESS LLC2405586Sep 18, 2023Oct 10, 20232NE
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.
423873NE1MAERTINS TRUCKING LLCJun 5, 2024Jul 9, 202610
413655NEFROEHLICH EXPRESS LLCOct 10, 2023Oct 10, 20231
413655KSFROEHLICH EXPRESS LLCSep 18, 2023Sep 18, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026