Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 389

1NPXX4EX7FD275379 · Truck · INCOMPLETE VEHICLE
Carriers run under2
34 mo
Inspections11
all-time
OOS inspections4
of 11
First seenSep 11, 2023
MD
Last seenJul 29, 2026
MD
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
1NPXX4EX7FD275379
Make
Peterbilt
Model
389
Model year
2015
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
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.
Decode evidence & sources

Deterministic structure

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

World manufacturer identifier
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
XX4EX

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1985 or 2015

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

North American serial sequence
275379

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 · 763 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 763 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
2015

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

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 11, 2023 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026MDII · Walk-around3WELLS HAULING LLC 3276795E75251D/MD
May 26, 2026MDI · Full4OOSWELLS HAULING LLC 3276795E75251D/MD
Mar 10, 2026MDII · Walk-around2WELLS HAULING LLC 3276795E75251D/MD
Jan 22, 2026MDII · Walk-around2OOSWELLS HAULING LLC 3276795E75251D/MD
Jan 9, 2026MDI · Full7OOSWELLS HAULING LLC 3276795E75251D/MD
Sep 26, 2025MDII · Walk-around3OOSWELLS HAULING LLC 3276795E75251D/MD
Aug 19, 2025MDIII · Driver-only0WELLS HAULING LLC 3276795E75251D/MD
Dec 19, 2024MDII · Walk-around1REDD TOPP TRUCKING LLC 842519349ED94/MD
Oct 10, 2024MDII · Walk-around1REDD TOPP TRUCKING LLC 842519349ED94/MD
Feb 27, 2024MDII · Walk-around0REDD TOPP TRUCKING LLC 842519349ED94/MD
Sep 11, 2023MDII · Walk-around0REDD TOPP TRUCKING LLC 842519349ED94/MD
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WELLS HAULING LLC3276795Aug 19, 2025Jul 29, 20267MD
REDD TOPP TRUCKING LLC842519Sep 11, 2023Dec 19, 20244MD
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.
E75251DMD1WELLS HAULING LLCAug 19, 2025Jul 29, 20267
349ED94MDREDD TOPP TRUCKING LLCSep 11, 2023Dec 19, 20244
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026