Equipment unit · VIN-decoded · NHTSA vPIC

2013 Peterbilt 386

1XPHD49X6DD186381 · Truck-Tractor · TRUCK
Carriers run under3
23 mo
Inspections4
all-time
OOS inspections0
of 4
First seenAug 22, 2023
OK
Last seenJul 25, 2025
OK
Inspected under 3 different carriers in 23 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
1XPHD49X6DD186381
Make
Peterbilt
Model
386
Model year
2013
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
HD49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1983 or 2013

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

North American serial sequence
186381

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 · 3,252 decoded VINs at 100.0% prefix purity.

Model
386

Prefix basis · 3,252 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
2013

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
386

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 · Aug 22, 2023 – Jul 25, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 25, 2025OKIII · Driver-only0WESTECH LOGISTICS LLC 30653173LT180/OK
Oct 28, 2024TXII · Walk-around4GEOSPHERE ENERGY SERVICES LLC 34502053KF400/OK
Dec 30, 2023OKIII · Driver-only2A STEP ABOVE LOGISTICS LLC 3434898S6542HY/TN
Aug 22, 2023OKI · Full2A STEP ABOVE LOGISTICS LLC 3434898S5549HY/TN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WESTECH LOGISTICS LLC3065317Jul 25, 2025Jul 25, 20251OK
GEOSPHERE ENERGY SERVICES LLC3450205Oct 28, 2024Oct 28, 20241OK
A STEP ABOVE LOGISTICS LLC3434898Aug 22, 2023Dec 30, 20232TN
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.
3LT180OKWESTECH LOGISTICS LLCJul 25, 2025Jul 25, 20251
3KF400OKGEOSPHERE ENERGY SERVICES LLCOct 28, 2024Oct 28, 20241
S6542HYTNA STEP ABOVE LOGISTICS LLCDec 30, 2023Dec 30, 20231
S5549HYTNA STEP ABOVE LOGISTICS LLCAug 22, 2023Aug 22, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026