Equipment unit · VIN-decoded · NHTSA vPIC

1995 Peterbilt 378

1XPFXB0X6SD386092 · Truck · TRUCK
Carriers run under2
36 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 17, 2023
WA
Last seenJul 14, 2026
WA
Inspected under 2 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
1XPFXB0X6SD386092
Make
Peterbilt
Model
378
Model year
1995
Body class
Truck
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 1, 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
FXB0X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1995 or 2025

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

North American serial sequence
386092

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
1995

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
378

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 17, 2023 – Jul 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 14, 2026WAIII · Driver-only1TH EXCAVATION LLC 4276475D36416E/WA
Jan 24, 2024WAIII · Driver-only1RESPONSIVE SERVICE TRUCKING INC 4014010D23267C/WA
Jul 17, 2023WAII · Walk-around5OOSRESPONSIVE SERVICE TRUCKING INC 4014010D23267C/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TH EXCAVATION LLC4276475Jul 14, 2026Jul 14, 20261WA
RESPONSIVE SERVICE TRUCKING INC4014010Jul 17, 2023Jan 24, 20242WA
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.
D36416EWA1TH EXCAVATION LLCJul 14, 2026Jul 14, 20261
D23267CWARESPONSIVE SERVICE TRUCKING INCJul 17, 2023Jan 24, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 1, 2026