Equipment unit · VIN-decoded · NHTSA vPIC

1995 Peterbilt 378

1XPFDR9XXSN376521 · Truck-Tractor · TRUCK
Carriers run under1
11 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJul 9, 2025
IN
Last seenJun 29, 2026
IN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPFDR9XXSN376521
Make
Peterbilt
Model
378
Model year
1995
Body class
Truck-Tractor
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
FDR9X

Deterministic · VIN positions 4–8.

Check digit
X · valid

Deterministic · position 9; calculated value X.

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
376521

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 · 112 decoded VINs at 100.0% prefix purity.

Model
378

Prefix basis · 112 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
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-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 · Jul 9, 2025 – Jun 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 29, 2026INIII · Driver-only1S & M TRANSPORT LLC 16492273433799/IN
Mar 5, 2026INIII · Driver-only2OOSS & M TRANSPORT LLC 16492273433799/IN
Jul 9, 2025INII · Walk-around4OOSS & M TRANSPORT LLC 16492273242661/IN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
S & M TRANSPORT LLC1649227Jul 9, 2025Jun 29, 20263IN
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.
3433799IN1S & M TRANSPORT LLCMar 5, 2026Jun 29, 20262
3242661IN1S & M TRANSPORT LLCJul 9, 2025Jul 9, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 1, 2026