Equipment unit · VIN-decoded · NHTSA vPIC

1995 Peterbilt 377

1XPCDR8X6SN383552 · Truck-Tractor · TRUCK
Carriers run under2
11 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJul 10, 2025
TX
Last seenJun 29, 2026
OK
Inspected under 2 different carriers in 11 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
1XPCDR8X6SN383552
Make
Peterbilt
Model
377
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
Jul 31, 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
CDR8X

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
383552

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 · 64 decoded VINs at 90.6% prefix purity.

Model
377

Prefix basis · 64 decoded VINs at 90.6% 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
377

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 10, 2025 – Jun 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 29, 2026OKII · Walk-around0VZ TRUCKING LLC 3786585738398/OK
Jul 22, 2025TXI · Full5OOSNA TRUCKING LLC 4126058TKK7708/TX
Jul 10, 2025TXI · Full7OOSNA TRUCKING LLC 4126058TKK7708/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VZ TRUCKING LLC3786585Jun 29, 2026Jun 29, 20261OK
NA TRUCKING LLC4126058Jul 10, 2025Jul 22, 20252TX
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.
738398OK1VZ TRUCKING LLCJun 29, 2026Jun 29, 20261
TKK7708TXNA TRUCKING LLCJul 10, 2025Jul 22, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026