Equipment unit · VIN-decoded · NHTSA vPIC

1996 Peterbilt 379

1XP5DB9X4TN371609 · Truck-Tractor · TRUCK
Carriers run under1
15 mo
Inspections5
all-time
OOS inspections0
of 5
First seenSep 13, 2023
OK
Last seenDec 31, 2024
OK
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP5DB9X4TN371609
Make
Peterbilt
Model
379
Model year
1996
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
5DB9X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1996 or 2026

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

North American serial sequence
371609

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 · 13,463 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 13,463 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
1996

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
379

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 · Sep 13, 2023 – Dec 31, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 31, 2024OKII · Walk-around2DOUBLE J FIELD SERVICES LLC 33082643CQ514/OK
Apr 2, 2024OKIII · Driver-only1DOUBLE J FIELD SERVICES LLC 33082643CQ514/OK
Nov 10, 2023OKIII · Driver-only1DOUBLE J FIELD SERVICES LLC 33082643CQ514/OK
Oct 20, 2023OKIII · Driver-only1DOUBLE J FIELD SERVICES LLC 33082643CQ514/OK
Sep 13, 2023OKIII · Driver-only0DOUBLE J FIELD SERVICES LLC 33082643CQ514/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DOUBLE J FIELD SERVICES LLC3308264Sep 13, 2023Dec 31, 20245OK
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.
3CQ514OKDOUBLE J FIELD SERVICES LLCSep 13, 2023Dec 31, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026