Equipment unit · VIN-decoded · NHTSA vPIC

1996 Peterbilt 379

1XP5DB9X1TN398251 · Truck-Tractor · TRUCK
Carriers run under2
29 mo
Inspections9
all-time
OOS inspections2
of 9
First seenAug 21, 2023
NC
Last seenJan 19, 2026
TX
Inspected under 2 different carriers in 29 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
1XP5DB9X1TN398251
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 19, 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
1 · valid

Deterministic · position 9; calculated value 1.

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
398251

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 · Aug 21, 2023 – Jan 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 19, 2026TXII · Walk-around0M&S HEAVY HAUL LLC 4151142R699283/TX
Oct 1, 2025LAII · Walk-around5OOSM&S HEAVY HAUL LLC 4151142R699283/TX
Jun 12, 2024MDII · Walk-around3COOPER ENTERPRISES OF FOUNTAIN INN LLC 3805277P836145/SC
May 16, 2024NCII · Walk-around4OOSCOOPER ENTERPRISES OF FOUNTAIN INN LLC 3805277P836145/SC
Sep 1, 2023NCIII · Driver-only0COOPER ENTERPRISES OF FOUNTAIN INN LLC 3805277P836145/SC
Aug 30, 2023NCIII · Driver-only0COOPER ENTERPRISES OF FOUNTAIN INN LLC 3805277P836145/SC
Aug 29, 2023NCII · Walk-around0COOPER ENTERPRISES OF FOUNTAIN INN LLC 3805277P836145/SC
Aug 23, 2023NCII · Walk-around0COOPER ENTERPRISES OF FOUNTAIN INN LLC 3805277P836145/SC
Aug 21, 2023NCII · Walk-around0COOPER ENTERPRISES OF FOUNTAIN INN LLC 3805277P836145/SC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
M&S HEAVY HAUL LLC4151142Oct 1, 2025Jan 19, 20262TX
COOPER ENTERPRISES OF FOUNTAIN INN LLC3805277Aug 21, 2023Jun 12, 20247SC
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.
R699283TXM&S HEAVY HAUL LLCOct 1, 2025Jan 19, 20262
P836145SCCOOPER ENTERPRISES OF FOUNTAIN INN LLCAug 21, 2023Jun 12, 20247
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026