Equipment unit · VIN-decoded · NHTSA vPIC

1994 Peterbilt 379

1XP5DB8X3RD340657 · Truck-Tractor · TRUCK
Carriers run under2
9 mo
Inspections2
all-time
OOS inspections0
of 2
First seenSep 17, 2023
SD
Last seenJun 25, 2024
KS
Inspected under 2 different carriers in 9 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
1XP5DB8X3RD340657
Make
Peterbilt
Model
379
Model year
1994
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 6, 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
5DB8X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1994 or 2024

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

North American serial sequence
340657

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 · 702 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 702 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
1994

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 17, 2023 – Jun 25, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2024KSII · Walk-around4J JOHNSON TRUCKING LLC 3605707233743/KS
Sep 17, 2023SDIII · Driver-only0COUNTY LINE TRUCKING LLC 3929636PZA1788/MN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
J JOHNSON TRUCKING LLC3605707Jun 25, 2024Jun 25, 20241KS
COUNTY LINE TRUCKING LLC3929636Sep 17, 2023Sep 17, 20231MN
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.
233743KSJ JOHNSON TRUCKING LLCJun 25, 2024Jun 25, 20241
PZA1788MNCOUNTY LINE TRUCKING LLCSep 17, 2023Sep 17, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 6, 2026