Equipment unit · VIN-decoded · NHTSA vPIC

2009 Peterbilt 389

1XPXD49X29N774548 · Truck-Tractor · TRUCK
Carriers run under3
21 mo
Inspections4
all-time
OOS inspections1
of 4
First seenNov 29, 2023
LA
Last seenAug 18, 2025
MS
Inspected under 3 different carriers in 21 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
1XPXD49X29N774548
Make
Peterbilt
Model
389
Model year
2009
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
XD49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
2009 or 2039

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

North American serial sequence
774548

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 · 12,357 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 12,357 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
2009

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
389

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 · Nov 29, 2023 – Aug 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 18, 2025MSIII · Driver-only0TRIPLE G EXPRESS INC 290241Z833268/LA
Aug 1, 2025MSIII · Driver-only0TRIPLE G EXPRESS INC 290241Z833268/LA
Dec 5, 2024LAII · Walk-around0GRAMMER LOGISTICS INC 1846683682492/IN
Nov 29, 2023LAII · Walk-around1OOSR L C TRUCKING LLC 1964323P272016/LA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRIPLE G EXPRESS INC290241Aug 1, 2025Aug 18, 20252LA
GRAMMER LOGISTICS INC184668Dec 5, 2024Dec 5, 20241IN
R L C TRUCKING LLC1964323Nov 29, 2023Nov 29, 20231LA
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.
Z833268LATRIPLE G EXPRESS INCAug 1, 2025Aug 18, 20252
3682492IN1GRAMMER LOGISTICS INCDec 5, 2024Dec 5, 20241
P272016LAR L C TRUCKING LLCNov 29, 2023Nov 29, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026