Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 389

1XPXD49XXLD648502 · Truck-Tractor · TRUCK
Carriers run under3
24 mo
Inspections3
all-time
OOS inspections0
of 3
First seenSep 26, 2023
IL
Last seenSep 23, 2025
WI
Inspected under 3 different carriers in 24 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
1XPXD49XXLD648502
Make
Peterbilt
Model
389
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 1, 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
X · valid

Deterministic · position 9; calculated value X.

Model year candidates
1990 or 2020

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

North American serial sequence
648502

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
2020

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 · Sep 26, 2023 – Sep 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 23, 2025WIII · Walk-around1JOE DIETER & SONS INC 144020P1186494/IL
Sep 18, 2024ILII · Walk-around0ALTOM TRANSPORT INC 297572P1258061/IL
Sep 26, 2023ILII · Walk-around0P A R TRUCKING INC 4544683076665/IN
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JOE DIETER & SONS INC144020Sep 23, 2025Sep 23, 20251IL
ALTOM TRANSPORT INC297572Sep 18, 2024Sep 18, 20241IL
P A R TRUCKING INC454468Sep 26, 2023Sep 26, 20231IL
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.
P1186494ILJOE DIETER & SONS INCSep 23, 2025Sep 23, 20251
P1258061IL1ALTOM TRANSPORT INCSep 18, 2024Sep 18, 20241
3076665INP A R TRUCKING INCSep 26, 2023Sep 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 1, 2026