Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBD49X0LD709737 · Truck-Tractor · TRUCK
Carriers run under2
16 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 21, 2024
ND
Last seenDec 12, 2025
SD
Inspected under 2 different carriers in 16 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
1XPBD49X0LD709737
Make
Peterbilt
Model
579
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
Jun 24, 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
BD49X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

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
709737

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 · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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
579

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, 2024 – Dec 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 12, 2025SDIII · Driver-only1SOUTHLAND LOGISTICS INC 3819847CSB416/MB
May 14, 2025NDI · Full5SOUTHLAND LOGISTICS INC 3819847CSB416/MB
Mar 10, 2025MNIII · Driver-only2RICK LOEWEN 2507828CKT979/MB
Dec 31, 2024NDII · Walk-around2RICK LOEWEN 2507828CKT979/MB
Sep 3, 2024MNII · Walk-around4RICK LOEWEN 2507828CKT979/MB
Aug 21, 2024NDIII · Driver-only0RICK LOEWEN 2507828CKT979/MB
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHLAND LOGISTICS INC3819847May 14, 2025Dec 12, 20252MB
RICK LOEWEN2507828Aug 21, 2024Mar 10, 20254MB
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.
CSB416MBSOUTHLAND LOGISTICS INCMay 14, 2025Dec 12, 20252
CKT979MBRICK LOEWENAug 21, 2024Mar 10, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026