Equipment unit · VIN-decoded · NHTSA vPIC

2019 Freightliner SD122

3AKJGNDR3KDKH3079 · Truck-Tractor · TRUCK
Carriers run under2
21 mo
Inspections6
all-time
OOS inspections0
of 6
First seenAug 5, 2023
NM
Last seenMay 12, 2025
TX
Inspected under 2 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
3AKJGNDR3KDKH3079
Make
Freightliner
Model
SD122
Model year
2019
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 25, 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
3AK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
JGNDR

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1989 or 2019

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

North American serial sequence
KH3079

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
FREIGHTLINER

Prefix basis · 876 decoded VINs at 96.1% prefix purity.

Model
SD122

Prefix basis · 876 decoded VINs at 96.1% 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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
SD122

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 5, 2023 – May 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
May 12, 2025TXI · Full0SOUTH HAVEN TRUCKING LLC 3288908R781863/TX
Jun 17, 2024UTIII · Driver-only0TENNESSEE STEEL HAULERS LLC 159317J0522HY/TN
Oct 17, 2023AZI · Full3TENNESSEE STEEL HAULERS LLC 159317J0522HY/TN
Oct 6, 2023NMIII · Driver-only1TENNESSEE STEEL HAULERS LLC 159317J0522HY/TN
Oct 4, 2023ORIII · Driver-only0TENNESSEE STEEL HAULERS LLC 159317J0522HY/TN
Aug 5, 2023NMIII · Driver-only0TENNESSEE STEEL HAULERS LLC 159317J0522HY/TN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTH HAVEN TRUCKING LLC3288908May 12, 2025May 12, 20251OK
TENNESSEE STEEL HAULERS LLC159317Aug 5, 2023Jun 17, 20245TN
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.
R781863TXSOUTH HAVEN TRUCKING LLCMay 12, 2025May 12, 20251
J0522HYTNTENNESSEE STEEL HAULERS LLCAug 5, 2023Jun 17, 20245
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026