Equipment unit · VIN-decoded · NHTSA vPIC

2020 Kenworth T680

1XKYD49X2LJ393937 · Truck-Tractor · TRUCK
Carriers run under2
10 mo
Inspections5
all-time
OOS inspections2
of 5
First seenSep 17, 2025
MS
Last seenJul 29, 2026
MO
Inspected under 2 different carriers in 10 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
1XKYD49X2LJ393937
Make
Kenworth
Model
T680
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
Jul 19, 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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YD49X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
393937

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
KENWORTH

Prefix basis · 43,483 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 43,483 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
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T680

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, 2025 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026MOII · Walk-around1BIG & SLIM TRUCKING LLC 3553833P1302579/IL
Jul 4, 2026TXII · Walk-around1OOSBIG & SLIM TRUCKING LLC 3553833P1302579/IL
Jul 4, 2026TXII · Walk-around1OOSBIG & SLIM TRUCKING LLC 3553833P1302579/IL
Oct 27, 2025ARIII · Driver-only0MID FREIGHT INC 4188267P1302579/IL
Sep 17, 2025MSIII · Driver-only0MID FREIGHT INC 4188267P1302579/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BIG & SLIM TRUCKING LLC3553833Jul 4, 2026Jul 29, 20263IL
MID FREIGHT INC4188267Sep 17, 2025Oct 27, 20252IL
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.
P1302579IL1BIG & SLIM TRUCKING LLCJul 4, 2026Jul 29, 20263
P1302579ILMID FREIGHT INCSep 17, 2025Oct 27, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 19, 2026