Equipment unit · VIN-decoded · NHTSA vPIC

2017 Kenworth T680

1XKYDP9X8HJ128321 · Truck-Tractor · TRUCK
Carriers run under4
26 mo
Inspections6
all-time
OOS inspections0
of 6
First seenFeb 21, 2024
GA
Last seenApr 9, 2026
TX
Inspected under 4 different carriers in 26 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
1XKYDP9X8HJ128321
Make
Kenworth
Model
T680
Model year
2017
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
1XK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
YDP9X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1987 or 2017

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

North American serial sequence
128321

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 · 26,022 decoded VINs at 100.0% prefix purity.

Model
T680

Prefix basis · 26,022 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
2017

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 · Feb 21, 2024 – Apr 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 9, 2026TXII · Walk-around1SOUTHERN SPECIALTY FREIGHT LLC 3306210W3523HY/TN
Jan 13, 2026NEIII · Driver-only0SOUTHERN SPECIALTY FREIGHT LLC 3306210W3523HY/TN
Jun 11, 2025PAIII · Driver-only2JBT SERVICE INC 17538182360Z/WI
Dec 30, 2024NMII · Walk-around1JBT SERVICE INC 17538182360Z/WI
Mar 13, 2024OHIII · Driver-only0SAZONOV TRUCKING INC 3480545P1222881/IL
Feb 21, 2024GAIII · Driver-only0SPOT EDGE TRUCKING INC 3497396SPG452099/IL
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHERN SPECIALTY FREIGHT LLC3306210Jan 13, 2026Apr 9, 20262TN
JBT SERVICE INC175381Dec 30, 2024Jun 11, 20252WI
SAZONOV TRUCKING INC3480545Mar 13, 2024Mar 13, 20241IL
SPOT EDGE TRUCKING INC3497396Feb 21, 2024Feb 21, 20241IL
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.
W3523HYTNSOUTHERN SPECIALTY FREIGHT LLCJan 13, 2026Apr 9, 20262
82360ZWIJBT SERVICE INCDec 30, 2024Jun 11, 20252
P1222881ILSAZONOV TRUCKING INCMar 13, 2024Mar 13, 20241
SPG452099ILSPOT EDGE TRUCKING INCFeb 21, 2024Feb 21, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026