Equipment unit · VIN-decoded · NHTSA vPIC

2017 Kenworth T680

1XKYD49X6HJ144189 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJun 21, 2023
TX
Last seenJan 20, 2026
MA
Inspected under 2 different carriers in 31 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
1XKYD49X6HJ144189
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
YD49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
144189

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
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 · Jun 21, 2023 – Jan 20, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 20, 2026MAIII · Driver-only1OOSNATIONAL ROAD EXPRESS INC 3899355ZP77118/CA
Dec 22, 2025LAII · Walk-around1NATIONAL ROAD EXPRESS INC 3899355ZP77118/CA
Dec 18, 2025USI · Full1NATIONAL ROAD EXPRESS INC 3899355ZP77118/CA
Dec 12, 2025AZII · Walk-around3NATIONAL ROAD EXPRESS INC 3899355ZP77118/CA
Jun 13, 2024CAI · Full0STRAIGHT ROAD TRANSPORTATION INC 2910560ZP27659/CA
Jun 21, 2023TXI · Full4OOSSTRAIGHT ROAD TRANSPORTATION INC 2910560XP94014/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
NATIONAL ROAD EXPRESS INC3899355Dec 12, 2025Jan 20, 20264CA
STRAIGHT ROAD TRANSPORTATION INC2910560Jun 21, 2023Jun 13, 20242CA
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.
ZP77118CANATIONAL ROAD EXPRESS INCDec 12, 2025Jan 20, 20264
ZP27659CASTRAIGHT ROAD TRANSPORTATION INCJun 13, 2024Jun 13, 20241
XP94014CASTRAIGHT ROAD TRANSPORTATION INCJun 21, 2023Jun 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026