Equipment unit · VIN-decoded · NHTSA vPIC

2017 Kenworth T680

1XKYDP9X2HJ167079 · Truck-Tractor · TRUCK
Carriers run under3
22 mo
Inspections8
all-time
OOS inspections3
of 8
First seenAug 5, 2024
TX
Last seenJun 25, 2026
TX
Inspected under 3 different carriers in 22 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
1XKYDP9X2HJ167079
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 21, 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
2 · valid

Deterministic · position 9; calculated value 2.

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
167079

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 · Aug 5, 2024 – Jun 25, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 25, 2026TXII · Walk-around10OOSTTM TRUCKING SERVICES LLC 40552081P10041/TX
Feb 4, 2026TXI · Full4OOSTTM TRUCKING SERVICES LLC 40552081N58579/TX
Feb 2, 2026TXII · Walk-around3TTM TRUCKING SERVICES LLC 40552081N58579/TX
Jul 7, 2025TXII · Walk-around4ROBELAR CONSTRUCTION & SERVICES LLC 41380231N58579/TX
Jul 7, 2025TXII · Walk-around157 CONCRETE LLC 33269291N58579/TX
Feb 5, 2025TXII · Walk-around1ROBELAR CONSTRUCTION & SERVICES LLC 41380231N58579/TX
Jan 29, 2025TXII · Walk-around3OOSROBELAR CONSTRUCTION & SERVICES LLC 41380231N58579/TX
Aug 5, 2024TXII · Walk-around0ROBELAR CONSTRUCTION & SERVICES LLC 41380231N58579/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TTM TRUCKING SERVICES LLC4055208Feb 2, 2026Jun 25, 20263TX
57 CONCRETE LLC3326929Jul 7, 2025Jul 7, 20251TX
ROBELAR CONSTRUCTION & SERVICES LLC4138023Aug 5, 2024Jul 7, 20254TX
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.
1P10041TX1TTM TRUCKING SERVICES LLCJun 25, 2026Jun 25, 20261
1N58579TXTTM TRUCKING SERVICES LLCFeb 2, 2026Feb 4, 20262
1N58579TX57 CONCRETE LLCJul 7, 2025Jul 7, 20251
1N58579TXROBELAR CONSTRUCTION & SERVICES LLCAug 5, 2024Jul 7, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026