Equipment unit · VIN-decoded · NHTSA vPIC

2018 Kenworth T680

1XKYDP9X6JJ181587 · Truck-Tractor · TRUCK
Carriers run under2
17 mo
Inspections13
all-time
OOS inspections6
of 13
First seenJan 10, 2025
CA
Last seenJun 21, 2026
CA
Inspected under 2 different carriers in 17 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
1XKYDP9X6JJ181587
Make
Kenworth
Model
T680
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 16, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1988 or 2018

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

North American serial sequence
181587

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
2018

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 · Jan 10, 2025 – Jun 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 21, 2026CAII · Walk-around4GR TRANSPORT COMPANY INC 4022019ZP85515/CA
May 26, 2026CAIII · Driver-only2GR TRANSPORT COMPANY INC 4022019ZP65213/CA
Dec 19, 2025WAII · Walk-around6OOSGR TRANSPORT COMPANY INC 4022019ZP65213/CA
Dec 11, 2025AZII · Walk-around9OOSGR TRANSPORT COMPANY INC 4022019ZP65213/CA
Nov 22, 2025CAI · Full0GR TRANSPORT COMPANY INC 4022019ZP65213/CA
Nov 18, 2025CAIII · Driver-only1GR TRANSPORT COMPANY INC 4022019ZP65213/CA
Oct 24, 2025CAI · Full3OOSGR TRANSPORT COMPANY INC 4022019ZP65213/CA
Sep 9, 2025CAIII · Driver-only4GR TRANSPORT COMPANY INC 4022019ZP65213/CA
Aug 6, 2025CAII · Walk-around7GR TRANSPORT COMPANY INC 4022019ZP65213/CA
Jul 8, 2025CAIII · Driver-only1GR TRANSPORT COMPANY INC 4022019ZP03235/CA
Jan 25, 2025CAII · Walk-around6OOSAMD GROUP LOGISTICS LLC 4212506ZP03235/CA
Jan 14, 2025CAII · Walk-around7OOSAMD GROUP LOGISTICS LLC 4212506ZP03235/CA
Jan 10, 2025CAI · Full7OOSAMD GROUP LOGISTICS LLC 4212506ZP03235/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GR TRANSPORT COMPANY INC4022019Jul 8, 2025Jun 21, 202610CA
AMD GROUP LOGISTICS LLC4212506Jan 10, 2025Jan 25, 20253CA
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.
ZP85515CA1GR TRANSPORT COMPANY INCJun 21, 2026Jun 21, 20261
ZP65213CAGR TRANSPORT COMPANY INCAug 6, 2025May 26, 20268
ZP03235CAGR TRANSPORT COMPANY INCJul 8, 2025Jul 8, 20251
ZP03235CAAMD GROUP LOGISTICS LLCJan 10, 2025Jan 25, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026