Equipment unit · VIN-decoded · NHTSA vPIC

2016 Kenworth T880

1XKZDP9X1GJ120578 · Truck-Tractor · TRUCK
Carriers run under2
25 mo
Inspections10
all-time
OOS inspections4
of 10
First seenJan 1, 2024
SC
Last seenFeb 24, 2026
TX
Inspected under 2 different carriers in 25 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
1XKZDP9X1GJ120578
Make
Kenworth
Model
T880
Model year
2016
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 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
ZDP9X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1986 or 2016

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

North American serial sequence
120578

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 · 2,558 decoded VINs at 100.0% prefix purity.

Model
T880

Prefix basis · 2,558 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
2016

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T880

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 1, 2024 – Feb 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 24, 2026TXII · Walk-around9OOSGLOCKSTAR LLC 42650451M76950/TX
Feb 12, 2026TXII · Walk-around12OOSGLOCKSTAR LLC 42650451M76950/TX
Nov 13, 2025TXII · Walk-around6GLOCKSTAR LLC 42650451M76950/TX
Aug 19, 2025TXII · Walk-around16GLOCKSTAR LLC 42650451M76950/TX
Jun 13, 2025TXII · Walk-around3GLOCKSTAR LLC 42650451M76950/TX
Apr 30, 2025TXII · Walk-around6OOSGLOCKSTAR LLC 42650451M76950/TX
Oct 9, 2024TXII · Walk-around1GLOCKSTAR LLC 42650451M76950/TX
Sep 10, 2024TXII · Walk-around2GLOCKSTAR LLC 42650456032C50/TX
Aug 14, 2024TXII · Walk-around2OOSGLOCKSTAR LLC 42650456032C50/TX
Jan 1, 2024SCIII · Driver-only0SISSYBOY TRUCKING LLC 2847077AG83363/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GLOCKSTAR LLC4265045Aug 14, 2024Feb 24, 20269TX
SISSYBOY TRUCKING LLC2847077Jan 1, 2024Jan 1, 20241PA
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.
1M76950TXGLOCKSTAR LLCOct 9, 2024Feb 24, 20267
6032C50TXGLOCKSTAR LLCAug 14, 2024Sep 10, 20242
AG83363PASISSYBOY TRUCKING LLCJan 1, 2024Jan 1, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026