Equipment unit · VIN-decoded · NHTSA vPIC

1986 Kenworth T600

1XKAD49X3GJ479958 · Truck-Tractor · TRUCK
T600
Carriers run under3
35 mo
Inspections15
all-time
OOS inspections4
of 15
First seenAug 14, 2023
TX
Last seenJul 29, 2026
TX
Inspected under 3 different carriers in 35 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
1XKAD49X3GJ479958
Make
Kenworth
Model
T600
Model year
1986
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
AD49X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
479958

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 · 5,142 decoded VINs at 90.1% prefix purity.

Model
T6 Series

Prefix basis · 5,142 decoded VINs at 90.1% prefix purity.

Model line
T600

Sourced label · prefix basis 5,142 decoded VINs at 90.1% prefix purity.

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
1986

Observed directly for this VIN via NHTSA vPIC.

Observed make
KENWORTH

Observed directly for this VIN via NHTSA vPIC.

Observed model
T600

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

  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 14, 2023 – Jul 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 29, 2026TXIII · Driver-only1TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 288225430ES6Y/MX
Jul 27, 2026TXI · Full2TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 288225430ES6Y/CI
Jul 8, 2026TXI · Full3TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 288225430ES6Y/CI
Jun 2, 2026TXII · Walk-around2OOSTRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 288225430ES6Y/MX
Mar 21, 2026TXI · Full2TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 288225455320PZ/VA
Jul 9, 2025TXI · Full4TFA LOGISTICS LLC 25563182EN7M/DF
Mar 13, 2025USI · Full5OOSTFA LOGISTICS LLC 255631R470220/TX
Nov 2, 2024TXII · Walk-around6OOSTRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 2882254R470220/TX
Oct 14, 2024USI · Full6TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 2882254R470220/MX
Dec 28, 2023TXI · Full1TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 288225482EN7M/CI
Dec 21, 2023TXI · Full0OUT WEST EXPRESS LLC 2036998R470220/TX
Nov 10, 2023USII · Walk-around1OOSTRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 288225482EN7M/CI
Nov 9, 2023TXI · Full3TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 288225482EN7M/CI
Sep 20, 2023TXI · Full2TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 288225482EN7M/CI
Aug 14, 2023TXI · Full3TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV 2882254R470220/TX
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CV2882254Aug 14, 2023Jul 29, 202612CI
TFA LOGISTICS LLC255631Mar 13, 2025Jul 9, 20252VA
OUT WEST EXPRESS LLC2036998Dec 21, 2023Dec 21, 20231TX
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.
30ES6YMX1TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CVJun 2, 2026Jul 29, 20262
30ES6YCI1TRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CVJul 8, 2026Jul 27, 20262
55320PZVATRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CVMar 21, 2026Mar 21, 20261
82EN7MDFTFA LOGISTICS LLCJul 9, 2025Jul 9, 20251
R470220TXTFA LOGISTICS LLCMar 13, 2025Mar 13, 20251
R470220TXTRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CVAug 14, 2023Nov 2, 20242
R470220MXTRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CVOct 14, 2024Oct 14, 20241
82EN7MCITRANSPORTADORA TRANSFRONTERIZA NORTE S DE RL DE CVSep 20, 2023Dec 28, 20234
R470220TXOUT WEST EXPRESS LLCDec 21, 2023Dec 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026