Equipment unit · VIN-decoded · NHTSA vPIC

1986 Kenworth T600

1XKAD49X3GJ490913 · Truck-Tractor · TRUCK
T600
Carriers run under1
12 mo
Inspections5
all-time
OOS inspections3
of 5
First seenJan 29, 2025
TX
Last seenJan 9, 2026
TX
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKAD49X3GJ490913
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 28, 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
490913

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 · Jan 29, 2025 – Jan 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 9, 2026TXII · Walk-around4OOSMTT TRANSPORTATION SERVICES LLC 359150159W174W/TX
Jul 26, 2025USII · Walk-around2MTT TRANSPORTATION SERVICES LLC 35915011N33098/TX
Feb 22, 2025USI · Full6OOSMTT TRANSPORTATION SERVICES LLC 35915011N33098/TX
Jan 29, 2025USI · Full5OOSMTT TRANSPORTATION SERVICES LLC 35915011N33098/TX
Jan 29, 2025TXII · Walk-around0MTT TRANSPORTATION SERVICES LLC 35915011N33098/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MTT TRANSPORTATION SERVICES LLC3591501Jan 29, 2025Jan 9, 20265TX
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.
59W174WTXMTT TRANSPORTATION SERVICES LLCJan 9, 2026Jan 9, 20261
1N33098TXMTT TRANSPORTATION SERVICES LLCJan 29, 2025Jul 26, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026