Equipment unit · VIN-decoded · NHTSA vPIC

1987 Kenworth T600

1XKADP9X2HJ135153 · Truck-Tractor · TRUCK
T600
Carriers run under1
30 mo
Inspections16
all-time
OOS inspections4
of 16
First seenOct 9, 2023
CA
Last seenApr 19, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XKADP9X2HJ135153
Make
Kenworth
Model
T600
Model year
1987
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
ADP9X

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
135153

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 · 1,080 decoded VINs at 93.3% prefix purity.

Model
T6 Series

Prefix basis · 1,080 decoded VINs at 93.3% prefix purity.

Model line
T600

Sourced label · prefix basis 1,080 decoded VINs at 93.3% 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
1987

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 · Oct 9, 2023 – Apr 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 19, 2026CAI · Full1OOSSILICON ROADWAYS INC 892706WP72907/CA
Apr 19, 2026CAI · Full0SILICON ROADWAYS INC 892706WP72907/CA
Jan 19, 2026CAI · Full0SILICON ROADWAYS INC 892706WP72907/CA
Jan 18, 2026CAI · Full2OOSSILICON ROADWAYS INC 892706WP72907/CA
Dec 9, 2025CAIII · Driver-only1SILICON ROADWAYS INC 892706WP72907/CA
Aug 30, 2025CAI · Full0SILICON ROADWAYS INC 892706WP72907/CA
Jul 3, 2025ORIII · Driver-only1SILICON ROADWAYS INC 892706WP72907/OR
Jan 30, 2025CAII · Walk-around1SILICON ROADWAYS INC 892706WP72907/CA
Jan 16, 2025CAII · Walk-around6SILICON ROADWAYS INC 892706WP72907/CA
Dec 11, 2024CAII · Walk-around1OOSSILICON ROADWAYS INC 892706WP72907/CA
Apr 29, 2024CAI · Full0SILICON ROADWAYS INC 892706WP72907/CA
Apr 9, 2024CAII · Walk-around0SILICON ROADWAYS INC 892706WP72907/CA
Dec 6, 2023CAII · Walk-around0SILICON ROADWAYS INC 892706WP72907/CA
Dec 6, 2023CAII · Walk-around2OOSSILICON ROADWAYS INC 892706WP72907/CA
Nov 27, 2023CAIII · Driver-only1SILICON ROADWAYS INC 892706WP72907/CA
Oct 9, 2023CAIII · Driver-only0SILICON ROADWAYS INC 892706WP72907/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SILICON ROADWAYS INC892706Oct 9, 2023Apr 19, 202616CA
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.
WP72907CASILICON ROADWAYS INCOct 9, 2023Apr 19, 202615
WP72907ORSILICON ROADWAYS INCJul 3, 2025Jul 3, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026