Equipment unit · VIN-decoded · NHTSA vPIC

2017 Ford F-550

1FDUF5GT8HEC79673 · Incomplete - Chassis Cab (Single Cab) · INCOMPLETE VEHICLE
Carriers run under1
31 mo
Inspections6
all-time
OOS inspections3
of 6
First seenOct 9, 2023
CA
Last seenMay 6, 2026
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1FDUF5GT8HEC79673
Make
Ford
Model
F-550
Model year
2017
Body class
Incomplete - Chassis Cab (Single Cab)
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 5: 16,001 - 19,500 lb (7,258 - 8,845 kg)
Decoded at
Jun 22, 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
1FD

Deterministic · VIN positions 1–3.

Vehicle descriptor section
UF5GT

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
C79673

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
FORD

Prefix basis · 2,005 decoded VINs at 100.0% prefix purity.

Model
F-550

Prefix basis · 2,005 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
2017

Observed directly for this VIN via NHTSA vPIC.

Observed make
FORD

Observed directly for this VIN via NHTSA vPIC.

Observed model
F-550

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Incomplete - Chassis Cab (Single Cab)

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 5: 16,001 - 19,500 lb (7,258 - 8,845 kg)

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 · Oct 9, 2023 – May 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 6, 2026CAII · Walk-around6OOSHIGHWAY SPECIALTY COMPANY INC 271863330579K2/CA
May 20, 2025CAI · Full4OOSHIGHWAY SPECIALTY COMPANY INC 271863330579K2/CA
Aug 8, 2024CAII · Walk-around1HIGHWAY SPECIALTY COMPANY INC 271863330579K2/CA
Jul 26, 2024CAI · Full1HIGHWAY SPECIALTY COMPANY INC 271863330579K2/CA
May 31, 2024CAIII · Driver-only0HIGHWAY SPECIALTY COMPANY INC 271863330579K2/CA
Oct 9, 2023CAIII · Driver-only3OOSHIGHWAY SPECIALTY COMPANY INC 271863330579K2/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HIGHWAY SPECIALTY COMPANY INC2718633Oct 9, 2023May 6, 20266CA
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.
30579K2CAHIGHWAY SPECIALTY COMPANY INCOct 9, 2023May 6, 20266
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 22, 2026