Equipment unit · VIN-decoded · NHTSA vPIC

1999 Freightliner Med. Conv.

1FUY3MDB4XDF37708 · Truck-Tractor · TRUCK
Carriers run under1
27 mo
Inspections32
all-time
OOS inspections20
of 32
First seenDec 6, 2023
US
Last seenMar 24, 2026
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1FUY3MDB4XDF37708
Make
Freightliner
Model
Med. Conv.
Model year
1999
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
1FU

Deterministic · VIN positions 1–3.

Vehicle descriptor section
Y3MDB

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1999 or 2029

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

North American serial sequence
F37708

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
FREIGHTLINER

Prefix basis · 108 decoded VINs at 100.0% prefix purity.

Model
Med. Conv.

Prefix basis · 108 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
1999

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Med. Conv.

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 · Dec 6, 2023 – Mar 24, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 24, 2026AZIII · Driver-only2GUILLERMO ESQUER GARCIA 30368988TB528/AZ
Jan 7, 2026USII · Walk-around15GUILLERMO ESQUER GARCIA 303689882EM1T/MX
Dec 2, 2025USI · Full17OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Oct 30, 2025USI · Full20OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Oct 8, 2025AZI · Full18GUILLERMO ESQUER GARCIA 30368988TB528/AZ
Oct 2, 2025USI · Full26OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Sep 26, 2025USIII · Driver-only0GUILLERMO ESQUER GARCIA 303689882EM1T/MX
Sep 22, 2025USI · Full28GUILLERMO ESQUER GARCIA 303689882EM1T/MX
Jul 11, 2025USI · Full20GUILLERMO ESQUER GARCIA 303689882EM1T/MX
Jul 10, 2025USI · Full8OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Jun 24, 2025USII · Walk-around16GUILLERMO ESQUER GARCIA 303689882EM1T/MX
Jun 12, 2025USII · Walk-around13OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Jun 11, 2025USI · Full23OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Apr 16, 2025USI · Full18GUILLERMO ESQUER GARCIA 303689882EM1T/MX
Mar 28, 2025USI · Full28OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Feb 20, 2025USI · Full19OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Jan 15, 2025USI · Full16OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Jan 7, 2025USI · Full19OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Dec 30, 2024USI · Full11OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Dec 18, 2024USI · Full14GUILLERMO ESQUER GARCIA 303689882EM1T/MX
Nov 25, 2024USI · Full19OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Nov 22, 2024USI · Full20OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Nov 13, 2024AZI · Full6GUILLERMO ESQUER GARCIA 30368988TB528/AZ
Oct 22, 2024USI · Full13OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Oct 21, 2024USIII · Driver-only1GUILLERMO ESQUER GARCIA 303689882EM1T/MX
May 28, 2024USII · Walk-around17OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
May 22, 2024USII · Walk-around17OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Feb 23, 2024AZI · Full17OOSGUILLERMO ESQUER GARCIA 30368988TB528/AZ
Feb 15, 2024AZIII · Driver-only0GUILLERMO ESQUER GARCIA 30368988TB528/AZ
Jan 29, 2024USI · Full23OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Jan 13, 2024USI · Full12OOSGUILLERMO ESQUER GARCIA 303689882EM1T/MX
Dec 6, 2023USI · Full21OOSGUILLERMO ESQUER GARCIA 303689887EM1T/MX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GUILLERMO ESQUER GARCIA3036898Dec 6, 2023Mar 24, 202632SO
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.
8TB528AZGUILLERMO ESQUER GARCIAFeb 15, 2024Mar 24, 20265
82EM1TMX1GUILLERMO ESQUER GARCIAJan 13, 2024Jan 7, 202626
87EM1TMXGUILLERMO ESQUER GARCIADec 6, 2023Dec 6, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026