Equipment unit · VIN-decoded · NHTSA vPIC

1997 Freightliner USF-1E

1FUYDSEB0VP677151 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections12
all-time
OOS inspections6
of 12
First seenOct 23, 2023
TX
Last seenJul 7, 2026
TX
Inspected under 2 different carriers in 33 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
1FUYDSEB0VP677151
Make
Freightliner
Model
USF-1E
Model year
1997
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
YDSEB

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1997 or 2027

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

North American serial sequence
677151

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
1997

Observed directly for this VIN via NHTSA vPIC.

Observed make
FREIGHTLINER

Observed directly for this VIN via NHTSA vPIC.

Observed model
USF-1E

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 23, 2023 – Jul 7, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 7, 2026TXI · Full11OOSMAD MONKEY CARRIERS LLC 34960831N09750/TX
Jul 3, 2026TXII · Walk-around6MAD MONKEY CARRIERS LLC 34960831N09750/TX
Mar 31, 2026TXII · Walk-around9OOSMAD MONKEY CARRIERS LLC 34960831N09750/TX
Aug 2, 2025TXII · Walk-around12OOSMAD MONKEY CARRIERS LLC 34960831N09750/TX
Jun 30, 2025TXII · Walk-around7YUYU TRANSPORT LLC 41740461N09750/TX
May 24, 2025TXII · Walk-around8OOSYUYU TRANSPORT LLC 41740461N09750/TX
Apr 17, 2025TXI · Full4YUYU TRANSPORT LLC 41740461N09750/TX
Apr 8, 2025TXII · Walk-around0YUYU TRANSPORT LLC 41740461N09750/TX
Aug 30, 2024TXII · Walk-around4OOSYUYU TRANSPORT LLC 41740461N09750/TX
Jun 7, 2024TXII · Walk-around1YUYU TRANSPORT LLC 41740461N09750/TX
Feb 28, 2024TXI · Full4YUYU TRANSPORT LLC 41740461N09750/TX
Oct 23, 2023TXII · Walk-around3OOSMAD MONKEY CARRIERS LLC 34960831N09750/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MAD MONKEY CARRIERS LLC3496083Oct 23, 2023Jul 7, 20265TX
YUYU TRANSPORT LLC4174046Feb 28, 2024Jun 30, 20257TX
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.
1N09750TX1MAD MONKEY CARRIERS LLCOct 23, 2023Jul 7, 20265
1N09750TXYUYU TRANSPORT LLCFeb 28, 2024Jun 30, 20257
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026