Equipment unit · VIN-decoded · NHTSA vPIC

1989 International SF637

3HAWNTAT8KL194963 · Truck · INCOMPLETE VEHICLE
Carriers run under2
25 mo
Inspections4
all-time
OOS inspections0
of 4
First seenJul 25, 2023
CO
Last seenAug 30, 2025
CA
Inspected under 2 different carriers in 25 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
3HAWNTAT8KL194963
Make
International
Model
SF637
Model year
1989
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
3HA

Deterministic · VIN positions 1–3.

Vehicle descriptor section
WNTAT

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1989 or 2019

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

North American serial sequence
194963

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
INTERNATIONAL

Prefix basis · 10 decoded VINs at 100.0% prefix purity.

Model
SF637

Prefix basis · 10 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
1989

Observed directly for this VIN via NHTSA vPIC.

Observed make
INTERNATIONAL

Observed directly for this VIN via NHTSA vPIC.

Observed model
SF637

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 · Jul 25, 2023 – Aug 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 30, 2025CAI · Full0SCHLUMBERGER TECHNOLOGY CORPORATION 253896K095224/TX
Oct 10, 2024CAV · Vehicle-only0SCHLUMBERGER TECHNOLOGY CORPORATION 253896K095224/TX
May 21, 2024CAV · Vehicle-only0SCHLUMBERGER TECHNOLOGY CORPORATION 253896K095224/TX
Jul 25, 2023COIII · Driver-only0RAMROD TRUCKING INC 213372K095224/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SCHLUMBERGER TECHNOLOGY CORPORATION253896May 21, 2024Aug 30, 20253TX
RAMROD TRUCKING INC213372Jul 25, 2023Jul 25, 20231TX
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.
K095224TX1SCHLUMBERGER TECHNOLOGY CORPORATIONMay 21, 2024Aug 30, 20253
K095224TXRAMROD TRUCKING INCJul 25, 2023Jul 25, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026