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FMCSA Carrier Profile

HDH INSTRUMENTS LP

Pattison, TX

CarrierChk vetting signal
Review recommended
Elevated Out-of-Service Rate
60.0% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 88% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
See details ↓
FMCSA status: Active registration · no operating authority  ·  DOT 1933703
Active No Safety Rating
6
Power Units
5
Drivers
5
Inspections
60%
Vehicle OOS
—
Insurance

Broker Vetting Summary

Key signals from current FMCSA records

Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
60.0% OOS · 5 inspections on record
Flags · 1
Elevated Out-of-Service Rate
60.0% of this carrier's roadside inspections in the last 24 months put a driver or vehicle out of service — higher than 88% of carriers with a comparable number of inspections. This is a CarrierChk calculation from FMCSA inspection records, not an FMCSA rating.
Vetting notes
  • Active FMCSA registration, but no active for-hire operating authority on record
  • Registered with FMCSA as a private carrier — not registered to haul other companies' freight for hire
  • No active insurance filing found on record
  • Vehicle out-of-service rate 60.0% — above the 20.7% national average
  • 5 FMCSA inspections on record

Company Information

Registration, contact and cargo details

FMCSA Registration

DOT Number
1933703
Safety Rating
Not Rated
Operation Classification
Private (property)
MCS-150 Filed
September 3, 2009
FMCSA Registration
September 3, 2009
Annual Mileage
0 mi (0)

Contact Information

Address
3166 Hwy 359, Pattison, TX 77466
Owner / Officer
John Gregory Hovas

Cargo Types

Metal/Sheet SteelMotor VehiclesOilfield Equipment

Safety Snapshot

Out-of-service rates, violations and crashes

Safety & Inspection Summary

Total Inspections
5
Driver Inspections
0
Vehicle Inspections
5
Out-of-Service Violations
4

Violations by Category

Vehicle Maintenance13
Unsafe Driving2
Hours of Service0

OOS Rates vs. National Average

Vehicle OOS Rate60.0% · national avg 20.7%
⚠ Above national average (39.3pp higher)
60.0% of 5 inspections in the last 24 months put a driver or vehicle out of service — 88th percentile among carriers with 5–9 inspections (lower is better). CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.

Inspection Trend by Year

2026
3 insp · 1 OOS
2025
1 insp · 2 OOS
2024
1 insp · 1 OOS

Violation Rate by Category

Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.

Vehicle Maintenance 3 of 5 inspections
Unsafe Driving 1 of 5 inspections
Hours of Service 0 of 5 inspections
Driver Fitness 0 of 5 inspections
Controlled Substances 0 of 5 inspections

Crash History (2)

Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
2
Crashes
0
Fatalities
0
Injuries
2
Tow-aways
DateStateFatalInjuredTowConditions
March 31, 2025 TX — — Yes No Adverse Conditions · Daylight · Dry
January 9, 2025 TX — — Yes Rain · Daylight · Wet

Fleet & Operating Areas

Observed roadside activity and equipment

Where This Carrier Operates

States where this carrier's roadside inspections were recorded
FewerMore
TX5

Fleet & Equipment (9)

Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Tractor-Trailer Power units Class 7–8 · trailers up to 80 ft
Power units
~5
of 6 reported to FMCSA
Trailers
~4
seen at inspection
Equipment types observed
Tractor
5
Flatbed
3
Semi-trailer
1
Units on record
VehicleTypeVINInspectionsWith OOS
2020 Great Dane Trailers Flatbed · 48 ft 1GR4M9626LH151214 1 1
1989 Great Dane Trailers Flatbed · 80 ft 1GRDM8020KH130442 1 —
2014 Great Dane Trailers Flatbed · 48 ft 1GRDM9628EH721992 1 1
2019 Kenworth T680 Tractor · Class 8 1XKYD49X0KJ291163 1 1
2013 Peterbilt 386 Tractor · Class 8 1XPHD49X2DD161736 1 1
2019 Peterbilt 337 Tractor · Class 7 2XP2AJ7X0KM265410 1 —
2013 Peterbilt 337 Tractor · Class 7 2XP2AN7X7DM199030 1 1
2016 Freightliner Cascadia Tractor · Class 8 3AKJGEBGXGSGN4794 1 —
Dors Semi-trailer 5JYFB4824JED08072 1 1
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.

Inspection Details

Each roadside inspection with its violations

Inspection Records (5)

DateReport #LocationLevelViolOOSShipperUnit TypeMakeVINLicense
May 6, 2026 V262345395 FM 359 / DURKIN RD, TX II — — HDH INSTRUMENTS
Truck Tractor
Semi-trailer
PETERBILT
GREAT DANE TRAILERS
2XP2AJ7X0KM265410
1GRDM8020KH130442
TX 1M00017
TX 122B412
April 16, 2026 7EQD9DCQDN 2100 CENTRAL PARKWA, TX II 4 1 HDH INSTRUMENTS
Truck Tractor
Semi-trailer
PETERBILT
GREAT DANE TRAILERS
1XPHD49X2DD161736
1GRDM9628EH721992
TX 1L84981
TX 041B491
392.9 OOSDriver may not operate a CMV without proper load securement General Securement
393.78 Wipers - Inoperative / missing / damaged wipers Windshield/ Glass/ Markings
393.55D3 No or Defective ABS Malfunction Indicator for towed vehicles on vehicles manufactured after February 2001 Brakes All Others
393.9 Inoperable Required Lamp Clearance Identification Lamps/Other
March 26, 2026 7E599DJMI6 IH-0010 IN HARRIS CO. (742-797, TX II — — HDH INSTRUMENTS
Straight Truck
FREIGHTLINER
3AKJGEBGXGSGN4794
TX TBX2894
December 2, 2025 7AZD9DBCCZ FM-2920 IN HARRIS CO. (646-676, TX II 7 2 SPRING MACHINE WORKS
Truck Tractor
Semi-trailer
PETERBILT
DORS
2XP2AN7X7DM199030
5JYFB4824JED08072
TX 1L84983
TX 122C339
393.75A3-TAOL OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS Tires
393.106B OOSCargo not immobilized or secured Failure to Prevent Movement
392.82A1 Using a hand-held mobile telephone while operating a CMV Phone Call
392.2LC Improper lane change Dangerous Driving
393.95A No/discharged/unsecured fire extinguisher Emergency Equipment
396.17C Operating a CMV without proof of a periodic inspection Inspection Reports
393.11TL Truck-Tractor lower rear mud flaps retroreflective sheeting / reflex reflective material requirements for vehicles manufactured after July 1997 Reflective Sheeting
November 13, 2024 V241673164 FM359 AT DURKIN RD, TX II 4 1 HDH INSTRUMENTS, LP
Truck Tractor
Semi-trailer
KENWORTH
GREAT DANE TRAILERS
1XKYD49X0KJ291163
1GR4M9626LH151214
TX 1M57788
TX 158B923
393.75A3 OOSTire-flat and/or audible air leak Tires
393.209E Power steering violations Steering Mechanism
393.45B2PC Brake Hose or Tubing Chafing and/or Kinking - Connection to Power Unit Brakes All Others
393.78 Wipers - Inoperative / missing / damaged wipers Windshield/ Glass/ Markings

Shippers Seen at Inspections

Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.

ShipperInspectionsMost recent
SPRING MACHINE WORKS 1 December 2, 2025

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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 11, 2026. Verify directly on FMCSA SAFER Web.

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