Dunn Heat Exchangers Inc is an active interstate carrier based in Texas City, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Tractors | 4 | 5 | 0 |
| Trailers | 11 | 0 | 0 |
| Total Power Units | 13 | ||
Distinct vehicles · 24 mo
vs 13 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 51% | 77% | Around peer average |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state TX accounts for of activity.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 4 | 1 | 0 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 17, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Jan 18, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Nov 5, 2025 | TX | STRAIGHT TRUCK | 2 | 0 |
| Aug 18, 2025 | TX | STRAIGHT TRUCK | 1 | 0 |
| Apr 8, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 4.80 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| TX |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Nov 5, 2025 | 39345B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | Vehicle Maintenance | — |
| Nov 5, 2025 | 3963A1B | Brakes (general) Explain: | Vehicle Maintenance | — |
| Aug 18, 2025 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Apr 8, 2025 | 39375C | Tire-other tread depth less than 2/32 of inch measured in a major tread groove | Vehicle Maintenance | — |