Dun Transportation & Stringing Inc is an active interstate carrier based in Sherman, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 60 | 0 | 0 |
| Tractors | 60 | 0 | 0 |
| Trailers | 132 | 0 | 0 |
| Total Power Units | 60 | ||
Distinct vehicles · 24 mo
vs 60 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 | 72% | 93% | Around peer average |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 66% | 92% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 89% | 85% | Worse than most peers |
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 | 2 | — | 6.67% |
| Vehicle | 0 | 19 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 2 | 2 |
| Jul 1, 2025 | 0 | 1 | 1 | 1 |
| Jan 1, 2025 | 0 | 1 | 1 | 1 |
| Oct 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 155 | 24 | 24 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 26, 2026 | TX | TRUCK TRACTOR | 5 | 3 |
| Feb 18, 2026 | TX | TRUCK TRACTOR | 3 | 0 |
| Feb 18, 2026 | TX | TRUCK TRACTOR | 2 | 1 |
| Feb 18, 2026 | TX | TRUCK TRACTOR | 1 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 0.91 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 47 | 9.62 | — |
| Driver Fitness | 2 | 0.27 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state TX accounts for 100% of activity. Activity outside home state (TX): 0%.
| Driver Fitness |
| 2 |
| 1 |
| 2 |
| Unsafe Driving | 2 | 2 | 0 |
| 0 |
| Feb 10, 2026 | TX | TRUCK TRACTOR | 3 | 1 |
| Feb 5, 2026 | TX | TRUCK TRACTOR | 5 | 2 |
| Jan 28, 2026 | TX | TRUCK TRACTOR | 2 | 0 |
| Jan 27, 2026 | TX | TRUCK TRACTOR | 0 | 0 |
| Dec 29, 2025 | TX | TRUCK TRACTOR | 1 | 0 |
| Dec 28, 2025 | TX | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 26, 2026 | 393104F3 | Loose or unfastened tiedown | Vehicle Maintenance | Yes |
| Feb 26, 2026 | 39348A | Inoperative/defective brakes | Vehicle Maintenance | Yes |
| Feb 26, 2026 | 39378 | Wipers - Inoperative / missing / damaged wipers | Vehicle Maintenance | — |
| Feb 26, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Feb 26, 2026 | 3963A1BOS | BRAKES OUT OF SERVICE: The number of defective brakes is equal to or greater than 20 percent of the service brakes on the vehicle or combination | Vehicle Maintenance | Yes |
| Feb 18, 2026 | 39311 | No or defective lighting devices or reflective material as required | Vehicle Maintenance | — |
| Feb 18, 2026 | 39375C | Tire-other tread depth less than 2/32 of inch measured in a major tread groove | Vehicle Maintenance | — |
| Feb 18, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Feb 18, 2026 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Feb 18, 2026 | 39375A3 | Tire-flat and/or audible air leak | Vehicle Maintenance | Yes |