Diamond D Express Llc is an active interstate carrier based in Spearman, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 8 | 0 | 0 |
| Tractors | 8 | 0 | 0 |
| Trailers | 11 | 0 | 0 |
| Total Power Units | 8 | ||
Distinct vehicles · 24 mo
vs 8 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 99% | 98% | Worse than most peers |
| HOS Compliance | 87% | 93% | Worse than most peers |
| Driver Fitness | 80% | 92% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 87% | 90% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 4 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
| Oct 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 21 | 12 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 16, 2026 | IA | TRUCK TRACTOR | 0 | 0 |
| Feb 16, 2026 | IA | TRUCK TRACTOR | 0 | 0 |
| Jan 23, 2026 | IA | TRUCK TRACTOR | 1 | 0 |
| Jan 8, 2026 | SD | TRUCK TRACTOR | 5 | 0 |
| Nov 19, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 7 | 9.54 | — |
| HOS Compliance | 7 | 1.00 | — |
| Vehicle Maintenance | 7 | 12.84 | — |
| Driver Fitness | 2 | 0.42 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 9 states. Top state IA accounts for 35% of activity. Activity outside home state (TX): 100%.
+4 other states with fewer inspections
| Hours-of-Service Compliance |
| 15 |
| 4 |
| 0 |
| Unsafe Driving | 8 | 2 | 0 |
| Driver Fitness | 2 | 1 | 2 |
| MN |
| TRUCK TRACTOR |
| 2 |
| 1 |
| Oct 6, 2025 | MN | TRUCK TRACTOR | 2 | 0 |
| Aug 6, 2025 | MN | TRUCK TRACTOR | 0 | 0 |
| Jul 30, 2025 | IA | TRUCK TRACTOR | 0 | 0 |
| Jul 18, 2025 | SD | TRUCK TRACTOR | 1 | 1 |
| Jul 18, 2025 | SD | TRUCK TRACTOR | 0 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 23, 2026 | 3922C | Failure to obey traffic control device | Unsafe Driving | — |
| Jan 8, 2026 | 3939ALFTSI | Lighting - Front - Turn signal - inoperative | Vehicle Maintenance | — |
| Jan 8, 2026 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Jan 8, 2026 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Jan 8, 2026 | 3939ALTSIR | Lighting - Turn signal -Any inoperative on a unit that is not the rearmost unit | Vehicle Maintenance | — |
| Jan 8, 2026 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Nov 19, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| Nov 19, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Oct 6, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Oct 6, 2025 | 3958A | HOS (Form) - Paper Log/Logging Programs Form and Manner | Hours-of-Service Compliance | — |