Diamond Express Inc is an active interstate carrier based in Birmingham, AL.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 18 | 0 | 0 |
| Tractors | 0 | 18 | 0 |
| Trailers | 2 | 0 | 0 |
| Total Power Units | 18 | ||
Distinct vehicles · 24 mo
vs 18 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 81% | 95% | Worse than most peers |
| HOS Compliance | 69% | 95% | Around peer average |
| Driver Fitness | 81% | 95% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 84% | 91% | 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 | 6 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 43 | 8 | 6 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 10, 2026 | AL | TRUCK TRACTOR | 2 | 0 |
| Mar 3, 2026 | AL | TRUCK TRACTOR | 2 | 0 |
| Jan 5, 2026 | AL | TRUCK TRACTOR | 0 | 0 |
| Dec 18, 2025 | AL | TRUCK TRACTOR | 0 | 0 |
| Nov 25, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 6 | 2.99 | — |
| HOS Compliance | 3 | 0.14 | — |
| Vehicle Maintenance | 13 | 8.94 | — |
| Driver Fitness | 1 | 0.54 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 4 states. Top state AL accounts for 61% of activity. Activity outside home state (AL): 39%.
| Unsafe Driving |
| 6 |
| 2 |
| 0 |
| Hours-of-Service Compliance | 5 | 0 | 0 |
| Driver Fitness | 2 | 1 | 2 |
| AL |
| TRUCK TRACTOR |
| 3 |
| 1 |
| Aug 13, 2025 | AL | TRUCK TRACTOR | 3 | 0 |
| Jul 31, 2025 | GA | TRUCK TRACTOR | 1 | 0 |
| Jul 28, 2025 | AL | TRUCK TRACTOR | 6 | 0 |
| Jul 23, 2025 | MS | TRUCK TRACTOR | 3 | 1 |
| Jul 1, 2025 | AL | TRUCK TRACTOR | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 10, 2026 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Mar 10, 2026 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Mar 3, 2026 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Mar 3, 2026 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Nov 25, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Nov 25, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Nov 25, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Aug 13, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Aug 13, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Aug 13, 2025 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |