Diamond Transport Llc is an active interstate carrier based in Akron, IA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 0 |
| Tractors | 1 | 1 | 0 |
| Trailers | 0 | 0 | 3 |
| Total Power Units | 2 | ||
Distinct vehicles · 24 mo
vs 2 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 | 92% | 93% | Worse than most peers |
| HOS Compliance | 97% | 98% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 85% | 84% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Hours-of-Service Compliance | 2 | 0 | 0 |
| Unsafe Driving |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 5, 2026 | SD | TRUCK TRACTOR | 0 | 0 |
| Dec 9, 2025 | IA | TRUCK TRACTOR | 0 | 0 |
| Sep 24, 2025 | KY | TRUCK TRACTOR | 3 | 0 |
| Jul 21, 2025 | IA | TRUCK TRACTOR | 0 | 0 |
| Jan 28, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 5.00 | — |
| HOS Compliance | 1 | 1.53 | — |
| Vehicle Maintenance | 1 | 2.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Inspected in 4 states. Top state IA accounts for 43% of activity. Activity outside home state (IA): 57%.
| 1 |
| 1 |
| 0 |
| Vehicle Maintenance | 1 | 0 | 0 |
| MD |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Dec 1, 2024 | SD | TRUCK TRACTOR | 0 | 0 |
| Apr 11, 2024 | IA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 24, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Sep 24, 2025 | 3958F1HOSM | HOS (Manner) - Driver's record of duty status not current to the time shown for last change of duty status. Date and Time: | Hours-of-Service Compliance | — |
| Sep 24, 2025 | 3958K2HOSRC | HOS (Manner) - Driver failed to retain a copy of each record of duty status for the previous 7 consecutive days which shall be in his/her possession and available | Hours-of-Service Compliance | — |
| Jan 28, 2025 | 3922SLLS4 | State/Local Laws - Speeding 15 or more miles per hour over the speed limit | Unsafe Driving | — |