Harwell Heavy Haulers Llc is an active intrastate hazmat carrier based in Summerville, SC.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 3 | 0 | 0 |
| Tractors | 3 | 0 | 0 |
| Total Power Units | 3 | ||
Distinct vehicles · 24 mo
vs 3 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 | 94% | 95% | Worse 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 | 85% | 88% | 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 | 1 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jul 1, 2024 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 15 | 0 | 2 |
| Unsafe Driving |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 26, 2026 | SC | STRAIGHT TRUCK | 4 | 0 |
| Aug 15, 2025 | SC | TRUCK TRACTOR | 1 | 0 |
| Aug 8, 2025 | WV | TRUCK TRACTOR | 1 | 0 |
| Sep 5, 2024 | SC | TRUCK TRACTOR | 3 | 1 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 7.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 5 | 7.37 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Inspected in 2 states. Top state SC accounts for 86% of activity. Activity outside home state (SC): 14%.
| 2 |
| 2 |
| 0 |
| Jul 23, 2024 | SC | TRUCK TRACTOR | 2 | 1 |
| May 14, 2024 | SC | TRUCK TRACTOR | 1 | 0 |
| Apr 26, 2024 | SC | TRUCK TRACTOR | 5 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 26, 2026 | 393203CCBP | Cab and Body Parts - Hood not securely fastened | Vehicle Maintenance | — |
| Jan 26, 2026 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Jan 26, 2026 | 39378AWS | Washers - Inoperative washing system. | Vehicle Maintenance | — |
| Jan 26, 2026 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |
| Aug 15, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Aug 8, 2025 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Sep 5, 2024 | 3929A2 | Failing to secure vehicle equipment | Vehicle Maintenance | Yes |
| Sep 5, 2024 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Sep 5, 2024 | 39395A | No/discharged/unsecured fire extinguisher | Vehicle Maintenance | — |
| Jul 23, 2024 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |