DBA: Spartan Boiler & Mechanical Or Spartan Boiler Or Spartan Mechanical
Lone Star Steamworks Llc is an active interstate carrier based in Amarillo, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 23 | 0 | 0 |
| Trailers | 8 | 0 | 0 |
| Total Power Units | 23 | ||
Distinct vehicles · 24 mo
vs 23 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 98% | 96% | Worse than most peers |
| Driver Fitness | 76% | 92% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 76% | 82% | 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 | 3 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 2 states. Top state KS accounts for 50% of activity. Activity outside home state (TX): 100%.
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 6 | 0 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 26, 2025 | OK | SEMI-TRAILER | 2 | 0 |
| Sep 20, 2024 | KS | TRUCK TRACTOR | 6 | 4 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Sep 26, 2025 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 1 | 2.33 | — |
| Vehicle Maintenance | 2 | 7.33 | — |
| Driver Fitness | 1 | 0.33 | — |
| Controlled Substances | 0 | 0.00 | — |
| Driver Fitness |
| 1 |
| 0 |
| 0 |
| Hours-of-Service Compliance | 1 | 0 | 1 |
| 39360D |
| Windshield / Windows - Tinting permits less than 70% of light transmittance |
| Vehicle Maintenance |
| — |
| Sep 26, 2025 | 39395KEE | Emergency Equipment - Stopped vehicle warning devices inadequate flag size | Vehicle Maintenance | — |
| Sep 20, 2024 | 39141A | Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency. History of either fail | Driver Fitness | — |
| Sep 20, 2024 | 39343 | No/improper breakaway or emergency braking | Vehicle Maintenance | Yes |
| Sep 20, 2024 | 39348A | Inoperative/defective brakes | Vehicle Maintenance | — |
| Sep 20, 2024 | 3958ANONELD | No record of duty status when one is required (ELD Not Required) | Hours-of-Service Compliance | Yes |
| Sep 20, 2024 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |
| Sep 20, 2024 | 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 |