Kirby-Smith Machinery Inc is an active interstate carrier based in Oklahoma City, OK.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 220 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Trailers | 2 | 0 | 0 |
| Total Power Units | 222 | ||
Distinct vehicles · 24 mo
vs 222 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 40% | 91% | Around peer average |
| HOS Compliance | 87% | 95% | Worse than most peers |
| Driver Fitness | 93% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 27% | 83% | Better 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 | 0 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 2 | 3 | 3 |
| Jul 1, 2025 | 0 | 5 | 1 | 1 |
| Jan 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Driver Fitness | 2 | 1 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 2, 2026 | OK | STRAIGHT TRUCK | 0 | 0 |
| Feb 3, 2026 | OK | STRAIGHT TRUCK | 1 | 0 |
| Jan 21, 2026 | TX | STRAIGHT TRUCK | 4 | 1 |
| Jan 8, 2026 | NM | STRAIGHT TRUCK | 0 | 0 |
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| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 2 | 0.06 | — |
| HOS Compliance | 1 | 0.17 | — |
| Vehicle Maintenance | 1 | 1.16 | — |
| Driver Fitness | 1 | 1.13 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state OK accounts for 36% of activity. Activity outside home state (OK): 64%.
| Unsafe Driving |
| 2 |
| 0 |
| 0 |
| Vehicle Maintenance | 2 | 1 | 0 |
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Jan 7, 2026 |
| OK |
| STRAIGHT TRUCK |
| 0 |
| 0 |
| Dec 8, 2025 | KS | STRAIGHT TRUCK | 0 | 0 |
| Oct 2, 2025 | TX | STRAIGHT TRUCK | 0 | 0 |
| Jun 27, 2025 | NM | STRAIGHT TRUCK | 0 | 0 |
| Mar 19, 2025 | NM | STRAIGHT TRUCK | 0 | 0 |
| Mar 12, 2025 | OK | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 3, 2026 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Jan 21, 2026 | 38323A2 | Operating a CMV without a CDL | Driver Fitness | Yes |
| Jan 21, 2026 | 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 | — |
| Jan 21, 2026 | 393209E | Power steering violations | Vehicle Maintenance | — |
| Jan 21, 2026 | 39360D | Windshield / Windows - Tinting permits less than 70% of light transmittance | Vehicle Maintenance | — |
| Mar 12, 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 | — |
| May 17, 2024 | 3922SLLILC | State/Local Laws - Improper lane change | Unsafe Driving | — |