Manko Window Systems Inc is an active interstate carrier based in Manhattan, KS.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 34 | 0 | 0 |
| Tractors | 23 | 0 | 0 |
| Trailers | 61 | 0 | 0 |
| Total Power Units | 57 | ||
Distinct vehicles · 24 mo
vs 57 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 73% | 92% | Around peer average |
| HOS Compliance | 75% | 94% | Worse than most peers |
| Driver Fitness | 70% | 93% | Around peer average |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 63% | 86% | Around peer average |
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 | 10 | — | 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 | 12 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 20, 2026 | IA | STRAIGHT TRUCK | 0 | 0 |
| Mar 4, 2026 | CO | STRAIGHT TRUCK | 0 | 0 |
| Mar 2, 2026 | KS | TRUCK TRACTOR | 2 | 0 |
| Feb 11, 2026 | OK | TRUCK TRACTOR | 0 | 0 |
| Feb 10, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 6 | 0.29 | — |
| HOS Compliance | 2 | 0.03 | — |
| Vehicle Maintenance | 21 | 4.09 | — |
| Driver Fitness | 2 | 0.08 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 12 states. Top state CO accounts for 32% of activity. Activity outside home state (KS): 84%.
+7 other states with fewer inspections
| 11 |
| Unsafe Driving | 6 | 0 | 0 |
| Driver Fitness | 2 | 1 | 1 |
| Hours-of-Service Compliance | 2 | 0 | 0 |
| IA |
| TRUCK TRACTOR |
| 2 |
| 1 |
| Feb 6, 2026 | SD | TRUCK TRACTOR | 0 | 0 |
| Jan 28, 2026 | KS | STRAIGHT TRUCK | 0 | 0 |
| Jan 15, 2026 | WY | STRAIGHT TRUCK | 0 | 0 |
| Jan 12, 2026 | KS | TRUCK TRACTOR | 1 | 1 |
| Jan 8, 2026 | CO | STRAIGHT TRUCK | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Mar 2, 2026 | 39311A1CSLRR | Conspicuity Systems - Truck tractor lower rear retro reflective sheeting missing on vehicle manufactured on or after July 1 1997 | Vehicle Maintenance | — |
| Mar 2, 2026 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Feb 10, 2026 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Feb 10, 2026 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Jan 12, 2026 | 39345B2BHTD | Air Brake - Hose/tubing damage into the outer reinforcement ply. | Vehicle Maintenance | Yes |
| Jan 8, 2026 | 3939AHLLH | Lighting - Headlamp(s) fail to operate on low and high beam | Vehicle Maintenance | — |
| Nov 26, 2025 | 3922SLLS2 | State/Local Laws - Speeding 6-10 miles per hour over the speed limit | Unsafe Driving | — |
| Nov 17, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Jul 14, 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 |
| Jun 30, 2025 | 3939AHLLH | Lighting - Headlamp(s) fail to operate on low and high beam | Vehicle Maintenance | — |