Carrier profile · USDOT 438391 · MC-240819 · Updated Jul 15, 2026

J K Hackl Transportation Services Inc

75 power unitsavg 6.3 yrNational · 33 statesSUN PRAIRIE, WI87/100
CARRIER ACTIVEMC-240819 ACTIVERATED SATISFACTORY

Safety

Roadside out-of-service rates versus the national benchmark, inspection and crash trends, decoded violation themes, and ELD / hours-of-service integrity — the full safety picture behind the verdict.

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 28.8%24-mo cumulative
050%nat'l 22.26%
Driver OOS 0.0%24-mo cumulative
030%nat'l 6.67%

Every inspection in the window pooled — 52 vehicle and 116 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

55.6% · latest 6-mo window▲ Rising

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending up 5.8 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

110 inspections in the charted months · busiest month Aug '25 · 9

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Expected band
Under-inspected
Expected
Well-monitored
Heavily inspected
0.8 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 75-unit fleet — enough signal to read the safety record, though not a heavy sample.
Registered power units
75
Inspections · 24 mo
116
Annualized
58 / yr
Coverage
0.8 inspections / unit · yr

BASIC categories· CSA SMS · Aug 2026

49%
Unsafe Driving
Vektor peer est.
11%
Hours-of-Service
Vektor peer est.
Driver Fitness
0violations
clean · per-BASIC
Controlled Substances
0violations
clean · per-BASIC
34%
Vehicle Maintenance
Vektor peer est.

Percentile = standing among same-exposure peers (higher = worse). FMCSA publishes percentiles for only some carriers (shown official); elsewhere we show a Vektor peer-percentile estimate, or the absolute SMS measure when there are too few inspections to rank.

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

  • 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving68 · 0 OOS
  • 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance13 · 9 OOS
  • 393.9 Inoperative required lampsVehicle Maintenance9 · 4 OOS
  • 393.60 Windshield / glazingVehicle Maintenance6 · 0 OOS
  • 395.24 ELD — record edits / dataHOS Compliance6 · 0 OOS
  • 393.45 Brake tubing / hose defectsVehicle Maintenance5 · 4 OOS
  • 393.104 Cargo securement — tiedownsVehicle Maintenance4 · 0 OOS
  • 393.55 Antilock brake system (ABS)Vehicle Maintenance3 · 0 OOS
  • 393.106 Parts & accessories (vehicle condition)Vehicle Maintenance2 · 2 OOS
  • 396.3 Inspection / repair / maintenance not performedVehicle Maintenance2 · 0 OOS

ELD & hours-of-service

9 hours-of-service / ELD violations on record · most recent Apr 18, 2026. FMCSA does not publish the ELD device brand; these are the carrier's logging-compliance signals.

8ELD device issues
0No log / no ELD
0False logs
0Drove over hours

Trending worse — 63% of ELD violations are in the last 24 months.

Crash history· 62 total · 6 in 24 mo

62
Total crashes
6
In last 24 mo
0
Fatal
24
Injury
YearCrashesFatalInjuryTow
20263003
20253013
20241001
20233013
20222012
20212002
20202012
20191001
20183013
20163003
20154032
20142002
20132012
20123003
20113003
20101001
20094033
20082011
20063033
20051001
20043013
20032012
20023031
20012012
20001011
19991001
19952011
DateStateFatalitiesInjuriesTow-away
Jun 20, 2026IN00Yes
Jan 12, 2026WA00Yes
Jan 8, 2026OH00Yes
Nov 14, 2025AL00Yes
Aug 17, 2025NE00Yes
Aug 7, 2025VA01Yes
May 14, 2024IL00Yes
Nov 12, 2023NC00Yes
Oct 30, 2023TX00Yes
Mar 10, 2023CA01Yes
Nov 14, 2022CA00Yes
Jul 16, 2022NV01Yes
Dec 3, 2021CA00Yes
Sep 27, 2021AZ00Yes
May 4, 2020AL00Yes
Feb 11, 2020CA01Yes
Nov 25, 2019WY00Yes
Feb 27, 2018MT00Yes
Feb 7, 2018CA00Yes
Feb 5, 2018MI01Yes
May 26, 2016CA00Yes
Feb 17, 2016CA00Yes
Feb 13, 2016TX00Yes
Nov 27, 2015KS00Yes
Oct 21, 2015TN01No