J K Hackl Transportation Services Inc
USDOT 438391 · MC-240819 · Sun Prairie, Wisconsin · Interstate for-hire carrier · 100–249 power units
J K Hackl Transportation Services Inc is a corporation based in Sun Prairie, Wisconsin, registered with the FMCSA as an interstate carrier (authorized for hire). It reports 150 power units and 75 drivers, which ranks it #66 by fleet size among 267 active for-hire carriers with 50+ power units headquartered in Wisconsin. In the 24 months to Sep 24, 2026 its trucks were inspected 124 times – about 0.8 inspections per power unit. 23.3% of vehicle inspections and 0.0% of driver inspections ended with an out-of-service order, against 18.8% and 2.6% for carriers of the same size nationally. FMCSA records 7 reportable crashes in the last 24 months (2 injuries, 0 fatalities, 7 tow-away), or 4.7 per 100 power units versus 4.5 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are general freight, metal: sheets, coils, rolls, motor vehicles, drive-away / towaway, logs, poles, beams, lumber, building materials, machinery, large objects, construction.
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Registration and contact
| Legal name | J K Hackl Transportation Services Inc |
|---|---|
| DBA name | — |
| USDOT number | 438391 |
| Operating authority (docket) | MC-240819 |
| Entity type | Authorized for Hire |
| Operation | Interstate |
| Business type | Corporation |
| Physical address | 2833 La Rue Fields Lane, Sun Prairie, WI 53590 |
| Phone | (608) 834-8756 |
| First registered | Mar 8, 1991 |
| Last MCS-150 update | Jan 28, 2026 |
| Hazmat carrier | No |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 438391.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 0 | 0 | 0 |
| Truck tractors | 75 | 0 | 0 |
| Trailers | 117 | 0 | 0 |
- 0.50 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 1.6 trailers per tractor.
- 6,967,563 miles reported for 2025 – about 46,450 miles per power unit vs a 41,613 median for 100–249-unit fleets.
- 100% of listed equipment is owned rather than leased.
- 75 CDL drivers; 75 drivers operate interstate beyond 100 miles, 0 within 100 miles.
Safety record
Roadside inspections Sep 25, 2024 – Sep 24, 2026; crashes Nov 1, 2024 – Oct 31, 2026. Benchmarks: 100–249-unit for-hire carriers nationally (2,611) and Wisconsin carriers with 50+ units (267).
| Measure | J K Hackl Transportation Ser | Same size, US | WI average | |
|---|---|---|---|---|
| Vehicle out-of-service rate | 23.3% | 18.8% | 17.1% | 24% higher than average |
| Driver out-of-service rate | 0.0% | 2.6% | 1.1% | none recorded |
| Crashes per 100 power units | 4.7 | 4.5 | 4.8 | about average |
| Inspections | 124 | 124 with a driver check, 60 with a vehicle check, 58 BASIC violations recorded | ||
| FMCSA safety rating | Satisfactory (rated Oct 20, 2016) | |||
Cargo carried
Less common in this directory: drive-away / towaway (383 of 5,000 carriers); motor vehicles (873 of 5,000 carriers).
Similar carriers in Wisconsin
Closest fleet size and cargo mix among Wisconsin carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Northeast Asphalt Inc USDOT 548041 | Greenville | 145 | 245 | 18 | 9.1% | 2 |
| Cleary Transport LLC USDOT 1617548 | Verona | 201 | 223 | 88 | 36.5% | 1 |
| Payne & Dolan Inc USDOT 152572 | Waukesha | 181 | 356 | 27 | 11.1% | 4 |
| County Transit Inc USDOT 381219 | Marathon | 129 | 88 | 34 | 4.3% | 3 |
| Wausau Supply Trucking LLC USDOT 3422451 | Schofield | 134 | 133 | 187 | 24.0% | 5 |
| Haas Transport Inc USDOT 99766 | Thorp | 118 | 94 | 50 | 10.0% | 4 |
Other carriers near Sun Prairie
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Walgreen Oshkosh Inc USDOT 76502 | Windsor | 1,068 | 1,200 | 852 | 12.7% | 72 |
| Blackhawk Transport Inc USDOT 391460 | Beloit | 703 | 707 | 1,157 | 20.4% | 48 |
| Intercon Construction Trucking Inc USDOT 384485 | Waunakee | 675 | 530 | 85 | 21.3% | 4 |
| Premier Transport LLC USDOT 1169093 | Mount Horeb | 233 | 140 | 44 | 11.5% | 4 |
| FBG Transport LLC USDOT 1966762 | Middleton | 170 | 204 | 17 | 11.1% | 4 |
| Landmark Logistics Inc USDOT 224648 | Cottage Grove | 137 | 127 | 15 | 9.1% | 0 |
| Delco Transport Inc USDOT 264740 | Clinton | 121 | 34 | 37 | 38.5% | 3 |
| Countryside Co-Op Transport of Wisconsin USDOT 936597 | Cottage Grove | 117 | 61 | 43 | 9.1% | 2 |
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FAQ
What is the USDOT number of J K Hackl Transportation Services Inc?
J K Hackl Transportation Services Inc is registered with USDOT number 438391 and operating authority MC-240819.
How many trucks does J K Hackl Transportation Services Inc have?
It reports 150 power units (75 tractors, 0 straight trucks) and 117 trailers, with 75 drivers, on its last MCS-150 update (Jan 28, 2026).
Where is J K Hackl Transportation Services Inc located?
Its registered physical address is in Sun Prairie, Wisconsin 53590.
What is the out-of-service rate of J K Hackl Transportation Services Inc?
Over 24 months, 23.3% of vehicle inspections and 0.0% of driver inspections resulted in an out-of-service order (same-size national average: 18.8% vehicle, 2.6% driver).
Source: FMCSA Company Census File, SMS inspection file and Crash File (data.transportation.gov), refreshed 2026-11-04. Figures are as reported to FMCSA and may lag. How we calculate these numbers. Spotted an error? Carriers update their record with FMCSA via the MCS-150 form; see corrections.