Quest Liner Inc
USDOT 1609038 · MC-595010 · Dubuque, Iowa · Interstate for-hire carrier · 250–499 power units
Quest Liner Inc (dba Quest Liner) is a company based in Dubuque, Iowa, registered with the FMCSA as an interstate carrier (authorized for hire). It reports 344 power units and 239 drivers, which ranks it #19 by fleet size among 165 active for-hire carriers with 50+ power units headquartered in Iowa. In the 24 months to Sep 24, 2026 its trucks were inspected 524 times – about 1.5 inspections per power unit. 11.1% of vehicle inspections and 1.1% of driver inspections ended with an out-of-service order, against 18.3% and 2.0% for carriers of the same size nationally. FMCSA records 24 reportable crashes in the last 24 months (9 injuries, 2 fatalities, 22 tow-away), or 7.0 per 100 power units versus 4.2 for its size band. Crash counts in FMCSA data do not indicate fault. Its registered cargo types are drive-away / towaway, liquids / gases, chemicals, commodities dry bulk.
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Registration and contact
| Legal name | Quest Liner Inc |
|---|---|
| DBA name | Quest Liner |
| USDOT number | 1609038 |
| Operating authority (docket) | MC-595010 |
| Entity type | Authorized for Hire |
| Operation | Interstate |
| Business type | — |
| Physical address | 501 Bell St, Dubuque, IA 52001 |
| Phone | (563) 584-2670 |
| First registered | Feb 20, 2007 |
| Last MCS-150 update | Oct 21, 2025 |
| Hazmat carrier | Yes |
Check live authority, insurance and out-of-service status: FMCSA SAFER snapshot for USDOT 1609038.
Fleet and drivers
| Equipment | Owned | Term-leased | Trip-leased |
|---|---|---|---|
| Straight trucks | 0 | 0 | 0 |
| Truck tractors | 190 | 154 | 0 |
| Trailers | 0 | 0 | 0 |
- 0.69 drivers per power unit (national median for 50+ unit fleets: 0.99).
- 22,006,141 miles reported for 2024 – about 63,971 miles per power unit vs a 41,335 median for 250–499-unit fleets.
- 55% of listed equipment is owned rather than leased.
- 239 CDL drivers; 239 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: 250–499-unit for-hire carriers nationally (792) and Iowa carriers with 50+ units (165).
| Measure | Quest Liner Inc | Same size, US | IA average | |
|---|---|---|---|---|
| Vehicle out-of-service rate | 11.1% | 18.3% | 19.3% | 39% lower than average |
| Driver out-of-service rate | 1.1% | 2.0% | 1.3% | 43% lower than average |
| Crashes per 100 power units | 7.0 | 4.2 | 4.7 | 68% higher than average |
| Inspections | 524 | 524 with a driver check, 450 with a vehicle check, 387 BASIC violations recorded, 382 hazmat-related | ||
| FMCSA safety rating | Not rated – most carriers have never had a compliance review; this is not a negative finding. | |||
Cargo carried
Less common in this directory: drive-away / towaway (383 of 5,000 carriers).
Similar carriers in Iowa
Closest fleet size and cargo mix among Iowa carriers in this directory.
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Sole Transport LC USDOT 231451 | Des Moines | 293 | 265 | 303 | 5.7% | 9 |
| Greenbelt Transport LLC USDOT 160556 | Eldora | 353 | 116 | 131 | 7.9% | 8 |
| Landus Cooperative USDOT 723167 | Des Moines | 343 | 315 | 24 | 40.0% | 2 |
| Stateline Cooperative USDOT 662935 | Burt | 175 | 46 | 11 | 0.0% | 3 |
| New Cooperative Inc USDOT 723015 | Fort Dodge | 322 | 578 | 75 | 12.5% | 16 |
| Barton Solvents Inc USDOT 2516 | Des Moines | 232 | 77 | 161 | 9.3% | 2 |
Other carriers near Dubuque
| Carrier | City | Power units | Drivers | Inspections (24 mo) | Vehicle OOS | Crashes (24 mo) |
|---|---|---|---|---|---|---|
| Hirschbach Motor Lines LLC USDOT 65769 | Dubuque | 2,948 | 2,556 | 4,201 | 23.4% | 204 |
| Foodliner Inc USDOT 46257 | Dubuque | 1,226 | 1,153 | 847 | 10.8% | 80 |
| Art Pape Transfer Inc USDOT 1674 | Dubuque | 340 | 310 | 323 | 28.9% | 25 |
| Tschiggfrie Excavating Company USDOT 402330 | Dubuque | 87 | 41 | 20 | 37.5% | 0 |
| Portzen Construction Inc USDOT 459139 | Dubuque | 75 | 120 | 11 | 30.0% | 0 |
| Simon's Trucking Inc USDOT 164492 | Farley | 129 | 100 | 132 | 5.5% | 3 |
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FAQ
What is the USDOT number of Quest Liner Inc?
Quest Liner Inc is registered with USDOT number 1609038 and operating authority MC-595010.
How many trucks does Quest Liner Inc have?
It reports 344 power units (344 tractors, 0 straight trucks) and 0 trailers, with 239 drivers, on its last MCS-150 update (Oct 21, 2025).
Where is Quest Liner Inc located?
Its registered physical address is in Dubuque, Iowa 52001.
What is the out-of-service rate of Quest Liner Inc?
Over 24 months, 11.1% of vehicle inspections and 1.1% of driver inspections resulted in an out-of-service order (same-size national average: 18.3% vehicle, 2.0% 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.