Trucking Lens

Spencer Trucking LLC

USDOT 3279280MC-1036575USDOT activeAuthority active· DBA Stone Trucking· Tucson, AZ

Spencer Trucking LLC (USDOT 3279280) runs 48 power units and 40 drivers based in Tucson, AZ, with active operating authority as a motor carrier of property under MC-1036575. The earliest grant on file is from March 2020, 6 years, 8 months ago. $750,000 of liability coverage is on file with Acuity, A Mutual Insurance Company. 1 other active carrier lists the same physical address.

Operating authority

DocketAuthorityStatusInsurance requiredOn file
MC-1036575Motor carrier of propertyActive$1,000,000 liability$2,000,000 liability

Earliest grant on file: Mar 6, 2020 (6 years, 8 months ago).

Insurance and bonds on file

TypeInsurerCoverageEffectiveCancellation
Liability (BIPD) · form 91XAcuity, A Mutual Insurance Company$750,000Oct 2, 2025—

Confirm coverage with the insurer before tendering a load.

Authority history

DateDocketAction
Nov 4, 2025MC-1036575Involuntary revocation · common carrier
Nov 3, 2025MC-1036575Discontinued revocation · common carrier
Nov 2, 2022MC-1036575Discontinued revocation · common carrier
Oct 14, 2022MC-1036575Involuntary revocation · common carrier
Mar 6, 2020MC-1036575Granted · motor carrier of property
Mar 6, 2020MC-1036575Granted · motor carrier of property

Registration

USDOT number3279280
USDOT statusActive
DocketsMC-1036575
Legal nameSpencer Trucking LLC
DBA nameStone Trucking
OperationInterstate
ClassificationPrivate property, Authorized for hire
LocationTucson, Arizona 85741
USDOT addedApr 26, 2019
Last MCS-150 updateOct 5, 2026
Safety ratingNot rated
Hazardous materialsYes

Fleet

Power units48
Trucks48
Drivers40 · 40 with a CDL
Annual miles379,923 · 2025

Cargo carried

General freight, Metal: sheets, coils, rolls, Motor vehicles, Drive/tow away, Logs, poles, beams, lumber, Building materials, Machinery, large objects, Construction, ab, rip rap, gypsum, buoys

Other records

  • 1 other active carrier lists the same physical address. Shared addresses are common for fleets, terminals and filing agents; they are one input to a vetting decision, not a finding.

Check it yourself

Data as of Nov 12, 2026. Sources

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