CSA
Authorized · PropertyUSDOT 3279280· MC1036575· CARRIER· EIN 83-4541341
⬇ PDF report

STONE TRUCKING

Legal: SPENCER TRUCKING LLC

5330 N LA CHOLLA BLVD, TUCSON, AZ, 85741(520) 219-0498mheberling@spencertrucks.comPATRICK SPENCER
Vetting snapshot
Authority
Active
operating authority
Insurance
$750K BIPD
ACUITY, A MUTUAL INSURANCE COMPANY
Vehicle OOS
25%
above 22% national avg
Driver OOS
4.5%
below 6.7% national avg
Crashes 24mo
0
clean
Red flags
None
nothing flagged
100
/ 100

Risk factors

Low riskVioCodes score
No red flags in the public FMCSA record

A weighted read of the public FMCSA signals below — authority, insurance, out-of-service, crashes, roadside OOS rates, and carrier connections. A starting point for vetting, not a guarantee.

Authority & insurance

MC1036575

Operating authority and insurance on file — from FMCSA Licensing & Insurance (L&I).

Common
Active
Contract
None
Broker
None
Authorized for: Property, Private
Liability (BIPD)
$750K on file
$750K required
Cargo
Not on file
not required
Bond / surety
Not on file
not required
Insurance filings
ON FILELiability (BIPD) — BMC-91X$750K coverageeff 10/02/2025
ACUITY, A MUTUAL INSURANCE COMPANY· policy CA-ZP9357
ENDED 10/02/2025Liability (BIPD) — BMC-91X$1M coverageeff 07/27/2025
ACUITY, A MUTUAL INSURANCE COMPANY· policy CAZP9357
Authority history (3) ▾
11/04/2025COMMONINVOLUNTARY REVOCATIONDISCONTINUED REVOCATION (11/03/2025)
10/14/2022COMMONINVOLUNTARY REVOCATIONDISCONTINUED REVOCATION (11/02/2022)
03/06/2020MOTOR PROPERTY COMMON CARRIERGRANTED
Insurance history2 insurers on record
Filing timeline (7)
  1. ACUITY, A MUTUAL INSURANCE COMPANY$750KName Changed
    BIPD/Primary · eff 01/01/202312/08/2025
  2. ACUITY, A MUTUAL INSURANCE COMPANY$750KReplaced
    BIPD/Primary · eff 01/01/202310/02/2025
  3. UNITED FINANCIAL CASUALTY COMPANY$750KCancelled
    BIPD/Primary · eff 02/01/202302/22/2023
  4. UNITED FINANCIAL CASUALTY COMPANY$750KCancelled
    BIPD/Primary · eff 11/10/202202/01/2023
  5. UNITED FINANCIAL CASUALTY COMPANY$750KReplaced
    BIPD/Primary · eff 02/01/202301/01/2023
  6. UNITED FINANCIAL CASUALTY COMPANY$750KReplaced
    BIPD/Primary · eff 11/10/202201/01/2023
  7. UNITED FINANCIAL CASUALTY COMPANY$750KCancelled
    BIPD/Primary · eff 02/04/202011/10/2022

Source: FMCSA Licensing & Insurance (L&I), public data. This shows the carrier’s federal insurance filings (BMC-91X liability, BMC-34 cargo) — the federally-required minimums on file for operating authority — not the carrier’s full commercial policy (its actual auto combined-single-limit, general liability, cargo, or workers’ comp, which appear on the carrier’s ACORD certificate of insurance). Always confirm current coverage with a COI from the carrier’s agent before making a vetting decision.

Roadside inspection performance

Out-of-service rate vs national average. Lower is better.

Vehicle20 inspections · 25% OOS · National 22%
Driver22 inspections · 4.5% OOS · National 6.7%

CSA performance breakdown

FMCSA · Sep 2026

22 inspections · 23 violations (6 OOS) · 20% of inspections had an OOS finding.

22
Inspections
23
Violations
6
OOS violations
10
Distinct codes

Violations by BASIC

click to filter codes

14
total

Most inspected in · top 4 states

  • TX22
  • AZ4
  • CA2
  • NM2

Latest FMCSA SMS snapshot. Codes link to the lookup — severity weighting, contest angles, and the DataQs Drafter for each. Click a BASIC to filter the codes.

Recommendations

What’s driving each score, what to do about it, and where it could go.

A high share of violations are occurring in Kleberg County, TX

Medium impact

15 of 18 violations in the last 12 months (83%) came from inspections in Kleberg County, TX. That can mean tougher enforcement there or simply more of your miles run through it — either way it's worth a look.

What to do
  • Review the inspections from Kleberg County, TX to spot recurring issues
  • Brief drivers running that lane; consider rerouting around the toughest enforcement corridors where practical

Unsafe Driving needs attention

Low impact

Estimated Unsafe Driving percentile of 0% is under the 65% line. In decent shape, but here's what's driving it.

What to do
  • Review recent inspections with violations in this BASIC and take remedial action with drivers/equipment

Controlled Substances/Alcohol needs attention

Low impact

Estimated Controlled Substances/Alcohol percentile of 0% is under the 80% line. In decent shape, but here's what's driving it.

What to do
  • Review recent inspections with violations in this BASIC and take remedial action with drivers/equipment

Lighting / lamps violations are the leading contributor to Vehicle Maintenance

Low impact

Estimated Vehicle Maintenance percentile of 24% is under the 80% line. In decent shape, but here's what's driving it.

What’s contributing8 violations · 3 OOS (24 mo)
Lighting / lamps1 OOS5 viol46%
  • 393.9A-LBLLighting - Backup lamp inoperative1× · 20%
  • 393.9Inoperable Required Lamp2× · 13%
  • 393.9A-LSLIWRLighting - Stop lamps - Both inoperative when required to be on1× · 9%
Load securement1 OOS1 viol30%
  • 393.100B-CCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV1× · 30%
Brakes1 OOS1 viol20%
  • 393.43DBMABrake - Breakaway not attached to the towing vehicle1× · 20%
Windshield / glass / mirrors1 viol3%
  • 393.78Wipers - Inoperative / missing / damaged wipers1× · 3%
What to do
  • Walk the lights every pre-trip and carry spare bulbs/fuses; clean lenses and check the trailer plug
  • Prioritize the out-of-service items — they carry the heaviest weight
Projected estimatecould improve up to 16 pts in ~12 mo
nowin 12 months
Current trend 50% followed 100% followed 80% line

Recommendations are generated from the carrier’s public FMCSA roadside-inspection record. Percentiles and projections are VioCodes estimates, not official FMCSA figures. Informational, not legal advice.

90-day safety improvement plan

What this carrier has struggled with most in the last 90 days — where to focus now.

Improving
21
Inspections
12
Violations
3
Out-of-service
13
Clean
Where the violations are
Vehicle Maintenance 33%Other 33%Not in SMS 25%Hours-of-Service Compliance 8%
Focus here first
1Vehicle Maintenance
4 violations · 2 OOS · 33% of recent
  • 393.100B-CCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV · OOS
  • 393.9A-LBLLighting - Backup lamp inoperative
  • 393.43DBMABrake - Breakaway not attached to the towing vehicle · OOS
Do this
  • Carry extra straps/chains and know the working-load-limit math
  • Re-check securement in the first 50 miles and at every stop
2Other
4 violations · 1 OOS · 33% of recent
  • 393.95F×2Emergency Equipment - Stopped vehicle warning devices missing or improper
  • 393.207AAxle positioning parts defective/missing · OOS
  • 396.17COperating a CMV without proof of a periodic inspection
Do this
  • Verify the extinguisher gauge is in the green and secured
  • Keep a full set of warning triangles in the truck
3Not in SMS
3 violations · 25% of recent
  • 392.2RG×3State vehicle registration or License Plate violation
Do this
  • Track CDL, medical card, and endorsement expirations ahead of time
  • Keep the DQ file complete and the medical card on the driver
Repeat offenders (same code, multiple times)
🎓
Turn these into driver coaching — and prove it
FleetTrained (my companion project) makes branded, multilingual training videos for these exact violations — your driver watches and gets a completion certificate for the file.

Based on roadside inspections in the last 90 days, ranked by what recurs most. Informational, not legal advice.

Inspection & crash map

live · FMCSA MCMIS

Every inspection and crash on record — hover a point for the summary, click for full detail (codes, severity, CSA points).

30
Inspections
23
Violations
6
Out-of-service
112
CSA points
1
Crashes
4
States
cleanviolOOS

CSA points = violation severity weight × FMCSA time weight (3× in the last 6 months, 2× at 6–12, 1× at 12–24). Points are spread within each state — FMCSA records the inspection state, not an exact location. Source: FMCSA MCMIS.

Equipment

VINs via NHTSA

43 distinct vehicles seen in this carrier’s roadside inspections.

22 trailer 15 incomplete vehicle 5 truck 1 other
2023 LEDWELL & SONS ENTERPRISES, INC. Ledwell & Sons Enterprises, Inc.seen 3×
1L9GA72AXPL033469· 4MA9VS AZ
2026 FORD F-350seen 3×
1FD8W3HTXTEE13113· 30SB6741 AZ
2023 PETERBILT 389seen 2×
1XPXP4EX7PD892322· AL26853 AZ
2023 PETERBILT 389seen 2×
1XPXD49X3PD887802· AL26157 AZ
2020 KENWORTH T880seen 2×
1XKZD49X1LJ379130· AL21664 AZ
2020 PETERBILT 367seen 2×
1XPTD40X8LD266013· AL10527 AZ
2026 FORD F-350seen 2×
1FD8W3HT6TED35851· 19N849N TX
2026 FORD F-350seen 2×
1FDRF3HT1TEC87745· BBA007 AZ
2026 HORIZON TRAILERS Horizon Trailersseen 2×
3H7GF4027TR018099· 3TA276 AZ
2026 FORD F-350seen 2×
1FD8W3HTXTED38204· 14S887N TX
2027 LAMAR TRAILERS LAMAR TRAILERSseen 2×
5RVBF4024VP156191· 33R876N TX
2027 LAMAR TRAILERS LAMAR TRAILERSseen 2×
5RVBF4020VP156186· 21P901N TX
2025 FORD F-550seen 2×
1FD0X5HT8SEC16476· B9A0Z7 AZ
2025 FONTAINE TRAILER CO. Fontaine Trailer Co.
13N248300S1564473· 4EA79M AZ
2023 MAC TRAILER MANUFACTURING MAC TRAILER MANUFACTURING
5MATA4226PX072847· Z3A24R AZ
2021 CLEMENT INDUSTRIES Clement
5C2BR32BXMM011777· L4A2SP AZ
2016 KENWORTH T8 Series
1XKDD40X8GJ103816· AL21665 AZ
LUFK
1L01B482661160576· VYA730 AZ
2025 FORD F-350
1FD8X3HT9SED91486· B9A9Z7 AZ
2026 HORIZON TRAILERS Horizon Trailers
3H7GF4021TR012461· 30A9E5 AZ
2026 FORD F-350
1FDRF3HT9TEC87069· BAA207 AZ
2026 HORIZON TRAILERS Horizon Trailers
3H7GF4027TR013064· L4A576 AZ
2017 PARK PARK
13ZGF4021H1002765· 8VA316 AZ
2026 HORIZON TRAILERS Horizon Trailers
3H7GF4027TR018104· 78N849N TX
2026 FORD F-350
1FD8W3HT6TED3585· 43U864N TX
2026 HORIZON TRAILERS Horizon Trailers
3H7GF4025TR018103· 55U864N TX
2026 FORD F-350
1FDRF3HT1TEC87471· BAA307 AZ
2026 HORIZON TRAILERS Horizon Trailers
3H7GF402XTR018100· 3YA776 AZ
2025 FORD F-350
1FD8X3HT0SED90565· B9A8Z7 AZ
2026 HORIZON TRAILERS Horizon Trailers
3H7GF4028TR013655· 3GA1F5 AZ

+ 13 more.

Equipment is inferred from VINs recorded on roadside inspections (FMCSA MCMIS), decoded via the NHTSA vPIC API — it reflects vehicles inspected, not a current fleet roster.

Company profile

FMCSA census

PRIVATE PROPERTY;AUTHORIZED FOR HIRE

Power units
48
on file (MCS-150)
Drivers
24
24 hold a CDL
Annual mileage
0.4M mi
reported 2025
Recordable crash rate
0.00
per million miles
How far they run · drivers by operating lane
  • Interstate · 100+ mi24 drivers
Company officer
PATRICK SPENCER
Operation
Interstate
Registered since
2019-04-26
Last MCS-150 update
2026-02-03
Census status
Active

Fleet: 48 trucks · 11 owned tractors · 20 owned trailers · 37 leased/term tractors.

Source: FMCSA Company Census File (data.transportation.gov). Fleet and driver counts are self-reported on the carrier’s most recent MCS-150 filing.

Connections

carrier graph

This carrier shares VINs, addresses, phone numbers or officers with 3 other carriers — review the connections below as part of your vetting.

3
Connected carriers
1
Fleet-transfer links
3
Most shared VINs
3
Strong links
Strong· 3
1
SPENCER CONSTRUCTION LLC
USDOT 3268710Active· TUCSON, AZ
Strong
OfficerPhoneAddressShared VIN · 3
3H7GF4028TR0136553H7GF402XTR0181001FD8X3HT6SED85791
2
PATRICK SPENCER
USDOT 1573518Active· ALLENTON, MI
Strong
Officer
3
SPENCER CONSTRUCTION LLC
USDOT 3311022Inactive· TUCSON, AZ
Strong
Officer

Shared VINs come from FMCSA roadside-inspection records — a vehicle inspected under more than one carrier, often a fleet transfer or trailer interchange. Other links come from the FMCSA census. Shared identifiers are common and often legitimate — treat these as leads to investigate, not proof of wrongdoing.

Activity history

14 events
  1. 02/03/2026MCS-150 update filed

    0.4M mi reported (2025)

  2. 12/08/2025Insurance name changed — ACUITY, A MUTUAL INSURANCE COMPANY

    BIPD/Primary · policy CA-ZP9357

  3. 11/04/2025COMMON — INVOLUNTARY REVOCATION

    DISCONTINUED REVOCATION (11/03/2025)

  4. 10/02/2025Insurance filed — ACUITY, A MUTUAL INSURANCE COMPANY

    Liability (BIPD) — BMC-91X · policy CA-ZP9357

  5. 10/02/2025Insurance ended — ACUITY, A MUTUAL INSURANCE COMPANY

    policy CAZP9357

  6. 10/02/2025Insurance replaced — ACUITY, A MUTUAL INSURANCE COMPANY

    BIPD/Primary · policy CA-ZP9357

  7. 07/27/2025Insurance filed — ACUITY, A MUTUAL INSURANCE COMPANY

    Liability (BIPD) — BMC-91X · policy CAZP9357

  8. 02/22/2023Insurance cancelled — UNITED FINANCIAL CASUALTY COMPANY

    BIPD/Primary · policy CA00956992

  9. 02/01/2023Insurance cancelled — UNITED FINANCIAL CASUALTY COMPANY

    BIPD/Primary · policy CA00956992

  10. 01/01/2023Insurance replaced — UNITED FINANCIAL CASUALTY COMPANY

    BIPD/Primary · policy CA00956992

  11. 11/10/2022Insurance cancelled — UNITED FINANCIAL CASUALTY COMPANY

    BIPD/Primary · policy CA 0956992

  12. 10/14/2022COMMON — INVOLUNTARY REVOCATION

    DISCONTINUED REVOCATION (11/02/2022)

  13. 03/06/2020MOTOR PROPERTY COMMON CARRIER — GRANTED
  14. 04/26/2019Registered with FMCSA

    PRIVATE PROPERTY;AUTHORIZED FOR HIRE

Merged from FMCSA authority, insurance, out-of-service, and census records.

🚛

Operations

Classification

  • PRIVATE PROPERTY;AUTHORIZED FOR HIRE

Area served

  • Interstate

FMCSA safety rating

Rating
Not rated
Type
Rated
Last review
📄

MCS-150 registration

Form date
2026-02-03
Reported mileage
426,646 mi (2025)

Got a violation you want to contest?

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Data sourced from public FMCSA records via safer.fmcsa.dot.gov · Latest FMCSA update: Sep 2026 · Page refreshed: Sep 22, 2026, 7:47 PM. VioCodes is not affiliated with FMCSA. To dispute incorrect data, file a DataQs Request for Data Review.