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Carrier profile · USDOT 853580 · MC-309441 · Updated 06/13/2026

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER

DBA JESSE DIEFENDERFER & SONS

4 power unitsavg 14.4 yrRegional · 7 statesEAST FALLOWFIELD, PA

CARRIER ACTIVEMC-309441 ACTIVE

Observed fleet · trailing 24 mo daily

4Power units

4 observed · MCS-150

5Trailers seen

Decoded · vPIC

14.4Avg age (yr)

1997–2025 · vPIC

Call dispatch(610) 350-6750 Email dispatchJDANDSONS@LIVE.COM

Carrier verification summary for DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER (USDOT 853580) has a Vektor safety score of 94/100 and a Clear to load verdict, computed deterministically from the FMCSA record refreshed 06/13/2026.

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER (USDOT 853580) holds active common and contract for-hire operating authority per FMCSA L&I as of 06/13/2026.

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER (USDOT 853580) has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot row is available as of 06/13/2026.

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER (USDOT 853580) has a 50.0% vehicle out-of-service rate over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed 06/13/2026.

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER (USDOT 853580) has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of 06/13/2026.

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER (USDOT 853580) reports 4 power units and 4 drivers in its most recent MCS-150 filing dated 12/18/2025.

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER (USDOT 853580) has no FMCSA-assigned safety rating in the federal record refreshed 06/13/2026.

Click to see how we scored it

Load decision · FMCSA snapshot · 2026-06-13

Clear to load

Active authority and a clean federal record. No blocking issues found.

Active operating authorityInsurance on fileDriver out-of-service rate above average

Watch · 1

Driver out-of-service rate above average12.5% vs the 6.7% national average.

In good standing · 3

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 26 yearsOperating authority has been on file since 2000.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)

$1M

on file

FMCSA L&I

Vehicle OOS · 24-mo

50.0

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)On file

FMCSA L&I

Vehicle OOS · 24-mo

50.0

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Small fleet

4 power units. Brokers price each fleet type apart.

Fleet age vs peersOlder

14.4 yr

Model years 1997–2025 · peer benchmark computing.

Identity stabilityStable

26 yr unchanged

Same registration since 2000 — no chameleon / reincarnation signal.

Safety

8 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 50.0%24-mo cumulative

050%nat'l 22.26%

Driver OOS 12.5%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 2 vehicle and 8 driver inspections over 24 months.

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.

Well-monitored

Under-inspected

Expected

Well-monitored

Heavily inspected

≈1.0 / unit·yr

thin signalabundant signal

Within the expected band for a 4-unit fleet — FMCSA has inspected this carrier often enough that the out-of-service and violation signals above are statistically trustworthy.

Registered power units: 4
Inspections · 24 mo: 8
Annualized: ≈4 / yr
Coverage: ≈1.0 inspections / unit · yr

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 Driving10
395.8 Record of duty status (log / ELD) not current or missingHOS Compliance3 · 1 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance1 · 1 OOS
393.9 Inoperative required lampsVehicle Maintenance1

Explore full safety record — inspections, BASICs, crashes

Authority & insurance

Can they legally + adequately haul your load?

Operating authority· 49 CFR · per type

Operating authority

Common: Active
Contract: Active
Broker: None

Insurance & bonds

BIPD / liability$1,000,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

Insurance adequacy· filed BIPD vs the $750k federal floor

$1M on filegeneral-freight federal minimum

$750k floor

Filed BIPD coverage of $1M meets or exceeds the $750k federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

$750k BIPD last filed · 7 insurers · 0 lapsesInsurer churn

Northland’00–’05

Northland’06–’11

National’11–’19

beyond this history

1996200420122020now

Shorter eras are too brief to label at this scale — all 8 insurers are named in the list below.

BIPD in force — $1,000,000 · GREAT WEST CASUALTY CO. · since Jun 2021

All 8 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
UNITED FINANCIAL CASUALTY COMPANY	Jun 2019 → Jun 2021	$750k	1
NATIONAL CASUALTY COMPANY	Jun 2011 → Jun 2019	$750k	3
NORTHLAND INSURANCE COMPANY	Jun 2006 → Jul 2011	$750k	2
SENTRY SELECT INSURANCE COMPANY	Jun 2005 → Jun 2006	$750k	1
NORTHLAND INSURANCE COMPANY	Jun 2000 → Jun 2005	$750k	3
FRONTIER INSURANCE COMPANY	Jun 1999 → Mar 2000	$750k	2
GREAT WEST CASUALTY CO.	Jun 1997 → Jun 1999	$750k	1
LINCOLN GENERAL INSURANCE COMPANY	Jun 1996 → Jun 1997	$750k	1

Explore full authority & insurance record

Equipment & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 4
Observed power (24 mo): 4
Trailers (towed): 5

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

14.4 yr

Average age

2025

Newest model yr

1997

Oldest model yr

44%

VINs decoded

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & lanes

Revealed by inspection density across 7 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusRegional

revealed

States observed

US states

Inspections · 24 mo

NJ busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

EAST FALLOWFIELD, PA

415 DOE RUN ROAD

Top corridor

NJ ⇄ PA

NJ 2 · WI 1 · NC 1

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & fraud

Affiliated entities & reincarnation signals · for review, not a verdict

Last 12 months: 2 trucks also ran under 1 other carrier

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 2579311Some overlap is legitimate (leased or sold equipment); review alongside the other signals.

Show all-time history (3 trucks · 2 carriers)

Across all inspections on record: USDOT 2860659 USDOT 2579311

Shares a company officer with other carriers

joseph diefenderfer — 2 carriers: USDOT 660374

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Registered and roadside-observed capacity are broadly consistent.

Explore the carrier network & VIN cross-links

Identity & contact

FMCSA census + L&I dossier

Location

Physical address: 415 DOE RUN ROAD, EAST FALLOWFIELD, PA, 19320
Mailing address: PO BOX 31, EAST FALLOWFIELD, PA, 19320
Operation: Interstate

Contact

Phone: (610) 350-6750
Cell: (715) 630-8695
Fax: (610) 383-1088
Email: jdandsons@live.com

Registration

Officers: Joseph Diefenderfer · Dennis Diefenderfer
USDOT / docket: 853580 · MC-309441
First registered: 02/08/2000
Last MCS-150: 12/18/2025 · 105,000 mi (2024)
FMCSA safety rating: Not rated
D-U-N-S: 188065895

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

105,000

Annual mileage

Open the full identity & federal record

Federal activity

Daily-captured FMCSA licensing & insurance changes — monitored by Vektor

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

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Frequently asked

What is DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER's USDOT number?

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER's USDOT number is 853580, and its motor carrier number is MC-309441.

Is DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER authorized to operate?

As of 2026-06-13, DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER is active in the FMCSA register with common, contract, broker operating authority on file.

What is DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER's safety record?

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER has a 50.0% vehicle out-of-service rate (national average 22.26%) across 9 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 94/100 (tier: clear).

How big is DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER's fleet?

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER operates 4 power units and 4 drivers per its most recent MCS-150 filing.

Where is DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER based?

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER is based in EAST FALLOWFIELD, PA, with roadside inspections recorded across 7 states.

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Contact & documents

Call dispatch(610) 350-6750 Email dispatchJDANDSONS@LIVE.COMCarrier packetDownload / print · free

USDOT: 853580
MC / Docket: MC-309441
Officer: JOSEPH DIEFENDERFER
Address: 415 DOE RUN ROAD
EAST FALLOWFIELD, PA, 19320

At a glance

Active for-hire authority

Common authority · 26 yr continuous

$1M BIPD in force

BIPD in force — $1,000,000 · GREAT WEST CASUALTY CO. · since Jun 2021

Vehicle OOS 50%

vs 22.26% national — above benchmark.

No crashes in 24 months

Clean recent crash record.

Leave a reviewVerified · moderated

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