Carrier profile · USDOT 853580 · MC-309441 ·

Dennis Diefenderfer Rodney Diefenderfer and Joseph Diefenderfer

DBA JESSE DIEFENDERFER & SONS

4 power unitsavg 14.4 yrRegional · 6 statesEAST FALLOWFIELD, PA88/100
CARRIER ACTIVEMC-309441 ACTIVE
Verified linksFMCSA SAFER
Observed fleet · trailing 24 mo daily
4Power units
4 observed · MCS-150
5Trailers seen
Decoded · vPIC
14.4Avg age (yr)
1997–2025 · vPIC
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 unavailable.

Identity stabilityStable

26 yr unchanged

Same registration since 2000 — no chameleon / reincarnation signal.

Cross-border activity

No border inspections on record

A named inspection location does not confirm a border transit or operating authority. Counts cover retained inspection records.

Safety and violations

Violation data is not available for this carrier right now.

Verification summaryAuthority, insurance, safety and identity facts for DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER.

DENNIS DIEFENDERFER RODNEY DIEFENDERFER AND JOSEPH DIEFENDERFER (USDOT 853580) has a Vektor safety score of 88/100 and a Clear to load verdict, from the carrier's FMCSA record. FMCSA profile data as of Nov 3, 2026.

The carrier holds active common and contract for-hire operating authority per FMCSA L&I. FMCSA authority data as of Nov 7, 2026.

It has an active BIPD insurance filing with a $1,000,000 limit in force from GREAT WEST CASUALTY CO. effective Jun 28, 2021 in FMCSA L&I's current snapshot. FMCSA insurance data as of Nov 3, 2026.

Its vehicle out-of-service rate was 0.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data. FMCSA safety data as of Nov 7, 2026.

The carrier received 7 roadside inspections in the last 24 months — 1 vehicle-level and 7 driver-level — across 6 states, according to FMCSA roadside-inspection data. FMCSA operations data as of Nov 7, 2026.

The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available. FMCSA safety data as of Nov 7, 2026.

It reports 4 power units and 4 drivers in its most recent MCS-150 filing dated Dec 18, 2025. FMCSA identity data as of Nov 7, 2026.

It has no FMCSA-assigned safety rating in the federal record. FMCSA identity data as of Nov 7, 2026.

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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?

FMCSA authority data as of Nov 7, 2026. 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 0.0% 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 88/100 (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 6 states.

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