Fleet typeIdentity
Asset-based
60 power units. Brokers price each fleet type apart.
Carrier profile · USDOT 82788 · MC-19416
DUN TRANSPORTATION AND STRINGING INC
60 power unitsavg 14.2 yrLocal · 2 statesSHERMAN, TX
CARRIER ACTIVEMC-19416 ACTIVERATED SATISFACTORY
Observed fleet · trailing 24 mo daily
60Power units
36 observed · MCS-150
17Trailers seen
Decoded · vPIC
14.2Avg age (yr)
1997–2022 · vPIC
Click to see how we scored it
Load decision · FMCSA snapshot · 2026-06-13
Review before loading
Operating, but with flags a broker should weigh before tendering freight.
Active operating authorityInsurance on fileVehicle out-of-service rate above average
Watch · 3
Operating authority5252 yr active
since 1974Insurance (BIPD)On file
FMCSA L&IVehicle OOS · 24mo28.828.8 %
▲ 22.26% nat'lCrashes · fatal22
5 in 24moVektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots
Fleet age vs peersOlder
14.2 yr
Model years 1997–2022 · peer benchmark computing.
Identity stabilityStable
52 yr unchanged
Same registration since 1974 — no chameleon / reincarnation signal.
AI readFull read
Is DUN TRANSPORTATION AND STRINGING INC safe to work with?
Is DUN TRANSPORTATION AND STRINGING INC safe to load? DUN TRANSPORTATION AND STRINGING INC (USDOT 82788, MC-19416) is an active asset-based motor carrier based in SHERMAN, TX, operating 60 power units and 30 drivers. Operating authority has been active 52 years (past the 24-month broker-confidence threshold). Across 80 roadside inspections, its vehicle out-of-service rate is 28.8% (above the 22.26% national average), with 5 reportable crashes in the last 24 months. FMCSA rates it Satisfactory. Vektor rates it review before loading (77/100), with the leading concern: fatal crash on record. Source: FMCSA SAFER/MCMIS, last updated 2026-06-13.
FMCSA fields + Vektor analysis · updated 2026-06-13
DTDUN TRANSPORTATION AND STRINGING INC 77
01
Safety
80 inspections · 24 mo · vs national benchmarks
Out-of-service rate· trailing 24 months vs national benchmark
Vehicle OOS 28.8% (24-mo)52 veh insp · 24-mo · nat'l 22.26%
050%nat'l 22.26%
Driver OOS 5.4% (24-mo)56 drv insp · 24-mo · nat'l 6.67%
030%nat'l 6.67%
OOS trajectory· trailing 6-mo vehicle-OOS rate vs national
33.3% now▼ Improving
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.
Under-inspected
Expected
Well-monitored
Heavily inspected
≈0.5 / unit·yr
thin signalabundant signal
Roadside-inspection volume is about what you'd expect for a 60-unit fleet — enough signal to read the safety record, though not a heavy sample.
- Registered power units
- 60
- Inspections · 24 mo
- 56
- Annualized
- ≈28 / yr
- Coverage
- ≈0.5 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.
- 393.9 Inoperative required lampsVehicle Maintenance53 · 4 OOS
- 393.11 Required lamps/reflectors missingVehicle Maintenance30
- 392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving28
- 393.45 Brake tubing / hose defectsVehicle Maintenance24 · 8 OOS
- 396.3 Inspection / repair / maintenance not performedVehicle Maintenance17 · 5 OOS
- 393.78 Windshield wipersVehicle Maintenance15
- 393.75 Tires (defective / underinflated / worn)Vehicle Maintenance15 · 9 OOS
- 393.47 Brake actuators / linings / componentsVehicle Maintenance14 · 1 OOS
- 393.55 Antilock brake system (ABS)Vehicle Maintenance13
- 396.17 Periodic (annual) inspectionVehicle Maintenance12
02
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 (required)Filed with FMCSA
CargoNone
Surety bond (BMC-84)None
Insurance continuity· insurer · policy · lapses
$750k BIPD · 8 insurers · 1 lapseCoverage lapse
+3 earlier
National Union · 98–01
Zurich American · 01–03
Zurich American · 04–06
Liberty · 06–12
Valley Forge · 12–14
Liberty Fire · 14–20
19932020
No BIPD policy is currently in force in the filing history. The authority record may still list one on file — request a COI to confirm current coverage.
9 insurer eras · collapsed from 11 filings
| Insurer | Period | Limit | Renewals |
|---|---|---|---|
| LIBERTY MUTUAL FIRE INSURANCE CO. | Apr 2014 → Apr 2020 | $750k | 1 |
| VALLEY FORGE INSURANCE CO. | Apr 2012 → Apr 2014 | $750k | 1 |
| LIBERTY MUTUAL INSURANCE CO. | Apr 2006 → Apr 2012 | $750k | 1 |
| ZURICH AMERICAN INSURANCE COMPANY | Mar 2004 → May 2006 | $750k | 1 |
| ST. PAUL FIRE & MARINE INSURANCE CO. | Mar 2003 → Jan 2004 | $750k | 3 |
| ZURICH AMERICAN INSURANCE COMPANY | Jul 2001 → Mar 2003 | $750k | 1 |
| SELECT INSURANCE CO. | Aug 1998 → Mar 1999 | $750k | 1 |
| NATIONAL UNION FIRE INS. CO. OF PITSBGH. PA | Jul 1998 → Jul 2001 | $750k | 1 |
| GULF INSURANCE CO. | Mar 1993 → Sep 1998 | $750k | 1 |
03
Equipment & fleet
VIN-decoded · NHTSA vPIC
Capacity· power units = haulable capacity; trailers are towed
- Registered power units (MCS-150)
- 60
- Observed power (24 mo)
- 36
- Trailers (towed)
- 17
Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.
Fleet age· model years · decoded VINs
Average age
2022
Newest model yr
1997
Oldest model yr
VINs decoded
04
Operations & lanes
Revealed by inspection density across 2 states · 24 mo
Operating footprint· revealed by roadside-inspection geography
Operating radiusLocal
revealedStates observed22
US statesInspections · 24 mo5656
TX busiestInspection density by state· each tile = a state · shade = inspections, last 24 mo
Home base
SHERMAN, TX
Top corridor
TX
Density
fewermore
05
Network & fraud
Affiliated entities & reincarnation signals · for review, not a verdict
No shared-VIN flow in the last 12 months
None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.
Show all-time history (7 trucks · 5 carriers)
Across all inspections on record: USDOT 4336472USDOT 1954839USDOT 2324486USDOT 2795477USDOT 2901274
Shares a company officer with other carriers
tyler nunnenkamp — 2 carriers: USDOT 3858492
Capacity consistency· registered vs roadside-observed power units
Registered (MCS-150)6060
Observed (24 mo)3636
Shared w/ other carriers77
Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.
06
Identity & contact
FMCSA census + L&I dossier
Location
- Physical address
- 304 REYNOLDS LN, SHERMAN, TX, 75092
- Operation
- Interstate
Contact
- Phone
- (903) 891-9660
- Fax
- (903) 891-9665
- tyler@duntrans.com
- Web domain
- duntrans.com
Registration
- Officer
- Tyler Nunnenkamp
- USDOT / docket
- 82788 · MC-19416
- First registered
- 06/01/1974
- Last MCS-150
- 06/11/2024 · 510,482 mi (2021)
- FMCSA safety rating
- Satisfactory · 06/17/2011
- D-U-N-S
- 8946626
Fleet (self-reported · MCS-150)
07
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.
08
Reviews
Verified broker, shipper & driver reviews — moderated
Performance ratings only — never the Vektor risk score
No verified reviews yet
Be the first broker or shipper to rate DUN TRANSPORTATION AND STRINGING INC. Reviews cover performance only — on-time delivery, payment speed, communication — and never affect the Vektor risk score.
Leave a review09
Frequently asked
What is DUN TRANSPORTATION AND STRINGING INC's USDOT number?
DUN TRANSPORTATION AND STRINGING INC's USDOT number is 82788, and its motor carrier number is MC-19416.
Is DUN TRANSPORTATION AND STRINGING INC authorized to operate?
As of 2026-06-13, DUN TRANSPORTATION AND STRINGING INC is active in the FMCSA register with common, contract, broker operating authority on file.
What is DUN TRANSPORTATION AND STRINGING INC's safety record?
DUN TRANSPORTATION AND STRINGING INC has a 28.8% vehicle out-of-service rate (national average 22.26%) across 80 roadside inspections, with 5 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 77/100 (tier: review).
How big is DUN TRANSPORTATION AND STRINGING INC's fleet?
DUN TRANSPORTATION AND STRINGING INC operates 60 power units and 30 drivers per its most recent MCS-150 filing.
Where is DUN TRANSPORTATION AND STRINGING INC based?
DUN TRANSPORTATION AND STRINGING INC is based in SHERMAN, TX, with roadside inspections recorded across 2 states.