Skip to content
National RVModel report

National RV Dolphin Problems by Model Year

NHTSA recorded 14 consumer complaints across the 2 model years of the National RV Dolphin (2003–2005) that have at least 5 complaints. 2003 has the most, with 9. Across all years, the part named most often is brakes (8 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.

All Dolphin model years

Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.

YearComplaintsMedian miRecallsTSBsScore (50 = typical)Trend
200559,54200—Not enough data
200399,03610—Not enough data

Parts named most often, all years

Counts add up complaint mentions across the listed years. A complaint can name several parts.

Example complaints

One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.

2005: “Brake failure. Brakes got hot and I had no brakes. I have a w 22 workhorse chassis on my rv . It is a 2004 chassis on a 2005 National Rv Dolphin .I was able to get stopped with out causing an accident. Workhorse has had a problem with the brakes on there 2000,2001,2003 w22 chassis.”

NHTSA complaint #10267206, filed 2009-04, 20,000 miles

2003: “The PCM/TCM fuse blew when accelerating at low speeds. This caused engine failure, which resulted in the vehicle stalling while driving. Dealership replaced the fuse 3 times, but the problem continued. The cause of the failure was undetermined. Incident was traced to a chaffed wire on a metal clamp within engine compartment.”

NHTSA complaint #10034248, filed 2003-09, 587 miles

Other National RV models

National RV National RV
19 complaints
National RV SEA Breeze
16 complaints
National RV Marlin
9 complaints
National RV Rage'n
6 complaints

All National RV models →

About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 29, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology