International Prostar Problems by Model Year
NHTSA recorded 21 consumer complaints across the 3 model years of the International Prostar (2010–2013) that have at least 5 complaints. 2013 has the most, with 8. Across all years, the part named most often is engine (8 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.
All Prostar 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.
| Year | Complaints | Median mi | Recalls | TSBs | Score (50 = typical) | Trend |
|---|---|---|---|---|---|---|
| 2013 | 8 | 157,250 | 18 | 519 | — | Not enough data |
| 2012 | 6 | 220,965 | 18 | 496 | — | Not enough data |
| 2010 | 7 | 148,561 | 10 | 479 | — | Not enough data |
Parts named most often, all years
Counts add up complaint mentions across the listed years. A complaint can name several parts.
- Engine8 28%
- Electrical system5 17%
- Fuel system4 14%
- Engine cooling4 14%
- Vehicle speed control2 6.9%
- Suspension2 6.9%
- Other or unknown2 6.9%
- Brakes2 6.9%
Example complaints
One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.
2012: “Truck keeps shutting down navistar is refusing to fix it or to replace or buy it back for what I owe it has been going on for two years . They have lost many law suits to large companies but ate refusing to help the one truck owner. The issue happens while driving sitting still . Just when ever they know it does this and just refuses to make it right. I need help”
NHTSA complaint #11023918, filed 2017-09, 339,000 miles2010: “There is a stainless steel exhaust flex pipe under the cab, right side, just after the regen doser that is wrapped in a flex sheathing. The inside of the pipe cracks and white exhaust flows out and into the cab when the engine goes thru a regen cycle. We had several drivers complain of this issue, upon inspection you can not find any visible cracks in the exhaust. Several drivers were having to put the windows down in order to eliminate the fumes inside the cabin while driving. …”
NHTSA complaint #10429427, filed 2011-10, 148,561 miles2013: “My driver was heading up the 93/95 reno when the front seal broke on the navistar maxxforce engine. My tractor released all of the oil onto the highway. Which causes engine to shut down. I was told by the tech that this problem is very common with this particular engine I've already replaced two two front seals with my other tractors which are 2013 Prostar maxxforce eng”
NHTSA complaint #11154866, filed 2018-11Other International models
17 complaintsInternational 4300
13 complaintsInternational CE
6 complaintsInternational International
5 complaints
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 27, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate. Methodology