7 problems have been reported for the 1999 International 9400. The following chart shows the 5 most common problems for 1999 International 9400. The number one most common problem is related to the vehicle's power train with 2 problems. The second most common problem is related to the vehicle's visibility (2 problems).
| Problem Category | Number of Problems |
|---|---|
| Power Train | |
| Visibility | |
| Suspension | |
| Structure | |
| Air Brake |
The following chart shows the number of problems reported during each of the service years since the debut of the 1999 International 9400 in 1999.
| Service Year | Number of Problems |
|---|---|
| 2022 | |
| 2021 | |
| 2020 | |
| 2019 | |
| 2018 | |
| 2017 | |
| 2016 | |
| 2015 | |
| 2014 | |
| 2013 | |
| 2012 | |
| 2011 | |
| 2010 | |
| 2009 | |
| 2008 | |
| 2007 | |
| 2006 | |
| 2005 | |
| 2004 | |
| 2003 | |
| 2002 | |
| 2001 | |
| 2000 | |
| 1999 |
When making the decision between buying a new or used International 9400, the following table can be used to compare the 1999 International 9400 with the International 9400 from other model years. Note that the number of problems reported for the 1999 9400 is 7 while the average number of problems reported for the 7 model years of the International 9400 is 3.