No complaints are listed for the 2006 International 4400. NHTSA's API and bulk file list none in this build.
Data build 2026-10-09.
NHTSA lists this vehicle as INTERNATIONAL 4400.
Model-generated complaint tags: No complaints are listed for tagging.
Recalls
See new recalls and investigations this week.
3 recalls.
Date: 2023-05-18. Systems: EXTERIOR LIGHTING.
Defect: Navistar, Inc. (Navistar) is recalling certain 2000-2003 International 8100, 2001-2003 International 9100i, 2001-2007 International 9400i, 2001-2010 International 9200i, 2002-2007, 2009 International 8500, 2003-2007, 2013 International 9900i, 2003-2018 International 8600, 2004, 2007 International 9900iX, 2008-2018 International ProStar, 2010-2011, 2013, 2016 International LoneStar, 2011-2012, 2016 (excerpt)
Consequence: Low visibility or obstructed back up lights may not alert other drivers that the vehicle is backing up, increasing the risk of a crash. (excerpt)
Remedy: Dealers will replace the existing rear stop/turn signal lights, free of charge. Owner notification letters were mailed May 06, 2024. Owners may contact Navistar's customer service at 1-800-448-7825. Navistar's number for this recall is 23514. (excerpt)
Do not drive: No. Park outside: No.
Date: 2008-02-27. Systems: ENGINE AND ENGINE COOLING.
Defect: INTERNATIONAL IS RECALLING 34,993 MY 2006-2008 SCHOOL AND TRANSIT BUSES AND HEAVY DUTY TRUCKS/TRACTORS MANUFACTURED BETWEEN JUNE 1, 2006 AND JUNE 28, 2007, EQUIPPED WITH INTERNATIONAL DT466 OR DT570 ENGINES. THE BASE PLATE OF THE ENGINE OIL COOLER MAY CRACK ALLOWING PRESSURIZED OIL TO LEAK INTO THE ENGINE COMPARTMENT.
Consequence: THIS CONDITION MAY CAUSE EITHER ENGINE SHUT DOWN WITHOUT WARNING, OR IN EXTREME CASES, POSSIBLE ENGINE FIRE WHICH CAN LEAD TO PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH.
Remedy: INTERNATIONAL WILL NOTIFY OWNERS AND REPAIR THE VEHICLES FREE OF CHARGE. THE RECALL BEGAN ON NOVEMBER 21, 2008. OWNERS MAY CONTACT INTERNATIONAL AT 800-448-7825.
Do not drive: No. Park outside: No.
Date: 2005-08-26. Systems: PARKING BRAKE.
Defect: CERTAIN MY 2005 THROUGH 2006 INTERNATIONAL HEAVY TRUCKS AND IC CORP CE SCHOOL BUSES MANUFACTURED BETWEEN JUNE 4, 2004, AND MARCH 31, 2005. THE ANCHOR BOLT THAT IS THE PIVOT POINT FOR THE DRIVELINE PARKING BRAKE SHOES MAY FATIGUE AND BREAK AS A RESULT OF AN INCORRECT SURFACE TREATMENT.
Consequence: IF THE BOLT BREAKS, THE PARK BRAKE MAY NOT ENGAGE. THIS COULD CAUSE THE VEHICLE TO ROLL AWAY WITHOUT WARNING AND COULD RESULT IN A VEHICLE CRASH, POSSIBLY RESULTING IN PROPERTY DAMAGE, PERSONAL INJURY, OR DEATH.
Remedy: INTERNATIONAL RECALL NO. 00518. INTERNATIONAL WILL NOTIFY OWNER AND REPLACE THE AFFECTED ANCHOR BOLTS FREE OF CHARGE. THE RECALL BEGAN ON OCTOBER 14, 2005. CUSTOMERS MAY CONTACT INTERNATIONAL AT 1-800-448-7825.
Do not drive: No. Park outside: No.
Manufacturer communications
93 manufacturer communications.
Communications by system| System | Count |
|---|
| ELECTRICAL SYSTEM | 29 |
|---|
| ENGINE AND ENGINE COOLING | 17 |
|---|
| EQUIPMENT | 15 |
|---|
| ENGINE | 8 |
|---|
| STEERING | 7 |
|---|
| SUSPENSION | 7 |
|---|
| UNKNOWN OR OTHER | 7 |
|---|
| POWER TRAIN | 5 |
|---|
11029461
Date: 2026-02-03. Type: Service Bulletin/Repair Instructions. Systems: ELECTRICAL SYSTEM.
This tool is designed to compare Diamond Logic feature data across multiple vehicle configuration files. It allows users to quickly load files either manually or directly from the Diamond Logic Builder Vehicles folder using VIN-based selection. As files are added or removed, the comparison runs auto
11028359
Date: 2026-01-02. Type: Service Bulletin/Repair Instructions. Systems: ENGINE.
Engine replacements for all International engines will need to follow this procedure.
11027310
Date: 2025-12-19. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
This document will guide the user through a step-by-step procedure for detecting water leaks in vehicle cabs and windshields using an ultrasonic sound detector.
11026148
Date: 2025-12-05. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
This document will guide the user through understanding Prop Shaft Codes and understanding the variations of prop codes. (Metric Prop codes start with the number a 4 and Non metric Prop codes start with a 2.)
11026190
Date: 2025-11-06. Type: Service Bulletin/Repair Instructions. Systems: STRUCTURE.
In some geographic areas, ambient temperatures reaching below 15A?F (-10 A?C), including high levels of humidity, an operator may experience engine stalling, low performance, and or poor aftertreatment performance. This is caused by condensation accumulating and freezing within the Charge Air Cooler
11022447
Date: 2025-08-28. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
Title: Service Portal iKNow Feedback Case Types Applies To: All
11022310
Date: 2025-08-25. Type: Service Bulletin/Repair Instructions. Systems: POWER TRAIN.
Title: Driveline Information Center and Troubleshooting Procedures Applies To: All Vehicles
11021609
Date: 2025-07-18. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
Title: A/C Refrigerant and Oil Capacities Applies To: All current models
11021606
Date: 2025-07-17. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
Title: Fan belt replacement guidelines for frayed edges Applies To: All Models
11021607
Date: 2025-07-07. Type: Service Bulletin/Repair Instructions. Systems: UNKNOWN OR OTHER.
Title: Engine Emission Label Replacement, Certificate of Conformance and Clean Idle Sticker Addition Procedure Applies To: All Navistar Powered Trucks Requesting Engine Emission Label Replacement, Certificate of Conformance and/or Clean Idle Sticker, Clean Truck Check