The 2006 International 4400 is a versatile medium-duty truck, part of International Harvester's long-standing lineup known for its robust construction and adaptability. Primarily offered as a conventional cab chassis, it served a wide array of vocational applications. While specific model years for the 4400 series spanned many years, the 2006 model falls within a well-established generation. Key trims often related to engine and drivetrain configurations rather than distinct luxury levels. New pricing varied significantly based on customization, but used models typically range from $10,000 to $30,000 depending on condition and configuration. It stands out for its ruggedness and configurability, making it a popular choice for businesses needing a reliable workhorse.
The Good
The 2006 International 4400 excels in raw capability and unwavering reliability, offering a dependable performance for demanding tasks. Its robust design appeals to practical buyers seeking durability, while its straightforward functionality provides peace of mind, ensuring it gets the job done every time.
The Bad
Potential buyers should watch out for common issues like electrical gremlins, particularly with wiring harnesses and sensors. Transmission problems can also arise, especially with high-mileage examples. Rust, particularly on the frame and cab corners, is another area to inspect carefully.
2006 International 4400: Quick Overview
- Engine Options: The 2006 International 4400 was typically equipped with robust diesel engines designed for commercial use.
- International DT 466: This was a very common and highly regarded inline-six turbo-diesel engine. Variants offered power outputs generally ranging from 170 to 240 horsepower.
- Cummins ISB Series: In some configurations, particularly for certain vocational applications, a Cummins ISB engine might have been an option, offering similar horsepower ranges.
- Horsepower: Horsepower ratings for the available diesel engines typically ranged from approximately 170 hp to 240 hp, depending on the specific engine variant and tuning. Higher performance tunes were available for specific applications.
- Fuel Economy: Fuel economy for a vehicle of this class is highly variable and depends heavily on the specific engine, transmission, axle ratio, load, and driving conditions. Typically, expect figures in the range of 8-12 miles per gallon (MPG) in mixed or highway driving, but this can be significantly lower under heavy load or stop-and-go conditions.
- 0-60 Times: 0-60 mph (0-97 km/h) times are not a primary metric for commercial trucks and are not typically published or relevant. Performance is prioritized for hauling capacity and sustained operation rather than acceleration.
- Towing Capacity: Towing capacity is highly dependent on the specific chassis configuration, axle ratings, and equipment. The 4400 is designed for medium-duty applications and can typically tow trailers weighing from 10,000 lbs to over 30,000 lbs (gross combined weight rating or GCWR). Specific ratings must be verified based on the truck's VIN and build sheet.
- Trim-Level Features: The International 4400 was primarily a work truck, meaning trim levels were less about luxury and more about function and vocational suitability. Common features included:
- Cab Styles: Standard conventional cab.
- Interior: Durable vinyl or cloth seating, basic dashboard with essential gauges, manual windows and locks were common. Air conditioning was often an option.
- Drivetrain: Available with manual transmissions (e.g., Eaton Fuller) or automatic transmissions. Rear-wheel drive was standard.
- Suspension: Robust leaf spring suspension systems were typical for durability and load-carrying capacity.
- Chassis Configurations: Available in various wheelbase lengths and with different GVWRs (Gross Vehicle Weight Ratings) to suit specific upfitting needs like box trucks, flatbeds, service trucks, and more.
2006 International 4400 Specifications
Vehicle Information
| Year | 2006 |
| Make | International |
| Model | 4400 |
| Trim | - |
| Style | - |
| Type | Truck |
| Category | Heavy Truck |
Manufacturing Details
| Made In | Mexico |
| Manufacturing City | SPRINGFIELD |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 33001 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 8.7L L6 DIESEL |
| Engine Size | 8.7L |
| Engine Cylinders | 6 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | 6x4 |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
Vehicle History Report
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Analysis
Analysis
What Problems Does the 2006 International 4400 Have?
The 2006 International 4400, like many heavy-duty vocational trucks, can experience a range of issues over its lifespan, primarily related to its working nature and component wear. Frequently reported problems often center around the electrical system. Owners have noted issues with wiring harnesses, especially where they are exposed to vibration or moisture, leading to intermittent malfunctions or complete failures of various systems like lights, gauges, or engine controls. Sensors, such as those for the exhaust gas recirculation (EGR) system or the diesel particulate filter (DPF) if equipped on later iterations or specific emissions packages, can also become problematic and require replacement.
Transmission issues are another area of concern, particularly with higher mileage units. Both manual and automatic transmissions can develop problems, including clutch wear, gear grinding, or shifting difficulties. These often stem from heavy usage and the demands placed on the drivetrain. The robust DT 466 engine is generally reliable, but like any diesel, it can suffer from injector issues, turbocharger problems, or head gasket failures if not properly maintained or if pushed to its limits consistently.
Long-term reliability concerns also include the potential for rust, especially on the frame rails, cab mounts, and wheel wells, which can compromise structural integrity. This is more prevalent in regions with harsh winters or coastal environments. While specific recalls for the 2006 model year might be limited and often relate to minor component issues or emissions compliance, it is always advisable to check the National Highway Traffic Safety Administration (NHTSA) database for any applicable safety recalls. Overall, while the 4400 is built for durability, its susceptibility to electrical gremlins and wear-and-tear items on the drivetrain and chassis means diligent maintenance and thorough inspections are crucial for long-term reliability.
How long will the 2006 International 4400 last?
The 2006 International 4400 is built with durability in mind, and with proper and consistent maintenance, it can achieve significant mileage and years of service. Owner data suggests that these trucks, particularly those with the DT 466 engine, can easily reach 250,000 to 500,000 miles or more. Many are used in vocational fleets and can operate for 10-15 years or longer, depending on usage intensity and environmental conditions. The long-term durability is a strong suit, especially for the powertrain. However, weaknesses over time often manifest as electrical system failures, corrosion, and wear on suspension and brake components due to constant use and exposure to the elements. Regular fluid changes, filter replacements, and proactive checks for rust are key to maximizing its lifespan.
What Technology & Safety Features are Included?
The 2006 International 4400 is a vocational truck, and its focus is overwhelmingly on functionality and utility rather than advanced technology, luxury amenities, or extensive driver-assistance systems. Built-in tech and entertainment features are very basic. Standard equipment typically includes a simple AM/FM radio, possibly with a cassette player or a single-disc CD player depending on the original configuration. Connectivity options like Bluetooth or USB ports are generally non-existent.
Driver-assistance features are virtually absent. This era of commercial trucks did not incorporate the sophisticated electronic aids common in passenger vehicles today. There are no features like adaptive cruise control, lane departure warnings, blind-spot monitoring, or automatic emergency braking. The focus is on the driver's direct control and situational awareness.
Safety features are primarily mechanical and structural. Standard safety equipment would include seat belts, hydraulic disc brakes (front and rear), and robust exterior lighting. Some models might have offered optional anti-lock braking systems (ABS) for enhanced stopping control, especially during emergency maneuvers. The cab structure itself is designed for strength and protection in the event of an impact.
Crash-test ratings for commercial trucks like the International 4400 are not typically performed or published in the same manner as passenger cars by organizations like the NHTSA or IIHS. Their design prioritizes payload capacity and operational durability, and occupant protection standards, while present, are different from those for light-duty vehicles. Buyers should understand that the technology and safety suite will be rudimentary by modern standards, reflecting its intended purpose as a reliable work platform.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2006 International 4400 Prices and Market Value
When new, the 2006 International 4400 had a wide price range, starting from approximately $50,000 to $80,000 or more, depending heavily on the specific configuration, engine, chassis options, and any specialized upfitting (e.g., dump body, service body, crane). As a commercial vehicle, depreciation is a significant factor, but also one that levels out over time. A used 2006 International 4400 can currently be found in the market for anywhere from $10,000 to $30,000, with prices dictated by mileage, overall condition, maintenance history, and the type of body or equipment it carries. Resale value is strongly influenced by the health of the engine and transmission, the presence of rust, and the demand for its specific vocational configuration. Well-maintained units with desirable vocational setups tend to hold their value better than basic chassis cabs with high mileage.
2006 International 4400 Cost of Ownership
Owning a 2006 International 4400 involves considerable costs. Insurance premiums will be higher than for a passenger vehicle due to its commercial nature and higher replacement value. Fuel costs are substantial, with its diesel engine averaging 8-12 MPG, depending on load and usage. Maintenance is critical and can be costly; regular oil changes, filter replacements, and diesel-specific upkeep are necessary. Repairs, especially for the engine, transmission, or electrical systems, can be very expensive. While its initial depreciation might be less drastic than a light-duty vehicle, ongoing operational and repair costs make the 4400 a moderately costly vehicle to own, but its durability often justifies the investment for commercial use.
2006 International 4400 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
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Highway Mileage
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2006 International 4400 Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
2006 International 4400 Insurance
Insurance for a 2006 International 4400 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2006 International 4400 Compare to Other Truck?
The 2006 International 4400 competes in the medium-duty truck segment against formidable rivals such as the Freightliner M2 series, Sterling Acterra, and Peterbilt Model 330. In terms of performance, the International 4400, particularly with its robust DT 466 engine, often holds its own, offering strong hauling capabilities and a reputation for durability. Freightliner's M2 is known for its more modern cab design and potentially better fuel efficiency in some configurations, while Sterling's Acterra also offered good powerplants and a solid chassis.
When it comes to features, the 4400 is generally utilitarian, focusing on function over form. Competitors might offer slightly more refined interiors or optional amenities, but none are luxury vehicles. Reliability is where the International 4400 shines for many users, with the DT 466 engine being a legendary workhorse. While all trucks in this class require maintenance, the International's powertrain is often cited for its longevity. Price-wise, used 4400s can be very competitive, offering excellent value for their capability, often falling into a similar or lower price bracket than comparable Freightliner or Sterling models depending on condition.
Similar alternatives include the aforementioned Freightliner M2 and Sterling Acterra. For those prioritizing an even more robust and purpose-built chassis, a used Peterbilt Model 330 or Kenworth T300 could be considered, though they may command a higher price. If the primary need is for a reliable workhorse with proven longevity, the 2006 International 4400 remains a strong contender. However, for buyers seeking more advanced technology, a more comfortable daily driving experience, or potentially better fuel economy from newer powertrains, looking at newer models or different classes of trucks might be warranted.
Final Verdict: Is the 2006 International 4400 a Good Truck?
The 2006 International 4400 is ideally suited for businesses and individuals requiring a dependable, no-frills medium-duty work truck for vocational applications such as construction, delivery, or utility services. It is worth buying primarily in the used market, offering significant capability for its price. This truck is a solid investment if purchased for its intended purpose, provided it has been reasonably maintained and inspected thoroughly for rust and major mechanical issues. Buying a specific trim or configuration that matches your exact needs (e.g., with a specific body type already installed) can enhance its value proposition. New purchases are unlikely as this model year is no longer in production, making used market assessment crucial.
Cathleen V
Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.