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1998 International 9400 Overview, Reviews, Ratings & Specs

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Eugene S | September 17, 2025
The 1998 International 9400 is a Class 8 heavy-duty truck, known for its reliability and versatility. It's a conventional tractor, primarily used for long-haul trucking. While production years vary, the 9400 series was a staple in the late 90s. Trims were often configured based on customer needs, impacting pricing significantly. Its robust build and customizable options made it a popular choice for owner-operators and fleet managers. Pricing when new could range widely depending on specifications. Used prices vary considerably based on condition and mileage.
The Good

The 1998 International 9400 offers dependable performance thanks to its robust engine options. Its simple design contributes to high reliability, appealing to practical buyers seeking low maintenance costs. Drivers appreciate the comfortable cab and customizable configurations. The truck's value lies in its durability and ability to handle demanding tasks, fostering a sense of pride and accomplishment for owner-operators.

The Bad

The 1998 International 9400 can suffer from age-related issues. Watch out for rust, especially in areas prone to salt exposure. Electrical problems are common in older trucks. Engine issues, depending on the specific engine model, can arise due to wear and tear. Regular maintenance is crucial to mitigate these potential weaknesses. Check for leaks and unusual noises.

1998 International 9400: Quick Overview

  • Engine Options: Offered with various diesel engine options, primarily from Cummins, Caterpillar, and Detroit Diesel. Specific models included the Cummins N14, Caterpillar 3406E, and Detroit Diesel Series 60.
  • Horsepower: Horsepower varied widely depending on the engine, typically ranging from 350 to 500+ horsepower. The exact output depended on the specific engine model and tuning.
  • Fuel Economy: Fuel economy for a Class 8 truck like the 9400 is highly variable, depending on load, driving conditions, and maintenance. Expect around 5 to 7 miles per gallon on average.
  • 0-60 Times: 0-60 mph times are not a relevant metric for heavy-duty trucks. Acceleration is more focused on pulling power than speed.
  • Towing Capacity: Designed for heavy-duty hauling, the 9400 could tow upwards of 80,000 lbs or more, depending on configuration and regulations.
  • Trim-Level Features:
    • Base: Typically included a standard cab, basic instrumentation, air conditioning, and standard seating.
    • Upgraded: Could include features like air-ride seats, upgraded interior trim, enhanced sound systems, and sleeper cabs of various sizes.
    • Custom: Many 9400s were custom-ordered with specific features and equipment to meet the needs of individual operators or fleets. This could include specialized axles, transmissions, and auxiliary equipment.
    • Safety Features: Standard safety features included air brakes, antilock braking system (ABS), and lighting systems compliant with regulations. Optional features could include traction control.

1998 International 9400 Specifications

Vehicle Information
Year 1998
Make International
Model 9400
Trim -
Style -
Type Truck
Category Heavy Truck
Manufacturing Details
Made In Canada
Manufacturing City CHATHAM
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating 33001 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 14.6-L L-6 Diesel
Engine Size 14.6L
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 -

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Analysis

What Problems Does the 1998 International 9400 Have?

Frequently reported problems for the 1998 International 9400 and similar model years often revolve around wear and tear common to heavy-duty trucks. These include:
  • Electrical Issues: Wiring harnesses can become brittle and corroded, leading to shorts and malfunctions in lighting, gauges, and other electrical systems.
  • Engine Problems: Depending on the specific engine (Cummins, Caterpillar, Detroit Diesel), issues can include injector problems, turbocharger failures, and general wear necessitating rebuilds. Regular oil changes are crucial for long-term reliability.
  • Transmission Issues: Clutch wear and transmission failures are common, particularly with heavy use.
  • Air System Leaks: Air brake systems are critical, and leaks in airlines, valves, and chambers can cause safety concerns and reduced braking performance.
  • Rust: Corrosion can be a significant problem, especially in regions with road salt. Frame rust is a serious concern, as it can compromise structural integrity. Cab and body panels are also susceptible.
Recalls for the 1998 International 9400 would have been issued by Navistar (International's parent company) and are searchable through the NHTSA (National Highway Traffic Safety Administration) website. Long-term reliability depends heavily on maintenance. Well-maintained 9400s can last for many years, but neglected trucks can quickly become unreliable and costly to repair.

How long will the 1998 International 9400 last?

A 1998 International 9400, if properly maintained, could accumulate well over a million miles. Years of service depend entirely on usage. Many saw continuous service until the mid-2000s or later. Long-term durability hinges on diligent maintenance, including regular oil changes, fluid checks, and timely repairs. Weaknesses over time include engine wear, transmission issues, and rust. Electrical systems are also prone to failure in older models. Overhauls and rebuilds become necessary to keep these trucks running reliably in the long term.

What Technology & Safety Features are Included?

The 1998 International 9400 was relatively basic in terms of built-in tech compared to modern trucks. Entertainment was limited to a radio (often AM/FM cassette). Driver-assistance features were also minimal, consisting mainly of standard gauges and mirrors.
Safety features included:
  • Air brakes
  • Antilock Braking System (ABS) - often optional.
  • Standard lighting systems compliant with regulations.
Optional features could include:
  • Traction control (rare).
  • Upgraded mirrors.
  • Improved lighting packages.
Built-in tech:
  • Basic gauges (speedometer, tachometer, fuel, oil pressure, temperature).
Crash-test ratings are not typically performed on Class 8 trucks. Safety relied heavily on driver skill and adherence to regulations. The focus was on robust construction to withstand impacts, but advanced safety technologies were not prevalent at the time. Optional features like air-ride seats could contribute to driver comfort and reduce fatigue, indirectly improving safety.

What Colors Options are Available?

Exterior Colors
Arctic White
Black
Dark Blue
Interior Colors
Tan
Gray

1998 International 9400 Prices and Market Value

When new, a 1998 International 9400's price varied significantly based on configuration, engine, and options, but generally fell in the range of $60,000 to $90,000+. Current used market prices are highly variable, ranging from a few thousand dollars for units in poor condition to $20,000+ for well-maintained examples. Depreciation is steep for heavy-duty trucks. Factors affecting resale value include overall condition, mileage, engine type, maintenance history, and whether it meets current emissions standards. Trucks that have been well-maintained and are still operational command higher prices.

1998 International 9400 Cost of Ownership

Owning a 1998 International 9400 involves significant costs. Insurance is typically expensive for commercial vehicles. Fuel consumption is high, averaging 5-7 MPG. Maintenance and repair costs can be substantial due to the age of the truck and potential for breakdowns. Long-term ownership can be costly, particularly if the truck requires frequent repairs or overhauls. While the initial purchase price may be low, the overall cost of ownership can be quite high. It is not an economical vehicle to own compared to newer, more efficient models.

1998 International 9400 Fuel Efficiency

Fuel Type Diesel
Fuel Capacity -
City Mileage -
Highway Mileage -

1998 International 9400 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

1998 International 9400 Insurance

Insurance for a 1998 International 9400 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 1998 International 9400 Compare to Other Truck?

The 1998 International 9400 competed with trucks like the Freightliner Century Class, Peterbilt 379, and Kenworth W900. In terms of performance, it was comparable, offering similar engine options and hauling capabilities. Features were generally standard for the time, with less emphasis on technology compared to modern trucks.
Reliability is a key factor. The International 9400 is considered reasonably reliable, but its age means that any unit will require careful inspection and potential repairs. The Peterbilt 379 and Kenworth W900 often command higher resale values due to their perceived prestige and build quality, but this doesn't necessarily translate to significantly better reliability. The Freightliner Century Class can be a more affordable alternative.
When considering alternatives, a similar-era Freightliner Century Class might offer a lower purchase price. However, if reliability and potential for lower long-term costs are paramount, carefully inspect any truck, regardless of brand, and prioritize a well-maintained unit with a documented service history. Newer trucks will offer improved fuel efficiency, safety features, and technology, but at a significantly higher purchase price. Therefore, for a budget-conscious buyer comfortable with older technology, a well-maintained 1998 International 9400 could still be a viable option.

Final Verdict: Is the 1998 International 9400 a Good Truck?

The 1998 International 9400 is ideal for budget-conscious buyers or those seeking a project truck. It's worth buying *only* if you're prepared for potential maintenance and repairs. Given its age, it's strictly a used purchase. Look for models with documented maintenance history and minimal rust. Avoid trucks with obvious signs of neglect. It is best suited for someone needing a basic, no-frills truck for occasional hauling rather than long-haul, high-mileage applications. Newer trucks offer better fuel economy, safety, and reliability, but at a much higher cost. Inspect carefully before buying.

1998 International 9400 Owner Reviews

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Eugene S

Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.