The 1998 Kenworth T400 is a robust Class 8 truck, primarily designed for vocational and heavy-duty applications. Produced for several years, it gained popularity for its durability and versatility. While specific trims varied based on vocational needs, the T400 was typically a conventional cab truck. Its pricing as a new vehicle would have been substantial, reflecting its commercial-grade construction. It stands out for its no-nonsense engineering and ability to withstand demanding work environments, making it a favorite among owner-operators and fleet managers seeking a reliable workhorse.
The Good
The 1998 Kenworth T400 offers exceptional durability and proven reliability for demanding tasks. Its robust construction provides peace of mind, while its functional design appeals to practicality. For drivers, the no-frills cabin prioritizes functionality, contributing to its enduring value as a dependable work tool.
The Bad
Potential weaknesses of the 1998 Kenworth T400 often relate to its age. Buyers should watch out for wear and tear on high-mileage components, particularly the powertrain and suspension. Electrical system issues and rust on the chassis are also common concerns due to age and potential exposure to harsh conditions.
1998 Kenworth T400: Quick Overview
- Engine Options: The 1998 Kenworth T400 was typically offered with a range of powerful diesel engines from manufacturers like Cummins and Caterpillar. Common options included:
- Cummins ISX (various displacements, often 10.8L or 11.9L)
- Caterpillar C10/C12
- Detroit Diesel Series 60
- Horsepower: Horsepower ratings varied significantly based on the specific engine chosen, with typical outputs ranging from approximately 335 horsepower to over 500 horsepower. Higher horsepower variants were usually reserved for severe-duty or specialized applications.
- Fuel Economy: Fuel economy for a Class 8 truck like the T400 is highly dependent on engine, gearing, load, terrain, and driving style. It is not typically measured in MPG like passenger vehicles but rather in miles per gallon (MPG) or gallons per mile. Real-world figures could range from 4-7 MPG under optimal conditions, but often lower in heavy haul or stop-and-go vocational use.
- 0-60 Times: 0-60 MPH times are not a relevant metric for this class of vehicle, which is designed for hauling heavy loads at consistent speeds rather than rapid acceleration.
- Towing Capacity: The towing capacity is immense and highly variable, dictated by the specific configuration, axle ratings, chassis strength, and Gross Combination Weight Rating (GCWR). T400 trucks were built for heavy haul, often capable of towing trailers weighing from 80,000 lbs to well over 100,000 lbs GCWR.
- Trim-Level Features: As a vocational truck, 'trim levels' were less about luxury and more about functional packages tailored to specific industries. Key features would focus on:
- Chassis Strength: Heavy-duty frames and suspension for hauling significant weight.
- Axle Configurations: Various axle setups (e.g., single rear axle, tandem rear axles) to suit load requirements.
- Cab Options: Standard day cabs were common, with some models potentially offering sleeper configurations for long-haul drivers.
- PTO (Power Take-Off): Often equipped with PTOs for auxiliary equipment like cranes, dump beds, or lift gates.
- Braking Systems: Robust air brake systems designed for heavy loads.
- Interior: Functional and durable interiors with an emphasis on driver visibility and control.
1998 Kenworth T400 Specifications
Vehicle Information
| Year | 1998 |
| Make | Kenworth |
| Model | T400 |
| Trim | - |
| Style | - |
| Type | Truck |
| Category | Compact Car |
Manufacturing Details
| Made In | United States |
| Manufacturing City | RENTON |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 57000 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 10.8L L6 DIESEL |
| Engine Size | 10.8L |
| 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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What Problems Does the 1998 Kenworth T400 Have?
The 1998 Kenworth T400, being a commercial vehicle designed for heavy use, tends to develop issues related to wear and tear over time rather than inherent design flaws. One of the most frequently reported concerns across many trucks of this vintage, including the T400, revolves around the powertrain. Engines like the Cummins ISX or Caterpillar C12, while generally robust, can develop issues such as injector problems, turbocharger wear, or potential head gasket failures after hundreds of thousands of miles. The transmissions, whether manual (like an Eaton Fuller) or automatic, can experience clutch wear, synchro issues in manuals, or hydraulic problems in automatics.
Electrical systems are another area to watch. Over time, wiring harnesses can degrade, leading to intermittent electrical gremlins, issues with sensors, or failures in gauges and lighting. Corrosion in connectors is a common culprit, especially in regions with harsh winters or coastal environments.
Chassis and suspension components are subjected to immense stress. Look out for signs of frame fatigue, cracked welds, or worn suspension bushings, shocks, and leaf springs. Air brake systems, while generally reliable, require diligent maintenance; leaks in air lines or issues with the compressor or dryer are not uncommon.
Cooling systems, including radiators and water pumps, can be prone to leaks or reduced efficiency with age. Similarly, exhaust systems may develop leaks or rust through. For trucks equipped with hydraulic systems for things like dump beds or steering, leaks and pump failures are possible.
Specific recalls for the 1998 model year are not as readily available as for passenger vehicles, as commercial truck recalls are often component-specific and tied to engine or transmission manufacturers. However, any recall would be for safety-critical systems like brakes or steering.
Long-term reliability hinges heavily on the truck's original specifications and, more importantly, its maintenance history. A T400 that has been meticulously maintained with regular oil changes, filter replacements, and proactive repairs will far outlast one that has been neglected. Owners should be vigilant about the truck's service records.
Electrical systems are another area to watch. Over time, wiring harnesses can degrade, leading to intermittent electrical gremlins, issues with sensors, or failures in gauges and lighting. Corrosion in connectors is a common culprit, especially in regions with harsh winters or coastal environments.
Chassis and suspension components are subjected to immense stress. Look out for signs of frame fatigue, cracked welds, or worn suspension bushings, shocks, and leaf springs. Air brake systems, while generally reliable, require diligent maintenance; leaks in air lines or issues with the compressor or dryer are not uncommon.
Cooling systems, including radiators and water pumps, can be prone to leaks or reduced efficiency with age. Similarly, exhaust systems may develop leaks or rust through. For trucks equipped with hydraulic systems for things like dump beds or steering, leaks and pump failures are possible.
Specific recalls for the 1998 model year are not as readily available as for passenger vehicles, as commercial truck recalls are often component-specific and tied to engine or transmission manufacturers. However, any recall would be for safety-critical systems like brakes or steering.
Long-term reliability hinges heavily on the truck's original specifications and, more importantly, its maintenance history. A T400 that has been meticulously maintained with regular oil changes, filter replacements, and proactive repairs will far outlast one that has been neglected. Owners should be vigilant about the truck's service records.
How long will the 1998 Kenworth T400 last?
The 1998 Kenworth T400 is renowned for its exceptional long-term durability. With diligent maintenance, these trucks can easily surpass 1 million miles. Owners typically expect 15-25 years of service, depending heavily on the intensity of use and the quality of upkeep. Proactive maintenance, including regular fluid changes, filter replacements, and inspection of wear items, is paramount. Trucks used for long-haul trucking, with consistent highway miles and proper care, will generally fare better than those used in severe vocational applications (e.g., construction, refuse collection) which subject them to more stress and idling. Weaknesses that emerge over time are primarily related to age and mileage: wear on drivetrain components (engine, transmission, differentials), potential for electrical gremlins, and corrosion on the chassis. However, the fundamental build quality of a Kenworth means these trucks are often rebuilt or have components replaced, extending their operational life significantly.
What Technology & Safety Features are Included?
The 1998 Kenworth T400, reflecting its era and purpose as a vocational workhorse, is decidedly utilitarian when it comes to technology, driver-assistance, and entertainment features. Built for function over luxury, its focus is on operational efficiency and driver control.
Built-in Tech: Technology in the T400 would primarily consist of essential diagnostic systems for the engine and transmission. This would include an engine monitoring system providing basic readouts on engine parameters and potentially fault codes, accessible via a digital display on the dashboard. Other tech would be standard for the time: a robust electrical system managing lights, wipers, and the HVAC system. Aftermarket additions for GPS or more advanced telematics were common, but not factory-installed standard features in most configurations.
Entertainment: Standard entertainment features were minimal, typically limited to an AM/FM radio, often with a cassette player. Higher-spec or optional units might have included a CD player. Speakers would be basic, designed for clarity over audiophile quality.
Driver-Assistance Features: Driver-assistance features as we know them today were largely absent. The T400 would rely on the driver's skill and awareness. Features like power steering were standard, making the truck more manageable. Antilock Braking Systems (ABS) were becoming more common in this era for heavy trucks, and would likely be an option or standard depending on the specific configuration and intended use, enhancing braking safety under load and varied conditions. Cruise control was often an option for highway driving to improve fuel efficiency and driver comfort.
Safety Features: Safety features were foundational, centered around robust construction and operational reliability. The truck's heavy-duty frame and cab structure were designed to offer significant protection. Air brakes were standard for powerful stopping capability. Seatbelts were mandatory. Visibility was generally good due to the conventional cab design and large windows.
Optional Features: Beyond ABS and cruise control, optional features often related to specific vocational needs: auxiliary lighting, specialized mirror configurations, and potentially air-ride seats for improved driver comfort on long routes.
Crash-Test Ratings: Specific crash-test ratings for vocational trucks like the 1998 Kenworth T400 are not readily available in the same way as for passenger vehicles. The testing and safety standards for commercial trucks are different, focusing on occupant protection in scenarios relevant to heavy vehicle operation and potential collisions. The inherent robust construction of Kenworth trucks generally places them at a high standard for structural integrity within their class.
Built-in Tech: Technology in the T400 would primarily consist of essential diagnostic systems for the engine and transmission. This would include an engine monitoring system providing basic readouts on engine parameters and potentially fault codes, accessible via a digital display on the dashboard. Other tech would be standard for the time: a robust electrical system managing lights, wipers, and the HVAC system. Aftermarket additions for GPS or more advanced telematics were common, but not factory-installed standard features in most configurations.
Entertainment: Standard entertainment features were minimal, typically limited to an AM/FM radio, often with a cassette player. Higher-spec or optional units might have included a CD player. Speakers would be basic, designed for clarity over audiophile quality.
Driver-Assistance Features: Driver-assistance features as we know them today were largely absent. The T400 would rely on the driver's skill and awareness. Features like power steering were standard, making the truck more manageable. Antilock Braking Systems (ABS) were becoming more common in this era for heavy trucks, and would likely be an option or standard depending on the specific configuration and intended use, enhancing braking safety under load and varied conditions. Cruise control was often an option for highway driving to improve fuel efficiency and driver comfort.
Safety Features: Safety features were foundational, centered around robust construction and operational reliability. The truck's heavy-duty frame and cab structure were designed to offer significant protection. Air brakes were standard for powerful stopping capability. Seatbelts were mandatory. Visibility was generally good due to the conventional cab design and large windows.
Optional Features: Beyond ABS and cruise control, optional features often related to specific vocational needs: auxiliary lighting, specialized mirror configurations, and potentially air-ride seats for improved driver comfort on long routes.
Crash-Test Ratings: Specific crash-test ratings for vocational trucks like the 1998 Kenworth T400 are not readily available in the same way as for passenger vehicles. The testing and safety standards for commercial trucks are different, focusing on occupant protection in scenarios relevant to heavy vehicle operation and potential collisions. The inherent robust construction of Kenworth trucks generally places them at a high standard for structural integrity within their class.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
1998 Kenworth T400 Prices and Market Value
When new, the 1998 Kenworth T400, being a Class 8 vocational truck, would have commanded a significant price, likely ranging from $80,000 to $150,000+ depending on engine, chassis, and vocational upfitting.
Current used market prices for a 1998 Kenworth T400 vary dramatically, often falling between $15,000 and $40,000. This wide range is dictated by mileage, condition, engine hours, specific vocational equipment (e.g., dump body, crane), and overall maintenance history.
Depreciation for these trucks is less about time and more about wear and tear. While they depreciate in absolute dollar value, their utility and robust build mean they retain significant value for their intended purpose for many years. Factors affecting resale value include:
Current used market prices for a 1998 Kenworth T400 vary dramatically, often falling between $15,000 and $40,000. This wide range is dictated by mileage, condition, engine hours, specific vocational equipment (e.g., dump body, crane), and overall maintenance history.
Depreciation for these trucks is less about time and more about wear and tear. While they depreciate in absolute dollar value, their utility and robust build mean they retain significant value for their intended purpose for many years. Factors affecting resale value include:
- Engine and Transmission Condition: Rebuilt or well-maintained powertrains significantly increase value.
- Overall Condition: Rust, frame damage, and cosmetic wear are major detractors.
- Tire Tread and Brakes: Wear on these critical components impacts immediate usability and cost.
- Vocational Equipment: Functional and in-demand equipment (e.g., a good condition dump body) adds considerable value.
- Mileage/Hours: Lower operational hours/miles are always preferable.
1998 Kenworth T400 Cost of Ownership
Owning a 1998 Kenworth T400 is generally costly but can be economical relative to its capability if well-maintained.
Insurance costs will be significant, reflecting its commercial nature and value.
Fuel expenses are substantial, with mileage heavily dependent on load and engine, but diesel prices are a primary ongoing cost.
Maintenance is critical and ongoing; regular servicing, tire replacements, and fluid changes are mandatory.
Repairs can be expensive, especially for major powertrain or drivetrain components. Parts availability for older models can sometimes be a challenge, leading to higher labor costs.
The T400 is a work tool; its ownership costs are high, but justified by its ability to generate revenue. For owner-operators, understanding and managing these costs is paramount to profitability.
Insurance costs will be significant, reflecting its commercial nature and value.
Fuel expenses are substantial, with mileage heavily dependent on load and engine, but diesel prices are a primary ongoing cost.
Maintenance is critical and ongoing; regular servicing, tire replacements, and fluid changes are mandatory.
Repairs can be expensive, especially for major powertrain or drivetrain components. Parts availability for older models can sometimes be a challenge, leading to higher labor costs.
The T400 is a work tool; its ownership costs are high, but justified by its ability to generate revenue. For owner-operators, understanding and managing these costs is paramount to profitability.
1998 Kenworth T400 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
1998 Kenworth T400 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 Kenworth T400 Insurance
Insurance for a 1998 Kenworth T400 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1998 Kenworth T400 Compare to Other Truck?
The 1998 Kenworth T400 competed in the heavy-duty vocational truck segment against formidable rivals such as Peterbilt (e.g., Model 370/377), Freightliner (e.g., FLD series), Mack (e.g., CH series), and International (e.g., 9000 series).
Performance: In terms of raw performance, the T400 was designed for work, not speed. Its performance was dictated by its powerful diesel engines, which were comparable to its peers. All these trucks offered similar engine and transmission options, providing robust hauling power. The T400, like other Kenworths, was often praised for its strong chassis and excellent ride quality for a heavy truck, particularly when equipped with air-ride suspensions, which was also available on competitors.
Features: Feature sets were similar across the board, focusing on functionality. While Kenworth might have offered slightly more refined cab ergonomics or a slightly more durable interior in some configurations, competitors like Peterbilt also boasted strong build quality. Freightliner often offered competitive pricing. Mack trucks were known for their durability and distinctive styling. In 1998, advanced tech was minimal, with the focus being on driver comfort and operational efficiency.
Reliability: Kenworth, Peterbilt, and Mack generally held a reputation for superior long-term reliability and build quality compared to some Freightliner and International models of that era, though all were susceptible to wear and tear common in heavy-duty use. Kenworths were often favored for their robust frames and powertrains, leading to a longer service life in demanding applications.
Price: New pricing was competitive within the premium segment, with Kenworth and Peterbilt often being at the higher end due to their perceived build quality and brand prestige. Freightliner and International could sometimes offer more value-oriented options. On the used market, a 1998 T400 would be priced similarly to comparable Peterbilts of the same vintage, potentially higher than comparable Freightliners or Internationals in similar condition.
Alternatives: Similar alternatives that offer comparable robustness and vocational capability include the Peterbilt 370 or 377, Mack CH series, and certain Freightliner FLD models. For a slightly more budget-friendly option that still offers good durability, a well-maintained International 9400i could also be considered. The best alternative depends on the specific vocational application and the availability of well-maintained units.
Performance: In terms of raw performance, the T400 was designed for work, not speed. Its performance was dictated by its powerful diesel engines, which were comparable to its peers. All these trucks offered similar engine and transmission options, providing robust hauling power. The T400, like other Kenworths, was often praised for its strong chassis and excellent ride quality for a heavy truck, particularly when equipped with air-ride suspensions, which was also available on competitors.
Features: Feature sets were similar across the board, focusing on functionality. While Kenworth might have offered slightly more refined cab ergonomics or a slightly more durable interior in some configurations, competitors like Peterbilt also boasted strong build quality. Freightliner often offered competitive pricing. Mack trucks were known for their durability and distinctive styling. In 1998, advanced tech was minimal, with the focus being on driver comfort and operational efficiency.
Reliability: Kenworth, Peterbilt, and Mack generally held a reputation for superior long-term reliability and build quality compared to some Freightliner and International models of that era, though all were susceptible to wear and tear common in heavy-duty use. Kenworths were often favored for their robust frames and powertrains, leading to a longer service life in demanding applications.
Price: New pricing was competitive within the premium segment, with Kenworth and Peterbilt often being at the higher end due to their perceived build quality and brand prestige. Freightliner and International could sometimes offer more value-oriented options. On the used market, a 1998 T400 would be priced similarly to comparable Peterbilts of the same vintage, potentially higher than comparable Freightliners or Internationals in similar condition.
Alternatives: Similar alternatives that offer comparable robustness and vocational capability include the Peterbilt 370 or 377, Mack CH series, and certain Freightliner FLD models. For a slightly more budget-friendly option that still offers good durability, a well-maintained International 9400i could also be considered. The best alternative depends on the specific vocational application and the availability of well-maintained units.
Final Verdict: Is the 1998 Kenworth T400 a Good Truck?
The 1998 Kenworth T400 is ideal for owner-operators and businesses requiring a dependable, heavy-duty vocational truck for demanding tasks like construction, hauling, or specialized work. Its value lies in its legendary durability and robust construction, offering a solid platform for a workhorse.
It is worth buying, but strictly in the used market, as new models are long out of production. A purchase is most advisable if:
It is worth buying, but strictly in the used market, as new models are long out of production. A purchase is most advisable if:
- Extensive Maintenance Records are Available: This is crucial to gauge past care.
- The Truck is Inspected by a Mechanic Specializing in Heavy Trucks: Especially focus on the powertrain, frame, and brakes.
- The Intended Use Aligns with its Capabilities: Don't expect fuel efficiency of a modern truck.
- The Price Reflects its Condition: Factor in potential repair costs.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.