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2004 Mitsubishi Fuso FE640 Overview, Reviews, Ratings & Specs

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Eugene S | March 10, 2026
The 2004 Mitsubishi Fuso FE640 is a light-duty commercial truck, part of Fuso's long-standing lineage of dependable work vehicles. Primarily offered as a chassis cab, it was built to be customized for a wide array of vocational uses. Its popularity stems from its robust construction and the flexibility it offers businesses to build out the exact vehicle they need for their specific operations. Pricing when new varied significantly based on upfitting, but its value proposition as a workhorse has made it a sought-after used option.
The Good

The 2004 Mitsubishi Fuso FE640 excels in practical, no-nonsense performance and legendary reliability, offering businesses peace of mind and consistent operation. Its straightforward design prioritizes function, while its robust engineering translates to long-term value, making it an emotionally reassuring and financially sound choice for demanding work environments.

The Bad

Potential weaknesses for the 2004 Mitsubishi Fuso FE640 include rust, particularly in areas exposed to road salt, and potential wear on suspension components due to heavy use. Some owners have noted the interior can feel basic, and certain electrical components might require attention over time.

2004 Mitsubishi Fuso FE640: Quick Overview

  • Engine Options: The 2004 Mitsubishi Fuso FE640 typically came equipped with a robust diesel engine. The most common option was the 4M50, a 4.9-liter turbocharged inline-four diesel engine.

  • Horsepower: The 4M50 engine generally produced around 145 horsepower. This provided ample power for hauling payloads and navigating various work site conditions.

  • Fuel Economy: Specific MPG figures for commercial trucks like the FE640 are not as standardized or widely reported as for passenger cars. However, diesel engines of this era and size were known for their relative efficiency in hauling. Owners often reported fuel economy in the range of 10-15 MPG, depending heavily on load, terrain, and driving style.

  • 0-60 Times: 0-60 mph times are not a primary metric for commercial vehicles like the FE640 and are not typically published. The focus is on torque and load-carrying capability rather than acceleration.

  • Towing Capacity: While the FE640 is primarily designed for payload capacity, its chassis is robust enough to handle towing. Specific towing capacities would depend on the body configuration and any aftermarket towing hitches installed, but it is generally capable of towing trailers within its Gross Vehicle Weight Rating (GVWR) limitations.

  • Trim-Level Features: The FE640 was primarily sold as a chassis cab, meaning it came as a base frame with a cab. Specialized body types (e.g., box trucks, flatbeds, dump beds, service bodies) were then upfitted by third-party manufacturers. Standard features within the cab were focused on functionality and durability for commercial use. This typically included:
    • Basic, durable interior materials
    • Manual windows and door locks (power options may have been available)
    • AM/FM radio
    • Bench seating
    • Air conditioning (often optional)
    • Power steering
    • Heated mirrors
    Trim levels were less about luxury and more about vocational packages or drivetrain configurations (e.g., 2WD).

2004 Mitsubishi Fuso FE640 Specifications

Vehicle Information
Year 2004
Make Mitsubishi Fuso
Model FE640
Trim -
Style -
Type Truck
Category Heavy Truck
Manufacturing Details
Made In Japan
Manufacturing City KAWASAKI-SHI
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating -
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 7.5L I6
Engine Size 7.5L
Engine Cylinders 4
Transmission -
Transmission Type -
Transmission Speeds -
Drivetrain Rear-Wheel Drive
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 2004 Mitsubishi Fuso FE640 Have?

The 2004 Mitsubishi Fuso FE640, like many commercial vehicles of its age and type, can encounter certain issues related to its age and operational demands. One of the most common concerns, especially in regions with harsh winters, is the potential for rust. Frame rust, cab corner rust, and rust on the undercarriage are frequent points of inspection. This can significantly impact the vehicle's structural integrity and long-term viability.

Another area of concern for older diesel engines is the fuel injection system. Issues such as clogged injectors or problems with the fuel pump can arise, often exacerbated by fuel quality or lack of regular maintenance. Over time, the turbocharger can also experience wear and tear, leading to a loss of power or increased oil consumption.

Suspension components, including leaf springs and bushings, can wear out due to consistent heavy loads. This can lead to a rougher ride, increased tire wear, and potentially affect handling. Brake systems, also subjected to heavy use, might require more frequent attention, including rotor and pad replacements.

While specific recalls for the 2004 model year are not widely publicized, it is always advisable for owners to check with official channels or vehicle history reports for any outstanding safety campaigns. Long-term reliability is generally considered strong for Fuso products, but it is heavily dependent on the rigorousness of the maintenance schedule followed. Neglected maintenance, especially on the diesel engine and its related systems, can lead to more significant and costly repairs. Electrical gremlins, while not as common as mechanical wear, can also surface in older vehicles, affecting lights, sensors, or dashboard indicators. Owners should be particularly attentive to the cooling system, ensuring proper fluid levels and checking for leaks to prevent overheating, which can cause severe engine damage.

How long will the 2004 Mitsubishi Fuso FE640 last?

The 2004 Mitsubishi Fuso FE640 is renowned for its potential for long service life, often exceeding 200,000 to 300,000 miles with diligent maintenance. Many owners report these trucks continuing to perform reliably for 15 to 20 years or more, especially when used for moderate commercial purposes rather than extreme, constant heavy hauling. The inherent durability of its diesel powertrain and robust chassis contribute significantly to this longevity. However, weaknesses like rust and wear on suspension and brake components become more pronounced with age and mileage, necessitating regular inspections and proactive repairs to ensure continued safe operation and maximize its service life.

What Technology & Safety Features are Included?

The 2004 Mitsubishi Fuso FE640 prioritizes functionality and work-readiness over advanced technology, typical for commercial vehicles of its era. Built-in tech is generally basic, focusing on essential operational needs. The entertainment system is usually limited to an AM/FM radio, with CD players or auxiliary inputs being rare or aftermarket additions. Power windows and locks were often optional rather than standard, reflecting its utilitarian design.

Driver-assistance features as we know them today are virtually non-existent. The focus is on the driver's direct control and awareness. Features like power steering and heated mirrors are present to aid the driver in operating the vehicle efficiently and safely. Visibility from the cab is generally good, providing a clear view of the road and surroundings.

Safety features are straightforward. The FE640 typically includes standard seat belts, and robust structural integrity for the cab itself. Anti-lock Braking System (ABS) was often an available option, which is crucial for a vehicle designed to carry significant weight. Airbags for the driver and any passengers are standard.

Crash-test ratings for commercial trucks like the FE640 are not as commonly published or standardized as for passenger vehicles. The design intent is to provide a safe operating environment under load, with a focus on occupant protection through a strong chassis and cab structure. Owners should verify the presence and functionality of safety equipment like ABS if it was specified as an option. The truck's primary safety feature is its robust construction and reliable braking system, designed to handle its intended workload.

What Colors Options are Available?

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2004 Mitsubishi Fuso FE640 Prices and Market Value

When new, the 2004 Mitsubishi Fuso FE640 chassis cab would have started in the range of $30,000 to $40,000, but this price would escalate considerably once specialized body upfits like box trucks or service bodies were added. Due to its commercial nature and the cost of upfitting, the initial investment was substantial.

Currently, used 2004 Fuso FE640 models typically range from $5,000 to $15,000, heavily influenced by mileage, condition, and the type of body installed. Depreciation is significant from its new price, as is common with commercial vehicles. Factors greatly affecting resale value include the amount of rust, the condition of the engine and transmission, the functionality of the upfitted body, and overall maintenance history. A well-maintained unit with minimal rust and a desirable body configuration will command a higher price.

2004 Mitsubishi Fuso FE640 Cost of Ownership

Owning a 2004 Mitsubishi Fuso FE640 involves specific costs. Insurance premiums will be higher than for a car due to its commercial classification, varying with coverage levels and usage. Fuel costs, while diesel can be more efficient per mile, are significant given its typical usage and fuel economy. Maintenance is crucial for longevity; expect regular oil changes, filter replacements, and checks on diesel-specific components. Repairs can be moderately costly, particularly for engine or transmission work, as parts and specialized labor are required. Overall, while not inexpensive to own, its durability and work capability often make it an economical choice for businesses when compared to the initial investment and operating costs of newer, equivalent commercial vehicles.

2004 Mitsubishi Fuso FE640 Fuel Efficiency

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

2004 Mitsubishi Fuso FE640 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

2004 Mitsubishi Fuso FE640 Insurance

Insurance for a 2004 Mitsubishi Fuso FE640 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2004 Mitsubishi Fuso FE640 Compare to Other Truck?

The 2004 Mitsubishi Fuso FE640 competes in the light-duty commercial truck segment, where it faces rivals such as the Isuzu NPR, Ford E-Series Cutaway/Chassis Cab, and Chevrolet Express Cutaway.

Performance: The FE640's 4.9-liter diesel engine offers strong low-end torque, ideal for hauling payloads. In comparison, Isuzu NPR models often feature similar diesel engines providing comparable or slightly better power and fuel efficiency. Ford and Chevrolet offered both gasoline and diesel options in their chassis cab versions. Gasoline engines generally provide quicker acceleration but less torque and poorer fuel economy under load compared to the Fuso's diesel.

Features: As a commercial chassis cab, features are basic across the board. The FE640 is utilitarian. Isuzu trucks often share a similar no-frills approach. Ford and Chevrolet chassis cabs might offer slightly more creature comforts or options in their higher trims, but at a higher price point. Technology in 2004 was not a strong suit for any of these work-focused vehicles.

Reliability: Mitsubishi Fuso has a strong reputation for reliability and durability in the commercial sector, and the FE640 is a testament to this. Isuzu trucks are also highly regarded for their longevity and robust diesel engines, often considered a direct competitor in terms of dependability. Ford and Chevrolet commercial vehicles can be reliable, but some model years and specific powertrains have had more documented issues than their Japanese counterparts.

Price: Used, the 2004 FE640 typically offers a very competitive price point for a capable diesel chassis cab, often undercutting comparable Isuzu models. Ford and Chevrolet chassis cabs, especially those with diesel engines, tend to hold their value slightly better or command higher prices on the used market.

Recommendations:
* Similar Alternative: The Isuzu NPR series is a very close alternative, offering comparable diesel performance, reliability, and a similar utilitarian focus.
* If Gasoline is Acceptable: A Ford E-Series or Chevrolet Express Cutaway could be considered if a gasoline engine is sufficient for your needs, potentially offering a wider range of parts availability in some regions, though at the cost of fuel economy and torque for heavy tasks.
* Consider Condition: For any of these vehicles, the specific condition, maintenance history, and the type of body upfit are paramount. A well-maintained Fuso FE640 is often a better buy than a neglected Isuzu or American counterpart.

Final Verdict: Is the 2004 Mitsubishi Fuso FE640 a Good Truck?

The 2004 Mitsubishi Fuso FE640 is ideal for small to medium-sized businesses, tradespeople, and individuals needing a robust and reliable chassis for a specific vocational application, such as a box truck, utility van, or service body. It is absolutely worth buying, particularly on the used market, for those prioritizing longevity and work capability over modern amenities.

This truck is best purchased used, as new models are no longer produced, and the value proposition is strongest in the pre-owned segment. Buyers should focus on finding units with a strong maintenance history, minimal rust, and a functional upfitted body that meets their needs. While it lacks advanced technology and comfort features, its enduring reliability and straightforward design make it a sound investment for businesses that require a dependable workhorse that can be customized for diverse tasks, ensuring a strong return on investment through years of service.

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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.