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2019 International DuraStar 4300 Overview, Reviews, Ratings & Specs

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Cathleen V | September 24, 2025
The 2019 International DuraStar 4300 is a prominent medium-duty truck, part of Navistar's robust lineup. Known for its versatile chassis-cab body style, it serves a wide array of vocational applications, from delivery and utility to refuse and construction. Introduced in 2002 as the 4300/4400 series, the DuraStar nameplate was adopted later. Key configurations include regular and crew cabs, various wheelbases, and GVWRs. While not having traditional "trims" like passenger cars, configurations are highly customizable. Its popularity stems from its durability, adaptability, and strong powertrain options, making it a workhorse for businesses requiring reliability and flexibility. Pricing for a new chassis-cab typically ranged from $60,000 to $90,000+, depending heavily on customization and body upfit.
The Good

The 2019 International DuraStar 4300 offers robust performance with powerful Cummins engines, ensuring tasks are completed efficiently. Its exceptional reliability and sturdy build provide peace of mind for practical buyers, minimizing downtime. Though a work truck, the cabin offers decent comfort for long shifts. Its customizable design and good value proposition appeal to businesses needing a dependable, adaptable asset, fostering a sense of capability and long-term investment satisfaction.

The Bad

Potential weaknesses for the 2019 International DuraStar 4300 can include occasional issues with EGR systems and DPFs, common across many modern diesel engines. The cab, while functional, might feel dated compared to some rivals. Rust can be a concern in salt-prone areas, especially on older frames or body components. Watch for electrical gremlins or air conditioning problems.

2019 International DuraStar 4300: Quick Overview

  • Engine Options:
    The 2019 DuraStar 4300 primarily offered the Cummins B6.7 diesel engine. This robust inline 6-cylinder powerplant is renowned for its reliability and commercial-grade performance.
  • Horsepower:
    Available horsepower ratings for the Cummins B6.7 engine typically ranged from 200 hp to 260 hp, depending on the specific calibration and application. Torque figures were substantial, often exceeding 520 lb-ft to 660 lb-ft, crucial for heavy hauling and vocational tasks.
  • Fuel Economy:
    Fuel economy for commercial medium-duty trucks like the DuraStar varies significantly based on load, application, driving style, and body upfit. Estimates generally fall in the range of 6-10 miles per gallon (MPG). It's important to note that "fuel economy" in this segment prioritizes power and durability over passenger car-like efficiency.
  • 0-60 Times:
    0-60 mph acceleration times are not a relevant performance metric for the International DuraStar 4300, as it is a commercial medium-duty truck designed for hauling and vocational work, not speed. Acceleration is measured by its ability to move heavy loads efficiently and safely.
  • Towing Capacity:
    Towing capacity is highly variable, depending on the truck's Gross Vehicle Weight Rating (GVWR), Gross Combination Weight Rating (GCWR), axle ratios, and transmission. GVWRs for the 4300 series can range from approximately 25,500 lbs to 33,000 lbs. With appropriate upfits and hitches, towing capacities can range from 20,000 lbs to over 30,000 lbs, often limited by GCWR.
  • Trim-Level Features:
    Commercial trucks don't have traditional "trim levels" like cars. Instead, they offer extensive customization. Key "features" or options include:
    • Multiple cab configurations: Day Cab, Extended Cab, Crew Cab.
    • Various wheelbase options to accommodate different body lengths.
    • Transmission choices: Manual (e.g., Eaton Fuller) or Automatic (e.g., Allison 2500/3000 Series).
    • Air ride or mechanical rear suspension.
    • Multiple axle ratios for optimizing performance or fuel efficiency.
    • Hydraulic or air brakes.
    • Power windows and locks (often optional).
    • Air conditioning.
    • Cruise control.
    • AM/FM radio with auxiliary input.
    • Driver information display.
    • Optional PTO (Power Take-Off) for operating external equipment.
    • Various seating materials and configurations.
    • Driver-friendly instrument clusters and ergonomically placed controls.

2019 International DuraStar 4300 Specifications

Vehicle Information
Year 2019
Make International
Model DuraStar 4300
Trim -
Style -
Type Truck
Category Heavy Truck Ma025
Manufacturing Details
Made In Mexico
Manufacturing City SPRINGFIELD
Dimensions
Doors roll up
Curb Weight -
Gross Vehicle Weight Rating 33000 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 7.6L L6 DIESEL
Engine Size 7.6L
Engine Cylinders 6
Transmission Automatic
Transmission Type Automatic
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 2019 International DuraStar 4300 Have?

For the 2019 International DuraStar 4300, like many modern diesel medium-duty trucks, frequently reported problems often revolve around emissions control systems. Issues with the Diesel Particulate Filter (DPF) and Exhaust Gas Recirculation (EGR) valve are common, potentially leading to reduced power, diagnostic trouble codes, and increased maintenance costs if not properly managed or if low-quality fuel/def is used. These systems are critical for meeting environmental regulations but can be finicky. Owners might report sensors malfunctioning within these systems or frequent regeneration cycles.

Electrical issues, while not rampant, can occasionally surface, ranging from minor glitches in dashboard displays to more significant wiring harness problems. Air conditioning system failures, such as refrigerant leaks or compressor issues, are also sometimes cited, particularly as vehicles age or accrue heavy usage. Brake system components, including air leaks in air brake systems or wear on hydraulic brake lines, are typical maintenance points that owners should diligently monitor.

Recalls specific to the 2019 International DuraStar 4300 and related models have occurred. For example, some recalls have addressed issues with brake system components, such as brake fluid reservoir caps potentially not sealing correctly, leading to fluid loss and reduced braking. Other recalls have focused on steering components or certain electrical modules that could cause issues. It is always crucial for prospective buyers to check the NHTSA website using the specific VIN for any outstanding recalls.

Long-term reliability concerns often center on the longevity of these complex emissions systems beyond warranty periods, which can lead to expensive repairs. While the Cummins B6.7 engine itself is generally very durable, the ancillary components around it, especially those related to emissions, require consistent and proper maintenance. Frame rust can become a concern in regions with heavy road salt usage, potentially compromising structural integrity over extended periods if not addressed. The overall long-term reliability of the DuraStar series is generally considered strong for a commercial vehicle, provided a strict maintenance schedule is adhered to and preventative measures are taken for known common issues.

How long will the 2019 International DuraStar 4300 last?

The 2019 International DuraStar 4300, when maintained diligently, is built for extensive service life. Average mileage can easily exceed 300,000 to 500,000 miles for the engine and drivetrain, with many units running for 15-20 years or more in vocational fleets. Longevity heavily depends on preventative maintenance, including regular oil changes, filter replacements, and prompt attention to diagnostic codes. Over time, weaknesses can emerge in emissions components (DPF, EGR), requiring costly replacements. Rust on the chassis, cab corners, and suspension components is a common long-term durability concern, especially in harsher climates. Interior wear, like seat deterioration and dashboard cracking, is also expected with high usage. However, the core mechanical components, particularly the Cummins engine and Allison transmission, generally prove to be exceptionally durable.

What Technology & Safety Features are Included?

The 2019 International DuraStar 4300 focuses on functional utility rather than high-end consumer technology, reflecting its role as a work vehicle. Built-in technology primarily includes a basic AM/FM radio, often with auxiliary input for external devices. Some models may feature a CD player or USB connectivity as optional upgrades. The driver information display in the instrument cluster provides essential operational data, such as fuel levels, DEF levels, engine hours, and diagnostic messages. Bluetooth connectivity for hands-free calling was an available option, enhancing communication capabilities.

Entertainment features are minimal, typically limited to the radio system. There are no sophisticated infotainment screens or multi-zone climate control systems found in passenger vehicles. The emphasis is on durability and ease of use in a demanding work environment.

Driver-assistance and safety features for the 2019 DuraStar 4300 were more rudimentary compared to modern passenger cars. Standard safety typically included anti-lock brakes (ABS), traction control, and electronic stability control (ESC). Airbags were generally limited to driver and sometimes passenger front airbags. More advanced driver-assistance systems like adaptive cruise control, lane-keeping assist, or automatic emergency braking were largely absent or only beginning to be introduced as very high-cost options in the commercial truck segment, not commonly found on the 2019 DuraStar 4300. Visibility is generally excellent due to large windows and robust mirrors, often with power and heated options.

Crash-test ratings from organizations like the NHTSA or IIHS are not conducted for commercial medium-duty trucks like the DuraStar. Their safety standards are governed by different regulations focusing on commercial vehicle construction and equipment rather than consumer-style impact testing. Safety is built into the robust frame and cab structure, designed to withstand the rigors of commercial use and protect occupants in the event of an incident.

What Colors Options are Available?

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2019 International DuraStar 4300 Prices and Market Value

When new, a 2019 International DuraStar 4300 chassis-cab typically ranged from $60,000 to over $90,000, not including the specialized body upfit (which could add another $20,000 to $100,000+). Current used market prices for a 2019 model vary significantly based on mileage, condition, engine, transmission, and most importantly, the type and condition of the vocational body. A well-maintained unit with a desirable body might fetch $40,000 to $70,000+, while higher-mileage or specialized units could be less. Depreciation is significant in the first few years but then slows down considerably for these workhorses, as their utility maintains a baseline value. Factors affecting resale value include the overall mechanical condition, hours of operation, presence of rust, upfit utility (e.g., dump, reefer, utility body), and service records. Clean, well-documented trucks with popular upfits hold their value best.

2019 International DuraStar 4300 Cost of Ownership

Ownership of a 2019 International DuraStar 4300 is inherently costly due to its commercial nature. Insurance is typically higher than consumer vehicles, depending on the application and business. Fuel costs are substantial, with diesel consumption ranging from 6-10 MPG under load. Maintenance, including oil changes, filter replacements (fuel, air, DPF), and tire wear, is frequent and expensive due to heavy-duty components. Repairs, especially for emissions systems (EGR, DPF) or major drivetrain components, can be thousands of dollars. While initial purchase prices might seem reasonable for its capabilities, the DuraStar is definitely a costly vehicle to own long-term, requiring significant operational budgets, but it offers excellent value for businesses where reliability and heavy-duty performance are paramount.

2019 International DuraStar 4300 Fuel Efficiency

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

2019 International DuraStar 4300 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

2019 International DuraStar 4300 Insurance

Insurance for a 2019 International DuraStar 4300 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2019 International DuraStar 4300 Compare to Other Truck?

The 2019 International DuraStar 4300 competes fiercely in the Class 6/7 medium-duty segment against prominent rivals like the Freightliner M2 106, Ford F-650/F-750, and Kenworth T270/T370.

In terms of Performance, the DuraStar 4300's primary Cummins B6.7 engine is a strong contender, offering comparable horsepower and torque to the Cummins B6.7 found in some Freightliner M2s and Ford F-650s, or the PACCAR PX-7 in Kenworths. All provide ample power for vocational tasks. Its Allison automatic transmission options are industry standards, matching rivals in smooth power delivery and durability.

Regarding Features, the DuraStar offers a functional, work-oriented cab. While perhaps not as aesthetically modern as some Freightliner M2 configurations that might boast slightly more ergonomic or customizable interiors, the DuraStar provides solid utility. Driver-assist technologies are relatively basic across all these medium-duty platforms for the 2019 model year, focusing on ABS and ESC. Comfort features like advanced infotainment or plush seating are optional and similar in scope across the segment.

Reliability is a strong suit for the DuraStar, largely owing to its Cummins engine and robust chassis. It stands on par with the Freightliner M2 106 and Kenworth T270/T370, all known for their longevity and commercial-grade durability. Ford's F-650/F-750, also using Cummins engines, shares a similar reputation. Common reliability concerns often revolve around the complexity of emissions systems across all brands, rather than fundamental engine or chassis failures.

Price-wise, the DuraStar is competitively positioned. New chassis prices typically aligned closely with the Freightliner M2 and Kenworth T270/T370, often slightly above the Ford F-650/F-750, but final costs are heavily dictated by customization and upfitting. Used market values are generally strong for all these rivals, as demand for reliable medium-duty trucks remains consistent.

For alternatives, the Freightliner M2 106 is arguably its closest and strongest competitor, offering very similar specs, engine options, and a vast dealer network. The Kenworth T270/T370 offers a premium feel and strong resale, while the Ford F-650/F-750 provides a familiar "pickup truck" feel in a larger package, sometimes with a slightly lower entry price point. All are excellent alternatives, and the "better" choice often comes down to specific dealer support, preferred engine manufacturer, body builder integration, and operator preference.

Final Verdict: Is the 2019 International DuraStar 4300 a Good Truck?

The 2019 International DuraStar 4300 is ideal for businesses and municipalities requiring a highly adaptable, robust, medium-duty vocational truck. It's perfect for applications like utility service, delivery, refuse collection, or construction, where durability and a strong powertrain are non-negotiable.

It is absolutely worth buying, especially as a used vehicle. Opting for a used 2019 model allows significant savings over new while still getting a relatively modern and reliable platform. Look for units with comprehensive maintenance records and a desirable body upfit that matches your operational needs. Specific "trims" aren't relevant; instead, focus on the engine (Cummins B6.7 is excellent), transmission (Allison automatic for ease of operation), and specific GVWR and wheelbase that suit your application. Conditions like a well-maintained emissions system and minimal rust are crucial. While ownership costs are high, its long-term reliability and adaptability make it a sound investment for fleet operators prioritizing uptime and versatility.

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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.