Introduction: A Trusted Workhorse for Every Era The Mazda Titan has been a mainstay in Japan’s medium-duty truck segment for over four decades.From construction sites and delivery fleets to agricultural cooperatives, the Titan has earned a reputation for durability, simplicity, and cost-effectiveness. But how has it changed from the 1990s models to the modern variants seen today? Let’s explore the Titan’s evolution through performance upgrades, safety improvements, emission compliance, and usability enhancements. 
1. Engine Performance and Fuel Efficiency 
1990s Titan Engines: 2.5L to 4.6L mechanical diesel (e.g., RF, SL, WL, HA series) Fuel System: Mechanical injection Emissions: ...