Demand Information - Demand Detroit®

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Variable Speed Water Pump: Designed for Efficiency
First and foremost, the Variable Speed Water Pump reduces parasitic power losses, thereby increasing fuel economy. It features a viscous clutch between the pulley and impeller drive, allowing the engine to command reduced impeller speed when other engine conditions allow it. Read More
The New DD15®: Redefining the Road
The new DD15 is redefining the road. Our engineers re-examined then re-designed many features of the DD15 to reach this new standard. Open the hood of the Freightliner Cascadia Evolution truck and you’ll find an engine that delivers amazing performance, durability, and reliability. Read More
Demand it All Again With the DT12™ Transmission
The DT12 is currently available with all Cascadia Evolution running the DD15® engine and is soon to be available in Cascadia’s with the DD13® Engine. This engine and transmission combo is special because, being built by the same manufacturer under the same roof, their electronics speak to each other. Read More
HDE Assembly Line: The Heartbeat of Detroit
The HDE Assembly Line builds quality into every engine that bears the Detroit name. With best-in-class fuel economy and low-cost maintenance and service, our engines perform for a million miles and then some. Read More
Hot Testing Detroit™ Engines to Ensure Peak Performance
The Performance Hot Test, which is actually a series of tests, is performed while the engine is running and is the only truly effective way to verify horsepower, pressures, temperatures, turbo speed and vibration as well as the performance of the air, oil and coolant systems. Read More
The Pilot Center: Where Real World Testing Begins
The Pilot Center is where real world testing of engines, hardware and aftertreatment systems take place—on the road, in every operating cycle and under every conceivable condition. Read More
Testing & Validating Products in the Engineering Lab
The Engineering Lab is broken up into different sections. In the Assembly Room, our team builds test engines, measures and puts instrumentation on parts, and whatever else is required by engineering to prepare for testing. Read More
Diesel Fuel Injection: Innovating to Boost Fuel Economy
Now more than ever, Detroit’s Amplified Common Rail Fuel System (ACRS®) improves performance by cutting emissions without draining fuel mileage or power. It improves throttle response while helping to lower emissions, noise, vibrations and fuel consumption. Read More
Demand Detroit: Reason to Celebrate
To recognize our 75th Anniversary, we’re celebrating across our company with Detroit™ Day. We kicked off our celebration at the Mid-America Trucking Show in March... Read More
Detroit™ Rear Axles: Designed for Long Roads
An integrated one-piece differential eliminates the need for a head bearing, allowing for a larger main differential and greater stability and durability. Read More
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