DETROIT™ DD8™
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TECHNICAL SPECIFICATIONS THE DETROIT DD8 ENGINE THE MOST ADVANCED ENGINE TECHNOLOGIES ENGINEERED TODAY. The latest addition to our new lineup of medium-duty engines provides the versatility you demand along with the efficiency and durability you’ve come to expect from Detroit. PERFORMANCE • Simple fixed-geometry turbo design provides performance and reliability • Smart, fuel-efficient design makes the most of every gallon • Longest scheduled maintenance intervals in its class • Robust design for an impressive B10 life of 400,000 miles • Integrated engine brake option provides superior braking horsepower to extend service brake life • Rear Engine Power Take-Off (REPTO) and Front Engine Power Take-Off (FEPTO) capability provide the flexibility needed for a variety of vocational applications • Sturdy rear gear train and ribbed castiron block minimize noise vibration harshness (NVH) POWER • Usable power and torque reached at lower engine speeds—ideal for the demands of today’s medium-duty truck COMPLIANCE • The DD8 is compliant with 2017 Greenhouse Gas (GHG17) requirements • 2016 On-Board Diagnostics (OBD) certified – Advanced common rail fuel system optimizes each injection event to minimize fuel consumption – Piston and cylinder design reduces friction and provides optimal combustion control – Variable cam phasing technology for improved aftertreatment system performance – Variable-speed fan and advanced cooling reduce fan on time, contributing to reduced fuel consumption DD8 SPECIFICATIONS Configuration . . . . . . . . . . . . . . . . . Inline 6 Cylinder Displacement . . . . . . . . . . . . . . . . . 470 cu. in. (7.7 L) Compression Ratio . . . . . . . . . . . . 17.6:1 Bore . . . . . . . . . . . . . . . . . . . . . . . . . 4.33 in. (110 mm) Stroke. . . . . . . . . . . . . . . . . . . . . . . . 5.3 in. (135 mm) Weight (Dry) . . . . . . . . . . . . . . . . . . 1437 lb. (652 kg.) Electronics . . . . . . . . . . . . . . . . . . . DDEC ® Service Fill (Oil & Filter Change) . . 26.9 qt. (25.5 L) Horsepower Range . . . . . . . . . . . . 260-375* Torque Range . . . . . . . . . . . . . . . . . 660-1050 *375 HP Fire & Emergency and RV only. • Oil and fuel filters are positioned above the frame rails for easier, faster, and cleaner filter changes • Maintenance-free crankcase breather • Detroit™ Connect Virtual Technician remote diagn

TECHNICAL SPECIFICATIONS Maintenance Intervals Item Engine Oil and Filter Change* Fuel Filter Change Valve Lash Adjustment Diesel Particulate Filter Power Ratings Severe Duty Miles Kilometers Hours Months Miles Kilometers Hours Months Miles Kilometers Hours Months A check-engine light will illuminate when ash requires removal. Normal DPF ash clean interval is every: Miles † Miles/Kilometers or time, whichever occurs first. 1-800-445-1980 • DEMANDDETROIT.COM DDC-EMC-FLY-0095-1217. Specifications are subject to change without notice. Detroit Diesel Corporation is registered to ISO 9001:2008....