1-5_-_Detroit_DD8_Brochure.pdf
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- Attached to
- Competitive Selection OH|DOT11825-1
- Contract number
- DOT11825-1
- Issued by
- Ohio
About this file
This document is a technical specification brochure for the Detroit DD8 engine, produced by Detroit Diesel Corporation, a Daimler company. The brochure provides comprehensive technical details about the DD8, a medium-duty inline 6-cylinder engine designed for various vocational applications including trucks, fire and emergency vehicles, and RVs. While not a state or local contract document, it contains detailed specifications, performance characteristics, maintenance intervals, power ratings, and standard warranty information for the engine.
The DD8 engine offers multiple power configurations ranging from 260 HP to 375 HP (with the highest rating reserved for fire, emergency, and RV applications), and torque ranges from 660 to 1050 lb-ft. Key features include a smart fuel-efficient design with an advanced common rail fuel system, variable cam phasing, and compliance with 2017 Greenhouse Gas (GHG17) requirements. The engine provides long maintenance intervals varying by duty type (severe, short-haul, long-haul), with standard warranty coverage of 36 months or 250,000 miles. Maintenance intervals for engine oil, fuel filters, and other components are clearly outlined, and the engine includes features like Detroit Connect Virtual Technician for remote diagnostic services.
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Text version
THE DETROIT DD8 ENGINE
THE MOST ADVANCED ENGINE TECHNOLOGIES ENGINEERED TODAY.
DD8 SPECIFICATIONS
Confi guration . . . . . . . . . . . . . . . . . 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.
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.
DETROIT™
DD8
TECHNICAL SPECIFICATIONS
DEMANDDETROIT.COM
PERFORMANCE
• Simple fi xed-geometry turbo design provides performance and reliability
• 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 fl exibility needed for a variety of vocational applications
• Sturdy rear gear train and ribbed cast-iron 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
ECONOMY
• Smart, fuel-effi cient design makes the most of every gallon
– 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
SERVICEABILITY
• Longest scheduled maintenance intervals in its class
• Oil and fuel fi lters are positioned above the frame rails for easier, faster, and cleaner fi lter changes
• Maintenance-free crankcase breather
• Detroit™ Connect Virtual TechnicianSM remote diagnostic service helps you maximize uptime and productivity cooling reduce fan on time, contributing
Power Ratings
Item
Warranty Limits (Whichever Occurs First)
Repair Charge (Paid by Owner)
Months Miles / Kilometers Parts Labor
Engine 0-36 250,000 mi 400,000 km
No charge No charge
DD8 Engine Power Ratings
260 HP @ 2200 RPM 660 lb-ft @ 1400 RPM
260 HP @ 2200 RPM 720 lb-ft @ 1400 RPM
280 HP @ 2200 RPM 800 lb-ft @ 1400 RPM
300 HP @ 2200 RPM 860 lb-ft @ 1400 RPM
330 HP @ 2200 RPM 1000 lb-ft @ 1400 RPM
350 HP @ 2200 RPM 1050 lb-ft @ 1400 RPM
375 HP* @ 2200 RPM 1050 lb-ft* @ 1400 RPM
*Fire & Emergency and RV only.
Standard Warranty
TECHNICAL SPECIFICATIONS
1-800-445-1980 • DEMANDDETROIT.COM
Maintenance Intervals
DDC-EMC-FLY-0095-1217. Specifi cations are subject to change without notice. Detroit Diesel Corporation is registered to ISO 9001:2008.
Copyright © 2017 Detroit Diesel Corporation. All rights reserved. Detroit™ is a brand of Detroit Diesel Corporation, a Daimler company.
* Maintenance intervals using Detroit Fluids Specifi cation 93K222 (CK-4) or 93K223 (FA-4) approved oils.
Severe duty averages less than 6.5 miles per gallon (mpg) and operates under severe conditions.
Short-haul is up to 60,000 annual miles (96,000 kilometers) and averages between 6.5 and 8.5 mpg.
Long-haul is over 60,000 annual miles (96,000 kilometers) and averages greater than 8.5 mpg.
† Miles/Kilometers or time, whichever occurs fi rst.
Item Mi/km/Hr† Severe Duty Short-Haul Long-Haul
Engine Oil and Filter Change*
Miles 45,000 55,000 60,000
Kilometers 72,000 88,000 96,000
Hours 1500 1800 2000 Months 12 18 –
Fuel Filter Change
Miles 45,000 55,000 60,000
Kilometers 72,000 88,000 96,000
Hours 1500 1800 2000 Months 12 18 –
Valve Lash Adjustment
Miles 90,000 110,000 120,000
Kilometers 145,000 177,000 193,900
Hours 3000 3600 4000 Months 24 36 –
Diesel Particulate Filter
A check-engine light will illuminate when ash requires removal.
Normal DPF ash clean interval is every:
Miles 150,000
Kilometers 241,000
Hours 5000
DEF Pump Filter Replace every 3 years or 500,000 miles (805,000 km) (10,000 hrs.)
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