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Navistar MaxxForce DT 9 User Manual

Navistar MaxxForce DT 9
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SECTION 5 MAINTENANCE SCHEDULE AND SERVICE PROCEDURES
Service Procedures (cont.)
ENGINE OIL AND FILTER
WARNING: To prevent personal injury or death, wear
safety glasses and avoid moving components such as fans,
pulleys, and belts when taking an engine oil sample.
Engine oil sampling can be utilized for the follo wing:
Engine Oil Sampling - Optional
1. Determine oil change interval based upon fuel
consumption and specic engine a pplication.
2. Catch contaminates which, if left unattended, may result
in engine failure.
Service Interval (based upon fuel consumption and specic
engine application) :
If > 8.5 m iles pe r gallon of fuel:
See charts for specic engine family and servic e interval.
If 4.5 to 8.5 miles per gallon of fuel:
See charts for specic engine family and servic e interval.
If < 4.5 m iles pe r gallon of fuel:
See charts for specic engine family and servic e interval.
CAUTION: To prevent engine damage , do not extend
recommended oil change intervals.
MaxxForce® DT Diesel Engine With Less Than or Equal to
230 Horsepower (Without Centrifuge Filter)
Average Vehicle Speed
<48 kmpl
(<
30 mph)
>48kmpl
(>30mph)
>8.5 825 hours
40234 k m
(25,000 mi les)
4.5 t o 8.5 700 hours See Figure 30
Fuel Economy
(mpg)
<4.5 600 hours
16093 k m
(10,000 mi les)
Form No. 1172040R1
Printed in the United States of America Page 69

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Navistar MaxxForce DT 9 Specifications

General IconGeneral
BrandNavistar
ModelMaxxForce DT 9
CategoryEngine
LanguageEnglish

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