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Estimated Hourly Fuel Consumption
323D (Tier 3)
Liters (U.S. gal)
Low = 6.5-12.5 (1.7-3.3)
Medium = 12.5-18.5 (3.3-4.9)
High = 18.5-24.8 (4.9-6.6)
Typical Application Description
(relative to work application)
Low = Mostly shallow depth urban utility construction where excavator sets pipe and digs less than 50%
of the daily work schedule. Sandy loam, free flowing, low density material. Most scrap handling
applications. Little traveling and little or no impact.
Medium = Most residential sewer applications. Continuous mass excavation and trenching in natural bed clay
soils. Digging 60-85% of the daily work schedule. Most log loading applications. Some traveling
and steady, full throttle operation.
High = Continuous trenching or truck loading in rock or shot rock soils. Most pipeline applications in hard
rocky material. Digging 90-95% of the daily work schedule. Large amount of travel over rough
ground. Working on rock floor with constant high load factor and high impact.
Load Factor Guide
(average engine load factor based on application description for each range)
Low 20%-40%
Medium 40%-60%
High 60%-80%
United States / Canada
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