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Wheel Skidders
Typical Application Description
(relative to work application)
Low
Intermittent skidding for short distances, no decking. Good underfoot conditions; dry floor,
few if any stumps, flat/level terrain with low skidding resistance.
Medium Continuous turning, steady skidding for medium distances with moderate decking. Good
underfoot conditions; dry floor with few stumps, gradual rolling/moderate terrain with
medium skidding resistance.
High
Continuous turning, steady skidding for long distances with frequent decking. Poor underfoot
conditions; wet floor, numerous stumps, steep terrain with high skidding resistance.
Load Factor Guide — 517
Low
Skidding loads less than 4536 kg
(10,000 lb)
in flat terrain (0-8% grade) with low skidding
resistance.
Medium Skidding loads up to 4536 kg
(10,000 lb)
in moderate terrain (8-30% grade) with medium
skidding resistance.
High
Skidding loads over 4536 kg
(10,000 lb)
in steep terrain (over 30% grade) with high skidding
resistance.
Load Factor Guide — D SeriesWSK
Low
Skidding loads less than 6350 kg
(14,000 lb)
in flat terrain (0-5% grade) with low skidding
resistance.
Medium Skidding loads up to 7257 kg
(16,000 lb)
in moderate terrain (5-10% grade) with average
skidding resistance
High
Skidding loads over 8165 kg
(18,000 lb)
in steep terrain (over 10% grade) with high skidding
resistance.
Load Factor Guide — 527
Low
Skidding loads less than 6360 kg
(14,000 lb)
in flat terrain (0-8% grade) with low skidding
resistance.
Medium Skidding loads up to 6360 kg
(14,000 lb)
in moderate terrain (8-30% grade) with medium
skidding resistance.
High
Skidding loads over 6360 kg
(14,000 lb)
in steep terrain (over 30% grade) with high skidding
resistance.
Forest Machines
Typical Application Description
(relative to work application)
Low
Millyard application, log loader or processing application in best underfoot conditions. Flat
ground, uniform cut processed lengths 12 m
(40 feet)
, or shorter.
Medium Light to medium shovel, log loader or processing application in better underfoot conditions.
Medium slopes and trees 500 mm
(20 inches)
or medium size full trees.
High
Heavy shovel logging in poor underfoot conditions or steep terrain and heavy duty process-
ing applications. Multiple large full trees with DBH of 635 mm
(25 inches)
or larger.
Load Factor Guide
(average engine load factor based on application description for each range)
Low
25%-45%
Medium 45%-65%
High
65%-85%
Edition 47 25-25
Owning & Operating Costs
Hourly Fuel ConsumptionTables
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Forest Products
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