Operator's Manual

MaximumMaterialDensityat
Capacity
Thedensityofthematerialsmovedbythebucket
variesand,therefore,sodoestheamountofmaterial
thatthebucketcancarrybeforereachingthe
maximumloadrating.Therst2tablesliststhe
densityofmaterialthatcanbecarried,bothheaped
andstruck(i.e.,leveledoff),inthebucket.The
MaterialDensitytablelistscommonmaterialsand
theirdensities.
Model22546—High-VolumeBucket
BucketCapacity
Maximum
Density—Loader
armsretracted
Maximum
Density—Loader
armsextended
910kg/m
3
441kg/m
3
Heapedbucket
(57lb/ft
3
)(28lb/ft
3
)
1105kg/m
3
536kg/m
3
Struck(leveled)
bucket
(69lb/ft
3
)(33lb/ft
3
)
Model22547—StandardBucket
BucketCapacity
Maximum
Density—Loader
armsretracted
Maximum
Density—Loader
armsextended
1922kg/m
3
881kg/m
3
Heapedbucket
(120lb/ft
3
)(55lb/ft
3
)
2419kg/m
3
1121kg/m
3
Struck(leveled)
bucket
(151lb/ft
3
)(70lb/ft
3
)
Model22548—GradingBucket
BucketCapacity
Maximum
Density—Loader
armsretracted
Maximum
Density—Loader
armsextended
2280kg/m
3
1010kg/m
3
Heapedbucket
(142lb/ft
3
)(63lb/ft
3
)
3186kg/m
3
1412kg/m
3
Struck(leveled)
bucket
(199lb/ft
3
)(88lb/ft
3
)
Model22576—StandardBucket
BucketCapacity
Maximum
Density—Loader
armsretracted
Maximum
Density—Loader
armsextended
1970kg/m
3
913kg/m
3
Heapedbucket
(123lb/ft
3
)(57lb/ft
3
)
2499kg/m
3
1,153kg/m
3
Struck(leveled)
bucket
(156lb/ft
3
)(72lb/ft
3
)
MaterialDensity
Material
Density(Approximate)
Caliche1250kg/m
3
(78lb/ft
3
)
Clay:
Naturalbed
1600kg/m
3
(104lb/ft
3
)
Dry
1480kg/m
3
(93lb/ft
3
)
Wet
1660kg/m
3
(104lb/ft
3
)
Withgravel,dry
1420kg/m
3
(89lb/ft
3
)
Withgravel,wet
1540kg/m
3
(96lb/ft
3
)
Coal:
Anthracite,broken
1100kg/m
3
(69lb/ft
3
)
Bituminous,broken
830kg/m
3
(52lb/ft
3
)
Earth:
Dry,packed
1510kg/m
3
(94lb/ft
3
)
Wet,packed
1600kg/m
3
(100lb/ft
3
)
Loam
1250kg/m
3
(78lb/ft
3
)
Granite,brokenorlarge
crushed
1660kg/m
3
(104lb/ft
3
)
Gravel:
Dry
1510kg/m
3
(94lb/ft
3
)
Pitrun(graveledsand)1930kg/m
3
(120lb/ft
3
)
Dry,13to51mm(1/2to2
inch)
1690kg/m
3
(106lb/ft
3
)
Wet,13to51mm(1/2to2
inch)
2020kg/m
3
(126lb/ft
3
)
Limestone,brokenorcrushed
1540kg/m
3
(96lb/ft
3
)
Sand:
Dry
1420kg/m
3
(89lb/ft
3
)
Wet
1840kg/m
3
(115lb/ft
3
)
Withgravel,dry
1720kg/m
3
(107lb/ft
3
)
Withgravel,wet
2020kg/m
3
(126lb/ft
3
)
Sandstone,broken1510kg/m
3
(94lb/ft
3
)
Shale1250kg/m
3
(78lb/ft
3
)
Slag,broken1750kg/m
3
(109lb/ft
3
)
Stone,crushed1600kg/m
3
(100lb/ft
3
)
Topsoil
950kg/m
3
(59lb/ft
3
)
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