Material Densities
The table at the right lists densities for some common
materials which could be carried in a bucket. The
densities listed are average values and intended only as a
guide for bucket selection. For a material that is not in
the table, obtain its density value before selecting the
appropriate bucket.
To prevent exceeding the operating load of the loader,
use the Table of Common Materials and Densities to
determine the proper size bucket to use based on the type
of material to be carried.
SAE Rated Operating Load
Model lbs kg
SL4635 1425 646
SL4835 1625 737
To use the table, find the material name and see what its
maximum density is. Then, divide the operating load of
the loader by the material density to determine the
maximum size bucket to use for a heaped load.
NOTE: Where the material density is listed as a
range (clay at 80-100 lb/ft
3
, for example), always
use the maximum density (100 lb/ft
3
in this
example) for making calculations. Also, see the
following examples.
Example 1: If clay (density of 80-100 lb/ft3) is to be
hauled using an SL4635 loader, the maximum bucket
size is (1425 lb 100 lb/ft
3
= 14.2 ft
3
). Therefore, you
could safely use a bucket that has a capacity of 14.2
cubic feet or less.
Example 2: If concrete (density of 1840 kg/m3) is to be
hauled using an SL4835 loader, the maximum bucket
size is (737 kg 1840 kg/m
3
= 0 .40 m
3
). Therefore, you
could safely use a bucket that has a capacity of 0.40
cubic meters or less.
CAUTION
NEVER exceed the rated operating load of the
loader as shown on the capacity decal.
Table of Common Materials and Densities
Material
Density
(lb/ft
3
) (kg/m
3
)
Ashes
35-50 560-800
Brick-common
112 1792
Cement
110 1760
Charcoal
23 368
Clay
80-100 1280-1600
Coal
53-63 848-1008
Concrete
115 1840
Cinders
50 800
Coal-anthracite
94 1504
Coke
30 480
Earth-dry loam
30 480
Earth-wet loam
65 1040
Granite
93-111 1488-1776
Gravel-dry
66 1056
Gravel-wet
90 1440
Gypsum-crushed
115 1840
Iron Ore
145 2320
Lime
60 960
Lime Stone
90 1440
Manure-liquid
65 1040
Manure-solid
45 720
Peat-solid
47 752
Phosphate-granular
90 1440
Potash
68 1088
Quartz-granular
110 1760
Salt-dry
100 1600
Salt-Rock-solid
135 2160
Sand-dry
108 1728
Sand-wet
125 2000
Sand-foundry
95 1520
Shale-crushed
90 1440
Slag-crushed
70 1120
Snow
15-50 240-800
Taconite
107 1712
The Specifications chapter lists the buckets available
and their capacities to help you decide what size bucket
to use. You may always use a smaller-capacity bucket,
but NOT a bucket with greater capacity then the
calculated MAXIMUM unless it is only partially filled.
907808/CP0300 42 PRINTED IN USA
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