Milton CAT 312D L - Manual (Page 15)

15
Buckets
Buckets have tapered sides, angled corner teeth, dual radius curvature, horizontal wear
strips and holes for optional side cutters.
Recommended Maximum Material Density
Width Capacity 2.8 m (9'2") Stick 3.0 m (9'10") Stick
mm in m 3 yd 3 kg/m 3 lb/yd 3 kg/m 3 lb/yd 3
600 24 0.30 0.39 1800 3,000 1800 3,000
750 30 0.40 0.53 1800 3,000 1800 3,000
905 36 0.52 0.68 1800 3,000 1500 2,500
1055 42 0.63 0.82 1500 2,500 1200 2,000
1210 48 0.74 0.97 1500 2,500 1200 2,000
Material Densities
Material
kg/m 3 * lb/yd 3 ** Material kg/m 3 * lb/yd 3 **
Clay, dry 1480 2,500 Gravel, pit run 1930 3,250
Clay, wet 1660 2,800 Rock/dirt, 50% 1720 2,900
Earth, dry 1510 2,550 Sand, dry 1420 2,400
Earth, wet 1600 2,700 Sand, wet 1840 3,100
Loam 1250 2,100 Sand & Clay 1600 2,700
Gravel, dry 1510 2,550 Stone, crushed 1600 2,700
Gravel, wet 2020 3,400 Top soil 950 1,600
* kilograms per loose cubic meter
** pounds per loose cubic yard
For densities of other materials see Caterpillar Performance Handbook.
Undercarriage
Caterpillar designed and built track-type undercarriage.
Track Width Ground Pressure
312D 312D L
500 mm (20") triple grouser 41.8 kPa (6.08 psi) 39.4 kPa (5.71 psi)
600 mm (24") triple grouser 35.5 kPa (5.15 psi) 33.4 kPa (4.86 psi)
700 mm (28") triple grouser 31.0 kPa (4.50 psi) 29.2 kPa (4.25 psi)
770 mm (30") triple grouser 28.5 kPa (4.13 psi) 26.9 kPa (3.90 psi)