Caterpillar Performance Handbook, January 2017, SEBD0351-47
Performance Data ● 257D
Multi Terrain Loaders
BucketType BucketWidth
Dirt: Bolt-on Edge
1680 mm (66") Bolt-on Edge
1830 mm (72") Bolt-on Edge
Ground EngagingType Bucket Assembly No. Rated bucket capacity
279-5441
285-6090
0.37 0.48 0.27 0.35 1740 68.5 2235 88.0 679 26.7 –53.3 85.9 2857 112.5 3065 120.7 3928 154.7 1387 –17 –0.7 3502 137.9 2211 54.6 23.8
0.41 0.54 0.30 0.39 1893 74.5 2234 88.0 681 26.8 –53.4 85.9 2856 112.5 3064 120.6 3927 154.6 1388 –17 –0.7 3502 137.9 2242 88.3 54.6 23.8
m 3 yd 3 m 3 yd 3
Struck capacity
Width
mm
in
Dump clearance at maximum lift/dump
mm
in
Reach at maximum lift/dump
mm
in
Floor angle at maximum lift/dump Floor angle at maximum lift/rack back Clearance at maximum lift/level bucket
degrees degrees
mm
in
Hinge pin height at maximum lift
mm
in
Maximum overall height
mm
in
Reach at level lift arm/bucket
mm
in
Maximum floor angle at minimum lift
degrees
Dig depth with level bucket
mm
in
Overall length with bucket on ground
mm
in
Front clearance circle radius (with bucket)
mm
in
87.0
Tipping load
2449.3
2433.4
kg
lb
5400
5365
Breakout force — lift
2048.5
2034.6
kg
lb
4516
4485
Breakout force — tilt
2182.4
2172.7
kg
lb
4811
4790
Operating weight
3670.3
3686.4
kg
lb
8092
8127
15-50 Edition 47
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