Caterpillar Performance Handbook, January 2017, SEBD0351-47

Performance Data ● 257D

Multi Terrain Loaders

BucketType BucketWidth

General Purpose: Bolt-on Edge

Multi-Purpose: Bolt-on Edge

1680 mm (66") Bolt-on Edge

1830 mm (72") Bolt-on Edge

1680 mm (66") Bolt-on Edge

1830 mm (72") Bolt-on Edge

Ground EngagingType Bucket Assembly No. Rated bucket capacity

279-5369

279-5373

279-5391

279-5399

0.40 0.52 0.29 0.38 1740 68.5 2190 86.2 85.9 2854 112.3 3064 120.6 3979 156.7 1441 –20 –0.8 3555 140.0 2257 711 28.0 –53.4 56.7 23.8

0.44 0.58 0.31 0.41 1893 74.5 2188 86.2 712 28.0 –53.4 85.8 2853 112.3 3063 120.6 3978 156.6 1442 –21 –0.8 3555 140.0 2288 56.8 23.8

0.34 0.44 0.25 0.33 1749 68.9 2174 85.6 722 28.4 –53.7 85.6 2844 112.0 3057 120.4 3978 156.6 1454

0.37 0.48 0.26 0.34 1902 74.9 2172 85.5 723 28.5 –53.7 85.5 2843 111.9 3056 120.3 3977 156.6 1455

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

57.2 23.8 –29 –1.2

57.3 23.8 –30 –1.2

Maximum floor angle at minimum lift

degrees

Dig depth with level bucket

mm

in

Overall length with bucket on ground

3561 140.2 2260

3560 140.2 2291

mm

in

Front clearance circle radius (with bucket)

mm

in

88.9

90.1

89.0

90.2

Tipping load

2365.9

2349.0

2211.5

2189.6

kg

lb

5216

5179

4876

4827

Breakout force — lift

1994.8

1981.6

1885.8

1867.4

kg

lb

4398

4369

4157

4117

Breakout force — tilt

2033.4

2024.3

1972.5

1962.9

kg

lb

4483

4463

4348

4327

Operating weight

3693.0

3708.5

3826.4

3849.2

kg

lb

8142

8176

8436

8486

15

Edition 47 15-49