Caterpillar Performance Handbook, January 2017, SEBD0351-47

Ripper Performance ● D8R/D8T

Rippers

D8R/D8T ● Multi- or Single Shank No. 8 Ripper ● Estimated by SeismicWaveVelocities

0

1

3

4

2

Seismic Velocity Meters Per Second × 1000

1

2 3 4

5 6

7 8 9 10 11 12 13 14 15

Feet Per Second × 1000

TOPSOIL CLAY GLACIALTILL IGNEOUS ROCKS GRANITE BASALT TRAP ROCK SEDIMENTARY ROCKS SHALE SANDSTONE BRECCIA CALICHE LIMESTONE METAMORPHIC ROCKS SCHIST SLATE MINERALS and ORES COAL IRON ORE SILTSTONE CLAYSTONE CONGLOMERATE

RIPPABLE

MARGINAL

NON-RIPPABLE

19-76 Edition 47