Caterpillar Performance Handbook, January 2017, SEBD0351-47

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Roof Support Carriers ● % Grade vs. Speed — Loaded

Longwall

20

SH640/SH640B % GRADE vs. SPEED — LOADED

30

25

20

1st 2nd 3rd 4th

15

10

% GRADE

5

0

0 0

3.10

6.21

9.32

12.43

15.53

mph km/h

5

10

15

20

25

SPEED

SH660/SH660B % GRADE vs. SPEED — LOADED

30

25

20

1st 2nd 3rd 4th

15

10

% GRADE

5

0

0 0

3.10

6.21

9.32

12.43

15.53

mph km/h

5

10

15

20

25

SPEED

Edition 47 20-119

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