Gradeability/speed/rimpull, Rimpull, Speed – Milton CAT 770 User Manual

Page 26

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26

770 Off-Highway Truck specifications

0

5

10

15

20

25

30

35

40

45

0

10

20

30

40

50

60

Rimpull

kg x
1000

lb x
1000

km/h

mph

kg x 1000

L

E

To

tal Resista

nce

(Grade Plus Rollin

g)

Gross Weight

lb x 1000

25%

5%

10%

15%

20%

30%

Speed

0

50

100

150

0

10

20

30

40

50

60

70

80

0

10

20

30

40

50

60

70

80

5

15

25

35

45

55

65

75

0

5

10

15

20

25

30

1A

2

3

4

5

6

7

1B

To determine gradeability performance: Read from gross
weight down to the percent of total resistance. Total resistance
equals actual percent grade plus 1% for each 10 kg/t (20 lb/ton)
of rolling resistance. From this weight-resistance point, read

horizontally to the curve with the highest obtainable gear, then
down to maximum speed. Usable rimpull will depend upon
traction available and weight on drive wheels.

Gradeability/Speed/Rimpull

Direct Drive
Torque Converter Drive

E – Typical Field Empty Weight
L – Target Gross Machine Operating Weight 71 214 kg (157,000 lb )

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