Cat Articulated Truck 740 User Manual download pdf (Page 16)

16

740 Articulated Truck specifications

0 5 10 15 20 25 30 35 40 mph

0102030405060

km/h

010203040 506070

0 20 40 60 80 100 120 140 160 lb x 1000

kg x 1000

35%

25%

20%

15%

10%

5%

EL

1

2

3

4

80

180

70

45

5

6

7

30%

0 5 10 15 20 25 30 35

90

75

60

45

30

15

0

0102030

40

50 60

30

25

20

40%

35%

30%

25%

20%

15%

10%

5%

0

km/h

mph

1A

1B

2

3

4

5

6

E

L

15

10

5

0

35

40

45

lb x 1000

kg x 1000

lb x 1000

kg x 1000

20 40 60 80 100 120 140 160

0

10 20 30 40 50 60 70 80

7

Gradeability/Speed/Rimpull

To determine performance, read from

Gross Weight down to % Total Resistance.

Total Resistance equals actual % grade plus

1% for each 10 kg/metric ton (20 lb/ton) of

Rolling Resistance. From this point, read

horizontally to the curve with the highest

attainable speed range. Then, go down to

Maximum Speed. Usable Rimpull depends

on traction available.

GROSS WEIGHT

STANDARD*

SPEED

RIMPULL

TOTAL RESISTANCE %

(GRADE PLUS ROLLING RESISTANCE)

1A — 1st Gear

(Converter Drive)

1B — 1st Gear

(Direct Drive)

2 — 2nd Gear

E — Empty 33 100 kg (72,973 lb)

L — Loaded 72 600 kg (160,055 lb)

* at sea level

3 — 3rd Gear

4 — 4th Gear

5 — 5th Gear

6 — 6th Gear

Retarding Performance

To determine performance, read from

Gross Weight down to % Effective Grade.

Effective Grade equals actual % favorable

grade plus 1% for each 10 kg/metric ton

(20 lb/ton) of Rolling Resistance. From this

point, read horizontally to the curve with

the highest attainable speed range. Then, go

down to Maximum Speed. Retarding effect

on these curves represents full application of

the retarder.

GROSS WEIGHT

SPEED

% EFFECTIVE GRADE (FAVORABLE)

1 — 1st Gear

2 — 2nd Gear

3 — 3rd Gear

4 — 4th Gear

E — Empty 33 100 kg (72,973 lb)

L — Loaded 72 600 kg (160,055 lb)

5 — 5th Gear

6 — 6th Gear

7 — 7th Gear

1 2 ... 11 12 13 14 15 16 17 18 19 20

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