Cat Articulated Truck 725 User Manual download pdf (Page 15)

15

725 Articulated Truck specifications

10

SPEED

GROSS WEIGHT

TOTAL RESISTANCE %

0 5 15 20 25 30 35

60

50

40

30

20

10

0

0102030

40

50 60

30

25

20

40%

35%

30%

25%

20%

15%

10%

5%

0

km/h

mph

15

10

5

0

lb x 1000

kg x 1000

lb x 1000

kg x 1000

20 40 60 80 100 120

0

5 10 15 20 25 30 35 40 45 50 55

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*

RIMPULL

(GRADE PLUS ROLLING RESISTANCE)

1A — 1st Gear

(Converter Drive)

1B — 1st Gear

(Direct Drive)

2 — 2nd Gear

E — Empty 22 260 kg (49,075 lb)

L — Loaded 45 850 kg (101,082 lb)

* at sea level

3 — 3rd Gear

4 — 4th Gear

5 — 5th Gear

6 — 6th Gear

1A

1B

2

3

4

5

6

E

L

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.

SPEED

% EFFECTIVE GRADE (FAVORABLE)

1 — 1st Gear

2 — 2nd Gear

3 — 3rd Gear

E — Empty 22 260 kg (49,075 lb)

L — Loaded 45 850 kg (101,082 lb)

4 — 4th Gear

5 — 5th Gear

6 — 6th Gear

1

2

3

4

5

6

E

L

510152025303540

0 102030405060km/h

mph

40%

35%

30%

25%

20%

15%

10%

5%

lb x 1000

kg x 1000

200

0

12010080

6040

10 20 30

40

50

1 2 ... 10 11 12 13 14 15 16 17 18 19 20

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