Caterpillar Performance Handbook, January 2017, SEBD0351-47

Curl and Crowd Forces

Hydraulic Excavators

Stick Crowd Forces

BucketTip Radius mm ft

Bucket Curling Forces

Model

Source

Short

Medium

Long

Extra Long kN lb

kN lb

kN lb

kN lb

kN lb

Austria 443 Austria 500 Austria 500 Austria 500 Austria — Austria 650 Austria 650 Japan 711 Japan 711

8.9 15.4 18.8 14.2 19.6 21.8 22.5 28.4

— —

— — — — — —

4.5 7.1 9.8 7.3 11.0 13.3 13.6

— — — — — — — — — —

300.9D 301.4C 301.7D

1'5" 1'7" 1'7" 1'7" 2'2" 2'1" 2'4" 2'4" 2'4" —

2000 3462 4226 3190 4406 4900 5058 6385 7420 7420

— —

— — — — — —

1011 1596 2203 1640 2473 2990 3057

— — — — — — — — — —

11.2 8.4 12.6 15.0

2518 1890 2810 3372

301.7D CR

302.2D 302.4D

— — — —

15.4 16.6 18.9 18.9

302.7D CR

— — — —

3462 3732 4250 4250

—

303E CR

—

33 33

16.9 16.9

303.5E CR 303.5E2 CR

3799 3799

United States United States United States United States United States

711

7

711

37.8

—

21.6

19.5

—

304E2 CR

2'4"

8500

—

4860

4385

—

711

37.8

—

21.6

19.5

—

304.5E2 XTC

2'4"

8500

—

4860

4385

—

786

44.7

—

24.7

21.3

—

305E2 CR

2'7"

10,049

—

5553

4788

—

786

50.9

—

28.9

24.8

—

305.5E2 CR

2'7"

11,443

—

6497

5575

—

China 1014

50.6

— —

37.1

— —

— —

3'4" 3'3"

11,375 13,489

— —

8340 8768

— —

— —

307E2

308E2 CR SB United States

1014

60

39

United States

1014

60

—

39

—

—

308E2VAB

3'3"

13,489

—

8768

—

—

Japan 1220 Japan 1220

90 85 96 88 94 85

— — 66 — — —

60 64 62 63 64 64

55 60 59 — 57 60

52 57 — — — 57

311D LRR

4'0" 4'0" 3'3" 4'0" 4'0" 4'0"

20,175 19,100 21,600 19,780 21,120 19,100

— —

13,560 14,400 13,950 14,160 14,380 14,400

12,270 13,500 13,275

11,690 12,800

312D, 312D L

312D, 312D L France 1000

14,850

— — —

Japan 1220 Japan 1220 Japan 1220

313C SR 313C CR 314D CR,

— — —

—

12,810 13,500

12,800

314D LCR

Edition 47 7-187