Caterpillar Performance Handbook, January 2017, SEBD0351-47

Lift and Range Diagram ● 579C Knuckleboom Loader

Processing/Loading Trailer Mount Knuckleboom Loaders

579C Knuckleboom Loader 9.9 m (32'6") Boom

NOTES: Do not attempt to lift or hold any load that is greater than the rated values over the end or side.The weight of the grapple and all lifting accessories must be deducted from lift capaci- ties shown. 1. The over end capacities and over side capacities do not exceed 87% of hydraulic limited capacity or 75% of stability limited capacity. – Stability limited capacities are indicated with an asterisk (*). 2. The lift point is located at the grapple knuckle pin. 3. Lift capacities are based on the machine standing on firm, uniform supporting surface. User must make allowances for job site conditions. 4. Operator should be fully acquainted with the Operator’s Manual and all safety instructions furnished by Caterpillar Inc. prior to operating the machine. 5. Lift capacities are in compliance with SAE J2417, “Lift Capacity Calculation Method — Knuckleboom Log Loaders and Certain Forestry Equipment.”

Maximum Reach

3 m/10'0"

4.6 m/15'0"

6.1 m/20'0"

7.6 m/25'0"

9.1 m/30'0"

kg

lb

kg

lb

kg

lb kg

lb

kg

lb

kg

lb

10.6 m (35'0")

7455.0 16,457.0 6485.6 14,317.0 6485.6 14,317.0

100% Hydraulics

Over End Over Side

9.1 m (30'0")

7039.2 6124.1 6124.1 7233.5 6293.1 6293.1 7412.0 6448.5 6448.5 7929.3 6898.7 6898.7 9338.1 8124.1 8124.1 9947.4 8654.6

100% Hydraulics

15,539 13,519 13,519

Over End Over Side

7.6 m

15,968 6280.8 13,892 5464.5 13,892 5464.5 16,362 6695.8 14,235 5845.5 14,235 5845.5

100% Hydraulics

13,865 12,063 12,063 14,781 12,860 12,860 15,228 13,248

Over End Over Side

(25'0")

6.1 m (20'0")

100% Hydraulics

Over End Over Side

4.6 m (15'0")

9268.8 8063.9 8063.9

6898.3 6001.3

5761.7 5012.9

100% Hydraulics

20,461 17,801 17,801

17,504 15,229

12,719 11,066

Over End Over Side

15,229 5748.2* 12,646* 4108.6* 9039*

3.0 m (10'0")

10 887.4 24,034

20,614 7782.5

5958.8 5184.1

4318.0 3756.7

9532 100% Hydraulics

17,180 14,947

13,154 11,444

9471.8 9471.8

6771.0

Over End

20,909 20,909

17,934

8293

17,934 5592.3* 12,303* 4049.1* 8908* 3609.1* 7940* Over Side

1.5 m (5'0")

13 174.1 29,082 11 461.4 25,301

21,959 7940.6 19,105 6908.3

5767.1 5017.4 3980* 5118.9 4453.4

100% Hydraulics

17,529 15,250

12,731 11,076 8756* 11,300

Over End Over Side

11 461.4 25,301 8045.0* 17,699* 5424.1* 11,933*

0 m

12 569.8 27,748 13 608.6 30,041 10 020.4 22,120 7702.8

100% Hydraulics

17,004 14,794

(0'0") 10 935.4 24,140 11 839.2 26,135

8717.5

6701.7

Over End Over Side

19,244

9831

10 935.4 24,140 11 839.2 26,135 7757.3* 17,066* 5289.5* 11,637* 3935.5* 8658*

– 1.5 m 11 940.2 26,358 12 527.3 27,654 (–5'0") 10 387.7 22,931 10 898.7 24,059

9174.6 7981.9

20,253 6702.6 14,796

100% Hydraulics

5831.5

Over End Over Side

17,620

12,873

10 387.7 22,931 10 898.7 24,059 7601.4* 16,723* 5226.8* 11,499*

5-88 Edition 47