Load Chart, Boom, 4-Part Hook Block
Boom Stage 1 rated capacities in pounds by working radius and outrigger variation
| STAGE 1 |
Outrigger Variation |
Working Radius (feet) |
| 3.28 |
4.9 |
5.9 |
6.5 |
8.2 |
8.67 |
| MAX+ |
8,880 | 8,880 | 8,880 | 8,150 | 6,680 | 5,950 |
| MAX, MID+ |
8,880 | 8,880 | 8,880 | 8,150 | 6,680 | 5,950 |
| MID, MIN+ |
8,880 | 8,880 | 8,880 | 8,150 | 6,680 | 5,950 |
| MIN |
8,880 | 8,880 | 8,880 | 8,150 | 5,950 | 5,290 |
| MAX-, MID-, MIN- |
8,880 | 5,790 | 4,120 | 3,260 | 2,050 | 1,820 |
Boom Stage 2 rated capacities in pounds by working radius and outrigger variation
| STAGE 2 |
Outrigger Variation |
Working Radius (feet) |
| 3.28 |
4.9 |
5.9 |
6.5 |
8.2 |
9.8 |
11.4 |
13.1 |
14.73 |
| MAX+ |
8,880 | 8,880 | 8,880 | 8,150 | 6,680 | 5,460 | 4,580 | 3,920 | 3,370 |
| MAX, MID+ |
8,880 | 8,880 | 8,880 | 8,150 | 6,680 | 5,460 | 4,580 | 3,920 | 3,370 |
| MID, MIN+ |
8,880 | 8,880 | 8,880 | 8,150 | 6,680 | 5,460 | 4,340 | 3,390 | 2,660 |
| MIN |
8,880 | 8,880 | 8,880 | 8,150 | 5,950 | 4,030 | 2,910 | 2,200 | 1,740 |
| MAX-, MID-, MIN- |
8,880 | 5,790 | 4,120 | 3,260 | 2,050 | 1,410 | 1,030 | 740 | 520 |
Boom Stage 3 rated capacities in pounds by working radius and outrigger variation
| STAGE 3 |
Outrigger Variation |
Working Radius (feet) |
| 3.28 |
4.9 |
5.9 |
6.5 |
8.2 |
9.8 |
11.4 |
13.1 |
14.7 |
16.4 |
18.0 |
19.6 |
20.65 |
| MAX+ |
5,240 | 5,240 | 5,240 | 5,240 | 5,240 | 4,690 | 4,140 | 3,810 | 3,370 | 2,930 | 2,600 | 2,380 | 2,270 |
| MAX, MID+ |
5,240 | 5,240 | 5,240 | 5,240 | 5,240 | 4,690 | 4,140 | 3,810 | 3,370 | 2,930 | 2,510 | 2,130 | 1,960 |
| MID, MIN+ |
5,240 | 5,240 | 5,240 | 5,240 | 5,240 | 4,690 | 4,010 | 3,300 | 2,660 | 2,200 | 1,850 | 1,540 | 1,380 |
| MIN |
5,240 | 5,240 | 5,240 | 5,240 | 5,240 | 3,880 | 2,910 | 2,200 | 1,740 | 1,430 | 1,190 | 990 | 880 |
| MAX-, MID-, MIN- |
5,240 | 5,240 | 5,240 | 5,240 | 5,240 | 1,410 | 1,030 | 740 | 520 | 390 | 280 | 190 | 150 |
Boom Stage 4 rated capacities in pounds by working radius and outrigger variation
| STAGE 4 |
Outrigger Variation |
Working Radius (feet) |
| 4.9 |
5.9 |
6.5 |
8.2 |
9.8 |
11.4 |
13.1 |
14.7 |
16.4 |
18.0 |
19.6 |
21.3 |
22.9 |
24.6 |
26.2 |
26.44 |
| MAX+ |
4,470 | 4,470 | 4,470 | 4,470 | 4,030 | 3,590 | 3,260 | 2,820 | 2,600 | 2,380 | 2,160 | 1,960 | 1,820 | 1,710 | 1,580 | 1,580 |
| MAX, MID+ |
4,470 | 4,470 | 4,470 | 4,470 | 4,030 | 3,590 | 3,260 | 2,820 | 2,600 | 2,380 | 2,130 | 1,870 | 1,670 | 1,470 | 1,300 | 1,300 |
| MID, MIN+ |
4,470 | 4,470 | 4,470 | 4,470 | 4,030 | 3,590 | 3,080 | 2,620 | 2,200 | 1,850 | 1,540 | 1,300 | 1,140 | 1,010 | 920 | 920 |
| MIN |
4,470 | 4,470 | 4,470 | 4,470 | 3,680 | 2,880 | 2,200 | 1,740 | 1,430 | 1,190 | 990 | 830 | 720 | 630 | 550 | 550 |
| MAX-, MID-, MIN- |
4,470 | 3,700 | 3,080 | 2,050 | 1,410 | 1,030 | 740 | 520 | 390 | 280 | 190 | 150 | 130 | | | |
Boom Stage 5 rated capacities in pounds by working radius and outrigger variation
| STAGE 5 |
Outrigger Variation |
Working Radius (feet) |
| 4.9 |
5.9 |
6.5 |
8.2 |
9.8 |
11.4 |
13.1 |
14.7 |
16.4 |
18.0 |
19.6 |
21.3 |
22.9 |
24.6 |
26.2 |
27.8 |
29.5 |
31.1 |
32.23 |
| MAX+ |
4,120 | 4,120 | 4,120 | 4,120 | 3,590 | 3,190 | 2,820 | 2,530 | 2,290 | 2,090 | 1,940 | 1,760 | 1,630 | 1,520 | 1,430 | 1,340 | 1,250 | 1,190 | 1,140 |
| MAX, MID+ |
4,120 | 4,120 | 4,120 | 4,120 | 3,590 | 3,190 | 2,820 | 2,530 | 2,290 | 2,090 | 1,940 | 1,760 | 1,630 | 1,470 | 1,300 | 1,190 | 1,100 | 990 | 940 |
| MID, MIN+ |
4,120 | 4,120 | 4,120 | 4,120 | 3,590 | 3,190 | 2,820 | 2,530 | 2,200 | 1,850 | 1,540 | 1,300 | 1,140 | 1,010 | 920 | 830 | 770 | 700 | 660 |
| MIN |
4,120 | 4,120 | 4,120 | 4,120 | 3,480 | 2,860 | 2,200 | 1,740 | 1,430 | 1,190 | 990 | 830 | 720 | 630 | 550 | 480 | 440 | 390 | 370 |
| MAX-, MID-, MIN- |
4,120 | 3,480 | 3,040 | 2,050 | 1,410 | 1,030 | 740 | 520 | 390 | 280 | 190 | 150 | 130 | | | | | | |
Capacities in pounds (lbs). When using the 4-Part Hook Block, deduct 70 lbs and the weight of the rigging to determine net-rated load capacity. 2-Part maximum rated capacity is 4,470 lbs. 1-Part maximum rated capacity is 2,220 lbs.