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Model 3855C
23.8' - 54.8', 2-Piece Boom
Standard Specifications

     Features:

Click to enlarge

Axle Weights (LB.)
Distribution 2 Axle Truck

Truck Crane Complete Unit
Front Axle 6,830 4,450 11,280
Rear Axle 3,900 15,480 19,380
Total 10,730 19,380 30,660

 

Load Chart for 3855C on two axles

Radius
in Feet
Over Rear Over Side Over Front
24' Boom 39' Boom 55' Boom 24' Boom 39' Boom 55' Boom 24' Boom 39' Boom 55' Boom
6 49,260* 49,260* 54,960*
8 42,540* 42,540* 44,510*
10 37,370* 33,260* 37,380* 33,260* 37,880* 33,260*
12 27,570* 27,180 33,250* 28,950* 33,260* 28,950
15 19,290 18,940 18,450 28,430 24,140 22,590 28,610 24,140 22,590
18 14,560 14,250 14,730 21,040 20,600 19,320 24,610 20,840 19,320
20 12,380 12,100 12,570 16,710 16,330 17,050 21,880 19,150 17,670
23 9,500 - - 12,100 - - 15,000 - -
25 8,510 8,970 10,320 10,940 12,050 12,940
30 6,300 6,750 7,160 7,730 7,520 8,270
35 4,790 5,250 5,200 5,760 5,070 5,760
38.5 3,800 - 3,900 - 3,600 -
40 4,160 4,420 4,200
45 3,340 3,440 3,120
50 2,690 2,700 2,330
54 2,100 2,050 1,600

*Maximum load with standard reeving is 30,000 lbs.
Numbers shown in bold type (above tipping line) indicate structural capacity limits. All other numbers indicate tipping limits. Actual numbers may vary due to differences in finished weight, wheelbase, etc.

 

3-Axle

Click to enlarge

Axle Weights (LB.) Distribution
3 Axle Truck

Truck Crane Complete Unit
Front Axle 9,687 3,278 12,966
Rear Axle 8,832 24,574 33,406
Total 18,520 27,852 46,372

 

Load Chart for 3855C on three axles
With Optional 6,500 lb. Counterweight

Radius
in Feet
Over Rear Over Side Over Front
24' Boom 39' Boom 55' Boom 24' Boom 39' Boom 55' Boom 24' Boom 39' Boom 55' Boom
6 53,580* 53,580* 54,850*
8 44,510* 44,390* 44,390*
10 37,880* 33,260* 37,750* 33,140* 37,750* 33,140*
12 33,260* 28,950 33,130* 28,810* 33,130* 28,810
15 28,610 24,140 22,450 28,470 24,000 22,450 28,470 24,000 22,450
18 24,610 20,840 19,190 24,470 20,700 19,190 24,470 20,700 19,190
20 21,880 19,150 17,530 21,740 19,010 17,530 21,740 19,010 17,530
23 17,000 - - 16,600 - - 15,900 - -
25 16,000 14,480 14,300 14,480 12,960 13,780
30 12,110 12,390 10,160 10,740 8,340 9,050
35 9,500 9,990 7,600 8,160 5,760 6,430
38.5 7,800 - 6,050 - 4,300 -
40 8,141 6,410 4,760
45 6,760 5,140 3,610
50 5,680 4,170 2,750
54 4,800 3,400 2,050

*Maximum load with standard reeving is 30,000 LB.
Numbers shown in bold type (above tipping line) indicate structural capacity limits. All other numbers indicate tipping limits. Actual numbers may vary due to differences in finished weight, wheelbase, etc.

Wire Rope Capacity (LBS).
Parts Line 1 2 3 4 5 6
7
8
Line Pull 7,600 15,200 22,800 30,400* 38,000* 45,600* 53,200* 60,800*

Do not exceed parts of line rating.

Fly jib load chart
(3 axle truck)

55 Foot Boom + 24 Foot Fly Jib (with optional 6500 lb. counterweight)
Over Rear Over Side Over Front
Working Radius Boom Angle Rated Load Rated Load Rated Load
13 80 9,080 9,080 9,080
15 79 9,080 9,080 9,080
18 77 9,080 9,080 9,080
20 75 9,080 9,080 9,080
25 71 9,080 9,080 9,080
30 68 8,740 8,740 8,740
35 64 8,000 8,000 8,000
40 60 7,390 7,390 7,390
45 55 6,860 6,860 6,860
50 51 6,040 6,070 5,960
55 46 5,410 5,410 4,970
60 40 4,880 4,790 4,190
65 34 4,350 4,140 3,560
70 26 4,100 3,610 3,040
75 16 3,630 3,150 2,600
78 0 3,100 2,890 2,320

 

Click to enlarge Structural Load Chart
Radius in Feet Boom Angle 23.8 Foot Boom Boom Angle 39 Foot Boom Boom Angle 54.8 Foot Boom
6 78 54,960*
8 73 44,510*
10 67 37,880* 78 33,260*
12 62 33,260* 75 28,950
15 53 28,610 70 24,140 78 22,590
18 42 24,630 65 20,840 74 19,320
20 33 21,900 62 19,150 72 17,670
25 53 16,000 66 14,630
30 42 13,150 60 12,540
35 28 10,720 53 10,990
40   46 9,390
45 37 7,980
50 26 6,860
54 0 5,750