QMC 4037R

ASME B30.5 / IMPERIAL 85%

Basis of Design
Item Description Remarks
Truck chassis Per customer
Driver weight 250 pounds Included in analysis
Fuel tank 100 gallons Included in analysis
Hydraulic tank 60 gallons Included in analysis, location may vary
Tool box 48” long Size may vary, aluminum construction
Minimum Frame Requirements

Minimum selection modulus per rail = 17.8 in.3

Minimum yield strength = 110 KSI

Weight Distribution
  Front Rear Total
Truck 10,910 7,210 18,120
Crane 2,180 17,320 19,500
Payload 6,910 9,470 16,380
Totals 20,000 34,000 54,000

Total axle limits shown are based on Federal D.O.T. regulations bridge formula.

Truck dimensions, weights, payload, and lifting performance representative of design baseline. Variations from information shown (truck weights, wheel base, front axle to back of cab, and more) may be accommodated and may result in adjustment of payload, payload size, and crane lifting capacity. Contact QMC Cranes with your requirements.

Load Chart

23 Foot Boom
Working
Radius
Boom
Angle
Rated Load
Rear Side Front
6 76 45,400 45,400 45,400
8 71 45,400 45,400 45,400
10 65 40,200 40,200 40,200
12 59 35,600 35,600 35,600
15 49 30,500 30,500 30,500
18 38 25,100 25,300 25,300
20 27 22,200 22,600 22,600
22 0 19,300 19,300 19,300
29 Foot Boom
Working
Radius
Boom
Angle
Rated Load
Rear Side Front
8 76 44,500 44,500 44,500
10 72 37,700 37,700 37,200
12 67 33,100 33,100 33,100
15 61 28,200 28,200 28,200
18 53 24,700 24,700 24,700
20 48 22,300 22,800 22,800
25 31 17,200 16,700 17,600
28.5 0 13,500 13,100 14,600
37 Foot Boom
Working
Radius
Boom
Angle
Rated Load
Rear Side Front
10 77 34,700 34,700 34,700
12 73 30,800 30,800 30,800
15 68 26,300 26,300 26,300
18 63 23,000 23,000 23,000
20 59 21,300 21,300 21,300
25 49 17,300 16,800 17,700
30 36 12,500 12,200 14,400
36 0 9,200 8,900 11,300

Red lines indicate transition from structural to tipping limits. Loads above the line are based on structural limits. Loads below the line are based on 85% actual tipping condition per ASME B30.5.

Wire Rope Capacity
Parts Line 1 2 3 4 5 6 7 8
Load Limit 9,080 18,160 27,240 36,320 45,400 0 0 0

Do not exceed parts of line ratings.

  1. Load does not include blocks, slings, and all other equipment used to handle objects being lifted.
  2. Load ratings are for zero degree list.
  3. Loads must be freely suspended.
  4. Rope: Rotation resistant, compacted strand, 9080 lb. capacity.
  5. This chart is only a guide and should not be used to operate the crane. Individual crane’s load chart, operating instructions, and other instructional plates must be read and understood prior to operating crane.