QMC 4037S

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
Minimum Frame Requirements

Minimum selection modulus per rail = 17.8 in.3

Minimum yield strength = 110 KSI

Weight Distribution
  Front Rear Total
Tractor 10,940 7,110 18,050
Crane 6,770 11,870 18,640
King Pin 0 15,020 15,020
Totals 17,710 34,000 51,710

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 35,500 35,500 35,500
15 49 30,400 30,400 24,700
18 38 25,300 25,300 15,700
20 27 22,600 22,600 12,400
22 0 19,300 19,300 10,100
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 37,700
11 67 33,000 33,000 33,000
15 61 28,100 28,100 25,000
18 53 24,700 24,700 15,900
20 48 22,800 22,800 12,600
25 31 17,600 16,500 8,100
28.5 0 14,600 13,000 6,200
37 Foot Boom
Working
Radius
Boom
Angle
Rated Load
Rear Side Front
10 77 34,600 34,600 34,600
12 73 30,800 30,800 30,800
15 68 26,300 26,300 25,200
18 63 22,900 22,900 16,000
20 59 21,200 21,200 12,800
25 49 17,700 16,600 8,200
30 37 14,400 12,100 5,800
36 0 11,300 8,400 4,100

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.