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
Working Radius	Boom Angle	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
Working Radius	Boom Angle	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
Working Radius	Boom Angle	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.

Load does not include blocks, slings, and all other equipment used to handle objects being lifted.
Load ratings are for zero degree list.
Loads must be freely suspended.
Rope: Rotation resistant, compacted strand, 9080 lb. capacity.
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.