TM-9-2320-272-10
TRUCK, 5-TON, 6X6, M939, M939A1, AND M939A2 SERIES TRUCKS (DIESEL)
TECHNICAL MANUAL; OPERATOR'S MANUAL
SEPTEMBER 2004
CHANGE 2
TM-9-2320-272-10 - Page 247 of 481
TM 9-2320-272-10
2-146
a.
Payload Capacities.
M929/A1/A2 and M930/A1/A2 dump trucks can carry
10,000 lb (4,540 kg) of material cross-country. Table 2-5 lists typical material weights.
.
WARNING
.
Stay clear of dump body and cab protector at all times during
loading and unloading operations. Dump body can unexpectedly
raise when a heavy load is dropped into dump body and will
cause injury or death.
2-25. OPERATION OF DUMP TRUCKS
Table 2-5. Typical Material Weights.
Capacity level
Capacity Heaping
full 5.0 cu-yd
full 7.5 cu-yd
MATERIAL WEIGHT
(3.8 cu-M)
(5.7 cu-M)
lb per cu-ft
lb per cu-yd
lb (approx)
lb (approx)
(kg per cuM)
(kg)
(kg)
Ashes
43
1,161
5,805
8,708
(1,518.5)
(2,635.5)
(3,953.4)
Cinders
46
1,242
6,210
9,315
(1,624.4)
(2,819.3)
(4,229.0)
Clay (dry and loose)
77
2,079
*10,395
*15,593
(2,719.1)
(4,719.3)
(7,079.2)
Clay (wet)
110
2,970
*14,850
†22,275
(3,884.5)
(6,741.9)
(10,113.0)
Clay and gravel (dry)
100
2,700
*13,500
†20,250
(3,513.3)
(6,129.0)
(9,193.5)
Clay and gravel (wet)
65
1,755
8,775
*13,163
(2,295.4)
(3,983.4)
(5,976.0)
Coal, anthracite
54
1,458
7,290
*10,935
(hard)
(1,906.9)
(3,309.7)
(4,964.5)
Coal, bituminous
81
2,187
*10,935
*16,403
(soft)
(2,860.4)
(4,964.5)
(7,447.0)
Coke
28
756
3,780
5,670
(988.8)
(1,716.1)
(2,587.2)
Concrete
138
3,726
*18,630
†27,945
(4,873.2)
(8,58.0)
(12,678.2)
Concrete mix (wet)
124
3,348
*16,740
†25,110
(4,379.1)
(7,600.0)
(11,400.1)
Earth (dry and loose)
75
2,025
*10,125
*15,188
(2,648.8)
(4,596.8)
(6,895.4)
Earth (moist and
95
2,565
*12,825
*19,238
packed)
(3,345.8)
(5,822.6)
(8,734.1)
* Over rated cross-country payload
† Over rated cross-country and highway payload
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