TM-5-2330-378-14-P
SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1
TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
JUNE 1999
TM-5-2330-378-14-P - Page 24 of 524
TM5-2330-378-14&P
1-15.
EQUIPMENTDATA(continued).
Weight Distribution
M870
M870A1
Rearaxle (empty)
.........................................
5.5 tons (4990 kg)
5.2 tons (4717 kg)
Rear axle (loaded)
........................................
28.25 tons (25,627 kg)
29.3 tons (26,580 kg)
Fifth wheel of tractor trailer (loaded)
.............
20 tons (18,143 kg) 20.3 tons (18,415 kg)
Axles
Type
.............................................................
Tubular
Tubular
Quantity
........................................................
3
3
Wheel Bearings
Type
.............................................................
Tapered roller
Tapered roller
Wheels
Type
.............................................................
Disk - 10 studs
3 spokes
Rim size .
.......................................................
15 X 7.5 in.
15 X 7.5 in.
Rim type
.......................................................
Advance military
Tube
Rim spacer .
..................................................
None
Goodyear
"K" type
Tires
Quantity
........................................................
13
13
Size
..............................................................
10 X 15 in.
10 X 15 in.
Ply
................................................................
14
14
Type
.............................................................
Commercial
Commercial
Tread design
................................................
Highway tread
Highway tread
Tire Air Pressure
Highway
........................................................
85 psi (586 kPa)
90 psi (621 kPa)
Rough terrain .
...............................................
45 psi (310 kPa)
45 psi (310 kPa)
Sand or soft ground .
.....................................
35 psi (241 kPa)
35 psi (241 kPa)
1-10
Back to Top
