6 x GMLRS rockets or 2 x PrSM missiles or 1 x ATACMS missile
155 mm 55-caliber barrel
Secondary weapon
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M982 Excalibur GPS-guided munition
Engine
Caterpillar 3116 ATAAC 6.6L diesel, 330 hp
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Overview
The M142 HIMARS is a Multiple Launch Rocket System, while the M777 Howitzer is a Towed Artillery.
At 16.2 tons, the M142 HIMARS is 3.9:1 the M777 Howitzer's 4.2 tons. Operational range is 480 km for the M142 HIMARS vs 70 km for the M777 Howitzer. The M142 HIMARS is armed with a 6 x GMLRS rockets or 2 x PrSM missiles or 1 x ATACMS missile, while the M777 Howitzer carries a 155 mm 55-caliber barrel.
The M142 HIMARS has been produced in 750 units vs 1,250 for the M777 Howitzer. Unit cost is $4.9M for the M142 HIMARS vs $3.738M for the M777 Howitzer.
Which is faster, the M142 HIMARS or M777 Howitzer?
The M142 HIMARS is faster with a maximum road speed of 94 km/h compared to the M777 Howitzer's 0 km/h.
Which has longer operational range, the M142 HIMARS or M777 Howitzer?
The M142 HIMARS has a longer operational range at 480 km compared to the M777 Howitzer's 70 km.
Which is heavier, the M142 HIMARS or M777 Howitzer?
The M142 HIMARS is heavier at 16.2 tons combat weight compared to the M777 Howitzer's 4.2 tons.
Which is larger, the M142 HIMARS or M777 Howitzer?
The M777 Howitzer is longer at 9.10 meters compared to the M142 HIMARS's 6.94 meters.
How many crew members do the M142 HIMARS and M777 Howitzer require?
The M777 Howitzer requires a larger crew of 8 (normal), 5 (minimum), 3 (minimal emergency) compared to the M142 HIMARS's 3 (commander, second in command, driver) crew members.
Which is more expensive, the M142 HIMARS or M777 Howitzer?
The M142 HIMARS is more expensive at approximately $4.9 million per unit compared to the M777 Howitzer at $3.7 million.
Which has been built in greater numbers, the M142 HIMARS or M777 Howitzer?
The M777 Howitzer has been produced in greater numbers with 1,250 units compared to 750 units of the M142 HIMARS.
What are the main armaments of the M142 HIMARS and M777 Howitzer?
The M142 HIMARS is armed with 6 x GMLRS rockets or 2 x PrSM missiles or 1 x ATACMS missile while the M777 Howitzer carries 155 mm 55-caliber barrel as its main armament.
