M142 HIMARS vs M777 Howitzer

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 3.9x 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. Unit cost is $4.9M for the M142 HIMARS vs $3.738M for the M777 Howitzer.

Introduced in 2005, the United States' M142 HIMARS is a light multiple rocket launcher mounted on a five-ton wheeled truck chassis for mobile artillery support.
Profile of M142 HIMARS
Origin country 🇺🇸 United States
Category Multiple Launch Rocket System
Type Light multiple rocket launcher
Manufacturer Lockheed Martin
Number produced 750 units
Estimated unit price $4.9 million
Developed in the United Kingdom and introduced in 2005, the M777 is a 155mm towed howitzer used for fire support, featuring a titanium structure for helicopter transport.
Profile of M777 Howitzer
Origin country 🇺🇸 United States
Category Towed Artillery
Type Towed 155 mm artillery piece
Manufacturer BAE Systems
Number produced -- units
Estimated unit price $3.7 million
Combat weight 16.3 tons â—‰
Maximum speed 94 km/h
Operational range 480 km â—‰
Length 6.94 m â—‰
Width 2.44 m
Height 3.18 m
Crew 3 (commander, second in command, driver)
Engine Caterpillar 3116 ATAAC 6.6L diesel, 330 hp
Main armament 6 x GMLRS rockets or 2 x PrSM missiles or 1 x ATACMS missile
Secondary weapon --
Combat weight 4.2 tons â—‰
Maximum speed -- km/h
Operational range 70 km â—‰
Length 9.10 m â—‰
Width -- m
Height -- m
Crew 8 (normal), 5 (minimum), 3 (minimal emergency)
Engine --
Main armament 155 mm 55-caliber barrel
Secondary weapon M982 Excalibur GPS-guided munition

Performance Radar Chart

Frequently Asked Questions

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.
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.