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Minefield breaching vehicle

Grizzly CMV

The Grizzly combat mobility vehicle was cancelled in 2001 and never reached production

Country of origin United States
Entered service -
Crew 2 men
Dimensions and weight
Weight ~ 50 t
Length 10.62 m
Width 3.66 m
Width (with dozer blade) 5.55 m
Height 3.6 m
Lifting capacity 25 ~ 30 t
Earth working capacity 300 m/h
Machine guns 1 x 12.7 mm
Engine Honeywell AGT1500 gas turbine
Engine power 1 500 hp
Maximum road speed 66 km/h
Range 420 km
Gradient 60%
Side slope 30%
Vertical step 1 m
Trench ~ 2.7 m
Fording ~ 1.2 m
Fording (with preparation) 2.28 m


   The Grizzly Combat Mobility Vehicle (CMV) was designed in the 1990s for the US Army. This armored engineer vehicle, initially designated the Breacher, was specially developed to breach enemy obstacles and clear pathways through minefields, creating safe lanes for other vehicles. It allows assault units to move rapidly through obstacles, before enemy forces establish defenses. The first prototypes were delivered in 1995. The US Army planned to acquire 366 of these breeching vehicles. However in 2001 the program was cancelled due to relocating of funds, as the Army could not afford a complicated, maintenance-heavy vehicles for this purpose. The Grizzly combat mobility vehicle never reached production. In 2008 the US Marine corps adopted a similar engineer vehicle, the Assault Breacher Vehicle. Some sources claim, that the US Army ordered 187 of these new vehicles, instead of the cancelled Grizzly.

   The Grizzly breachers were planned to be built on refurbished M1 Abrams hulls, supplied from surplus Army stocks. Turret of the M1 has been removed and replaced by a superstructure.

   The Grizzly is equipped with a huge dozer blade, which is 4.5 m wide. It is able to dig one meter into the ground at a swipe and excavate 300 m per hour. The dozer blade is heavily armored and can withstand mine damage.

   Its telescopic arm with bucket for obstacle removal and digging. It is able to reach 10 meters and can excavate 80 m per hour. The bucket can lift about 6.3 tonnes.

   The Grizzly could breach an 600 meter obstacle with mines, berms, wire, rubble within 21 minutes, creating a lane for vehicles to follow. It could also breach an anti-tank trench in 5 minutes. This Combat engineer vehicle could breach natural obstacles as well.

   Protection of the Grizzly is comparable to that of the main battle tanks. It can withstand mine damage. Vehicle was fitted with NBC protection and automatic fire suppression systems.

   The Grizzly was fitted with a remotely controlled weapon station, armed with 12.7 mm machine gun or 40 mm automatic grenade launcher.

   This combat engineer vehicle had a crew of two, including commander and driver. Both of them were seated side-by-side, slightly offset in the front hull.

   The Grizzly used many components from the Abrams family of main battle tanks. This combat engineer vehicle was powered by a Honeywell AGT1500 gas turbine engine, developing 1 500 hp. It is a multi-fuel engine, which can run on kerosene, diesel, petrol or aviation fuel. It has servicing intervals significantly longer than those of diesel engines, however it is troublesome to maintain and has very high fuel consumption comparing with diesels. Vehicle is fitted with auxiliary power unit, which powers all systems and engineer equipment, when the main engine is turned off. Mobility of the Grizzly was comparable to that of the Abrams main battle tank. This breacher vehicle was capable of keeping pace with maneuver force. It also had a deep fording capability.




Grizzly CMV

Grizzly CMV

Grizzly CMV

Grizzly CMV

Grizzly CMV


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