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Merkava 3



Overview


Merkava IIID

Right side view of an Israeli Merkava IIID seen during an exercise in 2018.
Source: Shai Avidan - © CC BY-SA 4.0

Origin
Israel
Type
Main battle tank
Entered service
1990
Status
In service
Development
Late 1980's
Developer
Israel - MANTAK
Production
1989 - 2002 or 2003
Producer
Israel - MANTAK
Number produced
780 produced
Designations
Merkava Siman 3
Merkava Baz | Mark 3B
Merkava Dor-Dalet | Mark 3D
Notable users
Israel - IDF

Description


Introduction

The Merkava 3 is a modern main battle tank of Israeli origin. It is a further development of the original Merkava tank. The firepower, protection level and mobility have been improved. This makes it heavier and more costly than its predecessor. Unique features such as the front mounted engine, small silhouette turret, light mortar and rear access hatch have been retained.

Design

The Merkava 3 has the same unique layout as the original Merkava series but uses a larger and longer chassis. A larger and more powerful diesel engine has been installed in the front. The reshaped turret mounts a more powerful 120mm smoothbore cannon equivalent to NATO cannon. The rear ammunition and crew compartment with rear hatch has been retained.

Protection

The Merkava 3 has an improved protection level over the previous models by including composite armor. Partially the armor package is modular. Over time protection levels have been improved by adding applique armor. At first modular top attack armor was fitted. For the turret this has been improved in the Dor Dalet upgrade with composite armor all around. Smoke grenade launchers and NBC protection are fitted as standard.

Firepower

The main armament is a 120mm MG251 smoothbore cannon. A total of 46 rounds are carried and are manually loaded. Loading speed is increased due to the use of a 5 round mechanical drum with ready to use ammunition. All NATO standard ammunition can be fired including the LAHAT anti-tank missile for the Baz equipped model. High quality fire contol systems provide a good accuracy, even when firing on the move. A 7.62mm MAG is mounted as a coaxial machine gun. A 60mm mortar can be fired from within the turret. Additionally one or two 7.62mm MAG are pintle mounted on the turret roof. A 12.7mm M2HB heavy machine gun can be coaxially mounted above the barrel.

Mobility

The tracked chassis with helical spring suspension provides good all terrain mobility. The combination of a 1.200 hp diesel engine with the high combat weight result in a mediocre power to weight ratio. The maximum speed is 60 km/h. Dash speeds, both forward and reverse, have been improved over earlier Merkava.

Users

The Merkava 3 is used only by the Israeli army. Over time production models and existing models have been upgraded with additional armor and improved fire control systems. Merkava 3 is supplemented by the newer Merkava 4 but will remain in service for many years to come.

Variants


Merkava IIIB

Merkava IIIB on public display in the Yad la-Shiryon Museum as seen in 2010.
Source: Ricardo Tulio Gandelman - © CC BY 2.0

List of Merkava 3 variants

Merkava III
Original Merkava 3 as introduced in 1989. Since the early 1990's new built Merkava III were produced immediately as IIIB or IIIB Baz version.
Merkava IIIB
Merkava III with additional layer of top attack armor on turret roof. Only briefly in service since practically all were fitted with Baz update over time.
Merkava III Baz
Merkava III or IIIB with Baz (short for Barak Zoher) fire control system. First introduced in 1995. Fitted at a later stage with external coaxial M2HB heavy machine gun over barrel. Some Merkava IIIB Baz are held as reserves, while a majority were upgraded to Merkava IIID standard.
Merkava III LIC
Merkava III with Low Intensity Conflict package. Introduced in the early 2000's. Features turret armor similar to Merkava IIID, belly armor plate for mine protection, protective covers for the optical sights, additional cameras for all around situational awareness. external coaxial M2HB heavy machine gun and various other modifications.
Merkava IIID Dor-Dalet
Merkava III Baz with updated modular hull and turret protection and various elements of the Merkava IV. First introduced in service in 2007 or earlier. These include a new type of track, Rafael overhead weapon station, climate control, etc. Can be easily identified by the large additional sloped armor sections on the turret sides.

Details


Facts Merkava III Baz
General
Origin
Israel
Type
Main battle tank
Crew
4 (commander, driver, gunner, loader), plus optional passengers
Dimensions
Weight
63.5 t combat load
Length
7.60 m hull
9.04 m gun forward
Width
3.70 m without skirts
Height
2.66 m to turret roof
Main armament
Type
120mm MG251 smoothbore gun
Mount
Turret
Ammunition
46 rounds, 5 ready to fire in mechanical drum
Elevation
-7 to +20°, powered
Traverse
360°, powered
Stabilizer
Yes, both axis
Coaxial armament
Type
7.62mm MAG machine gun
Mount
Coaxial with main armament
Ammunition
10.000 rounds in total
Traverse
Traverse and elevation as main armament
Mortar
Type
60mm Soltam breech loaded light mortar
Mount
Internally firing through roof
Secondary armament
Type
1 or 2x 7.62mm MAG machine gun
Mount
Pintle mount on turret roof
Ammunition
10.000 rounds in total
Traverse
Manual elevation and traverse
Optional heavy machine gun
Type
12.7mm M2HB heavy machine gun
Mount
External coaxial mount over main gun
Ammunition
1.000 rounds typical, 100 ready to fire
Traverse
Traverse and elevation as main armament
Chassis
Chassis type
Tracked chassis, 6 roadwheels
Drive sprocket front, idler rear
Suspension
Coil spring
Automotive
Engine model
Teledyne Continental AVDS-1790-9AR
Engine type
Air-cooled V12 supercharged diesel
Power output
1.200 hp at 2.400 rpm
Torque
3.820 Nm at 1.900 rpm
Transmission
Renk RK 304
4 forward gears, 1 reverse
Fuel
1.100 L
Mobility
Speed
60 km/h on road
25 km/h reverse
Range
500 km on road
Power to weight ratio
18.8 hp/t
Obstacle crossing
Ground clearance
0.45 m
Wall
1 m
Trench
3 m
Gradient
60 %
Slope
40 %
Fording
1.4 m
Protection
Armor type
Steel, cast and welded
Additional modular composite armor after refit
NBC system
Yes, collective overpressure
Smoke system
2x6 smoke grenade launchers
Fire suppression
Automatic fire extinguishing system
Equipment
Night vision
Yes
Fire control
Barak Zoher fire control system
Radio
Yes

Media


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The Merkava 3 is a further development and deep modernization over the earlier Merkava models.

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The Merkava 4 is the latest generation of Merkava main battle tank. Both the chassis and turret were redesigned.