Challenger 3 MBT

Main Battle Tank RBSL - United Kingdom

Description

Technical Data

Specifications

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The Challenger 3 is a new British Main Battle Tank (MBT) developed and designed by the company Rheinmetall BAE Systems Land (RBSL), a joint venture between the United Kingdom’s BAE Systems and Germany's Rheinmetall AG for military vehicle design, manufacture, and support. It is a modernized version of the British Challenger 2. The British Ministry of Defense (MoD) initiated the Challenger 2 Life Extension Program (LEP) to upgrade and extend the service life of the Challenger 2 tank, which had been in service since the late 1990s. The Challenger 3 features several advanced upgrades and improvements, making it a formidable platform on the modern battlefield. In May 2021, the British MoD (Ministry of Defense) announced an order for 148 Challenger 3 Main Battle Tanks (MBTs) as part of an £800 million contract with RBSL. The Challenger 3 will offer more mobility, protection, and firepower. The Challenger 3 has an all-new turret with an improved hull. The most significant change from Challenger 2 to Challenger 3 is the replacement of Challenger's main armament from a 120mm L30A1 rifled main gun to the 120mm L55A1 smoothbore gun. The first Challenger 3 is planned to enter service with the British army by 2030. The Challenger 3 MBT is expected to serve as the backbone of the British Army's armored forces in the coming decades, replacing the aging Challenger 2 tank fleet. On January 18, 2024, British Company Rheinmetall BAE Systems Land (RBSL) revealed the signing of a pivotal contract with the UK Ministry of Defense to equip the Challenger 3 Main Battle Tank with a new, advanced modular armor system. This significant development, born from the collaboration between Defense Science and Technology Laboratory (DSTL) experts and RBSL, promises to enhance the survivability of the Challenger 3 against formidable threats on the battlefield. On January 23, 2024, RBSL announced the first pre-production Challenger 3 tank delivery to the British Army for trials. On December 20, 2024, RBSL announced the delivery of prototypes 3 and 4 to the British army for field trials. On April 23, 2025, Maria Eagle from the British Ministry of Defense announced that four new Challenger 3 Main Battle Tank (MBT) prototypes had already been delivered, with an additional four units currently in production.

Announced on May 21, 2026, by Rheinmetall BAE Systems Land (RBSL), Rheinmetall UK continues to make strong progress on the Challenger 3 main battle tank development programme, with recent Battlefield Mission serials marking a major step forward in operational testing and capability validation. The latest activities evaluated the Challenger 3 tank’s battlefield performance in realistic combat scenarios, including firepower integration, crew coordination, mobility, and sensor-enabled target engagement. The programme is central to the United Kingdom’s effort to field a modernized heavy armored warfare capability capable of operating effectively in high-intensity combat environments alongside NATO allied forces.

- No variants at this time.

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Armament

Main Armament:  Challenger 3 MBT is armed with a 120mm L55A1 cannon Ammunition:  Armor-piercing discarding sabot (APDS), DM33, DM43, DM53 kinetic energy penetrator, DM63 Second Armament:  One coaxial 7.62mm L8A2 machine gun is mounted to the left of the main armament, a 7.62 mm L37A2 machine gun can be mounted at the commander's cupola. Ammunition:  7.62x51mm NATO Missile:  No  Other:  Two blocks of five 66 mm smoke grenade dischargers. One block is mounted on each side at the front of the turret.

Protection

Crew:  4 including commander, gunner, loader, and driver. Standard Armor:  The turret and hull incorporate second-generation Chobham armor over the frontal arc for increased battlefield survivability. Add-On Armor:  New modular armor Passive Armor:  NA Active Armor:  NA Active Protection System:  Trophy active protection system can be integrated on the tank The Challenger 3 MBT is fitted with improved armor and Trophy APS Active Protection System

Mobility

Engine:  Challenger 3 is fitted with a new improved engine Transmission:  New transmission, at this time no information about the type Suspension:  3rd generation of Hydrogas suspension, six double tires, road wheels, drive sprocket at the rear and track idler at the front Speed:  96 km/h (The Sun source) Cruising Range:  500 km Crossing Capacity:  Gradient: 60% - Side Slope: 30% - Vertical step: 0.9 m - Trench: 2.3 m Fording:  1 m

Combat Equipment

Fire Control: The Challenger 3 MBT features an upgraded fire control system that offers superior accuracy and targeting capabilities, allowing for faster target acquisition and engagement. Laser Rage Finder:  YES Night Visions Systems  YES  Day Vision Systems  YES NBC Protection System  YES Radio Systems:  YES Close view of gunner and commander sights

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Type	Crew
Main Battle Tank	4
Service Since	Number in service
Planned for 2030	148
Weapons Traverse	Weapons Elevation
360°	- 9° to + 20°
Dimensions	Weight
Length: 11.5 m; Width: 3.5 m; Height: 2.5 m	66,000 kg
Country producer	Countries user
United Kingdom	United Kingdom

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