Gremlin 2 Main Battle Tank
Gremlin 2 Test NOV 16 MOJAVE

Gremlin 2 undergoing tests
Type Main Battle Tank
Place of origin Kingdom of Sierra
Service history
In service 2017-present
Used by Sierran Crown Armed Forces
Production history
Designer Avantis
Designed 2003-2009
Manufacturer Avantis
Unit cost $4.5 million-$6 million (est.)
Produced 2017-present
Number built 220 (2017)
Weight 53.5 tons (58.97 short tons)
Length Gun Forward: 8692mm
Hull length: 7000mm
Width 3660mm
Height 2180mm
Crew 4 (commander, driver, gunner)

155mm smoothbore cannon
1 × .50-caliber (12.7 mm) Barrett machine gun
12 x 40mm grenade launchers
Engine Avantis E1 hybrid-electric engine
1120 kw (1500 hp)
Suspension Quad-Torsion bar
Ground clearance 210 mm
Fuel capacity 977 liters
425 km on road, 240 off road
Speed 55 km/h

The Gremlin 2 is a main battle tank under development by Avantis of Sierra. The Gremlin 2, a development of the Gremlin 1 platform is a next-generation MBT, and is believed to be one of the most modern tanks in existence. Several Gremlin 2 prototypes have been produced since 2012, with production likely to commence in 2017. THe Gremlin 2 will be the first production hybrid-electric tank in the world.

The Gremlin 2 features modular composite armour (believed to be similar to Chobham), which will allow it to withstand all light and most medium and heavy anti-tank guns. The Gremlin 2 measures 8.7 meters in length (with turret), 3.66 meters in width and is 2.18 meters in height.


Development of a electric-powered tank chassis began in 2005 by Avantis, as a study for a new, more efficient design which would lower the tank's heat signature dramatically. A prototype Gremlin 1 tank was presented to the media in May 2008, and the Sierran Crown Armed Forces received the model for testing.

Following these tests, a significant improvement on the Gremlin 1 began in 2009, with several prototype models ready by July 2015 and subject to the most grueling yearlong tests in the Mojave Desert and the Sierra Nevada.


The Gremlin 2 features a 155mm main smoothbore gun. The secondary weapon is a Mini-Samson Remote Weapons Station with a 50 cal Barrett gun.

Defensive systems

The Gremlin 2 features 2 6-times 40mm grenade-launching units, with a primary defensive role. It further has dazzlers to disorient or blind guided projectiles, and is believed to have a laser warning receiver.

Engine, transmission and suspension

The Gremlin 2 will use an 1120 kw hybrid-electric motor (2000 Nm of torque), which will enable it to reach a top speed of 55 km/h going forward, and 21 km/h going backward. The tank uses four specially-developed electric batteries to power the engine, and it in turn powers the electric motor. The Gremlin 2 is assumed to have a regenerative brake system, to help store power. Due to the fact that the Gremlin 2 has a hybrid-electric transmission (thus no gears), it can use 100% of its torque at once.

The Gremlin's suspension is hydraulic, carried over from the Gremlin 1 with only minimal suspension.

Operational history

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The Sierran Army received an initial batch of 15 tanks in late January 2017. These production models were tested in the Sonoran and Mojave Deserts and were approved for combat in March, whereby full delivery would commence. Until 2018, around 5 tanks are being delivered monthly, after which 10 per month will be the target.

Estimates suggest the Abrams can be fully replaced within the next 5-10 years.

Trucial States

In October 2015 the Trucial States announced formal interest in the Gremlin 2. While it operates 440 AMX Leclerc and 12 Challenger 2, it is looking to bolster the Leclercs and eventually phase out the Challengers (and begin phasing out) the oldest Leclercs by 2025.

They acquired their first production models in August 2017, though only 5 will be in service by December that year, for a total of 40 in the initial batch.


The Sierran Crown Armed Forces has been testing Gremlin and Gremlin 2 prototypes since 2008, and has placed an order for 220 Gremlin 2's for 2017, at a cost of $1.3 billion. Delivery of the first models are expected in January 2017.

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