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Description
revised design of the Terran Federation Centurion 2 Main Battle Tank since I was not very satistfied with the first design I posted awhile ago.

made for for L4's Mass Effect and Starship Trooperscrossover fanfic on ff.net and alternatehistory.com, the current story arc can be viewed here:
The current story arc can be viewed here:
FF link:www.fanfiction.net/s/12368590/…
AH link: www.alternatehistory.com/forum…

An antiquated Federation Main Battle Tank, the type was no longer in service in the mainstay Federatal Army during the Second Bug War,although they are still being manufactured for colonial garrisons which lacked access to high-end equipments and maintenance facilities.
The Centurion design was based on the principle of hit-and-run defensive tactics back during the Disorder Wars period on Earth. Designed to be mobile and small, with greater flexibility compared to its successors, its small chassis means it can move up relatively narrow mountain roads, and more can be fit upon trains and transportation. With the Federation rethinking their mindset on the more defensive doctrines for their armored units, these defense minded vehicles outstayed their welcome. This proved to be a liability for these vintage tanks, when the Federation launched their retaliation campaigns against the Arachnids and the Batarians. But despite its age they maintained excellent defensive capabilities, as everything from Skinnie Chariots to Batarian Varush tanks learned to fear its assault gun variant, the Jagdpanzer Hetz.
Already when the 2nd Bug War came to an end, these vehicles showed their age, and it was only made worse with the discovery of the Mass Effect technology. Originally just an old variant for a style of warfare made impossible by the Bugs and Skinnies, it was quickly rendered obsolete by advancing technology from the Citadel League. The most obvious disadvantages was the lack of a kinetic shield, along with inferior metallurgical protection against hi-velocity Mass Accelerators, these quickly proved to be fatal for the unfortunate crew of these tanks which faced raids from the Terminus and Batarians. Nevertheless, they are still being mass produced and constantly upgraded with up-to-date equipment. Examples of these upgrades include ablative laser proof coatings, improved thermal sensors, state of the art armor plating, and improved engines.
The tank has a reputation for being cheap, fast, and reliable. Able to run on anything that burns, can reach up to 88 MPH in favorable off road terrain, being relatively easy to maintain, and can mount a variety of weapon systems. It maintains the Federation’s desire for modularity, with the various turrets being able to be replaced, and the casement weapon’s also able to be swapped out. Typically used for garrisons in defensive actions, the tank has a reputation for being the Colonist’s vehicle of choice, with it pulling double duty in farming, mining, forestry, and many more industries, with the Colony of Neo Novogorsk claiming it as their Planet Vehicle.

Variant:

-M-27 Mk-I-Mk-IV: Standard Main Battle Tank, armed with a Thunderstrike cannon and a co-axial 12.7mm HMG. Nicknamed “Centurion”
-M-27 Mk III CS: Close support vehicle, armed with a 240mm Hail-Mary Mortar mounted in a modified turret, designed for demolition, close support, anti fortifications, and harassment fire. Also has a pintle mounted 12.7mm HMG. Nicknamed “Dustbin”
-Model 74 Tank Destroyer: Armed with a 125mm mass accelerator, with its turret removed and replaced with a
box-shaped turret.The vehicle excels in anti-armor warfare, delivering powerful disruptor shots with its hi-velocity cannon. Nicknamed “Hetzer”
-Model 67 Rocket Tank: Armed with a Spitball Rocket Launcher, this vehicle performed the role of long range artillery, providing rocket fire support for front line units. Nicknamed “Hydra”
-Model 77 Self Propelled Artillery: Modified SPG variant with a more cost-effective M779 Ultra-light weight howitzer, also designed for long range fire support for frontline units. Nicknamed “Kappa”

Specification (M29 Mark IV Improved Protection Main Battle Tank)

Height:3.56 m
Length:7.4 m
Width:3.53 m
Weight: 36 tons
Ground Clearance: 0.5m
Armor:
-240mm front
-120mm sides
-300mm turret
(actual turret protection with ablative coating and ERA is 1200mm)
-70mm rear
Speed:88km/h
Powerplant: 2x Morita Liberty turbodiesel Engines
Shielding:
-Composite armor (baseline tank hull and turret)
-NBC protection system
-EMP immune vacuum tubes
-Explosive Reactive Armor plates
Armaments:
-1x140 mm MW-97B Thunderstrike HV rifled cannon (with access to HEAT FS, HESH and APDS munitions)
-2 x Morita 12.7mm HMG (coaxial and optional anti-air)
Crew: 3 (Driver, Gunner, Commander)

Description
revised design of the Terran Federation Centurion 2 Main Battle Tank since I was not very satistfied with the first design I posted awhile ago.

made for for L4's Mass Effect and Starship Trooperscrossover fanfic on ff.net and alternatehistory.com, the current story arc can be viewed here:
The current story arc can be viewed here:
FF link:www.fanfiction.net/s/12368590/…
AH link: www.alternatehistory.com/forum…

An antiquated Federation Main Battle Tank, the type was no longer in service in the mainstay Federatal Army during the Second Bug War,although they are still being manufactured for colonial garrisons which lacked access to high-end equipments and maintenance facilities.
The Centurion design was based on the principle of hit-and-run defensive tactics back during the Disorder Wars period on Earth. Designed to be mobile and small, with greater flexibility compared to its successors, its small chassis means it can move up relatively narrow mountain roads, and more can be fit upon trains and transportation. With the Federation rethinking their mindset on the more defensive doctrines for their armored units, these defense minded vehicles outstayed their welcome. This proved to be a liability for these vintage tanks, when the Federation launched their retaliation campaigns against the Arachnids and the Batarians. But despite its age they maintained excellent defensive capabilities, as everything from Skinnie Chariots to Batarian Varush tanks learned to fear its assault gun variant, the Jagdpanzer Hetz.
Already when the 2nd Bug War came to an end, these vehicles showed their age, and it was only made worse with the discovery of the Mass Effect technology. Originally just an old variant for a style of warfare made impossible by the Bugs and Skinnies, it was quickly rendered obsolete by advancing technology from the Citadel League. The most obvious disadvantages was the lack of a kinetic shield, along with inferior metallurgical protection against hi-velocity Mass Accelerators, these quickly proved to be fatal for the unfortunate crew of these tanks which faced raids from the Terminus and Batarians. Nevertheless, they are still being mass produced and constantly upgraded with up-to-date equipment. Examples of these upgrades include ablative laser proof coatings, improved thermal sensors, state of the art armor plating, and improved engines.
The tank has a reputation for being cheap, fast, and reliable. Able to run on anything that burns, can reach up to 88 MPH in favorable off road terrain, being relatively easy to maintain, and can mount a variety of weapon systems. It maintains the Federation’s desire for modularity, with the various turrets being able to be replaced, and the casement weapon’s also able to be swapped out. Typically used for garrisons in defensive actions, the tank has a reputation for being the Colonist’s vehicle of choice, with it pulling double duty in farming, mining, forestry, and many more industries, with the Colony of Neo Novogorsk claiming it as their Planet Vehicle.

Variant:

-M-27 Mk-I-Mk-IV: Standard Main Battle Tank, armed with a Thunderstrike cannon and a co-axial 12.7mm HMG. Nicknamed “Centurion”
-M-27 Mk III CS: Close support vehicle, armed with a 240mm Hail-Mary Mortar mounted in a modified turret, designed for demolition, close support, anti fortifications, and harassment fire. Also has a pintle mounted 12.7mm HMG. Nicknamed “Dustbin”
-Model 74 Tank Destroyer: Armed with a 125mm mass accelerator, with its turret removed and replaced with a
box-shaped turret.The vehicle excels in anti-armor warfare, delivering powerful disruptor shots with its hi-velocity cannon. Nicknamed “Hetzer”
-Model 67 Rocket Tank: Armed with a Spitball Rocket Launcher, this vehicle performed the role of long range artillery, providing rocket fire support for front line units. Nicknamed “Hydra”
-Model 77 Self Propelled Artillery: Modified SPG variant with a more cost-effective M779 Ultra-light weight howitzer, also designed for long range fire support for frontline units. Nicknamed “Kappa”

Specification (M29 Mark IV Improved Protection Main Battle Tank)

Height:3.56 m
Length:7.4 m
Width:3.53 m
Weight: 36 tons
Ground Clearance: 0.5m
Armor:
-240mm front
-120mm sides
-300mm turret
(actual turret protection with ablative coating and ERA is 1200mm)
-70mm rear
Speed:88km/h
Powerplant: 2x Morita Liberty turbodiesel Engines
Shielding:
-Composite armor (baseline tank hull and turret)
-NBC protection system
-EMP immune vacuum tubes
-Explosive Reactive Armor plates
Armaments:
-1x140 mm MW-97B Thunderstrike HV rifled cannon (with access to HEAT FS, HESH and APDS munitions)
-2 x Morita 12.7mm HMG (coaxial and optional anti-air)
Crew: 3 (Driver, Gunner, Commander)