With unclear prospects: South Korean tank K21-105 for the Indian army

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Layout tank K21-105 on display. Photo by Wikimedia Commons

Currently, the Indian armed forces are choosing a new light tank designed for operations in hard-to-reach areas and difficult landscapes. The South Korean company Hanwha Defense is applying for an order with its K21-105 armored vehicle project. To get a lucrative contract, the South Korean armored vehicle manufacturer offers the most active cooperation and other measures.

350 tanks


At the end of April 2021, the Indian Ministry of Defense announced its intention to acquire 350 modern light tanks and issued a corresponding request for information. By mid-June, the department wanted to receive the necessary data and proposals from domestic and foreign manufacturers of armored vehicles. Then it was planned to compare the proposed samples and choose the most successful one for subsequent purchases.



Some requirements for the desired combat vehicle were revealed. The combat weight of the new tank should be within 25 tons. At the same time, it is necessary to ensure the maximum possible indicators of protection and firepower. The mobility of the tank must correspond to the specifics of operation on different landscapes, with special attention being paid to work in mountainous areas.

In accordance with the Make in India plan, it is required to localize production as much as possible. Regardless of its origin, domestic or imported, a maximum of components and the tank itself must be assembled at Indian enterprises.

Procurement will be carried out in several stages in large quantities. However, their timing, cost and other features have not yet been specified. Probably, they will be determined by the results of negotiations with the performer and will be announced only in the future.

With unclear prospects: South Korean tank K21-105 for the Indian army
Full-fledged prototype at the exhibition. Photo military-today.com

It is assumed that the prerequisite for the launch of a new tank tender was the border confrontation with China in mountainous areas. Unlike the Indian Army, the PLA has specialized light/medium tanks capable of operating effectively in the mountains. According to the results of the announced competition, India will be able to ensure parity and level the existing threats.

Korean proposal


Applications for the Indian competition ended more than six months ago, but its current status and prospects remain unclear. Moreover, even the list of participants and contenders for the contract is unknown. Only the participation of the South Korean company Hanwha Defense with the K21-105 medium tank project was reported. The company announced its desire to compete for the Indian contract in May, a few days after the release of the request for information.

Already at that time, the South Korean company was talking about the possibility of fulfilling all the wishes of the customer. In particular, the production of tanks can be organized at the Indian enterprise Larsen & Toubro. It is already assembling South Korean K9 self-propelled howitzers for India, and such cooperation could develop.

A few days ago, Hanwha Defense revealed new details of its proposal. It is alleged that a fully equipped medium tank is presented for the competition. It has a full range of weapons, protective equipment and additional equipment. At the same time, the development company is ready to change the configuration of the armored vehicle in accordance with the requirements of the customer.

An experienced tank at the training ground. Hanwha Defense Photos

It is reported about the adoption of certain measures aimed at reducing the combat mass. Their nature and possible weight savings are not specified. The developer company indicates that the K21-105 tank in its current version is capable of fighting in the mountains. This is facilitated by a gun mount with vertical aiming angles from -10° to +42°.

Features and Benefits


The K21-105 is a state-of-the-art light/medium tank that combines limited manufacturing and operating costs with the highest possible performance. Samples of this kind, it is believed, should be of interest to poor countries or armies that have special requirements for technology.

The South Korean tank is built on the chassis of the serial K21 infantry fighting vehicle. The body of such a chassis is built of metal armor with ceramic elements. All-round protection against 14,5 mm bullets and frontal projection resistance to 30 mm projectiles are declared. It is possible to use dynamic and active protection. Fire-extinguishing equipment and anti-nuclear protection are regularly installed. Depending on the configuration, the combat weight reaches or exceeds 25 tons.

The chassis is equipped with a Doosan D2840LXE diesel engine with an HP 750 power. The six-roller undercarriage is equipped with a hydropneumatic suspension. The machine is capable of speeds up to 70 km/h on land and up to 6 km/h on water. Power reserve - 450 km.

Tank on trial. Photo military-today.com

The K21-105 is equipped with a CMI Defense CT-CV fighting compartment. This is a double turret with advanced weapons and modern fire control facilities. chief weapons the tank becomes a 105-mm rifled gun with an automatic loader, capable of using NATO standard unitary rounds and Falarick 105 guided missiles. A normal-caliber machine gun is paired with the gun. There are smoke grenade launchers. The SLA includes combined gunner and commander sights, as well as digital weapon controls.

Tank K21-105 is able to effectively deal with light and medium armored vehicles. It is possible to defeat even medium or main tanks of obsolete types. With such firepower, the armored vehicle retains mobility at the level of a serial infantry fighting vehicle, incl. the ability to overcome water obstacles by swimming. In addition, the medium tank from Hanwha Defense is cheaper than full-fledged modern MBTs.

Competition and its participants


By itself, the medium tank K21-105 looks interesting, but its prospects in the current Indian tender are not clear. It is still unknown how the tank meets the requirements of the customer. In addition, the Indian side does not comment on the South Korean proposal and the optimistic statements of the developer company.

It is noteworthy that the list of tender participants is also unknown. So far, only South Korea has reported its desire to receive an Indian order. This hardly indicates the absence of other proposals, but other contenders for the contract, for unknown reasons, are in no hurry to openly declare their participation. Perhaps in the future, India will reveal at least the most basic details of the competition.

Fire tests. Photo military-today.com

It should be recalled that a few months before the start of the tender, in the fall of 2020, information appeared in the Indian media about negotiations on the possible purchase of Russian armored vehicles. According to themes news, the Indian army became interested in the Russian "light tank" 2S25M "Octopus-SDM1". A contract for the supply of a certain number of such machines could appear before the end of the year. However, such reports were not confirmed, and no real order was reported, and the current competition generally refutes this news.

Whether the Russian Sprut-SDM1 participates in the new tender is unknown. At the same time, it can be assumed that if he participates, he has every chance of winning and receiving a contract. This will be facilitated by a successful combination of technical and combat characteristics, as well as the presence of a number of important features.

Unclear future


Apparently, India continues to consider applications and evaluate foreign models of armored vehicles. In the foreseeable future, these processes will end with the selection of the most successful tank and launch negotiations on the organization of production. What armored vehicle will be recommended for adoption is unknown. Moreover, the list of applicants is also unknown.

However, it should be expected that the competition will be brought to its logical end, and a new light / medium tank will go into service with the Indian army. The current military-political situation is forcing India to take action. Without a new tank, the country will not be able to effectively defend its interests in the disputed border areas, which will lead to new serious military and political risks.
32 comments
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  1. +4
    24 January 2022 05: 06
    105mm gun is the first minus of this machine. It is inferior to the octopus in terms of armor penetration, and as a result of its impossibility, it fights on equal terms with modern, or deeply modernized and well-protected older versions of other tanks. In addition, it is not known how Korean a craft it is, due to foreign components, South Koreans can easily lose the tender.
    1. -3
      24 January 2022 05: 47
      The plus of the Octopus caliber is lost in the vertical aiming limitation of -5 ° .. + 15 °. How can you fight in the mountains, except to try forty-degree liquid
      1. +5
        24 January 2022 07: 34
        The octopus has an adjustable clearance, due to this and using the terrain, you can significantly increase the vertical angle of the trunk.
        1. +6
          24 January 2022 08: 26
          Tank duels in the mountains?
          Only as an exception.
          Light tanks are needed to support the infantry.
          In fact - yes, self-propelled guns.
          1. +5
            24 January 2022 08: 30
            Tank duels are unlikely, but escorting columns with the destruction of firing points, ambushes, this is a common thing, if we recall the experience of Afghanistan and Chechnya.
            1. -3
              24 January 2022 08: 32
              Quote: URAL72
              Tank duels are unlikely, but escorting columns with the destruction of firing points, ambushes

              wouldn't the old Shilka be more useful?
              1. +13
                24 January 2022 08: 36
                I have combat experience, and I would gladly change the arrival of a 125mm tank HE for a burst of 30mm OFS BMP-2. My first shell shock was a tank OFS. For 20 minutes I remembered where I am and where my things are ... laughing
                1. -2
                  24 January 2022 08: 46
                  Quote: URAL72
                  I have combat experience, and I would gladly change the arrival of a 125mm tank HE for a burst of 30mm OFS BMP-2. My first shell shock was a tank OFS. For 20 minutes I remembered where I am and where my things are ... laughing

                  personal experience - strong, you can not argue
                  but I'm still talking about combat effectiveness
                2. +6
                  24 January 2022 11: 00
                  My first shell shock was a tank OFS. For 20 minutes I remembered where I am and where my things are ..
                  .
                  Good day.
                  hi
                  I have mines.
                  Both the first and the second.

                  The first shell shock is nothing - just a stupid tin soldier.
                  The second - finally I didn’t understand that I was a person and I live on planet Earth ...
                  In general - was part of the universe.
                  laughing
                  Have a nice day!!!
                  ............

                  And Indians cannot master and service Korean equipment - they will break it.
                  And even more so not to reproduce the technology.
            2. +1
              24 January 2022 18: 09
              Quote: URAL72
              Tank duels are unlikely, but escorting columns with the destruction of firing points, ambushes, this is a common thing, if we recall the experience of Afghanistan and Chechnya.

              ======
              For these purposes, the BMP-3 is just the best fit - there is just an elevation angle from -6 to +60 degrees. Moreover, there is a choice: to hit with a 100-mm smoothbore or a 30-mm rifled rapid fire ..... So the "Octopus" seems to be not really needed for this! But for the fight against heavy armored vehicles - just right!
        2. -2
          24 January 2022 11: 47
          Is the clearance regulated evenly or in parts?
      2. +3
        24 January 2022 14: 41
        Well, taking into account the fact that you don’t have to rack your brains with the purchase of 105 mm shells, having huge stocks of 125 mm shells, but this is India, they can simply choose a winner out of the blue because "he offered more in terms of localization or brought more"
    2. -3
      25 January 2022 09: 49
      It is inferior to the octopus in terms of armor penetration

      Well, only the octopus will guess to use it as a serious tool for combat with armored units. Only the octopus will receive a suo and an aiming system, which will allow it not to lean back earlier than a conditional abrams and a leopard. Well, now it only remains to turn on sufficiently massively adequate shells. I’m sitting right and I see how expensive iron sticks will be put into a car that will not fight with abrms, instead of the TURs and OFS it needs.
  2. -1
    24 January 2022 05: 46
    Chinese mountain tanks also have 105mm cannons and lighter armor, so they will have parity with the Koreans. And our Octopus is not even positioned as a tank, it is a self-propelled gun. There is no armor at all.
    1. +7
      24 January 2022 05: 49
      Konstantin hi -Does the Korean light tank have anti-ballistic armor? The same anti-bullet-anti-fragmentation!
      1. 0
        24 January 2022 05: 54
        Quote: Thrifty
        !57mm old woman jokingly "utilizes" him!

        Those. it turns out that even 105 mm of Korean and then in excess?
        Then it is necessary on our Octopus to replace the heavy bandura with this wonderful old woman and add iron with active protection. True, it will be a completely different car, and we will be doing it for another 20 years ....
        1. -1
          24 January 2022 14: 48
          then it’s better to offer them the supply of not tanks, namely the BMP-3 with a 57 mm gun
        2. +1
          24 January 2022 23: 05
          Quote: Jacket in stock
          Those. it turns out that even 105 mm of Korean and then in excess?

          so after all, the gun is not primarily for fighting enemy armored vehicles. It is unlikely that the "mountain tank" will have to face heavy armored vehicles, which require powerful weapons to defeat. For the majority of light and medium-sized guns, a 57-76-mm gun is enough for the eyes. Why put a larger caliber? Such guns (from 100 and above) have much more powerful land mines.

          "Octopus" is an anti-tank self-propelled gun, with a full-fledged tank gun. She does not fit the Indians, even if the armor is hung. Another gun is needed, less powerful, but with a large range of shots and good VN angles. As an option - something like "Vienna".
    2. -1
      24 January 2022 14: 43
      well, there is no armor if you look at it in terms of self-propelled guns, but for export ours now write "light tank" everywhere, and about the Sprut armor it weighs 18 tons, taking into account the fact that "up to 25 tons", it can easily build up armor
    3. -1
      24 January 2022 18: 41
      Quote: Jacket in stock
      And our Octopus is not even positioned as a tank, it is a self-propelled gun.

      =======
      And what is the fundamental difference? "...At least call it a pot - just don’t stick it in the stove!..." (Folk wisdom laughing )
      -----
      Quote: Jacket in stock
      There is no armor at all.

      ======
      But what, the use of hinged armor (including metal-ceramic) is already prohibited by order of the Minister of Defense? belay Can you tell me which one? ( lol )
      1. 0
        24 January 2022 22: 49
        Quote: venik
        But what, the use of hinged armor (including metal-ceramic) is already prohibited by order of the Minister of Defense?

        Not prohibited, of course. Just keep in mind that when installing additional armor, the Octopus will no longer be able to swim. And every chassis has a load limit. Do Hindus have such requirements (to overcome obstacles by swimming)? We do not know.
        In general, according to the conditions, the Vienna self-propelled guns would suit them, but, as I understand it, they want their own light tank as opposed to the Chinese "Himalayan tank" ZTQ-15 - and therefore the tank gun and all other reasons will be registered there, most likely.
        1. 0
          25 January 2022 23: 55
          Quote from Tomcat_Tomcat
          Not prohibited, of course. Just keep in mind that when installing additional armor, the Octopus will no longer be able to swim.

          =======
          First of all, it's not true! Insofar as:
          - a) increasing the level of ballistic protection according to STANAG from class 3 to class 5 (excluding resistance to explosion) - this is an increase in the weight of armored vehicles by no more than 1.5 - 2 tons .....
          - b) - the placement of ballistic protection on special waterproof (or foam-filled) boxes along the sides and in the frontal projection may not only not worsen, but even improve buoyancy (yes, yes!)
          But this is not the main thing, because the main thing is:
          Are there many water barriers in the Himalayas that CAN be forced by swimming ??? If you think that there is a lot, then you have no idea at all WHAT it is mountain rivers! They can either be forced to wade, or they cannot be forced at all! And the Himalayas are the highest mountain region in the world. There, the elevation changes are huge .... And floating equipment there can be useful only when crossing lakes .... request hi
          1. 0
            26 January 2022 09: 47
            Quote: venik
            First of all, it's not true!

            It is a fact. Because such experiments with the "troika" were set up (remote protection and screens) and after retrofitting the car did not swim through the water barrier. Take off the attachment, force the barrier, then put it back - the only way, together with all this goodness, you can only swim like a submarine.
            Quote: venik
            Are there many water barriers in the Himalayas that CAN be forced by swimming ???

            and this is what I wrote:
            Quote from Tomcat_Tomcat
            Do Hindus have such requirements (to overcome obstacles by swimming)? We do not know.
            hi
            1. -1
              26 January 2022 20: 30
              Quote from Tomcat_Tomcat
              It is a fact. Because such experiments with the "troika" were set up (remote protection and screens) and after retrofitting the car did not swim through the water barrier. Take off the attachment, force the barrier, then put it back - the only way, together with all this goodness, you can only swim like a submarine.

              ========
              Once again I repeat: NOT FACT!
              With the DZ "Cactus" - according to some reports, buoyancy is lost, but with the DZ based on the EDZ 4S24 (developed by the Research Institute of Steel) - the buoyancy of the BMP-3 is preserved .... And quite decent buoyancy! request

              And at the same time, NKDZ with elements of DZ 4S24 is quite a decent level of increasing ballistic resistance: From RPG with a level of 500 mm, from armor-piercing bullets of 14,5 mm caliber
              and 30 mm shells .....

              (Photos and data can be found in the materials of the Research Institute of Steel).
              ---------
              Quote from Tomcat_Tomcat
              and this is what I wrote:
              Quote from Tomcat_Tomcat
              Do Hindus have such requirements (to overcome obstacles by swimming)? We do not know.

              ========
              Right! They did not seem to voice the requirements for the competition (in the open press). But what we know is that the Indians showed a serious interest in Sprut-SDM. They were especially attracted by the possibility of parachute landing .... hi
              1. -1
                26 January 2022 21: 10
                In your photo - a car with 4S24, which is just called (erroneously) with DZ "Cactus". "Cactus" is the name of the OCD theme. Apparently you just didn't know?

                In fact, you are talking about the same DZ that I am talking about.
                A set of such remote sensing with screens for the "troika" weighs more than 4 tons. The car with it does not meet the requirements of the TTZ for overcoming water obstacles. It is possible that the car somehow still holds on to very calm water, but the score given by the TTZ does not withstand. And therefore, there is no need to talk about any buoyancy.
                1. -1
                  26 January 2022 22: 50
                  Quote from Tomcat_Tomcat
                  The car with it does not meet the requirements of the TTZ for overcoming water obstacles. It is possible that the car somehow still holds on to very calm water, but the score given by the TTZ does not withstand.

                  ======
                  "....Stirlitz stood "on his own" ... Only Muller could come up with such sophisticated torture!..." lol
                  It seems that the materials of the Research Institute of Steel have already been quoted! And I posted a photo of a floating BMP-3 (moreover, NORMALLY sitting in the water .... So anyway:
                  Quote from Tomcat_Tomcat
                  It is possible that the car somehow still holds on to very calm water, but the score given by the TTZ does not withstand.

                  ======
                  Well, WHERE did you get it? Well, what is the "ball" in FIG ??? Where did you see 3 or 5 points on a river or pond?
                  And on ordinary river or lake water - it keeps quite well ..... And this is with DYNAMIC (!!!) protection (against COP) I'm not even saying that the usual metal-ceramic hinged tile (at least - boron carbide ), capable of enhancing protection to the level of 12.7 AP bullets - 30-mm AP shells (in frontal projection) - i.e. to the level of a Korean car - it will weigh much less than 4 tons!
                  1. 0
                    26 January 2022 23: 17
                    Quote: venik
                    ".... Stirlitz stood" on his own "... Only Muller could come up with such sophisticated torture!..."

                    well, wait ... if you like it so much. Indeed, sometimes a person tries to hurt a counterpart, but in fact he speaks about himself)
                    I give you the facts (the fact is that the BMP-3 with DZ 4S24 (I am well aware that the developer is the Moscow Research Institute of Steel) was recognized by the Moscow Region as having lost its ability to float. You do not know when the photos were taken. Perhaps just in during the tests, as a result of which a negative verdict was issued.You do not know in what configuration the machine performed the melt, was the ammo was fully loaded, was there a landing in it?), you respond to me with your conjectures. You have already shown that you do not own some points, but you are trying to convince someone of something. Reality is a bit off paper. You, apparently, are one of those who pray for paper performance characteristics. And when "experienced" people tell something like that, he exclaims "it's impossible, you don't know anything, it's written here!".. Judge the book by one of its pages.
                    For this, I consider this topic closed with you hi
      2. 0
        25 January 2022 05: 14
        Quote: venik
        And what is the fundamental difference?

        It is clear that you are joking, but the self-propelled guns are not obliged to expose themselves to a direct shot on the battlefield, but the tank is obliged.
        But what, the use of hinged armor (including metal-ceramic) is already prohibited 
        hinged, it is hinged. Additional, not native, not complete. Yes, and you don’t hang much, the engine may not pull, in the mountains, the power drops without that.
        1. -1
          26 January 2022 21: 27
          Quote: Jacket in stock
          It is clear that you are joking, but the self-propelled guns are not obliged to expose themselves to a direct shot on the battlefield, but the tank is obliged.

          =======
          "...There is a joke in every joke..... "
          If we are talking about "classic" self-propelled guns (mainly large calibers): "Carnation", "Acacia", "Hyacinth-S" and even "Msta-S" and "Coalition" (both of the latter - on tank chassis) - then YES: not required ("expose yourself to a direct shot") but "Octopus-SDM" is not just self-propelled guns, it is - anti tank SAU!!! Well, how can it work? not being in the zone of direct fire contact (direct shot) with the enemy ??? what
          And if we forge the history of the Second World War, we can see that the Su-100 anti-tank self-propelled guns were used not only somewhere in the 3rd or 4th line of the advancing troops, but also in the ONE line with the T-34 !!! How do you like this photo:

          Or this:

          But the T-34 and SU-100 are moving forward to the initial line of attack:

          But they follow in one column:

          So, something with your thesis that "....The self-propelled guns are not obliged to expose themselves to a direct shot on the battlefield, but the tank is obliged to .....", something does not fit (as Stirlitz said) Yes
  3. +1
    24 January 2022 07: 57
    The developer company indicates that the K21-105 tank in its current version is capable of fighting in the mountains. This is facilitated by a gun mount with vertical aiming angles from -10° to +42°.

    The experience of Afghanistan says that +42° is not enough, more is needed, since the battle in the mountains often goes on. at large elevation changes. Our "Derivation-Air Defense" will be sewn by the Chinese tank "Type 15" / VT-5, since it has "Own armor should delay bullets and fragments."
    https://topwar.ru/157205-gornyj-tank-dlja-noak-tip-15.html
  4. -1
    24 January 2022 10: 19
    The main weapon of the tank is a 105-mm rifled gun with an automatic loader, capable of using NATO standard unitary rounds and Falarick 105 guided missiles.


    By the way, this ATGM is manufactured by Luch Design Bureau. Globalization in action: Ukrainian missile in a Belgian combat module on a Korean light tank.
  5. 0
    24 January 2022 17: 25
    It’s easier and cheaper to buy BMP-3M for them.