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Konstrukta Defence of Slovakia unveils DIANA a new 155mm tracked self-propelled howitzer.

Land Platforms
MSPO 2015: Slovak-Polish Diana SPH debuts in Kielce
Remigiusz Wilk, Kielce - IHS Jane's Defence Weekly
04 September 2015
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Konstrukta Defence completed its prototype Diana SPH a week before MSPO. Source: Remigiusz Wilk
Slovak company Konstrukta Defence unveiled a prototype of the 155 mm Diana tracked self-propelled howitzer (SPH) at Poland's MSPO defence exhibition, held in Kielce from 1 to 4 September.

Developed for an Indian artillery tender, the Diana SPH consists of a Slovakian autonomous turret armed with a 155 mm L55 gun mounted on the Polish Bumar-Labedy UPG-NG tracked chassis.

"The Diana howitzer was developed for an Indian army tender, but there are three more customers interested in a tracked artillery system," Konstrukta Defence General Manager Roman Usiak told IHS Jane's .

"We developed our autonomous artillery systems for the Zuzana 2 wheeled 8x8 self-propelled howitzer first and qualified the system after a year of tests in 2014, but the foreign customer also asked for the tracked chassis."

The prototype Diana SPH was completed a week before MSPO, but the decision to co-operate with Bumar-Labedy was made in June. It was preceded by the Polish-Slovak contract for 31 Rosomak-based Scipio vehicles as a part of defence co-operation between the two countries.

"The main reason we decided to select the Polish chassis designed by OBRUM is because of logistics; it shares many common components with the T-72 main battle tank, which many of our customers use," said Usiak.

IHS Jane's understands that the integration of the Slovak turret with the Polish tracked UPG-NG chassis was achieved quite quickly and without problems.

The UPG-NG vehicle was initially designed for the Krab SPH, but subsequently dropped in favour of the South Korean K9 chassis.

The UPG-NG chassis used for the Diana has been upgraded and revised but is powered by the S-12U engine: a modified version of the powerpack used in the T-72.


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