Opal (armoured personnel carrier)

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WPT Mors
Type Armoured personnel carrier
Place of origin  Poland
Service history
Used by  Poland
Production history
Designer HSW S.A.
Mass 11,900 kg
Length 6.45 m
Width 2.86 m
Height 1.865 m
Crew 2 (+ 11 passengers)

12.7mm NSVT machine-gun
Engine SW680 diesel
245 hp
Power/weight 20 hp/tonne
Suspension Torsion bar

The Opal-I is a multi-purpose fully amphibious armoured personnel carrier developed and produced by HSW S.A.. APC is a development of MT-LB that was produced in HSW on licence. Major changes are with reworked nose section and propellers for better in water speed and manoeuvrability, new turret with 12.7 mm NSVT machine-gun instead of old with 7.62 PKT and powered-up engine. Opal-II is a stretched variant with longer chassis with 7 road wheels on each side, like the 2S1 and MT-LBu and 300 hp (220 kW) SW680T engine.


WPT Mors

(WPT for Wóz Pogotowia Technicznego - lit Technical Support Vehicle) - technical support vehicle with light crane, hydraulic dozerblade, welding equipment and an NBC detection system. The vehicle is a basic support vehicle of mechanized battalions equipped with BMP-1 IFV in Polish Land Forces.[1]

TRI Hors

(TRI for Transporter Rozpoznania Inżynieryjnego - lit. Engineering Reconnaissance Vehicle) - engineering vehicle with basic equipment. In use with Polish Land Forces.[2]

Durian firing UZR-3 mine clearing system

TRI-D Durian

It's TRI Hors additionally equipped with trailer-mounted UZR-3 mine clearing system. In use with Polish Land Forces.[3]


ISM Kroton

(ISM for Inżynieryjny System Minowania – lit. Engineer Minelaying System, Kroton is Polish for Croton) - Opal-II based engineer vehicle with mine-scattering system UMN mounted on a cargo bed. UMN consists of 4 launchers, each with 20 launch containers for anti-personnel or anti-tank mines. The ISM has a crew of 2 and a combat weight of 15.25 tonnes. It entered service with Polish Land Forces in 2004.[4]


Armoured ambulance vehicle. In service with Polish Land Forces.[5]


ZWD-10R Łowcza-3

(ZWD for Zautomatyzowany Wóz Dowodzenia – lit. Automatic Command Vehicle) - Opal-I based air defence command vehicle equipped with Łowcza system. The troop compartment section of vehicle is higher than in standard vehicle. Also known as LA-3. Vehicle is used by Polish Land Forces.



(LSPZRA for lekki samobieżny przeciwlotniczy zestaw rakietowo-artyleryjski – lit. light, self-propelled, anti-aircraft, combined gun and missile system; Sopel is Polish for Icicle) - air defence variant armed with twin 23 mm cannon and two 9M32M "Strela-2M" surface to air missiles. Vehicle designed as air-defence vehicle for mechanized units. Only prototype.[6]

LSPZRA Stalagmit

(Stalagmit is Polish for Stalagmite) - development of Sopel, based on Opal-II, armed with ELOP turret with two 23 mm Model-4216 guns and 4 Grom surface to air missiles. This variant was equipped with more advanced guiding systems. Only prototype.[6]


Ammunition re-supply vehicle for artillery units. Only prototype.


  1. ^ Militarium - WPT Mors (PL)
  2. ^ Huta Stalowa Wola Web Site - Hors
  3. ^ Huta Stalowa Wola Web Site - Durian
  4. ^ Huta Stalowa Wola Web Site - Kroton
  5. ^ Huta Stalowa Wola Web Site - Lotos
  6. ^ a b Militarium - Sopel/Stalagmit (PL)
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