Some info about polish WZT (wóz zabezpieczenia technicznego) (vehicle of technical assistance) ARV for armoured units which existing in polish OOB they were widely exported and not used only by Poland
https://en.wikipedia.org/wiki/WZT
ARV
WZT-1 build on T-55 chassis since 1970 first polish indigenous engineering armoured vehicle whih have some roots in soviet BTS-2 never exported only used by Poland also as base chassis to build SP Neva SC
here nice photos of restored WZT-1 for Museum
http://www.muzeumwp.pl/woz-zabezpiec...nego-wzt-1.php
By Unknown author - <a rel="nofollow" class="external free" href="http://www.mon.gov.pl/pliki/Image/obrazki_do_stron/strona_76_wzt1.jpg">http://www.mon.gov.pl/pliki/Image/ob...6_wzt1.jpg</a>, Attribution, Link
WZT-2 improved variant this time build on T-55A chassis. Since 1973 in LWP. Poland have 600 of them now around 80.
Export customers
- Iraq most destroyed in war 1991
- India 196 vehicles
- Yugoslavia late 80's still 16 vehicles used by Serbia probably was sold more vehicles.
By <a href="https://pl.wikipedia.org/wiki/Ministerstwo_Obrony_Narodowej" class="extiw" title="pl:Ministerstwo Obrony Narodowej">Ministerstwo Obrony Narodowej</a> - <a rel="nofollow" class="external free" href="http://www.mon.gov.pl/pliki/Image/obrazki_do_stron/strona_76_wzt2.jpg">http://www.mon.gov.pl/pliki/Image/ob...6_wzt2.jpg</a>, Attribution, Link
Nice photo of WZT-2 in LWP service
WZT-3/ WZT-3M introduced in 1988 on T-72M chassis after test in 1986-1988. around 20 produced for Poland used until 2003 when all polish vehicles were upgraded to WZT-3M more unified with PT-91.
- Yugoslavia buy in 1989 40 vehicles from poland with license rights to production know as M-84AI locally
- Croatia still have vehicles from former Yugo army
- Serbia still have vehicles from former Yugo army
- Kuwait they buy them together with Yugo tanks M-84A in 1989 they were from their production lines as M-84AI
- India they buy 228 in years 2004-2007 WZT-3M and in year 2011 production rights for 204 vehicles so they have totally 556 WZT-3M
here manufacturer website with data
https://bumar.gliwice.pl/en/strefa-militarna/o/wzt-3m
WZT-3M in polish units new camo
WZT-3 armoured recovery vehicle by
Adrian Kot, on Flickr
WZT-3M n polish units older camo
Autorstwa <a href="//commons.wikimedia.org/wiki/User:Hiuppo" title="User:Hiuppo">Hiuppo</a> - <span class="int-own-work" lang="pl">Praca własna</span>, CC BY 3.0, Link
And here in Indian service
https://www.bharat-rakshak.com/ARMY/.../0612.jpg.html
WZT-4 this time based on PT-91 chassis
as for now not used by Poland only 6 vehicles in Malaysia
- Malaysia they buy them together with PT-91 they have 6 vehicles of WZT-4
here manufacturer website with data
https://bumar.gliwice.pl/en/strefa-militarna/o/wzt-4
WZT-5 also know as ARV 3 PL
here Bumar proposing vehicle based on Leopard chassis as for now not introduced to polish army is still in development but is possible tht will be a AVR vehicle for Polish Leopard units
https://bumar.gliwice.pl/en/strefa-militarna/o/wzt-5
Engineering Vehicles
B-72 Klon build in late 70's early 80's based on WZT-2 with special manipulation device and PWL-D boxes Mine-clearing line charge devices on both sides build only in small number for LWP but more just only a prototype used by Polish army.
source
https://docplayer.pl/13981391-Osiagn...ieryjnego.html
MID (Maszyna inżynieryjno-drogowa) know also as Bizon-S
Production based this time on PT-91 parts and chassis is some why crossover of WZT-3M with WZT-4 with manipulation device. To Polish army introduced in 2000 in number 7 vehicles.
In 2003 also 3 vehicles introduced to
Malaysian army together with PT-91 and WZT-4. Malaysia received modified version
MID-M
In April 2021 also Polish army modernised their MID 5 vehicles to standard
MID-M 4 was left in older version
source
https://obrum.pl/modernizacja_mid/
Photo of MID-M for Polish army
