Semi-adag ayaa la hakiyay, kororka sare, mashiinka elektaroonigga ah ee tier,, hydrostatic oo si joogto ah isu gudbinta, u dhigma awood buuxda, xakamayn otomaatig ah nidaamka qaboojinta madaxbannaan.
Cagaf -cagaflaha SD6KLGP waxaa ku qalabeysan mashiinka kontoroolka korontada III ee taayirrada, bamka hawo -mareenka iyo mootada, saddex marxaladood oo hoos u dhigista xawaaraha meeraha, dhexe dhexe4d nidaamka qaboojinta, gudbinta xakamaynta saamiga korontada iyo koontaroolka hawo -mareenka.
Bulldozer -ka SD6K waxaa ku qalabeysan mashiinka taayirrada II, bamka hawo -mareenka iyo mootada, saddex marxaladood oo hoos u dhigista xawaaraha meeraha, dhexdhexaadinta4d nidaamka qaboojinta, gudbinta xakamaynta saamiga korontada iyo xakamaynta hawo -mareenka.
SD5K waa nooca cagaf-cagaf cagaf-cagaf-cagaf leh oo la hakiyay nus-adag, heerka koontaroolka elektiroonigga ah Ⅲ, laba-wareeg oo ah nidaamka wadista korantada ee korantada korantada, koontaroolka korantada oo xiran xamuulka diraya hirgelinta nidaamka hiddaha.