DIN6zida zopumira Seti ndi gawo lofunikira kwambiri mu ma gearbox a njinga zamoto, zomwe zimapereka mphamvu yotumizira bwino kuti igwire bwino ntchito. Yopangidwa kuti ikwaniritse miyezo yokhwima ya DIN, ma gear awa amatsimikizira kulondola kwambiri komanso kulimba, kofunikira kwambiri popirira zovuta zogwirira ntchito ya njinga zamoto. Seti ya giya ya spur imathandizira kusintha kwa giya kosalala, kukulitsa luso la wokwerayo popereka mphamvu yokhazikika komanso kuthamanga.
Zopangidwa ndi zipangizo zapamwamba kwambiri, magiya a DIN6 spur amakhala ndi mphamvu yolimba yotha kutha, amachepetsa zosowa zosamalira ndikuwonjezera nthawi ya giya la gearbox. Kapangidwe kake kamalola kuti injini ikhale ndi malo ochepa, zomwe zimapangitsa kuti malo azikhala bwino popanda kuwononga magwiridwe antchito. Pamene njinga zamoto zikusintha, kuphatikiza ukadaulo wapamwamba wa magiya a spur kumapitilizabe kuchita gawo lofunikira pakukweza magwiridwe antchito onse komanso khalidwe la kuyendetsa, zomwe zimapangitsa kuti giya la DIN6 spur likhale lofunikira kwambiri paukadaulo wamakono wa njinga zamoto.
Tili ndi zida zapamwamba zowunikira monga makina oyezera a Brown & Sharpe atatu, malo oyezera a Colin Begg P100/P65/P26, chida choyezera cha German Marl cylindricity, choyezera roughness cha Japan, Optical Profiler, pulojekitala, makina oyezera kutalika ndi zina zotero kuti tiwonetsetse kuti mayeso omaliza achitika molondola komanso mokwanira.