它由液壓控製，主要零部件有製動盤
、分泵
、製動鉗

、youguandeng。zhidongpanyonghejingangzhizaobinggudingzaichelunshang
，suichelunzhuandong。fenbenggudingzaizhidongqidedibanshanggudingbudong。zhidongqianshangdelianggemocapianfenbiezhuangzaizhidongpandeliangce。fenbengdehuosaishouyouguanshusonglaideyeyazuoyong，tuidongmocapianyaxiangzhidongpanfashengmocazhidong，dongzuoqilaijiuhaoxiangyongqianziqianzhuxuanzhuanzhongdepanzi，poshitatingxialaiyiyang。

        這(zhe)種(zhong)製(zhi)動(dong)器(qi)散(san)熱(re)快(kuai)
，重(zhong)量(liang)輕(qing)，構(gou)造(zao)簡(jian)單(dan)，調(tiao)整(zheng)方(fang)便(bian)。特(te)別(bie)是(shi)高(gao)負(fu)載(zai)時(shi)耐(nai)高(gao)溫(wen)性(xing)能(neng)好(hao)，製(zhi)動(dong)效(xiao)果(guo)穩(wen)定(ding)，而(er)且(qie)不(bu)怕(pa)泥(ni)水(shui)侵(qin)襲(xi)，在(zai)冬(dong)季(ji)和(he)惡(e)劣(lie)路(lu)況(kuang)下(xia)行(xing)車(che)
，盤(pan)式(shi)製(zhi)動(dong)比(bi)鼓(gu)式(shi)製(zhi)動(dong)更(geng)容(rong)易(yi)在(zai)較(jiao)短(duan)的(de)時(shi)間(jian)內(nei)令(ling)車(che)停(ting)下(xia)。有(you)些(xie)盤(pan)式(shi)製(zhi)動(dong)器(qi)的(de)製(zhi)動(dong)盤(pan)上(shang)還(hai)開(kai)了(le)許(xu)多(duo)小(xiao)孔(kong)
，加(jia)速(su)通(tong)風(feng)散(san)熱(re)提(ti)高(gao)製(zhi)動(dong)效(xiao)率(lv)。反(fan)觀(guan)鼓(gu)式(shi)製(zhi)動(dong)器(qi)，由(you)於(yu)散(san)熱(re)性(xing)能(neng)差(cha)
，在(zai)製(zhi)動(dong)過(guo)程(cheng)中(zhong)會(hui)聚(ju)集(ji)大(da)量(liang)的(de)熱(re)量(liang)。製(zhi)動(dong)蹄(ti)片(pian)和(he)輪(lun)鼓(gu)在(zai)高(gao)溫(wen)影(ying)響(xiang)下(xia)較(jiao)易(yi)發(fa)生(sheng)極(ji)為(wei)複(fu)雜(za)的(de)變(bian)形(xing)
，容(rong)易(yi)產(chan)生(sheng)製(zhi)動(dong)衰(shuai)退(tui)和(he)振(zhen)抖(dou)現(xian)象(xiang)，引(yin)起(qi)製(zhi)動(dong)效(xiao)率(lv)下(xia)降(jiang)。