Okwamanje, kunezinhlobo ezimbili zama-trailer ama-semi-esiqandisi.
Uhlobo lokuqala, i-trailer edidiyelwe, isho i-trailer evamile eyisiqandisi-enomzimba nohlaka olungahlukaniseki. Lawa ma-trailer-angena ngaphansi kwesigaba samaloli afakwe esiqandisini, anobude obungeqile kumamitha amane, ubude obuphelele obungamamitha angu-13.6, nobubanzi obungamamitha angu-2.6.
Uhlobo lwesibili, i-trailer ehlukanisiwe, isho i-trailer yesiqukathi esiqandisiwe -enomzimba ohlukanisekayo nohlaka. Lezi ngokuvamile ziza ngezinhlobo ezimbili: eyodwa iyi-trailer yohlaka lwamathambo engamamitha angu-45 (amamitha angu-13.95) edonsa isitsha esiqandisiwe esivamile, esingamafidi angu-45 ubude namamitha angu-2.55 ububanzi.
Olunye uhlobo yi-trailer engu-45-foot skeletal trailer edonsa isiqukathi esiguquliwe esitsheni sasolwandle esike sasetshenziswa, esingamafidi angu-45 noma angu-48 ubude namamitha angu-2.438 ububanzi. Lolu hlobo lwe-semi-trailer yesiqukathi esiqandisiwe okwamanje lubusa emakethe{6}ama-trailer ama-foot skeletal trailer awasavunyelwe e-China.
