I-Peterbilt 379 yigama eliyisithonjana emhlabeni wonke wamaloli asindayo aseMelika, adume ngokusebenza kwawo okunamandla, isitayela esihlukile, nokuqina okungenakuqhathaniswa. Phakathi neminyaka edlule, ibone izizukulwane ezihlukahlukene nezibuyekezo, isakhiwo ngasinye siphezu kwendawo eyandulelayo. Kulesi sihloko, sizothatha uhambo phakathi neminyaka nezizukulwane ze-Peterbilt 379.
The Peterbilt 379 yethulwa ngo-1986 njengelandela i-Peterbilt 359 ephumelele kakhulu. Yazuza njengefa isitayela sakudala se-359 nesivalo sayo eside namalambu ayisiginesha ayisiyingi kodwa ahlanganisa ubunjiniyela besimanje nezici zedizayini. Lesi sizukulwane sabeka inkundla yokuduma okungapheli kwe-379.
Idizayini yakudala ye-Peterbilt 379 yahlala ingashintshile kakhulu phakathi nokukhiqizwa kwayo kusukela ngo-1986 kuya ku-2007. Izibani zangaphambili eziyisiyingi eziyisithombe, igrille ebabazekayo, kanye nehood ende, etshekile kwabonakala ngokushesha emigwaqweni emikhulu yonkana e-United States. Ibitholakala ngezindlela ezehlukene, okuhlanganisa ama-sleeper cabs, ama-day cab, nama-wheelbase ahlukene ukuze ihlangabezane nezidingo ezahlukene zabashayeli bamaloli.
I-Peterbilt 379 yaziwa ngokusebenza kwayo ngamandla, inezinketho zenjini kusukela kuCaterpillar C15 kuya kuCummins ISX. Lezi zinjini zinikeze amandla amaningi amahhashi kanye ne-torque yokudonsa imithwalo esindayo ebangeni elide. Ngaphezu kwalokho, inikeze ikhabhi evulekile futhi enethezekile enezici ezifana nezihlalo zokuhamba emoyeni, okuyenza ibe intandokazi kubashayeli bamaloli ahamba isikhathi eside.
Ngo-2007, i-Peterbilt 379 yaphawula ukuphela kokukhiqizwa kwayo. Lesi sinqumo sasiqhutshwa yimithethonqubo eqinile yokukhipha igesi umklamo okhona owawungakwazi ukuhlangabezana nawo. Lokhu kwaphawula ukuphela kwesahluko esibalulekile emlandweni kaPeterbilt.
Naphezu kokuphela kokukhiqizwa kwayo, impahla ye-Peterbilt 379 iyaqhubeka. Idizayini yayo yakudala kanye nedumela lokuthembeka kuyenze yaba into eqoqwayo kubathandi bamaloli. Amaloli angu-379 ahlala ewuphawu lwamaloli aseMelika, futhi amaningi alamaloli abuyiselwa ngothando futhi aziswa abanikazi bawo.
Ngemuva kokuyekiswa kwe-379, i-Peterbilt 389 yethulwa njengendlalifa yayo. I-389 igcine isitayela se-Peterbilt sakudala ngenkathi ihlanganisa ubuchwepheshe besimanje kanye ne-aerodynamics ethuthukisiwe ukuze ihlangabezane nezindinganiso zakamuva zokukhishwa kwekhabhoni. Iqhubekisela phambili isiko le-379 ekunikezeni amandla, isitayela, nokuthembeka.
I-Peterbilt 379 imele inkathi yegolide emlandweni wamaloli waseMelika. Idizayini yayo yakudala nokusebenza okuqinile kushiye uphawu olungenakucimeka embonini. Nakuba ukukhiqizwa kwe-379 sekuphelile, umoya wayo uhlala ezinhliziyweni zabathandi bamaloli kanye nomlandeli wayo, i-Peterbilt 389. I-Peterbilt 379 iyohlale ikhunjulwa njengophawu lwamandla, isitayela, kanye nempahla ehlala njalo emgwaqeni ovulekile.