Peb tau siv sijhawm ntev los thauj cov tsheb loj rau cov neeg ua txhaum qhov chaw nres tsheb - lawv tuaj yeem pom ntawm txoj kev ntawm txhua lub nroog. Tab sis lub tsheb thauj khoom rau lub tank yog lub tsheb txawv dua thiab siv feem ntau yog xa cov tso tsheb hlau luam mus rau lawv qhov chaw xa khoom. M25 yog ib tus qauv zoo tshaj plaws hauv hom ntawv no.
Pacific Car & Foundry Company tau hloov npe thiab lub hauv paus chaw ntau zaus. Founded as Seattle Car Manufacturing Company in 1905, today it is known as the Paccar Corporation, which owned the famous Kenworth and Peterbilt brands. Lub tuam txhab kaw nws tus kheej lub npe Pacific ntau xyoo dhau los. Ntxiv rau cov tsheb thauj khoom, lub tuam txhab tau tsim cov khoom siv tsheb ciav hlau ntawm ntau lub sijhawm thiab tau nyiaj ntau ntawm kev cog lus ua tub rog, tshwj xeeb yog tsim cov tso tsheb hlau luam.
Los ntawm kev pib ua tsov rog, kev ua tub rog nyob hauv lub tebchaws uas tsim cov tsheb thauj khoom tub rog yog Pob Zeb Diamond T tuam txhab (muaj ntau ntawm lawv nyob hauv USSR - xa hauv qab qiv -xaum thiab txawm tias tau koom ua ib feem hauv Union). Kab ntawv suav nrog Pob Zeb Diamond T 981 Tank Transporter, uas tau tsim tawm thiab muab tso rau hauv kev pabcuam xyoo 1941. Shelvoke lossis Drewry cov tsheb thauj khoom ib nrab tau txuas rau T 981, thiab tag nrho cov qauv no tuaj yeem nqa cov tsheb thauj khoom hnyav txog 30 tons, uas yog, lub teeb. Kev thauj cov tsheb hnyav hnyav tseem yog teeb meem. Pacific txiav txim siab nyem rau hauv qhov tshwj xeeb no.
M25 Tank Transporter tau tshwm sim xyoo 1943. Pacific semi-trailer tau xaj sab nrauv los ntawm Detueit-based Fruehauf Trailer Corporation, thiab kev tsim cov tsheb laij teb tau xaj los ntawm lwm lub tuam txhab, Knuckey Truck Company. Lub tshuab tau nruab nrog 240-horsepower 6-cylinder Hall-Scott 440 cav. Qhov ntxim nyiam, kev tsim M25 hais txog tshwj xeeb rau kev sib xyaw ua ke "tsheb laij teb + semi-trailer", cais ob lub ntsiab lus no tau xaiv ua M26 thiab M15. Thaum lub sijhawm ua rog, kev sib koom ua ke tau tshwm sim ntau heev - nws tau txais txiaj ntsig zoo rau cov tuam txhab los koom tes rau qhov kev txiav txim ntawm tsoomfwv, thiab tsis txhob sim ua txhua yam ib leeg.
Txij li xyoo 1943, Pacific tsim cov tsheb laij teb thiab Fruehauf cov tsheb thauj khoom. Tom qab ua tsov rog, ib tus neeg pej xeem uas tsis muaj cov cuab yeej tiv thaiv tau tsim - M26A1, uas tau tsim kom txog rau xyoo 1955. Daim ntawv cog lus ua tub rog tom ntej rau lub tsheb laij teb tau txais los ntawm Mack nrog Mack M123 tus qauv.
