Tuam Tshoj txoj kev lag luam loader tau ua kom muaj kev vam meej nyob rau ob peb lub xyoo dhau los. Tshwj xeeb yog qhov tseem ceeb thiab lub hauv paus ntawm kev txaus siab hauv lub tebchaws yog tias txhua xyoo kev tsim khoom thiab muag khoom ntawm cov khoom thauj tau tshaj 160,000 units. Txawm hais tias nyob rau hauv Suav lag luam niaj hnub no, tau tswj hwm los ntawm cov hom lag luam thoob ntiaj teb, cov khoom tsim tawm hauv tsev tseem tuav feem ntau ntawm kev ua lag luam.,
Xyoo 1978, Tuam Tshoj cov khoom thauj khoom txhua xyoo tsuas yog 1,315 units, nrog rau kev tsim tawm tsuas yog 9,454 units. Los ntawm xyoo 2007, kev muag khoom tau dhau 160,000 units, nrog rau kev xa tawm ntau tshaj 10,000 units{11}}ntau tshaj li tag nrho cov khoom tsim ua ntej kev hloov kho thiab qhib. Ib yam li ntawd, Tuam Tshoj lub tsheb bulldozer ntau lawm hauv xyoo 1978 tsuas yog 1,909 units, nrog rau kev tsim tawm ntawm 11,923 units. Ntshuam tau ntau heev nyob rau lub sijhawm ntawd, nce mus txog tag nrho ntawm 3,333 units los ntawm 1980. Tshwj xeeb tshaj yog nyob rau xyoo 1980s, imports suav txog ze li 30% ntawm kev ua lag luam. Nyob rau hauv 2007, qhov muag ntim ntawm bulldozers ntau tshaj 7,390 units, uas tsis tsuas yog nyob rau hauv lub loj feem ntau ntawm lub domestic kev ua lag luam, tab sis kuj exported ib tug loj tus naj npawb ntawm lawv. Nyob rau hauv 2007 ib leeg, lub export ntim tau mus txog 2,065 units, uas tshaj tag nrho lub teb chaws bulldozer ntau lawm nyob rau hauv 1978.
