1. N-gun atsam
Gawgap ai mawdaw langai a power system ngu ai gaw, shi a power source hpe tsun mayu ai. Madung hku nna, gawgap mawdaw ni a matu n-gun atsam masa lahkawng nga ai: kata kaw wan hkru ai jak hte wan jak jak. Internal combustion engine ngu ai gaw, sau (sh) shingra wan zawn re ai wan sau ni hpe lang nna, wan hkru ai hku nna n-gun shapraw ai engine re. Electric motor ngu ai gaw, wan n-gun hpe jai lang nna, wan jak hpe shachyut ai, shinggrup ai lam (sh) shamu shamawt ai lam hpe lu la ai power system langai mi re. Internal combustion engine ni hpe gawgap mawdaw ni hta grau lang ma ai, madung gaw shanhte a n-gun kaba ai hte grup yin hte jai lang ai lam amyu myu a matu htuk manu ai majaw rai nna, wan jak motor ni gaw nta kata bungli galaw ai zawn re ai laksan bungli masa nkau mi a matu grau htuk manu ai.
2. Mawdaw ai ladat
Gawgap ai mawdaw langai a drive system ngu ai gaw, shi a mawdaw hpe shachyut ai ladat hpe tsun mayu ai. Madung hku nna, gawgap ai mawdaw ni a matu mawdaw gau ai ladat lahkawng nga ai: leng hte hkan nang ai. Wheeled gawgap mawdaw ni hpe madung hku nna municipal gawgap ai lam hte gawgap bungli masing ni hta jai lang ai, ga shadawn, cement lam nmaw ni, cement htingnu ni, asphalt kayau ai htingnu ni hta, tracked gawgap mawdaw ni hpe madung hku nna laksan bungli galaw ai shara ni hta jai lang ai, ga shadawn, lamu ga htu ai bungli masing ni, lung seng htu ai shara ni, peest, for.
3. Bungli galaw ai Attachment
Gawgap ai mawdaw langai a bungli galaw ai attachment ngu ai gaw, shi a bungli galaw ai arung arai ni hpe tsun mayu ai. Kaja wa nga yang, engineering mawdaw langai a bungli galaw ai arung arai ni hta, htu shaw ai jak, htu shaw ai jak, grader, roller, crusher ni lawm ai. Excavator gaw engineering mawdaw langai hta madung lang ai hte lang ai jak langai rai nna, madung hku nna htu shaw ai, htu shaw ai, n-gun jat ai lam ni hta lang ai. Shovel loader gaw lam ni hpe jasan jaseng na matu, arung arai ni hpe htaw na matu, shinggyin tawn da ai nhprang arai ni hpe shaw kau na matu htuk manu ai. Roller hpe madung hku nna asphalt (sh) concrete lam hpe shinggrup na matu lang ai.