LB 30

LB 30 bụ onye na-esote igwe mgbọrọgwụ rotary a na-enyocha LB 24-270. Torque ya bụ 297 kNm – mmụba 10 % na-atụnyere onye na-esote ya. Mgbọrọgwụ na ngwa Kelly, double rotary head na continuous flight auger bụ ụzọ ndị a na-ejikarị. Igwe a nwere ike ibugharị na usoro onye ndu nke a na-emegharị nke na-enye ohere maka oge setịpụrụ ngwa ngwa na saịtị ọrụ. Ụdị ala siri ike na-enye nkwado dị mma. Onye ndu nwere ike ijikwa torque dị elu ma na-emekwa ka ike dị elu nke usoro rope crowed. Nke a na-enye ohere maka mgbọrọgwụ ziri ezi na ngwa ngwa.