Introduction This wear-resistant large gear is a direct replacement for MK8 tobacco machinery, built from sturdy alloy steel to withstand the demands of continuous production. Its precision tooth profile and anti-rust finish help cut maintenance cost and keep the drive train dependable shift after shift. Basic Info. Product name Large Transmission Gear Model UB-GR-600 Material Alloy steel Hardness High, wear-resistant Size OEM standard, customized available Compatible Models