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MK Diamond Products’ MK-4000 and MK-3000 saw series utilize totally enclosed fan cooled (TEFC) Baldor motors with an IP65 IEC across the line starter switch. Each series utilize a three-phase motor that can be set up for 230 volt or 460 volt to match the user’s needs. These self-propelled saws are available with 24 and 30 blade guards. The 30 hp MK-4000B series provides 66 ft-lb of torque at the blade shaft and the same hydraulic raise/lower system, self-propelled transmission and control set as other 4000 concrete saws. The saw has an on-board battery to provide 12VDC power for raise/lower function when the saw is not plugged in, and has a transformer/battery charger to recharge the system automatically anytime the saw is connected to power. The saw can also be plugged into120VAC to recharge or maintain the battery when the saw is not in use.