Yup, it's that time of year again. Dozer Ice Lugs w/ TUNGSTEN Carbide Overlay by Raptor Mining. Robotically applied Tungsten Carbide overlay on Raptor Lugs for the perfect balance of TOUGH and GRIT! Sold as kits or singles for D8 - D11 Track Type Tractor Dozers. raptor@raptormining.com for a quote and/or to get you in touch with our dealer network.