As a pioneer in the wood grinding industry, Diamond Z has established a global reputation for manufacturing the highest quality, most durable and most productive mobile and portable grinders available. Simple to operate and easy to service, Diamond Z Grinders focus on reliability and profitability. We offer a broad range of tub, horizontal and solid waste grinders to suit any application. From composting to construction and demolition, land clearing to tire disposal, municipal solid waste to asphalt shingle grinding, nothing out grinds a Diamond Z.