Dana 60 axles are commonly used here for three-quarter ton trucks (Ram 2500, Ford 250, etc), and for making a USDM NPR into an NPS. That axle is rated by Dana from 4500 - 7500 pounds depending on hubs, brakes, wheels, tires, gear ratio, width, etc.
3100 kg = <6900 pounds. So, you would need a...