The rear lift is 4550 pounds.If you ever need the specs or info in regards to a tractor, you may find this helpful. Go on the website TractorData.com - information on all makes and models of tractors . Kubota M6800-70.9 HP engine, 62 HP- PTO. You did not state the model of the bat wing, so I was unable to assist you in reference to your inquiry. Weight-?.:tractor: