The John Deere 9520RT is an agricultural crawler tractor from the 9R Series produced since 2015. It features a powerful 13.5L 6-cylinder diesel engine with Tier IV emissions and selective catalytic reduction. The tractor delivers 520 hp rated power and up to 572 hp maximum power. It uses an e18 PowerShift transmission with 18 forward and 6 reverse gears. The 9520RT has a crawler drive, hydraulic wet disc brakes, and optional hydraulic trailer brakes. It includes a Command View Cab III with air-conditioning and is AutoTrac and JDLink ready. Fuel capacity is 350 gallons, with additional capacities for exhaust fluid and hydraulics. The tractor hitch supports up to 20,000 lbs rear lift and a Cat. 5 HD drawbar. The rear PTO is independent and electro-hydraulic with a 1000 rpm type. The tractor weighs about 44,910 lbs shipping weight and can be ballasted to 54,000 lbs. It offers 30 or 36 inch track widths and advanced hydraulic options for flow and pressure.