John Deere 5090M Price, Specs, Review: John Deere 5090M Utility Tractor equipped with 4 cylinders, 4.5 L 276 cu in. John Deere PowerTech PWL Diesel Engine, Final tier 4 compliant engine technology which generates 89.2 hp at rated rpm 2200. The engine powering the john Deere 5M is EPA certified Tier Level 4. This is achieved through a combination of a Selective catalytic … [Read more...] about John Deere 5090M Tractor Price, Specs & Features