John Deere Z515E ZTrak™ Mower Export to Excel Engine power 24 hp17.9 kW Engine model number M44 Extended Life Series (ELS) Forward speed 0-8 mph0-12.9 km/h Front caster tires 13x6.5-6 Drive tires 22x9.5-10 Seat back height Medium back with armrests, 18 in.45.7 cm ...