Sound Rating Operator's Ear 79 dBa Tires - 425 Front Tubeless 16 x 7.50 - 8 Rear Tubeless 23 x 10.50 - 12 Tires - 445 Front Tubeless 18 x 8.50 - 8 Rear Tubeless 26 x 12.00 - 12 Recommended Lubricants Engine Oil John Deere TURF-GARD Engine Coolant Pre-Diluted Diesel Engine Anti-Freeze/Summer Coolant Transmission Oil John Deere Low Viscosity HY-GARD (J20D) Grease John Deere MOLY HIGH TEMPERATURE EP GREASE John Deere HIGH TEMPERATURE EP GREASE (Specifications and design subject to change without notice.) 132