Year of Manufacture: 2017 Number Units in Package: 1 Nominal Tons (total): 448 TR* Ammonia Tons (total): 336 TR* R-717 (ammonia) or R22 (freon). Last run with Ammonia. Design pressure: 300 PSIG Pump Requirements: 5HP, 620GPM Pump Included? NO, can purchase separately Base Heat Rejection: 6,963.60 Airflow Rate: 71,900 Internal Coil Volume: 60 Fan Motor: 30HP (2 x 15HP), Belt: B137 Top Dimensions: 14'4 L x 9'10 W x 6'6 H Top Weight: 12,800 LBS Bottom Dimensions: 14'4 L x 9'10 W x 9'1 H Bottom Weight: 5,600 LBS Other Notes about machine: After Seaboard Foods built their new engine room, we purchased their entire original engine room in Oklahoma, USA. *Tons at standard conditions: 96.3°F condensing, 20°F suction and 78°F Wet Bulb