Ratio 39.24. output 30.8. 30 HP EXPLOSION-PROOF reliance MOTOR, 1180 RPM, 230/460 VOLT, 326TC frame. class i group d. no SHAFT, or prop. brdige I-BEAMS measure 7" w x 16" d x 10-3" l. drive has appx. 2500 running hours and were maintained with the following predictive maintenance TECHNOLOGIES: (OIL, VIBRATION, I/R and motor testing analysis