... water temperature, and low oil pressure;4) Standard parts: industrial type muffler, exhaust pipes, flexible exhaust bellows, vibration-damping rubber, lead ... fan6) Soundproof / weatherproof canopy optionalAlternator:a) Brushless, self-excited, 4-pole, single bearingb) AVR self-regulated, voltage regulation rate ≤± 1%c) IP21 ...