Only a diesel engine of no less than 40 horsepower can drive a 24 kW generator to drive the NB-350 second shielded welding machine.
 24 kW ≈ 32.7 HP. In order to reduce fuel consumption and premature damage caused by diesel overload, the recommended generator power is 80% of the diesel power, 32.7 ÷ 0.8 ＝ 40.875 kW.
 How big welding machine can be equipped for 40 horsepower diesel engine
 The 400 electric welding machine matched with a 40 horsepower diesel generator can be used normally. Cover welding
 The included angle between the cover welding rod and the welding direction is 85 °~90 °, and the included angle between the test plates on both sides is 90 °. The operation method of cover welding is basically the same as that of filler welding. When the welding rod swings to the edge of the groove, it needs to pause slightly, subject to the melting of 1~2mm at the edge of the groove to prevent undercut and make the weld surface flat