... (GQ40l): Y100L-2 3kwGEAR: cast steel*The machine parts listed above have one year warranty.CENTRAL GEAR: cast steelCRANKSHAFT: ... cast steelSHAFT 1, SHAFT 2 and SHAFT 3: C45 steelCONNECTION ROD ... tempering or high frequency).PRODUCT DESCRIPTIONGEAR, CENTRAL GEAR, CONNECTION ROD,CRANKSHAFT, SHAFTS 1,2,3 and BLADES are made of high ...