Hobbywing made XERUN-3652SD-3800KV-D3.175-G2 30401052 (HW-30401052) automobile Motors motor / ESC / Cooling Fan TypeScale : 1/10thBrushed/Brushless : BLSensored/Sensorless : SDPole Count : 4Relevant ParametersKV Rating : 3800LiPo Cells : 2-3SNo-load Current(A) : 3.9Resistance(mΩ) : 5.9Size & WeightO.D.(mm) : 36mm(1.417in)Length (mm) : 52.5(2.067in)Shaft Diameter (mm) : 3.175(0.125in)fat (g) : 192(6.77oz)Shaft Length(mm) : 15(0.591in)Other ParametersTiming : 20-40 amounts (Adjustable)Applications :