Electric Motor Assembly QSJ138D-90-4000W

Create a high-detail 3D CAD model of an electric motor based on the technical drawing for SIAECOSYS QSJ138D-90-4000W.Main Specifications & Geometry:Overall Length: Total cylinder body length is 258.8 mm. Main ribbed body section length is 169 mm. Front gear housing section length is 75 mm.Main Body: Cylindrical housing with a outer diameter with cooling fins. Flange mounting circle diameter is $\varnothing 131\text{ mm}$ with a step down to $\varnothing 120\text{ mm}$ ($-0.2\text{ mm}$).Front Shaft & Spline: Splined output shaft protruding from the front housing. Keyway / Spline spec: rectangular spline D20-4, inner diameter $\varnothing 16\text{ mm}$ ($-0.5\text{ mm}$), outer diameter $\varnothing 20\text{ mm}$ ($-0.1\text{ mm}$), 6 splines of width 4 mm.Mounting Holes:Front face: 6-M8 threaded holes with 15 mm depth, arranged evenly ($6 \times 60^\circ$) on a $\varnothing 131\text{ mm}$ bolt circle diameter (BCD).Rear/Side mounting face: 4-M8 threaded holes with 15 mm depth arranged at $4 \times 60^\circ$ pattern.Features & Ports:Oil drain screw and oil drain hole on top of the front housing.Oil injection hole / oil plug on the bottom side.Breather valve positioned on the side housing.Wiring & Connector: Three heavy-gauge power cables protruding from the rear side (Yellow-U, Blue-W, Green-V) with orange outer skin insulation, length 650 mm. Includes a 6-pin DJ7061Y-2.3-11 connector for Hall sensors.

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