# Drawing a motor shaft in TikZ

I'd like to create a picture like the one with TikZ:

I've already created the electrical part using circuitikz. I'd like to add the part on the right (the motor's shaft with arrows), but don't know how to start, actually. Is there a way to draw 3D shapes, maybe? Or should I draw circles and rotate them?

\documentclass{article}
\usepackage{tikz}
\usetikzlibrary{intersections}
\usepackage{circuitikz}
\usepackage{siunitx}

\begin{document}

\begin{figure}
\centering
\begin{circuitikz} \draw
(0,0) to [V, v=$v(t)$, *-*] (0,2)
to [R, l=$R_d$] (2,2)
to [L, l=$L_d$] (4,2)
to [V, v<=$e(t)$] (4,0) to [generic] (4,2) -- (4,0) -- (0,0);
\end{circuitikz}
\end{figure}

\end{document}

What I have now:

What I'm still missing:

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Take a look at Drawing simple 3D cylinders in TikZ – Jake Jun 22 '12 at 13:15