We present three-integral dynamical models for the three Local Group dwarfelliptical galaxies: NGC147, NGC185, and NGC205. It is the first time modelsare constructed for the Local Group dEs that allow for the presence of darkmatter at large radii and that are constrained by kinematics out to at leastone half-light radius. The B-band mass-to-light ratios of all three galaxiesare rather similar, (M/L)_B = 3-4. Within the inner two half-light radii, about40-50% of the mass is in the form of dark matter, so dEs contain about as muchdark matter as bright ellipticals. NGC205 and NGC147 have a relatively isotropic velocity dispersion tensorwithin the region where the internal dynamics are strongly constrained by thedata. Our estimated inclination for NGC185 is i ~ 50 degrees because in thatcase the model has an intrinsic flattening close to the peak of the intrinsicshape distribution of dEs and it, like the best fitting models for NGC147 andNGC205, is nearly isotropic. We also show that the dynamical properties of thebright nucleus of NGC205 are not unlike those of a massive globular cluster.
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