Symmetric intermediate energy heavy-ion collisions are studied in the Boltzmann-Nordheim-Vlasov theory, where the collision dynamics is determined by the mean field, the Pauli principle, and the NN scattering cross-sections. Differences between the parallel ensemble and the full ensemble approaches are enumerated. The effect of the model equation of state on the transverse momentum transfer is delineated and shown to be comparable in magnitude to that of the EOS. The mass dependence of the transverse momentum transfer and collective flow angle is discussed.