We present the structure of Ln(30)Ru(4+x)Sn(31-y) (Ln = Gd, Dy) and the anisotropic resistivity, magnetization, thermopower, and thermal conductivity of single crystal Ln(30)Ru(4+x)Sn(31-y) (Ln = Gd, Tb). Gd30Ru4.92Sn30.54 crystallizes in a new structure-type with space group Pnnm and dimensions of a = 11.784(1) angstrom, b = 24.717(1) angstrom, and c = 11.651(2) angstrom, and V= 3394(1) angstrom(3). Magnetic anisotropy and highly anisotropic electrical transport behavior were observed in the single crystals of Gd30Ru4.92Sn30.54 and Tb30Ru6Sn29.5. Additionally, the lattice thermal conductivity of Tb30Ru6Sn29.5 is quite low, and a comparison is made to other Sn-containing compounds.