The files you need to unpack for LispWorks (32-bit) on Solaris are lw61-sparc.tar and lwdoc61-unix.tar .
lw61-sparc.tar
lwdoc61-unix.tar
The LispWorks image is
./lispworks-6-1-0-sparc-solaris
LispWorks Release Notes and Installation Guide - 23 Dec 2011