You may want to also check the parking brake. The drum brake on these things can leak gear oil as well, and my spray it as it rotates. If it is leaking there you will need to replace the seal inside.
1995 NAS Defender 90 AA Yellow #2986: Current
1993 NAS Defender 110 #375/500: Sold
1995 NAS Defender 90 Soft Top Beluga Black #2556: Sold
1991 Range Rover Hunter Green: Sold
1997 NAS Defender 90 Station Wagon Portofino Red #128: Sold
1993 NAS Defender 110 Beluga Black #215/500: sold