CA200 is Nissan straight axle fitted with R200 type gearset. It is the only (?) Nissan live axle with Salisbury/GM type differential, meaning the gear carrier built into the axle (has a non-removable center section).
GASKET-GEAR CARRIER 38353-Y0801 38353-Y0800
R31
JAPAN R31 Wagon with RB20T SOHC Turbo 1986-1990 4.11 (build dates 8601-9005)