CREATE TABLE table_74516 ("Model" TEXT, "Build year" TEXT, "Top speed  ( In operation )   ( km/h ) " FLOAT, "Power output  ( kW ) " TEXT, "Builder  ( Family ) " TEXT, "Total production" TEXT)

What is the power output (kw) of model hxd3d?
SELECT "Power output (kW)" FROM table_74516 WHERE "Model" = 'hxd3d'
SELECT "Power output (kW)" FROM "table_74516" WHERE "Model" = 'hxd3d'