Radiator for Tractors With 31'' Core Height & 36 7/8'' Core WidthRadiator for Tractors With 31'' Core Height & 36 7 8'' Core Width Jan 89 CORE HEIGHT: 31'' CORE WIDTH: 36 7 8'' CORE THICKNESS: 4 1 2'' FINS PER INCH: 10 Dimpled NUMBER OF ROWS: 8 Rows of 1 2'' Tubes on 5 8'' Centers BOLT HOLES IN HEADER: 50 TOP HEADER DIMENSIONS: 8 1 2'' X 38 5 8'' BOTTOM HEADER DIMENSIONS: 8 1 2'' X 38 5 8'' Can be installed on the following vehicles: STEIGER COUGAR IV CM STEIGER COUGAR IV KM STEIGER COUGAR IV KM 280 STEIGER COUGAR