Power: 67 hp[B] Date of manufacture : 1931 - 1937
Production Manufacturer: Caterpillar Factory: Peoria, IL Caterpillar Fifty Power Belt (tested): 61 hp 45.5 kW Caterpillar Fifty Engines Mechanical Chassis: crawler Dimensions & Tracks 60-inch tracks Full dimensions and tracks ...

Caterpillar Diesel Sixty	Power: 85 hp[B]	Date of manufacture : 1931 - 0000

Caterpillar Diesel Sixty-Five	Power: 85 hp[B]	Date of manufacture : 1931 - 1932

Caterpillar Diesel Thirty-Five	Power: 50 hp[B]	Date of manufacture : 1933 - 1934

Caterpillar Fifteen	Power: 22 hp[B]	Date of manufacture : 1929 - 1933

Caterpillar Fifty	Power: 67 hp[B]	Date of manufacture : 1931 - 1937

Caterpillar Forty	Power: 54 hp[B]	Date of manufacture : 1934 - 1936

Caterpillar RD4	Power: 44 hp[B]	Date of manufacture : 1935 - 1940

Caterpillar RD7	Power: 75 hp[B]	Date of manufacture : 1935 - 1940

Caterpillar RD8	Power: 114 hp[B]	Date of manufacture : 1935 - 1936