Power: 42 hp Date of manufacture : 1955 - 1956
Production Manufacturer: ATC (a part of J.I. Case) Type: Agricultural Crawler tractor Factory: Churubusco, Indiana, USA ATC 456 Power Engine: 42.5 hp 31.7 kW ATC 456 Engines Mechanical Chassis: crawler Final drives: spur gear Cab: Open operator station. Transmission: 3-speed gear Dimensions & Tracks Weight: 5125 lbs 2324 kg tracks Full dimensions and tracks ... 456 Serial Numbers 1955: 456-001 (gas) 1956: 456-040 (gas) Final: 456-078 (gas) 1955: D456-001 (diesel) 1956: D456-013 (diesel) 1957: D456-027 (diesel) Final: D456-447 (diesel) how to read serial numbers...

ATC 256	Power: 36 hp	Date of manufacture : 1955 - 1956

ATC 300	Power: 36 hp	Date of manufacture : 1954 - 1955

ATC 356	Power: 36 hp	Date of manufacture : 1955 - 1956

ATC 400	Power: 42 hp	Date of manufacture : 1954 - 1955

ATC 456	Power: 42 hp	Date of manufacture : 1955 - 1956

ATC 500	Power: 50 hp	Date of manufacture : 1954 - 1955

ATC 556	Power: 0	Date of manufacture : 1955 - 1957

ATC 656	Power: 62 hp	Date of manufacture : 1955 - 1957

ATC DT-34	Power: 31 hp	Date of manufacture : 1952 - 1954