Power: 66 hp[B] Date of manufacture : 1940 - 1950
Production Manufacturer: Allis Chalmers Type: Agricultural Crawler tractor Factory: Springfield, Illinois, USA Total built: 1,803 Allis Chalmers HD7 Power Drawbar (claimed): 45 hp 33.6 kW Belt (claimed): 60 hp 44.7 kW Drawbar (tested): 57.31 hp 42.7 kW Belt (tested): 68.68 hp 51.2 kW Allis Chalmers HD7 Engine Mechanical Chassis: crawler Cab: Open operator station. Transmission: 4-speed sliding gear Photos Allis Chalmers HD7 photos... Dimensions & Tracks Weight: 14000 lbs 6350 kg tracks Full dimensions and tracks ... HD7 Serial Numbers Location: Serial number stamped on the right-rear of the transmission case or on a plate near the instrument panel. 1940: 3 1941: 503 1942: 1137 1943: 5403 1944: 5753 1945: 8949 1946: 12091 1947: 13078 1948: 15122 1949: 16752 1950: 18086 how to read serial numbers...

Allis Chalmers FD5	Power: 50 hp	Date of manufacture : 1963 - 1964

Allis Chalmers HD3	Power: 36 hp[P]	Date of manufacture : 1960 - 1968

Allis Chalmers HD5	Power: 47 hp[B]	Date of manufacture : 1946 - 1955

Allis Chalmers HD6	Power: 57 hp	Date of manufacture : 1955 - 1974

Allis Chalmers HD7	Power: 66 hp[B]	Date of manufacture : 1940 - 1950

Allis Chalmers HD9	Power: 93 hp[B]	Date of manufacture : 1951 - 1955

Allis Chalmers HD10	Power: 95 hp[B]	Date of manufacture : 1940 - 1950

Allis Chalmers HD11	Power: 130 hp	Date of manufacture : 1955 - 1965

Allis Chalmers HD14	Power: 161 hp[B]	Date of manufacture : 1939 - 1947