The serial number is located on the left hand side of the engine block, just below the head. The 700 was a row-crop tractor that could be ordered with either a tricycle or wide front end. The serial number is located on the left hand side of the engine block, just below the head. The 600 incorporated improved brakes and wheel seals as well as an ASAE standard PTO. In late 1954, Ford introduced its three-digit number series tractors, which further improved upon the NAA. For more than 14 years, with over 390,000 units produced, it was the most successful model from the letter series of International Harvester. The production years spanned from 1939 to 1954. The NAA is also slightly larger than its predecessors: four inches longer, four inches higher and 100 pounds heavier at 2,840 pounds.įor 1954, The NAA was carried over, sans the Golden Jubilee badging (which is popular with collectors today), with only a gear ratio change. Farmall H tractor is a 2-plow row crop, medium-sized tractor manufactured by International Harvester. The NAA's Solid System hydraulics relied on an engine-driven hydraulic pump rather than the PTO-driven pump that was standard issue on the N tractors (this meant that the hydraulics could be operated without the PTO being engaged) and a live PTO was optional. A kerosene-burning NAA, known as the NAB, was an option but found few buyers.Ī four-speed transmission was standard on the NAA, and auxiliary gearing was available.
Ford's British Fordson tractors were readily available with diesel engines, but in the States, diesels were still uncommon. Below the NAA's new hood was a 134-cu.in., overhead-valve, gas-burning inline four-cylinder engine worth 32 hp.
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