John Deere 310-710

John Deere had acquired a majority stake in Heinrich Lanz AG in 1956, and in 1960 the new John Deere–Lanz tractors appeared on the market. In 1964 the earlier models 300, 500 and 700 were replaced by the new 10-series models 310, 510 and 710. These tractors featured new 3- and 4-cylinder direct-injection diesels with distributor pumps, developed in the USA and built in France. The SAE power ratings reported in Finland differed significantly from the DIN figures: for example, the 710 was rated at 50 hp DIN, 55.5 hp SAE in Sweden, and 63 hp SAE in Finland.

The gearbox still offered 10 forward + 3 reverse speeds, as on the earlier 300–700 models. With the basic gearing you could reach 20 km/h, and an additional road gear increased the top speed to 27 km/h. The transmission was partly synchronized. A dual-clutch was standard, and the hydraulic system operated independently of the clutch. A 1,000 rpm PTO was standard. On the 710 the clutch diameter was 11 inches; on the smaller models it was 10 inches. The wheelbase had been extended significantly compared with its predecessors, making it quite long. The tractors were branded John Deere outside Germany and John Deere–Lanz within Germany.

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