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OTA tractor - reg 702 DVW at Cromford 08 - P8030365

A OTA tractor fitted with strakes to improve tracton. Seen at the Cromford Steam Rally 2008

OTA co-op blue

Mk 1 cast alluminum front ( OTA )

The Oak Tree Appliances Co. of Coventry England, built a light tractor (often called the OTA tractor) in the late 1940's / early 1950s before selling the design to Singer in 1953.

HistoryEdit

The company was based in Coventry, England. They initially produced 12 prototypes to start with and sent them to farms within the local area to test them out, they were a big hit with farmers because they tip toed over areas which larger tractors would have had trouble with said one of them. So they went into production in 1950 with the Mark l.

The design featured a single front wheel with motorcycle style forks that was steered by a cable system. Early machines had the letters OTA in the grill. The frame was a channel section with a cylindrical fuel tank behind the seat. The engine was a Ford E93A side valve unit that had the less common 1324 firing order. The tractor was also fitted with a single acting hydraulic ram for the implement linkage driven by an engine belt driven pump. On the road, the tractor was capable of considerable speed. The front grill was a very large aluminium casting.

Model rangeEdit

  • O.T.A. MKl (cast front) Serial Numbers commence with 1000
  • O.T.A. MK II (sheet metal front) Serial Numbers commence with 1280
  • O.T.A. MK ll (sheet metal front with 5000 series transmission) Serial Numbers commence with P5000
  • Monarch MK lll (O.T.A. and Singer produced tractors) O.T.A. Monarch Serial Numbers commence with 10,000. Singer Monarch MT 1 to MT 276
  • Monarch MK lV (Singer produced tractors) Serial Numbers MT 277 to MT 290

PreservationEdit

A few are still about as they were a compact 3 wheeler for market garden use.

Later 4 wheeled versions

PricesEdit

  • One for sale in the USA was offered at $5,000 [1]

GalleryEdit


See alsoEdit

References / sourcesEdit


External linksEdit

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