| 摘要 |
The supporting structure or chassis made of two one-piece symmetrical and identical parts by casting a light alloy, the said parts comprising an oblong half-shell 10, a front casing which is shaped and arranged to support the motor unit driving the front wheel and a rear extension, in a plane which is advantageously above the preceding one, arranged to receive the plough beam and the ground-penetrating tool. <IMAGE>
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