Plant and machinery is all the machines, equipment, installations, apparatus, tools and motor vehicles used by a business. It refers to all assets which are used by a business for the purpose of the business, which is not stock for resale. Plant and machinery can be used for capital allowance for tax purposes. In a lot of industries, plant and machinery refer to specialist equipment such as diggers, loaders, excavators and more. In general, this is equipment used in construction, landscaping, site investigation and forestry.