design, manufacture, testing, delivery, on site erection and commissioning of a self-propelled, crawler mounted dozer having engine rated horse power of atleast 320 hp capacity design, manufacture, testing, delivery, on site erection and commissioning of a self-propelled, crawler mounted dozer having engine rated horse power of atleast 320 hp capacity , item description , design, manufacture, testing, delivery, on site erection and commissioning of a self-propelled, crawler mounted dozer having engine rated horse power of atleast 320 hp capacity (including necessary spares and consumables for 5 years (1year + 4years) i.e. for warranty period of 01 year (12 months) and there after 04 years (48 months).