supply of various agricultural machinaries for departmental farms in palakkad district machinaries , machineries , brush cutter-4 stroke , forced air cooled petrol engine ( hp greater than 1 . 5 ) operated unit having recoil starter . overall weight of the unit should be less than 8 . 5 kg , fuel tank capacity not less than 0 . 60 ltr and with tap & go assembly , 2 or 3 teeth blade , belt , 50m nylon rope , tool kit and safety equipments supplied by the manufacturer . , rotavator 42 blade-heavy duty 42 blade gear type with adjustable depth setting suitable for tractor in the range of 40-60 hp , chain saw-2 stroke with petrol engine power with the range 3 . 0-5 . 5 hp cutter length between 450-500mm . weight should not more than 5 kg , tree pruner-manual telescopic tree pruner with overall weight more than 3 kg , overall length should be above 500 cm and compressed pole length should be less than 200 cms , tree pruner petrol engine operated with 4 mix engine automatic with 0 . 95 kw power with a pole length of 12 feet