tender for supply of mini excavator machine supply and delivery at site of 1 ( one ) numbers of mini excavator machine for north dum dum municipality as per specifications , supply of mini excavator machine as per specifications: , technical specification of mini excavator operating weight a ) 2650-2870kg engine a ) gross power: 20-25hp @ 2100-2500 rpm. b ) alternator: 65-70a undercarriage a ) track type: sealed and greased b ) track adjustment: grease cylinder type. c ) track idler: sealed and lubricated, with d ) spring enhanced recoil. e ) track shoe: 250 mm / 300 mm f ) rollers and shoes ( each side ) hydraulic system power modes pumps a ) main pumps: variable gear type. b ) maximum flow: 66-71lpm ( main ) . track drive a ) travel speed: high: 4.5-5.5 km / hr, low: 2.5-3.5 km / hr b ) tractive efforts: 5500-5700 kgf service capacities a ) fuel tank: 30-56 lt b ) engine coolant: 5-10 lt c ) engine oil: 3-5 lt d ) hydraulic system: 60-75 lt e ) hydraulic tank: 35-45 lt swing system a ) swing motor: axial piston type. b ) swing brake: hydraulic braking assisted by c ) spring applied disc- type d ) parking brake. e ) final drive: planetary reduction. f ) swing gear: large diameter, internally toothed g ) fully sealed grease bath lubricated. h ) swing speed: 9-10 rpm performance a ) max digging force-bucket-18-23.5 kn, arm-12-17kn b ) max digging depth-2700-2950mm c ) max cutting height-4480-4500mm d ) max dumping height-2900-3300mm e ) max wall cut depth-2000-2400mm f ) min front swing radious-1800-2200mm g ) swing speed-9-10 rpm bucket a ) capacity: 0.07-0.08cum warranty 1 year / 2000hours.