tender for purchase of generator set , diesel generator set:- specifications: a ) power genset rating prime power , genset output ( kva/kw ) 62 . 5/50 , engine type tcac , no . of cylinders/cylinder arrangement 3 / inline , b ) displacement ( l ) 3 . 66 , bore & stroke ( mm ) 108x133 , compression ratio 1 . 8 , rated rpm 1500 , governor: type /class of governing mechanical/g2 , over speed trip ( rpm ) 1650 . c ) engine electrical system: 50hz , charging alternator voltage /current ( dc ) 12v /35amps , starter motor rated voltage ( dc ) 12 , battery voltage ( dc ) / capacity ( ah ) 12v . d ) fuel system: recommended fuel hsd , fuel tank capacity ( ltr ) 150 . e ) cooling system : cooling system is designed for max ambient temp , deg . c at rated load 50 , radiator system capacity , including engine , ( l ) 20 ltr , water pump type centrifugal , gear driven . f ) alternator specification: type 4 pole , rotating field , exciter type brushless ( permanent magnet optional ) , coupling flexible disc close coupled . g ) standard scope of supply: engine with direct injection . water cooled engine , 3 cylinder , in-line , 4 stroke , rated at 1500 rpm . h ) alternator: crompton greaves ( optional-stamford/ equivalent ) -brushless alternator - self-excited , self-regulated - class h insulation - salient pole revolving field - single bearing - automatic voltage regulator . i ) control panel: powder coated control panel manufactured with crca sheet provides: - mccb of suitable rating with short circuit protection- controller which displays voltage , current , kw , pf , frequency , kwh . - indicating lamps for load on and set running - current transformers of suitable ratings -copper cables of suitable capacity with incoming and outgoing terminations - control fuses duly wired and ferruled . j ) power cables: uninyvin copper conductor cables between alternator & control panel inside the canopy . optional items: k ) cooling system: heater kit for -20 deg . c operation / heater kit for -30 deg . cel . l ) amf & synchronizing system: amf panel / amf with auto-synchronization . m ) frel system: flexible fuel lines / ss fuel lines / fuel pressure gauge enclosed unit .