Shangchai Generator SC4H115D2 Technical Parameters

Oct. 15, 2019

This article will show you the detailed technical parameters about Shangchai generator SC4H115D2. If you are interested, keep reading.

◎ POWER RATING

Engine Speed	Type of Operation	Engine Power
rpm	Type of Operation	kW	Ps
1500	Prime Power	78	106
1500	Stanby Power	86	117

1. The engine performance is as per GB/T2820
2. Ratings are based on GB/T1147.1

3. Prime power is available for an unlimited number of hours per year in a variable load application. The permissible average power output over 24 hours of operations shall not exceed 80% of the standby power rating.

4. Standby power is available in the even of a utility power outage or under test conditions for up to 200 hours of operation per year. The permissible average power output over 24 hours of operation shall not exceed 80% of the standby power rating,

◎ SPECIFICATIONS		◎ FUEL CONSUMPTION
ㅇEngine Model	SC4H115D2	ㅇPower	L/h
ㅇEngine Type	In-line, 4 strokes, water-cooled, 4 valves	25%	6.1
	Turbo charged	50%	10.3
ㅇCombustion type	Direction injection	75%	15.2
ㅇCylinder Type	Dry liner	100%	20.2
ㅇNumber of cylinders	4	110%	22.1
ㅇBore × stroke	105(4.14) × 124(4.89) mm(in.)
ㅇDisplacement	4.3(262.4) L(in3)
ㅇCompression ratio	17.3 : 1
ㅇFiring order	1-3-4-2	◎ FUEL SYSTEM
ㅇInjection timing	13.5°BTDC	ㅇInjection pump	Beiyou in-line "AD" type
ㅇDry weight	Approx.450kg (992.1 lb)	ㅇGovernor	Electric type
ㅇDimension	1012×723×1102 mm	ㅇFeed pump	Mechanical type
(L×W×H)	(39.9×28.5×43.4in.)	ㅇInjection nozzle	Multi hole type
ㅇRotation	Counter clockwise viewed from Flywheel	ㅇOpening pressure	250 kg/cm2 (3556 psi)
ㅇFly wheel housing	SAE NO.3	ㅇFuel filter	Full flow cartridge type
ㅇFly wheel	SAE NO. 11.5	ㅇUsed fuel	Diesel fuel oil

◎ MECHANISM		◎ LUBRICATION SYSTEM
ㅇType	Over head valve	ㅇLub. Method	Fully forced pressure feed type
ㅇNumber of valve	Intake 2, exhaust 2 per cylinder	ㅇOil pump	Gear type driven by crankshaft
ㅇValve lashes at cold	Intake 0.25mm (0.0099 in.)	ㅇOil filter	Full flow, cartridge type
	Exhaust 0.50mm (0.0197 in.)	ㅇOil pan capacity	High level 13 L ( 3.4 gal.)
			Low level 11 L ( 2.9 gal.)
◎ VALVE TIMING		ㅇAngularity limit	Front down 25 deg.
	Opening Close		Front up 35 deg.
ㅇIntake valve	20.9°BTDC 44.9°ABDC		Side to side 35 deg.
ㅇExhaust valve	51.7°BBDC 11.7°ATDC	ㅇLub. Oil	Refer to Operation Manual

◎ COOLING SYSTEM		◎ ENGINE DATA
ㅇCooling method	Fresh water forced circulation	ㅇWater flow	117liters/min /1500 rpm
ㅇWater capacity	6.8L ( 1.8 gal.)	ㅇHeat rejection to coolant	13.6kcal/sec /1500 rpm
(engine only)
ㅇPressure system	Max. 0.5 kg/cm2 ( 7.11 psi)	ㅇAir flow	6.2m3/min /1500 rpm
ㅇWater pump	Centrifugal type driven by belt	ㅇExhaust gas flow	14.1m3/min /1500 rpm
ㅇWater pump Capacity	117liters( 30.9 gal.)/min at 1,500 rpm (engine)	ㅇExhaust gas temp.	600 °C /1500 rpm
ㅇThermost	Wax-pellet type	ㅇMax. permissible restrictions
	Opening temp. 82°C	Intake system	3 kPa (initial)
	Full open temp. 95°C		6 kPa （final）
ㅇCooling fan	Blower type, plastic	Exhaust system	6 kPa （max）
	550 mm diameter, 9 blades	ㅇMax. permissible altitude	2000 m


◎ ELECTRICAL SYSTEM		◆ CONVERSION TABLE
ㅇCharging generator	24V×55A	in. = mm × 0.0394	lb/ft = N.m × 0.737
ㅇVoltage regulator	Built-in type IC regulator	PS = kW × 1.3596	U.S. gal = L × 0.264
ㅇStarting motor	24V×4.5kW	psi = kg/cm2 × 14.2233	kW = 0.2388 kcal/s
ㅇBattery Voltage	24V	in3 = L × 61.02	lb/PS.h = g/kW.h × 0.00162
ㅇBattery Capacity	120 AH	hp = PS × 0.98635	cfm = m3/min × 35.336
		lb = kg × 2.20462

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