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Shangchai G Series Engine Nameplate And Specifications

Dec. 18, 2017

This is the engine nameplate, parameters and specification part of Shangchai G series engine operation and maintenance. 

2.3 Engine Nameplate


The engine nameplate indicates the main technical data and information: engine model, order number, serial number, date of production, rated power and rated speed, which are the major basis for you to purchase service parts and for SDEC to conduct after-sale technical service. We hope you to put the information and data into the daily work record of your engine or equipment for later repair and reflection of quality problems, That is helpful to the correct settlement of your problems. The nameplate locates at the side of the gear housing. Protect it from being damaged.

 

 

 

1513562535(1).jpg 

 

MODEL

 


 

SER. NO.

 


 

ORD. NO.

 


RATED POWER/SPEED

 


 

 

PRODUCT NAME

 

 

MAX POWER/SPEED

 


 

TYPE-APPROVAL NO.

 


NET WT

 

KG

 

MAX ALT.

 

          m

 

EXCUTED STANDERD

 


 

DATE


 

EMISSION LIM


 

LICENCE NO.

 


 

MADE IN SHANGHAI DIESEL ENGINE CO., LETD. CHINA

 

 

Notice: Do not change the nameplate without our permission!

2.4 Specifications and Parameters

2.4.1 Specifications

 

Engine model

SC25G690D2

SC27G830D2

Type

 Twelve cylinders, V type, water cooled, four stroke, direct injection

Aspiration type

Turbocharged and intercooled (air - to- air)

Bore/mm   

135

135

Stroke/mm

 150

155

Displacement/L

25.8

26.6

Compression ratio

16:1

161

Starting temperature/'C

≥-5 (Without starting aid)

≥-5 (Without starting aid)

Crankshaft rotation (facing flywheel

Counterclockwise

Counterclockwise

Firing order (viewed from the front end)

1-12-5-8-3-10-6-7-2-11-4-9

(Left side cylinders: 1,2,3,4,5,6; right side cylinders: 7,8,9,10,11.12)

Rated point

Power/kW

459

565

Speed/(r/min)

1 500

1,500

 Overload

Power/kW

5052%

1 500

Speed/(r/min

1,500

1 500

Oil consumption/(g/kWh

≤0.4 (after running in)

≤0.4 (after running in}

Emissions

China Stage II

China Stage lI

Starting mode

Starting mode

Starting mode

Altitude/m

2,000

2,000

Net weigh/kg .

2,200 ± 50 (excluding radiator)

2,200±50 (excluding radiator)

Dimensions

Length/mm

1,912

 1,930

Width/mm

1,220

1,220

Height/mm

1,872

1,872

 

 

Note: 1) The listed engine performance data are those of the base engines, which are obtained at the standard test conditions: ambient temperature is 25'C, relative humidity is 300h and barometric pressure is 100 kPa. The data of a specific engine refer to the nameplate of the engine.


         2) When the engine operates on over 2.000 meters above the seal level, its power output will decrease and its performance become bad. So it is required to reduce the engine power output when it runs at altitude higher than 2,000 meter. It is not recommended to run the engine over 4,000 meters above the sea level.

 

2.4.2 Parameters

 

 

Engine model

 

 

SC25G69D2

 

SC27G830D2

 

Exhaust temperature (before turbine)/℃

 

≤700

 

Oil temperature in oil pan/℃

 

Max. allowable

 

115

Operation range

90-110

Pressure of oil in main gallery/MPa

@rated speed

≥0.25

@idle

≥0.1.(when oil temperature ≥75℃)

 

Oil pan capacity

 

 

About 42

 

Lubricating system capacity/L

 

 

About 65

 

Minimum coolant temperature (inlet) /℃

 

 

60

 

Maximum coolant temperature (outlet)/℃

 

100

 

 

Proper operational water temperature rang/℃

 

 

75-96

 

Electronic governor performance

 

 

Min. Stable idle speed/(r/min)

 

 

900

 

Fluctuation at Min. Stable idle speed /(r/min)

 

 

±30

 

Sudden unloading at one-hour power condition:

Transit governing rate/%

Stable governing rate /%

Stable speed recovering time/s

 

 

 

 

≤8

1

≤3

 

 

 

Battery

 

 

Min. Recommended battery capacity/Ah

 

 

195

 

Battery current of at -18℃ for cold starting /CCA

 

 

1,250

 

Voltage/V

 

 

24

 

Starting motor

 

 

Voltage /V

 

 

24

 

Power /KW

9

 

Alternator

 

 

Voltage/V

 

 

28

 

Current /A

 

 

55

 

Rated power/A

 

 

1.5

 

* The capacity of a battery should be properly increase for a starting with higher requirement.

 

2.4.3 Application Requirement

 

The table below gives requirements on engine operational data and maximum power output because ambient condition has a great effect on the operation of a turbocharged engine with air-to air inter cooler. It is required to choose proper intercooler, radiator, muffler and connecting pipeline according to the requirements listed in the table, maintain the air filter timely, and control engine load to avoid overloaded operation that will lead to damage to the engine.

 

 

 

Ambient

Temperature/℃

Speed r/min

Max. Power allowance/kw

 

Inter-cooler outlet temperature

Inter-cooler pressure drop/KPA

 

Engine outlet coolant temperature

 

Oil temp (in oil pan)/℃

 

Intake resistance/kPa

 

 

Exhaust back pressure/kPa

≤30

 

1,500

610

≤50

≤6

<100

≤115

≤3

≤6

40

1,500

585

≤60

≤6

<100

≤115

≤3

≤6

50

1,500

550

≤70

≤6

<100

≤115

≤3

≤6

 

For the information about Shangchai G series diesel engine operation and maintenance, please visit:


Shangchai G Series Diesel Engine Operation And Maintenance Manual



 


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