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The SDEC 4HT4.3-G21 is a compact, 4-cylinder, 4.3L turbocharged and intercooled diesel engine designed for generator sets. It typically provides a prime power output of 45 kW (56.25 kVA) at 1500 RPM or up to 62 kW at 1800 RPM. It is known for high reliability, low fuel consumption, and is ideal for industrial or backup power applications.

Key Features and Specifications:

Engine Model: SDEC 4HT4.3-G21 (H Series).
Configuration: 4-cylinder, 4-stroke, turbocharged, intercooled.
Displacement: 4.3 Liters.
Prime Power (50Hz): ~45 kW / 56 kVA.
Standby Power (50Hz): ~49.5 kW / 62 kVA.
Governing: Electronic governor for high-precision speed regulation.
Cold Start: -15°C without intake heating aid.
Structure: Compact design with an integral crankshaft, gantry body, and 4-valve structure for efficient combustion.

Fuel Efficiency: Optimized combustion chamber design and high injection pressure reduce fuel consumption by 8-10%.
Durability: The engine features a
$cap B sub 10$
life of over 15,000 working hours.
Low Noise & Vibration: Utilizes a rear spur gear chamber and elastic connections to minimize noise and vibration.
Versatility: Widely used in silent and open generator set configurations for both 50Hz and 60Hz applications.

SDEC 4HT4.3-G21 G-Drive Engine
SDEC 4HT4.3-G21 Generator Drive Engine uses a 4 Cylinder design, simple structure, the overall size is smaller than the same power...
SDEC-Shanghai Diesel Engine
55kVA Prime Silent 4ht4.3-G21 Sdec Engine Diesel Generator Set ...
H | 62-205 KW | Shanghai Diesel-SDEC Engine
Click here to find G-Drive engines by type (Engine Speed). * SDEC 4HT4.3-G21 G-Drive Engine. Prime Power : 62 kW @ 1800 RPM. Displ...
SDEC-Shanghai Diesel Engine

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Web results

SDEC 4HT4.3-G21 G-Drive Engine

SDEC-Shanghai Diesel Engine

https://sdec-engine.com › sdec-4ht4-3-g21-g-drive-engine

SDEC-Shanghai Diesel Engine

https://sdec-engine.com › sdec-4ht4-3-g21-g-drive-engine

The 4HT4.3-G21 generator drives the engine (1500 RPM) with a displacement of 4.3 L. The Engine has a maximum power output of 62 kW, enough provide high ...Read more

55kVA Prime Silent 4ht4.3-G21 Sdec Engine Diesel ...

Made-in-China.com

https://m.made-in-china.com › ... › Diesel Generator

Made-in-China.com

https://m.made-in-china.com › ... › Diesel Generator

55kVA Prime Silent 4ht4.3-G21 Sdec Engine Diesel Generator Set Manufacturer. US$2,000.00-200,000.00. 1SET (MOQ). Key attributes. Model NO.: MC.Read more

$2,000.00In stockReview by MIC_BUYERFree delivery

SDEC Engine 4HT4.3 G21 Diesel Generator

KEYPOWER

https://www.keypower.com › sdec-engine-4ht4-3-g21-...

KEYPOWER

https://www.keypower.com › sdec-engine-4ht4-3-g21-...

Keypower is a professional SDEC Engine 4HT4.3-G21 Diesel Generator manufacturer in China,with 26 years+ experience,supporting OEM/ODM and customization.

Model 4HT4.3-G21 Powered by SDEC with good price and ...

LONGKAI POWER

https://www.longkaipower.com › ... › Diesel Generator

LONGKAI POWER

https://www.longkaipower.com › ... › Diesel Generator

Model 4HT4.3-G21 Powered by SDEC with good price and quality offered by China manufacturer Longkai.

Silent Generador Electrico Diesel SDEC 4HT4.3-G21 ...

Alibaba.com

https://www.alibaba.com › ... › Diesel Generators

Alibaba.com

https://www.alibaba.com › ... › Diesel Generators

Our SDEC 4HT4.3-G21 Diesel Generator is a high-performance, heavy-duty diesel generator set designed for reliable prime and standby power.Read more

H Series Diesel Engine for Genset

Shanghai New Power Automotive Technology Company Limited

http://sdeciepower.com › 1-3-h-series-industrial-diesel-en...

Shanghai New Power Automotive Technology Company Limited

http://sdeciepower.com › 1-3-h-series-industrial-diesel-en...

The H series engine offers a compact structure, wide power range, high reliability, efficiency, and low vibration and noise.Read more

SDEC 4HTAA4.3-G21 G-Drive Engine | Shanghai Diesel- ...

SDEC-Shanghai Diesel Engine

https://sdec-engine.com › sdec-4htaa4-3-g21-g-drive-en...

SDEC-Shanghai Diesel Engine

https://sdec-engine.com › sdec-4htaa4-3-g21-g-drive-en...

SDEC 4HTAA4.3-G21 Generator Drive Engine uses a 4 Cylinder design, simple structure, the overall size is smaller than the same power diesel engine.Read more

SDEC ENGINES FOR GEN-SET

شرکت رابین انرژی پاژ

https://repco.in › upload › Shanghai Diesel Engine

شرکت رابین انرژی پاژ

https://repco.in › upload › Shanghai Diesel Engine

PDF

These series engines with power outputs of 50 to 1,800 kW are mainly applied to trucks, buses, construction machinery, generator sets, marine application and ...Read more

22 pages

SDEC Engine 4HT4.3 G21 Diesel Generator - KEYPOWER

keypowermachinery.com

https://www.keypowermachinery.com › ...

keypowermachinery.com

https://www.keypowermachinery.com › ...

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Keypower is a professional SDEC Engine 4HT4.3-G21 Diesel Generator manufacturer in China,with 26 years+ experience,supporting OEM/ODM and customization.