SD Series – Diesel Generator Sets

High-Performance Diesel Generator Sets with SDEC Power

Enerzip® SD Series Diesel Generator Sets are powered by genuine SDEC (Shanghai Diesel Engine Co., Ltd.) engines and engineered by Enerzip® as complete industrial power solutions. Designed for construction sites, manufacturing plants, municipal facilities, and large-scale backup power, the SD Series focuses on reliability, structural durability, and cost-effective operation.

With an output range from 55kVA to 1100kVA, the SD Series supports Standby, Prime, and selected Continuous applications, providing stable and dependable power for projects where practical performance and controlled investment cost are key priorities.

Key Advantages

Proven SDEC Engine Platform – Widely used industrial engines known for stable output and mechanical robustness
High Cost-Efficiency – Industrial-grade performance with optimized total cost of ownership
Adaptable to Harsh Conditions – Reliable operation in hot, humid, dusty, and demanding site environments
Service-Friendly Design – Simple structure with readily available spare parts and easy maintenance
Smart Control Integration – Compatible with SmartGen, ComAp, and DeepSea control systems
Enerzip® Industrial Integration – Reinforced frames, matched alternators, and engineered cooling for long-term stability

Description

Enerzip® SD Series Diesel Generator Sets

Cost-Effective Industrial Power Solutions
Powered by Genuine SDEC (Shangchai) Engine Platform | 55 kVA – 1100 kVA

The Enerzip® SD Series is designed for customers who require reliable industrial diesel generator sets at a highly competitive cost level. Built around genuine SDEC (Shanghai Diesel Engine Co., Ltd.) engines, the SD Series delivers stable performance, mature technology, and low operating costs for standby and prime power applications.

Covering an output range from 55 kVA to 1100 kVA, the SD Series is widely applied in real estate backup power, infrastructure projects, construction sites, commercial facilities, agriculture, and general industrial use, where proven durability and affordable maintenance are key decision factors.

By combining SDEC’s large-scale engine manufacturing capability with Enerzip®’s standardized genset integration and quality control, the SD Series achieves an optimal balance between initial investment, reliability, and long-term service cost. For broader platform comparison and selection guidance, you may also explore the Diesel Generator Sets Series.

1. The Power Core: SDEC (Shangchai) Engine Platform

The SD Series is powered by original SDEC industrial diesel engines, including the H, D, E, G, and W engine families, which have been extensively deployed across China and emerging markets.

Proven Industrial Heritage:
SDEC, established in 1947, is one of China’s longest-standing diesel engine manufacturers. Its engines are widely used in power generation, construction machinery, and industrial equipment, known for robust structure and long service life under continuous-duty conditions.

Mature Engineering Design:
Many SDEC engine platforms are developed with international technical cooperation (including AVL-based combustion development). For general reference on combustion-development methods relevant to this platform background, buyers may also review AVL development of efficient combustions. Typical features include cast iron cylinder blocks, forged crankshafts, and conservative power ratings, prioritizing durability over extreme power density.

Maintenance-Friendly Design:
SDEC engines adopt mechanical or simple electronic fuel systems, with strong parts commonality and broad market circulation. Spare parts are widely available and cost-effective, especially in Asia, Africa, and South America, significantly reducing long-term OPEX.

2. Starting System: Reliable Engine Cranking

A dependable starting system is essential for standby power reliability.

Industrial-Grade Starter Motors:
Standard configurations use reliable industrial starter motors, with optional upgrades to Bosch or Delco Remy depending on project requirements.

Maintenance-Free Battery System:
The SD Series is equipped with maintenance-free lead-acid batteries (VARTA, Camel, or Sail), selected for sufficient cold cranking performance and stable lifecycle behavior.

3. Alternator System: Stable Power Output

Enerzip® matches SDEC engines with industry-recognized alternator solutions to ensure consistent electrical performance.

Flexible Alternator Options:
Available alternator brands include STAMFORD, LEROY SOMER, and cost-effective alternatives such as ENGGA, MARATHON, or Shanghai Stamford, allowing customers to balance budget and brand preference.

Industrial Protection Level:
Standard IP23 protection and Class H insulation ensure reliable operation in humid, dusty, and high-temperature environments.

Voltage Regulation:
Digital AVR systems maintain voltage regulation typically within ±1.0%, suitable for commercial and industrial loads.

4. Control System: Intelligent Monitoring & Protection

The SD Series uses the same control philosophy applied across Enerzip® industrial generator platforms.

Controller Options:
Compatible with DSE (Deep Sea Electronics), ComAp, DEIF, and SmartGen, supporting AMF, ATS control, and parallel-ready configurations.

Operational Visibility:
Real-time monitoring of voltage, frequency, oil pressure, coolant temperature, and running hours.

Integrated Protection Logic:
Automatic shutdown and alarms for critical conditions such as over-speed, low oil pressure, high coolant temperature, and over-voltage, protecting both engine and alternator.

5. Cooling System: 50 °C Ambient Capability

The SD Series is engineered for operation in demanding climates.

Heavy-Duty Radiator Assemblies:
Cooling systems are sourced from experienced industrial radiator manufacturers and sized with sufficient margin.

Tropical Design Standard:
Designed for ambient temperatures up to 50 °C without power derating under normal installation conditions, suitable for hot and remote regions.

6. Base Frame & Fuel Tank: Structural Reliability

Enerzip® applies the same structural standards used across its industrial generator ranges.

Heavy-Duty Steel Base Frame:
Fabricated using reinforced steel profiles with precision welding, ensuring alignment stability during long-term operation.

Vibration Isolation:
High-quality anti-vibration mounts reduce mechanical stress on the genset and surrounding foundation.

Integrated Fuel Tank:
Standard base fuel tanks provide approximately 8–24 hours of operation at rated load, depending on configuration.

7. Silent Canopy: Practical Noise Control

For noise-sensitive environments, the SD Series can be supplied with a sound-attenuated enclosure.

Corrosion-Resistant Coating:
Powder-coated steel canopies provide protection against weather exposure and industrial environments.

Effective Noise Reduction:
Multi-layer sound-absorbing materials and optimized airflow paths reduce operational noise to levels suitable for commercial, residential backup, and urban construction use.

8. Exhaust & Emission System

Emission Compliance:
SDEC engines typically comply with China Stage II / Stage III emission standards, suitable for most non-road and industrial power generation applications.

Industrial Exhaust Silencing:
High-efficiency industrial mufflers reduce exhaust noise while maintaining acceptable back pressure levels.

9. Containerized Power Solutions (Optional)

For higher-capacity models, containerized gensets are available.

ISO Container Integration:
Available in 20ft or 40ft ISO containers, featuring internal ventilation, cable routing, lighting, and maintenance access.

Suitable for Remote Sites:
Designed for mining, infrastructure, and temporary power stations requiring mobility and security.

Technical Specification Matrix (Overview)

Category	Configuration
Product Type	Cost-Effective Industrial Diesel Generator Sets
Output Range	55 kVA – 1100 kVA
Engine Platform	Genuine SDEC (Shangchai Power)
Alternator Options	STAMFORD / LEROY SOMER / ENGGA / MARATHON
Control System	DSE / ComAp / SmartGen
Cooling System	50 °C Tropical Design
Fuel Tank	Integrated Base Tank
Enclosure	Open / Silent / Containerized

Why Choose Enerzip® SD Series?

The Enerzip® SD Series is engineered for customers who prioritize value, reliability, and predictable operating costs. By leveraging the mature and widely deployed SDEC engine platform, Enerzip® delivers industrial diesel generator sets that perform reliably without the premium pricing of Tier-1 Western engine brands.

For backup power, general industrial use, real estate projects, and infrastructure support, the SD Series offers a practical, honest power solution—built on proven technology, standardized integration, and dependable long-term serviceability.

Genset Model	ESP (KVA)	ESP(KW)	PRP(KVA)	PRP(KW)	Fuel Cons(L/H 75%)	LWH(mm) Open Type	LWH(mm) Silent Type	Engine Model	Country of origin	Cyl Arrangement	Displacement(L)	Gov	Cooling
SD55D5	55	44	50	40	10.5	18488931196	268011001732	4HTAA4.3-G31	China	4/L	4.3	E	Water Cooling
SD69D5	69	55	63	50	11.2	19388931196	268011001732	4HTAA4.3-G32	China	4/L	4.3	E	Water Cooling
SD96D5	96	77	88	70	14.2	19768931196	268011001732	4HTAA4.3-G33	China	4/L	4.3	E	Water Cooling
SD110D5	110	88	100	80	16.5	19309431196	268011001732	4HTAA4.3*G34	China	4/L	4.3	E	Water Cooling
SD124D5	124	99	113	90	18.2	19309431196	268011001732	4HTAA4.3-G35	China	4/L	4.3	E	Water Cooling
SD138D5	138	110	125	100	20.5	19309431196	268011001732	4HTAA4.3-G36	China	4/L	4.3	E	Water Cooling
SD165D5	165	132	150	120	25.2	23129431375	382011402062	6HTAA6.5-G32	China	6/L	6.5	HPCR	Water Cooling
SD193D5	193	154	175	140	32.8	23129431375	382011402062	6HTAA6.5-G33	China	6/L	6.5	HPCR	Water Cooling
SD206D5	206	165	188	150	34.8	23639431375	382011402062	6HTAA6.5-G34	China	6/L	6.5	HPCR	Water Cooling
SD220D5	220	176	200	160	39.5	23639431375	382011402062	6HTAA6.5-G35	China	6/L	6.5	HPCR	Water Cooling
SD248D5	248	198	225	180	41.5	25509911382	397011702222	6DTAA8.9-G32	China	6/L	8.8	HPCR	Water Cooling
SD275D5	275	220	250	200	48.2	25509911468	397011702222	6DTAA8.9-G33	China	6/L	8.8	HPCR	Water Cooling
SD344D5	344	275	313	250	52.5	310011051626	450015502450	6ETAA11.8-G31	China	6/L	11.8	HPCR	Water Cooling
SD385D5	385	308	350	280	58.2	310011051626	450015502450	6ETAA11.8-G32	China	6/L	11.8	HPCR	Water Cooling
SD440D5	413	330	375	300	62.5	316411051626	450015502450	6ETAA11.8-G33	China	6/L	11.8	HPCR	Water Cooling
SD550D5	440	352	400	320	63.5	354814001992	450015502450	6ETAA12.8-G31	China	6/L	12.8	HPCR	Water Cooling
SD481D5	481	385	438	350	67.5	354814001992	450015502450	6ETAA12.8-G32	China	6/L	12.8	HPCR	Water Cooling
SD413D5	413	330	375	300	57.5	316411051626	450015502450	6KTAA25-G31	China	6/L	25.2	HPCR	Water Cooling
SD440D5A	440	352	400	320	63.5	354814001992	450015502450	6KTAA25-G32	China	6/L	25.2	HPCR	Water Cooling
SD495D5	495	396	450	360	71.8	354814001992	450015502450	6KTAA25-G33	China	6/L	25.2	HPCR	Water Cooling
SD550D5A	550	440	500	400	79.5	362414001992	461516502530	6KTAA25-G34	China	6/L	25.2	HPCR	Water Cooling
SD550D5A	550	440	500	400	89.5	390016082138	461516502530	6KTAA25-G35	China	6/L	25.2	HPCR	Water Cooling
SD619D5A	619	495	563	450	98.5	390016082138	461516502530	6KTAA25-G36	China	6/L	25.2	HPCR	Water Cooling
SD688D5A	688	550	625	500	106.5	390016082318	461516502530	6KTAA25-G310	China	6/L	25.2	HPCR	Water Cooling
SD756D5A	756	605	688	550	114.5	391016082138	461516502530	6KTAA25-G311	China	6/L	25.2	HPCR	Water Cooling
SD550D5B	550	440	500	400	89.5	396016082109	573220002563	12GTAA27-G31	China	12/V	26.6	HPCR	Water Cooling
SD619D5B	619	495	563	450	98.5	390016082109	573220002563	12GTAA27-G32	China	12/V	26.6	HPCR	Water Cooling
SD688D5B	688	550	625	500	108.5	390016082109	573220002563	12GTAA27-G33	China	12/V	26.6	HPCR	Water Cooling
SD756D5B	756	605	688	550	118.5	391016082109	573220002563	12GTAA27-G34	China	12/V	26.6	HPCR	Water Cooling
SD825D5	825	660	750	600	126.5	391016082109	573220002563	6KTAA25-G38	China	6/L	25.2	HPCR	Water Cooling
SD880D5	880	704	800	640	140.5	391016082109	573220002563	6KTAA25-G39	China	6/L	25.2	HPCR	Water Cooling
SD990D5	990	792	900	720	150.5	447119752410	573220002563	6WTAA35.1-G31	China	6/L	35.1	HPCR	Water Cooling
SD1100D5	1100	880	1000	800	165.5	447119752410	573220002563	6WTAA35.1-G32	China	6/L	35.1	HPCR	Water Cooling

Technical Notes

Fuel consumption values are typical reference figures measured at 70% load under standard test conditions. Actual fuel consumption may vary depending on fuel quality, ambient temperature, altitude, load profile, alternator efficiency, and installation conditions.

Applications

Typical Applications of Enerzip® SD Series Diesel Generator Sets

The Enerzip® SD Series Diesel Generator Sets are designed for cost-sensitive industrial and commercial applications where stable performance, simple maintenance, and predictable operating costs are essential. Powered by genuine SDEC engines, the SD Series is widely applied in the following sectors:

1. Real Estate & Residential Communities

Reliable Backup Power for Residential Infrastructure

In residential buildings and mixed-use developments, diesel generators are primarily required to meet local fire safety regulations and emergency power standards, supplying electricity to essential loads such as elevators, fire pumps, and emergency lighting.

Application Reality:
The SD Series is commonly used as a standby diesel generator in apartment complexes, residential communities, and commercial housing projects where budget control is critical. When equipped with a sound-attenuated canopy and ATS, it provides reliable backup power during grid outages without excessive initial investment.

Typical Loads:
Elevators, emergency lighting, fire control systems, water supply pumps.

Key Applications:
Residential Backup Generator, Property Emergency Power, Elevator Standby Power.

2. General Manufacturing & Workshops

Cost-Controlled Power for Light to Medium Industrial Loads

Small and medium-sized manufacturing facilities often require backup or supplementary power to protect production continuity, especially for equipment sensitive to unexpected shutdowns.

Application Reality:
The SD Series is suitable for standby or limited prime power in workshops and factories, providing stable three-phase power for machine tools, production lines, compressors, and auxiliary systems. The SDEC engine’s mature design and readily available spare parts help reduce long-term maintenance costs.

Typical Loads:
Lathes, CNC machines, assembly lines, auxiliary equipment.

Key Applications:
Factory Backup Power, Industrial Diesel Generator, Workshop Power Supply.

3. Construction & Infrastructure Projects

Practical Power Solutions for Temporary and Site Use

Construction and infrastructure projects require generators that are robust, easy to maintain, and tolerant of harsh environments, especially in temporary or mobile installations.

Application Reality:
The SD Series is widely used as a construction site generator for powering tools, site offices, lighting, and small machinery. Its mechanical simplicity allows for easier field maintenance, making it suitable for contractors operating in regions with limited technical support.

Typical Loads:
Site lighting, mixers, welding equipment, temporary offices.

Key Applications:
Construction Generator, Temporary Site Power, Prime/Standby Power.

4. Agriculture & Aquaculture

Continuous Power Support for Rural Operations

Agricultural and aquaculture operations rely heavily on electricity for irrigation, aeration, feeding systems, and environmental control. Power interruptions can directly impact production and livestock health.

Application Reality:
The SD Series is commonly applied as a farm diesel generator or backup power source for fish farms and irrigation systems. Designed with a 50°C cooling system, it operates reliably in hot and humid rural environments where grid stability is often limited.

Typical Loads:
Irrigation pumps, aeration systems, water circulation equipment.

Key Applications:
Farm Generator, Aquaculture Backup Power, Irrigation System Support.

5. Logistics, Warehousing & Distribution Centers

Backup Power for Operational Continuity

Warehouses and logistics facilities require reliable backup power to maintain security systems, lighting, and essential operations during grid failures.

Application Reality:
The SD Series is used as a warehouse backup generator, supporting extended runtime requirements through integrated base fuel tanks. It ensures continuity for lighting, access control, and basic material handling systems during power outages.

Typical Loads:
Lighting systems, CCTV, access control, charging stations.

Key Applications:
Warehouse Backup Power, Logistics Generator, Facility Emergency Power.

6. Public Facilities & Educational Buildings

Economical Emergency Power for Public Infrastructure

Schools, community centers, and public buildings require emergency power solutions that comply with safety regulations while remaining within limited budgets.

Application Reality:
The SD Series is frequently selected for public facility standby power, integrated with ATS systems to ensure automatic power transfer during outages. It supports essential services such as emergency lighting, communication systems, and basic HVAC.

Typical Loads:
Emergency lighting, communication systems, safety equipment.

Key Applications:
School Backup Generator, Public Building Power Supply, Emergency Power System.

7. Mining Sites (Auxiliary & Camp Power)

Supporting Power for Non-Production Mining Areas

While large mining operations rely on high-capacity generator systems for production, auxiliary areas such as camps and offices require smaller, reliable power sources.

Application Reality:
The SD Series is suitable for auxiliary power in mining camps, workshops, and administrative areas. Its lower maintenance cost and proven engine platform make it practical for remote locations where service resources are limited.

Typical Loads:
Dormitories, kitchens, offices, maintenance workshops.

Key Applications:
Mining Camp Generator, Auxiliary Power Supply, Remote Site Backup.

Application Positioning Summary

The Enerzip® SD Series Diesel Generator Sets are best positioned for:

✔ Standby and light prime power applications
✔ Cost-sensitive industrial and commercial projects
✔ Regions with limited service infrastructure
✔ Users prioritizing low CAPEX, stable performance, and simple maintenance

Where SD Series Is NOT Recommended

The Enerzip® SD Series Diesel Generator Sets are engineered for cost-sensitive standby and light-duty industrial applications. To ensure correct selection and long-term reliability, the SD Series is not recommended for the following use cases:

• Mission-Critical Facilities with Zero Downtime Tolerance
The SD Series is not designed for applications such as Tier III/IV data centers, ICU-level hospitals, or critical financial infrastructure, where ultra-fast transient response, redundant systems, and premium engine platforms are mandatory.

• Continuous Heavy-Duty 24/7 Base Load Operation
For projects requiring continuous prime or baseload operation at high load factors, especially above 70–80% load for extended periods, premium continuous-duty generator series are more suitable.

• High-Parallel or Large-Scale Synchronization Systems
The SD Series is not intended for complex multi-generator synchronization, large MW-scale power plants, or grid-parallel applications requiring advanced load-sharing, N+1 redundancy, or utility-grade protection schemes.

• Applications with Strict International Emission Regulations
Projects subject to EU Stage V, U.S. EPA Tier 4 Final, or equivalent ultra-low emission standards should select generator sets specifically engineered for advanced after-treatment systems.

• Extremely Harsh or Specialized Industrial Environments
Environments involving highly corrosive atmospheres, explosive gas zones (ATEX), offshore platforms, or chemical plants require specialized generator designs beyond the scope of the SD Series.

• High-Sensitivity Loads with Severe Transient Requirements
Applications with large step-load impacts or highly sensitive electronic equipment may require generator sets with enhanced transient performance and tighter voltage/frequency recovery characteristics.

Related Diesel Generator Series:
• E Series – Entry-level diesel generator sets for small power and light-duty applications
• Y Series – Heavy-duty diesel generator sets for higher torque industrial loads

FAQ

What diesel generator do you recommend for factory backup power?

For factory backup power applications, the Enerzip® SD Series Diesel Generator Sets are a practical choice, providing stable three-phase output for production equipment during grid outages, while the proven SDEC engine platform ensures reliable standby performance, easy maintenance, and low spare parts cost for light to medium industrial facilities.

Which generator is suitable for residential buildings and elevators?

The Enerzip® SD Series is commonly used as a standby generator for residential buildings and apartment complexes, supplying emergency power to elevators, lighting, and fire safety systems, and when equipped with a silent canopy and ATS, it meets compliance requirements while keeping project costs under control.

We need the best price diesel generator, brand is not important — what do you suggest?

If price and return on investment are the main concerns, the Enerzip® SD Series offers a strong price-performance balance by using a genuine SDEC industrial diesel engine combined with Enerzip® standardized integration, delivering dependable standby power at a lower capital cost than premium Tier-1 generator brands.

Can this generator be used on construction sites for temporary power?

Yes, the Enerzip® SD Series is suitable for construction and temporary power use, as its mechanically simple SDEC engine, reinforced base frame, and heavy-duty air filtration system allow reliable operation in dusty and demanding site conditions with easy local maintenance support.

Is the SD Series suitable for farms, irrigation systems, or fish ponds?

The Enerzip® SD Series is well suited for agricultural and aquaculture applications such as irrigation pumps and fish ponds, offering stable power support in hot and humid environments with a 50°C cooling design, while its cost-efficient operation makes it practical for rural areas with unstable grid supply.

What generator do you recommend for warehouse backup power?

For warehouses and logistics facilities, the Enerzip® SD Series Diesel Generator Sets provide reliable standby power for lighting, security systems, and essential operations during outages, with integrated fuel tank options that support extended runtime without the need for continuous-duty industrial generator platforms.

Related Products

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