20kW 25kVA Shangchai Diesel Generator Set for Sale

This Shangchai diesel generator set delivers a prime power output of 20kW/25kVA and a standby power of 22kW/28kVA. It can be widely used in scenarios such as household backup power, small businesses, construction sites, and temporary power supply. It combines stability with durability, providing continuous and reliable power support during outages.

Thanks to their powerful performance, high reliability, low cost, and excellent service, Shangchai diesel generators have become one of the preferred brands in China's industrial, commercial, and residential sectors. Compared to some internationally renowned brands, Shangchai offers more competitive pricing, making it a cost-effective choice for users with limited budgets who still require stable performance. Dingbo Power’s Shangchai diesel generator sets range from 12kW to 2000kW, which can be customized to meet your specific requirements.

Why Choose Us

Dingbo is original manufacturer of diesel generator set. Factory direct sale, guaranteed quality and affordable price.

Our diesel generator sets are widely used in telecommunications, energy, transportation, real estate, hospital, residential building, data center and other fields, having long-term strategic cooperation with a lot of well-known enterprises. From research and development to production, from raw material procurement, assembly and processing to finished product debugging and testing, each process is strictly implemented, in all aspects meet the national, industry standards and contract provisions of the quality, specifications and performance requirements.

We have a professional and technical team, with an average working experience of more than 10 years in the generator industry. In the spirit of "keep improving", they actively collect and attract advanced technology and products at home and abroad, and constantly update the products, so that our diesel generators have been recognized by the majority of users.

If a customer can not find his supplier to support them when equipment has problem, after sales service is not guaranteed, which is a very helpless thing. While we have perfect after-sales service to support you to solve problem, it's not that you can't find us after you have a problem on your equipment. We will be with you and solve your problems with heart.

Export Case

So far, our diesel genset sold to Ethiopia, Venezuela, Singapore, Nigeria, Thailand, U.S.A etc. all over the world, both having good feedback from customers.

Diesel generators

Specific Project Cases:

https://www.dbdieselgenerator.com/project-case/

FAQ

1. Do you have your own factory?

Yes, we have. Welcome to visit our factory.

2. What is the delivery time and do you have product in stock?

Delivery time depends on order quantity. Generally, within 10 days for open genset, 20 days for silent genset. We have some power capacities in stock, if need details, please contact us.

3. What is your warranty period?

Our warranty is 1 year or 1000running hours whichever comes first. But based on some special project, we can extended our warranty period.

4. Does your generator have global warranty?

Yes, We supply the warranty. Also most of our products like Cummins, Volvo, Perkins, Deutz, Doosan, Yuchai, Weichai etc. power generator enjoy the global warranty service. And the alternator we use like Stamford and marathon also enjoy the global warranty service, so you do not need to worry about the after-sales service.

5. What is your payment terms?

We can accept T/T 30% in advance, and the balance 70% shall be paid before shipment or L/C at sight. But based on some special project and special order, we can do something on payment item.

6. Do you provide OEM service?

Yes, we can put your company logo on our diesel genset, just tell us your requirements, then we will do it for you.

Our Service

Before service

Our professional engineer will give you some consultation of technology and related planning before sale, such as selection of equipment, supporting facilities, the design of equipment room. We can also answer and solve the using problem you faced.

After sale service

1. Free guide to install and debugging

2. Free training and consult

3. Guiding how to protect your equipment

4. We will set up clients' document, tracking service, regular inspection, maintenance for life

5. We offers pure perennial spare parts and maintenance engineers will be ready to provide.

Dingbo Cloud on line service will help you to manage your equipment, save cost and improve efficiency.

1. Shanghai Diesel generator sets feature powerful performance with substantial torque reserve, robust and reliable structure (e.g., integral crankshaft), enabling them to handle high loads, deliver stable output, adapt to complex working conditions, and ensure long service life.

2. Low fuel consumption rate (as low as 200g/kW·h), advanced combustion and electronic control technology significantly reduce operating costs, offering energy efficiency and high performance.

3. Excellent high-altitude performance, strong adaptability to high-dust/desert environments, suitable for harsh conditions such as plateaus, mines, and deserts, with a wide range of applications.

4. Compliant with emission standards (China III/Stage IV/Stage V), low-noise operation meets environmental requirements, making them suitable for noise-sensitive locations (e.g., hospitals, residential areas).

5. Intelligent control system (automatic start/stop, remote monitoring); user-friendly interface, high automation reduces manual intervention, simplifies operation, and enables timely fault diagnosis.

6. Easy maintenance (rational structure, universal components), low maintenance costs, readily available parts, and comprehensive after-sales support ensure worry-free operation.

Configuration

1) Shangchai engine

2) Shanghai Stamford alternator(Stamford, Leroysomer, Marathon, Siemens, ENGGA brand for option)

3) SmartGen 6110 control panel as standard, AMF Control Panel Deep Sea DSE7320, SmartGen HGM6120, cloud monitoring platform for option. ATS, synchronous parallel for option

4) Chint breaker as standard, ABB, Schneider Breaker for option

5) 8/12 Working hours base bottom fuel tank, external fuel tank for option

6) Anti-Vibration mounted system

7) Battery and battery connecting cable, battery charger

8) Industrial silencer and flexible exhaust hose

20kW Shangchai Diesel Generator Set Technical Datasheet

Manufacturer:	Guangxi Dingbo Generator Set Manufacturing Co.,Ltd
Genset model	DB-20GF
Type	Open type or Silent type
Prime Power:	20KW/25kVA
Standby Power:	22kW/28kVA
Rated current:	36A
Rated voltage:	400/230V or as you required
Rated frequency/speed:	1500rpm/50Hz
Power factor:	0.8lag
Phase:	3 phase 4 wire
Noise level:	105dB at 7m ( open type generator)
Noise level:	75dB at 7m(silent type generator)
Dimension (L x W x H):	Open type: 1445×775×975(for reference)
Dimension (L x W x H):	Silent type: 2105×910×1135(for reference)
Net weight:	Open type: 542kg
Net weight:	Silent type: 780kg

Shangchai 4Z3.0-G11 Diesel Engine Datasheet

Manufacturer:	Shangchai
Engine model	4Z3.0-G11
Prime power:	27kW
Standby power:	30kW
Frequency/Speed:	1500RPM / 50Hz
Cylinders no. & Type:	4, in-line, 4 stroke
Aspiration:	Naturally aspirated
Cooling method	Water-cooled
Displacement:	3.0L
Compression ratio	18:1
Governor	Mechanical type
Bore x Stroke(mm):	95 × 105
Start mode:	Electric start
Starter motor:	12V DC
Type Injection System:	Direct injection
Oil pan capacity-High level/Low level	10L/8L
Coolant Capacity -engine only	3.0L

Alternator technical datasheet

Manufacturer	Stamford/ Marathon/ Engga/ Shanghai Stamford/ Leroy Somer
Continuous rated power:	20KW/25kVA
Rated Voltage:	400/230V
Frequency/Speed:	1500rpm /50Hz
Phase:	3 phase 4 wire
Power Factor:	0.8lag
Efficiency:	90%
Regulator:	AVR
Stator:	Double layer concentric
Rotor:	Single/double bearing
Exciter type:	Brushless excitation
Windings:	100% copper
Short circuit current capacity(%)	>300IN 10s( with PMG or Auxiliary winding）
Recovery time(Tr)	1s
Waveform : TIF	<50
Waveform : THD	<3%
Waveform : THF	<2%
Winding pitch	2/3
Voltage regulation:	± 1.0 %
Protection:	IP22 or IP23
Insulation class	H
Duty	Continuous
Number of poles	4
Altitude	≤1000m
Rated power factor	0.8lag
Stator winding	6ends
Rotor	With damping cage
Overload	110% rated load for 2 hour per 24 hour
Ambient temperature	40℃
Maximum overspeed	2250 rpm 2minutes

Controller

Standard controller

Model: Deep Sea 7320 or SmartGen 6110

Automatic controller, integrating digital, intelligent and network techniques, is used for automatic control and monitoring system of single genset. It can carry out functions of automatic start/stop, data measurement, alarm protection and three remote (remote control, remote measurement and remote communication). The controller uses LCD display, optional language interface including Chinese, English, Spanish, Russian, Portuguese, Turkish, Polish and French with easy and reliable operation.

Auto parallel controller

Model: Deep Sea 8610 or SmartGen HGM9510

Synchronising & Load Sharing Control Module

The auto parallel controller represents the latest in complex load sharing & synchronising control technology. Designed to handle the most complex grid type generator applications the control module is packed with multiple features and benefits that are unrivalled across the generator control industry.

Genset Model	Generating Set Output				Engine Model	Engine Power
	Prime Power		Standby Power			Prime	Standby
	KW	KVA	KW	KVA		KW	kW
T2 emission
DB-50GF	50	62.5	55	68.75	SC4H95D2	62	68
DB-68GF	68	85	75	93.75	SC4H115D2	78	86
DB-90GF	90	112.5	100	125	SC4H160D2	105	116
DB-100GF	100	125	110	137.5	SC4H180D2	120	132
DB-130GF	130	162.5	143	178.75	SC7H220D2	150	165
DB-136GF	136	170	150	187.5	SC7H230D2	154	170
DB-150GF	150	187.5	165	206.25	SC7H250D2	168	185
DB-165GF	165	206	182	227.5	SC8D280D2	185	204
DB-180GF	180	225	200	250	SC9D310D2	208	228
DB-200GF	200	250	220	275	SC9D340D2	228	255
DB-220GF	220	275	240	300	SC10E380D2	255	280
DB-250GF	250	312.5	275	343.75	SC12E420D2	280	308
DB-250GF	250	312.5	275	343.75	SC13G420D2	280	308
DB-280GF	280	350	308	385	SC12E460D2	307	338
DB-300GF	300	375	330	412.5	SC15G500D2	330	373
DB-360GF	360	450	400	500	SC25G610D2	405	445
DB-400GF	400	500	450	562.5	SC25G690D2	459	505
DB-450GF	450	562.5	500	625	SC27G755D2	505	560
DB-500GF	500	625	550	687.5	SC27G830D2	561	610
DB-550GF	550	687.5	600	750	SC27G900D2	602	662
DB-600GF	600	750	660	825	SC33W990D2	660	726
DB-700GF	700	875	770	962.5	SC33W1150D2	782	860
T3 emission
DB-40GF	40	50	45	56.25	4HTAA4.3-G31	51	56
DB-50GF	50	62.5	55	68.75	4HTAA4.3-G32	62	68
DB-64GF	64	80	70	87.5	4HTAA4.3-G33	78	86
DB-80GF	80	100	88	110	4HTAA4.3-G34	95	105
DB-90GF	90	112.5	100	125	4HTAA4.3-G35	106	117
DB-100GF	100	125	110	137.5	4HTAA4.3-G36	125	140
DB-120GF	/	/	120	150	4HTAA4.3-G36	125	140
DB-110GF	110	137.5	120	150	6HTAA6.5-G31	128	141
DB-120GF	120	150	132	165	6HTAA6.5-G32	140	155
DB-136GF	136	170	150	187.5	6HTAA6.5-G35	155	170
DB-150GF	150	187.5	165	206.25	6HTAA6.5-G33	168	185
DB-176GF	/	/	176	220	6HTAA6.5-G34	186	205
DB-165GF	165	206.25	180	225	6DTAA8.9-G31	185	204
DB-180GF	180	225	200	250	6DTAA8.9-G32	208	228
DB-200GF	200	250	220	275	6DTAA8.9-G33	230	253
DB-220GF	220	275	240	300	6DTAA8.9-G34	255	280
DB-250GF	/	/	250	312.5	6DTAA8.9-G34	255	280
DB-250GF	250	312.5	275	343.75	6ETAA11.8-G32	280	308
DB-280GF	280	350	308	385	6ETAA11.8-G33	307	338
DB-300GF	300	375	330	412.5	6ETAA11.8-G31	340	380
DB-320GF	320	400	352	440	6ETAA12.8-G32	360	400
DB-360GF	360	450	400	500	6ETAA12.8-G31	400	440
DB-400GF	400	500	450	562.5	12GTAA27-G34	459	505
DB-450GF	450	562.5	500	625	12GTAA27-G33	505	555
DB-500GF	500	625	550	687.5	12GTAA27-G32	565	610
DB-550GF	550	687.5	600	750	12GTAA27-G31	622	684
DB-400GF	400	500	450	562.5	6KTAA25-G311	460	506
DB-460GF	460	575	506	632.5	6KTAA25-G310	520	572
DB-510GF	510	637.5	561	701.25	6KTAA25-G39	572	629
DB-560GF	560	700	616	770	6KTAA25-G38	622	684
DB-400GF	400	500	450	562.5	6KTAA25-G36	460	506
DB-460GF	460	575	506	632.5	6KTAA25-G35	520	572
DB-510GF	510	637.5	561	701.25	6KTAA25-G34	572	629
DB-560GF	560	700	616	770	6KTAA25-G33	622	684
DB-600GF	600	750	660	825	6KTAA25-G32	685	754
DB-650GF	650	812.5	720	900	6KTAA25-G31	728	800
DB-720GF	720	900	800	1000	6WTAA35-G32	818	900
DB-800GF	800	1000	880	1100	6WTAA35-G31	882	970

Genset Model	Generating Set Output				Engine Model	Engine Power
	Prime Power		Standby Power			Prime	Standby
	KW	KVA	KW	KVA		KW	kW
DB-56GF	56	70	62	77	4HT4.3-G21	62	68
DB-61GF	61	76	67	84	4HT4.3-G22	67	74
DB-80GF	80	100	88	110	4HT4.3-G23	86	95
DB-95GF	95	119	105	131	4HTAA4.3-G21	105	116
DB-110GF	110	138	121	151	4HTAA4.3-G23	120	132
DB-110GF	110	138	121	151	4HTAA4.3-G22	120	132
DB-125GF	125	156	138	172	6HTAA6.5-G21	136	150
DB-136GF	136	170	150	187	6HTAA6.5-G22	150	165
DB-166GF	166	208	183	228	6HTAA6.5-G23	180	198
DB-186GF	186	233	205	256	6DTAA8.9-G21	205	226
DB-207GF	207	259	228	285	6DTAA8.9-G24	228	250
DB-215GF	215	269	237	296	6DTAA8.9-G22	235	259
DB-232GF	232	290	255	319	6DTAA8.9-G23	255	282
DB-280GF	280	350	308	385	6ETAA11.8-G21	307	338