A diesel generator is a self-contained power generation unit that converts diesel fuel into electrical energy through the combination of a diesel engine and an alternator. It serves two primary purposes worldwide: as a backup power source for facilities connected to unstable utility grids, and as the primary power supply for remote locations with no access to grid electricity. From small retail stores and manufacturing workshops to large construction sites and agricultural operations, diesel generators provide the reliable power that keeps businesses running when grid power fails. In regions with frequent power outages or voltage fluctuations, investing in a high-quality diesel generator is not a luxury but a critical business necessity that protects against costly downtime and lost revenue.
YG manufactures and supplies a full range of industrial diesel generator sets designed to meet the diverse power needs of businesses across the globe. This case study details how we delivered a 50kw diesel generator to a small manufacturing business in Saudi Arabia, solving their persistent power supply problems and delivering measurable business results. If you are currently searching for a 50 kW diesel generator for sale, this real-world example will help you understand what to look for in a reliable generator.
YG 50kw Diesel Generator Parameter:
| GENSET MODEL | YG-50/S |
| Prime power (kW/kVA) | 40/50 |
| Standby power (kW/kVA) | 44/55 |
| Frequency (Hz) | 50 |
| Voltage (V) | 220/380,230/400,240/415 |
| Power factor | 0.8 |
| Ambient temperature (°C) | 40 |
| Altitude (m) | 1000 |
| Engine Model | 4BTA3.9-G2 |
| Rated Power (kW) | 50 |
| No. of cylinders & configuration | In-Line 4 cylinders |
| Method of operation | 4 Stroke |
| Speed regulation | Electronic Governor |
| Starting system | DC 12V Electronic start |
| Cooling method | Closed-circuit cooling system |
| Total displacement (L) | 3.9 |
| Compression ratio | 18.0:01 |
| Bore×Stroke (mm) | 102*120 |
| 100% Load fuel consumption (L/h) | 14.1 |
| Number of Phase | Three Phase |
| Power Factor | 0.8 |
| Protection Grade | IP21/IP23 |
| Winding/ Pitch | 100% Copper 2/3 Pitch |
| Cooling Fan | Cast alloy aluminum |
| Exciter Type | Brushless, Self-Exciting |
| Insulation Class, Temperature Rise | H/H |
| Telephone Influence Factor( TIF) | TIF <5% / THF <2% |
| Total Harmonic TGH/THC | <1.5% no load / <5% on load |
| Voltage Regulation, Steady State | ≤+-1% |
| Sustained Short-Circuit Current | 300% (3in):10s |
| Control System | Smartgen HGM6110N |
| ATS | Optional |
Case Study:50kw Diesel Generator Powers Small Manufacturing Workshop in Saudi Arabia
Client Background:
The client operates a small plastic packaging manufacturing workshop on the outskirts of Riyadh, Saudi Arabia. The business produces disposable plastic containers and packaging materials for local food and beverage companies, running a 12-hour daily production schedule. Like many businesses in suburban Saudi Arabia, the workshop relies on the national grid for its electricity supply, which suffers from frequent unplanned outages and voltage fluctuations, particularly during the hot summer months when air conditioning demand peaks.
Before investing in a generator, these power disruptions caused significant operational and financial problems for the business. Partial production runs would be ruined when the power cut out mid-process, leading to wasted raw materials and hours of cleanup time. Missed delivery deadlines eroded customer trust, and the business lost several repeat clients as a result. The owner estimated that power-related issues were costing the business thousands of dollars in lost revenue and wasted materials every month.
Client Needs:
After a particularly severe 4-hour outage that resulted in the loss of an entire day’s production, the client decided to invest in a reliable backup power solution. They outlined five clear requirements for the generator:
- Sufficient power to run all essential production equipment simultaneously during outages
- Ability to operate continuously for at least 8 hours without refueling
- Simple operation and basic maintenance procedures that could be performed by existing staff
- Compact dimensions to fit in the limited space available in the workshop’s utility area
- Good fuel efficiency to keep ongoing operating costs manageable
YG’s Customized Solution:
After conducting a detailed assessment of the client’s power consumption patterns and operational needs, our technical team recommended our 50kw diesel generator model YG-50/S as the perfect match for their requirements. This unit was selected because its 40kW prime power (continuous operation rating) comfortably supports the workshop’s average load of 32kW, while its 44kW standby power rating provides ample capacity for the 42kW peak load that occurs when all equipment starts simultaneously. We configured the generator with the optional automatic transfer switch (ATS) that detects grid power failures and starts the generator automatically within 10 seconds. This seamless transition ensures that production continues without interruption, eliminating the risk of ruined batches or lost work. The generator’s standard 120-liter fuel tank provides approximately 8.5 hours of continuous operation at 70% load, fully meeting the client’s requirement for extended run times between refueling.
Client Feedback and Results
The small portable diesel generator has now been in service for 4 months, and the client has reported exceptional results across all key metrics. During this period, there have been 17 recorded grid outages, ranging in duration from 20 minutes to 3.5 hours. The industrial diesel generator sets have started automatically every single time without any failures, and production has continued uninterrupted throughout all outages. In the client’s own words: “This generator has completely transformed how we operate our business. Before we had it, every time the lights flickered, we would hold our breath and wonder if we were about to lose another batch of products. Now we don’t even think about power outages anymore. The unit runs quietly, uses less fuel than we expected, and requires almost no maintenance. It was one of the best investments we have ever made for our business.”
YG’s Product Advantages and Service Capabilities
- Industry-Leading Engine Performance: At the heart of our YG-50/S 50kw diesel generator is the proven 4BTA3.9-G2 4-cylinder inline diesel engine. This 4-stroke engine delivers 50kW of rated power and features an electronic governor system that provides precise speed control, resulting in stable frequency output and excellent load response. The engine’s 18.0:1 compression ratio ensures efficient combustion, contributing to the unit’s impressive fuel economy of just 14.1 liters per hour at 100% load.
- Built for Harsh High-Temperature Environments: YG small portable diesel generators are specifically designed to thrive in the hot climate of Saudi Arabia. The YG-50/S features a closed-circuit cooling system with a cast alloy aluminum cooling fan that provides efficient heat dissipation even at the maximum rated ambient temperature of 40℃. This prevents the overheating issues that plague many cheaper generators in hot climates, which can lead to unexpected shutdowns and premature component failure.
- Superior Power Quality for Sensitive Equipment: The YG-50/S produces clean, stable power that is safe for all types of industrial and commercial equipment. It features a 100% copper winding alternator with a brushless, self-exciting design, which provides excellent reliability and requires minimal maintenance. The unit delivers steady-state voltage regulation of ≤±1% and total harmonic distortion (THD) of less than 5% under load, preventing damage to sensitive electronics and ensuring consistent performance of variable-speed motors and other precision equipment.
- User-Friendly Design and Low Maintenance: We understand that most small businesses do not have dedicated technical staff to maintain complex equipment. That is why our generators are designed for simplicity and ease of maintenance. The Smartgen HGM6110N control system features an intuitive interface that displays all critical operating parameters at a glance, making operation straightforward even for inexperienced users.
- Comprehensive Remote Support: While we do not have on-site service teams in Saudi Arabia, we provide comprehensive remote technical support to all our customers. Our experienced technical team is available via email and phone to assist with any questions or issues that may arise, and we can guide your local technicians through most troubleshooting and maintenance procedures.
50 kW Diesel Generator For Sale
Contact us today to discuss your specific power requirements. Our technical team will work with you to design a customized power solution that fits your needs and budget, ensuring that your business can operate smoothly and efficiently no matter what happens to the grid.
