Image for illustration purposes only. Actual product may vary in appearance.
Caterpillar
Caterpillar SR4B Synchronous Generator
Model: SR4B
4-hour response · Pricing in SAR · Delivery across all KSA regions
Caterpillar SR4B Synchronous Generator
The Caterpillar SR4B Synchronous Generator is the alternator of choice for Saudi Arabia's Cat diesel generator sets, custom OEM power systems, and industrial drive applications. Designed specifically by Caterpillar for optimal integration with Cat engines, the SR4B achieves superior power quality with total harmonic distortion (THD) below 5% meeting IEEE 519 power quality standards for sensitive Saudi industrial loads. Its class H insulation withstands the temperature extremes of Saudi Arabia's hot ambient conditions without voltage regulation degradation. The SR4B's brushless excitation system with permanent magnet generator (PMG) provides reliable excitation even during sustained short circuit conditions, protecting Saudi Aramco and SABIC plant switchgear from voltage collapse. Available in single and three-phase configurations from 10 kVA to 3000 kVA for the full range of Saudi power requirements.
Technical Specifications
Full specifications for the SR4B
- Range
- 10-3000 kVA
- Phases
- 1-phase and 3-phase
- Insulation
- Class H
- THD
- <5% at full linear load
- Excitation
- Brushless PMG
- Voltage Regulation
- ±0.5% (AVR)
- Pitch
- 2/3 pitch winding
- Efficiency
- >95%
- Ambient
- -20°C to +70°C
- Certification
- ISO 8528-3, IEC 60034
Key Features & Benefits
- PMG permanent magnet generator excitation maintains stable output voltage during motor starting transients in Saudi Arabia's large motor loads at Aramco pump stations.
- Class H 180°C insulation rating handles ambient temperatures above 50°C without derating, essential for SR4B alternators in outdoor Saudi Arabia desert generator installations.
- <5% THD meets IEEE 519 power quality requirements for Saudi hospital, data center, and industrial variable speed drive loads sensitive to harmonic distortion.
- 2/3 pitch winding eliminates third harmonics from the output voltage waveform, preventing neutral conductor overloading in Saudi 4-wire distribution systems.
- IEC 60034 and ISO 8528-3 dual certification satisfies Saudi Aramco and international project electrical specifications for generator set alternator performance.
Industrial Applications in Saudi Arabia
- Saudi Aramco diesel genset alternator replacement and upgrade for extended service life alternators requiring factory-spec Cat SR4B replacement.
- Custom OEM power systems for Saudi Vision 2030 manufacturing automation, packaging machinery, and process equipment requiring integrated alternator-engine solutions.
- Saudi renewable energy hybrid systems using Cat diesel as backup alongside solar PV, requiring power quality alternator for clean power integration.
- Saudi industrial variable speed drive applications requiring low-THD power source for sensitive drive electronics in MAADEN and SABIC motor drive systems.
- Saudi hospital and data center critical power systems requiring PMG excitation for reliable voltage response during fault conditions and heavy load starts.
Industrial Supplier in Saudi Arabia
Get a Quote for the Caterpillar SR4B Synchronous Generator
We respond within 4 business hours. Send model SR4B for competitive pricing in SAR with delivery across Saudi Arabia and the GCC.
Frequently Asked Questions — SR4B
Common questions from buyers in Saudi Arabia and the GCC
What is the Caterpillar SR4B Synchronous Generator (SR4B) and what is it used for?
The Caterpillar SR4B Synchronous Generator is the alternator of choice for Saudi Arabia's Cat diesel generator sets, custom OEM power systems, and industrial drive applications. Designed specifically by Caterpillar for optimal integration with Cat engines, the SR4B achieves superior power quality with total harmonic distortion (THD) below 5% meeting IEEE 519 power quality standards for sensitive Saudi industrial loads. Its class H insulation withstands the temperature extremes of Saudi Arabia's hot ambient conditions without voltage regulation degradation. The SR4B's brushless excitation system with permanent magnet generator (PMG) provides reliable excitation even during sustained short circuit conditions, protecting Saudi Aramco and SABIC plant switchgear from voltage collapse. Available in single and three-phase configurations from 10 kVA to 3000 kVA for the full range of Saudi power requirements.
Where can I buy the Caterpillar SR4B in Saudi Arabia?
Razz Middle East supplies genuine Caterpillar products including the Caterpillar SR4B Synchronous Generator (SR4B) across all regions of Saudi Arabia — Riyadh, Jeddah, Dammam, Al Khobar, Jubail, Yanbu, Mecca, and Medina. We source fast-moving items to order and can source specialist configurations. Request a quote on this page for same-day pricing.
How do I get the best price for the SR4B in KSA?
Click "Request Free Quote" on this page or message us the model number SR4B on WhatsApp. Our technical sales team responds within 4 business hours with a competitive price in SAR, confirmed availability and delivery lead time — with no hidden charges or handling fees.
Is Razz Middle East an authorized Caterpillar supplier in Saudi Arabia?
Razz Middle East is a specialist industrial equipment supplier in Saudi Arabia focused on Caterpillar and other leading global brands. We supply 100% genuine OEM products backed by full manufacturer warranty, serving the oil & gas, petrochemical, power generation, water, construction, and manufacturing sectors across the Kingdom.
What is the delivery lead time for the Caterpillar SR4B Synchronous Generator in Saudi Arabia?
In-stock items typically ship within 24-48 hours to Riyadh, Dammam, Jeddah, and the Eastern Province. Project orders and non-standard configurations generally take 2-6 weeks. Contact us with the exact model number SR4B for a precise availability confirmation and delivery date.
Can the SR4B be supplied for ARAMCO, SABIC, or NEOM projects in KSA?
Yes. Razz Middle East has experience supplying Caterpillar equipment to major industrial projects and EPC contractors across Saudi Arabia. We can provide full technical documentation, Material Inspection Reports (MIR), and certificates of conformity to meet vendor approval requirements. Contact our project team to discuss your specific project requirements.
More Caterpillar Products
Caterpillar G3516 – Gas Generator kVA Diesel Generator
G3516
Caterpillar G3520 – Gas Generator kVA Diesel Generator
G3520
Caterpillar G3520 Natural Gas Generator Set
G3520
Caterpillar UPS300 – 300 kVA kVA Diesel Generator
UPS300
Caterpillar UPS500 – 500 kVA kVA Diesel Generator
UPS500
Caterpillar XQ100 – 100 kVA Diesel Generator
XQ100