English
This alternator is designed for a wide range of CASE and New Holland Industrial equipment and corresponds to Denso reference 102211-9090. It operates at 12 volts, delivers 90 amps, and features an 8-groove pulley with a 55 mm diameter, providing a structural match with the original Denso configuration used in multiple construction and agricultural machinery platforms.
It is compatible with OEM and cross-reference numbers, including WAI 12776N, LESTER 12776, CASE 87422777, and the original reference 87422777, ensuring suitability for maintenance and replacement across various engine types such as 390 Diesel, Case 445T/M2, Case 445TA/E3, Case 4.5L, and Case 6.7L.
This alternator supports numerous CASE models, including 570MXT Series III, 580M Series II & III, 580SM Series II & III, 586G Series III, 590SM Series II & III, and crawler dozer models 650L, 750L, and 850L spanning 2001–2015. It is equally compatible with New Holland Industrial models such as B90B, B95, B95B, B110, B110B, B115, and B115B, covering equipment powered by FPT 4.5L diesel engines between 2006 and 2015.
Manufactured using 100 percent new components, the unit provides stable charging output and consistent performance for heavy-duty operating environments. The production process adheres to strict quality requirements to maintain reliability, mechanical fitment, and electrical efficiency aligned with the original factory standards. Its durability and output characteristics make it suitable for construction loaders, backhoe loaders, and industrial equipment requiring dependable alternator operation.
Mounting Dimensions
Specifications
OEM NO.
Applications
| Specifications | MFR | DENSO |
| Voltage | 12 | |
| Amp. | 90 | |
| Grooves | 8 | |
| Pulley | 55 |
| WAI | 12776N |
| LESTER | 12776 |
| CASE | 87422777 |
| DENSO | 102211-9090 |
| ORIGINAL REFERENCE | 87422777 |
KEEP IN TOUCH
Our factory specializes in producing starters, generators, and spare parts for automobiles, tractors, and internal combustion engines. We possess advanced production and processing technology, complete equipment, and rigorous testing methods. Through years of hard work and entrepreneurship, we have gradually developed into a company of considerable scale and strength. Our "Xiyun" brand has gained considerable influence in the industry, and our products are sold throughout China. Some of our parts are exported to the United States, Canada, Russia, Brazil, and other countries, enjoying widespread popularity and praise from users.
Our factory currently has fixed assets of over 5 million RMB, working capital of over 4 million RMB, covering an area of over 20,000 square meters, with a building area of over 12,000 square meters. We currently produce DC starters and AC generators for construction machinery. Our main equipment includes 2 large hydraulic presses, 5 medium and small hydraulic presses, over 30 machine tools such as lathes, grinders, and milling machines, and over 50 sets of various specialized testing equipment. We have over 60 employees, including 3 engineers, 5 technicians, and 9 full-time technical personnel. Currently, the factory has an annual production capacity of over 150,000 starters, over 200,000 generators, over 150,000 armatures, and over 150,000 electromagnetic switches.
Our factory has a sound organizational structure. The factory has five management departments: quality inspection, technology, production, sales and marketing, and finance; and three workshops: generator assembly, starter assembly, and machining. Various organizational management regulations and training plans are being further improved to ensure high-efficiency and high-quality production.
Our factory passed ISO9000 international quality system certification in December 2000, was rated as an AAA-level credit enterprise in 2001, and passed IATF16949 certification in 2023. Currently, our factory supplies main engine manufacturers including Shanghai Diesel Engine Factory, Nantong Diesel Engine Factory, Guiyang Diesel Engine Factory, Wuxi Power Engineering Co., Ltd., and Tianjin Power Machinery Factory. Our factory will steadfastly implement the principles of "quality first, customer foremost, strict management, and brand creation," providing our customers with superior products through sincere service and excellent quality.
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