English
This alternator is engineered as a replacement option for Komatsu PC200 and PC220 diesel excavators and corresponds to the Denso reference numbers 101211-4050, 101211-7960, and 102211-4050. It operates at 24 volts, delivers 60 amps, and features an 8-groove pulley with a 77 mm diameter, matching the structure of the original Denso configuration.
The unit is produced using 100 percent new components, ensuring stable electrical output for heavy-duty construction equipment. It is compatible with associated OEM part numbers from WAI (12775N), LESTER (12775), and Komatsu (600-861-6410 / 600-861-6410-2 / 600-861-6420), making it suitable for a wide range of replacement or maintenance needs within the PC200 and PC220 equipment series.
The manufacturing process follows strict quality control to maintain performance consistency and durability. Its electrical output and mechanical fitment are aligned with original factory requirements, offering dependable charging performance for excavator operating conditions.
Mounting Dimensions
Specifications
OEM NO.
Applications
| Specifications | MFR | DENSO |
| Voltage | 24 | |
| Amp. | 60 | |
| Grooves | 8 | |
| Pulley | 77 |
| WAI | 12775N, 101211-7960, 102211-4050 |
| LESTER | 12775 |
| DENSO | 101211-4050, 101211-7960, 102211-4050 |
| KOMATSU | 600-861-6410, 600-861-6410-2, 600-861-6420 |
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, OEM Denso 24V 60A Alternator for Komatsu PC200 PC220 | 8-Groove 77mm Pulley Replacement Unit, 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. Wholesale Denso 24V 60A Alternator for Komatsu PC200 PC220 | 8-Groove 77mm Pulley Replacement Unit. 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.
The Alternator's Role Across Vehicle and Equipment Categories Every internal combustion engine platform — from a passenger car to a 400-horsepower combine harvester to a mining-class excavator — depe...
READ MOREWhy Alternator Requirements Vary Across Heavy Equipment Categories Truck alternators, agricultural equipment alternators, and construction machinery alternators share the same core function — convert...
READ MOREWhat an Alternator Actually Does in a Vehicle An alternator is the primary charging component in any vehicle's electrical system. While the battery provides the initial burst of power to start the en...
READ MORE