Wuxi Sanyou Auto Electrical Factory Home / Products / Nikko Alternator / Nikko 24V 50A 7PK70 Alternator for Case, Hitachi & John Deere – Compatible with 11833N, 0-35000-4648
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Nikko 24V 50A 7PK70 Alternator for Case, Hitachi & John Deere – Compatible with 11833N, 0-35000-4648

This 24V 50A alternator is engineered for Tier 4 Final excavators powered by the Isuzu 4JJ1 engine—where stable voltage is critical for engine control, DEF injection, and aftertreatment monitoring. The 7-groove (7PK) design matches the OEM-specified belt routing on Case CX130–CX160D, Hitachi ZX130–ZX180LCN, and John Deere 135G/P series, ensuring proper clearance around the air conditioning compressor and hydraulic pump drives.

It replaces:
WAI 11833N, Lester 11833, Case 87709229,
Isuzu 8-98092-112-1 / 8-97683-589-0,
JCB 714-40526, and Nikko 0-35000-4648 / 0-35000-4858.

Manufactured by SANYOU, the 70mm pulley diameter maintains the factory crankshaft-to-alternator speed ratio—preserving charge output at low-idle conditions common during precision digging or grading. This prevents voltage drop during extended low-RPM operation, supporting consistent sensor and controller performance across the machine’s electrical architecture.

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  • Nikko 24V 50A 7PK70 Alternator for Case, Hitachi & John Deere – Compatible with 11833N, 0-35000-4648
  • Nikko 24V 50A 7PK70 Alternator for Case, Hitachi & John Deere – Compatible with 11833N, 0-35000-4648
  • Nikko 24V 50A 7PK70 Alternator for Case, Hitachi & John Deere – Compatible with 11833N, 0-35000-4648
  • Nikko 24V 50A 7PK70 Alternator for Case, Hitachi & John Deere – Compatible with 11833N, 0-35000-4648
  • Nikko 24V 50A 7PK70 Alternator for Case, Hitachi & John Deere – Compatible with 11833N, 0-35000-4648
  • Nikko 24V 50A 7PK70 Alternator for Case, Hitachi & John Deere – Compatible with 11833N, 0-35000-4648
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Wuxi Sanyou Auto Electrical Factory
Wuxi Sanyou Auto Electrical Factory

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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