XZR8®
Yuchai JFZ235-17A Alternator Assembly
Yuchai JFZ235-17A Alternator Assembly - Image 2
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Yuchai JFZ235-17A Alternator Assembly


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Rated Voltage28V
Rated Current70A
Pulley Type8PK Serpentine
Mounting TypeSAE J180 Hinge Mount
RotationClockwise (Drive End View)
Regulator TypeInternal Solid State
Output TerminalM6 Stud
Insulation ClassClass H (180°C)
Operating Temperature-40°C to +105°C
Weight9.5 kg
Package Dimensions30 × 20 × 20 cm

Manufacturer No.

  • JFZ235-17A
  • 670A-3701100

OEM Part No.

  • A3008-3701100
  • K6100-3701100
  • JYA00-3701100
  • J3601-3701100A
  • B8400-3701100
  • 311-3701100
  • A50000-3701100
  • A4137-3701010

Engine Part No.

  • Yuchai YC6108ZQB
  • Yuchai YC6108
  • Yuchai YC6B125
  • Yuchai YC6J125
  • Yuchai YC4D80
  • Yuchai YC6J190

Interchange No.

  • A3008-3701100
  • K6100-3701100
  • JYA00-3701100
  • J3601-3701100A
  • B8400-3701100

Fitment Vehicles

  • XGMA XG932 Wheel Loader
  • XGMA XG935 Wheel Loader
  • Sinotruk Heavy Truck
  • Foton Truck
  • DFSK Light Truck
  • Great Wall Hover H5
The Yuchai JFZ235-17A alternator is a 28V 70A charging system component designed for Yuchai YC6108 series diesel engines. It features a brush-type rotor with integrated voltage regulator for stable output under variable engine speeds and electrical loads. The unit utilizes a multi-groove serpentine pulley (8PK profile) for belt drive compatibility. Housing is aluminum alloy with forced-air cooling via internal fan. Mounting configuration follows SAE J180 hinge-mount pattern with dual pivot ears and adjustable tension arm. Output terminal is M6 stud type; regulator sense terminal is blade connector. Designed for 24V/28V negative-ground electrical systems in heavy-duty commercial vehicles and construction equipment. Operating temperature range -40°C to +105°C. Meets ISO 8854 performance standards for alternator durability and electromagnetic compatibility.