Locking Hub Gear for 4WD Transfer Case
FRING’s locking hub gears for 4WD transfer cases are high-torque powder metallurgy components that engage and disengage front axle drive. Manufactured to precise spline and tooth profiles, these gears provide reliable shift-on-fly engagement and fatigue resistance under off-road and towing loads.
Main Datasheet
Applicable Specifications
Stringent Standards, Precision Specifications, Ultimate Reliability
Design & Quality Standards
MPIF 35, ASTM B883, IATF 16949, AGMA 2000
Standard Material Grades
MPIF: FN-0405, FL-4605
Typical Material Properties (Heat Treated)
Density ≥7.0 g/cm³ Hardness 30 – 40 HRC Impact Strength ≥20 J Tensile Strength ≥600 MPa
Net-Shape Dimensional Tolerances
Spline Profile: ±0.03 mm Tooth Spacing: ±0.02 mm Runout: ≤0.05 mm
Special Process Capability
Heat Treatment (Carburizing/Induction), Surface Coating (Manganese Phosphate)
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MOQ: 500–2000 pcs (Negotiable depending on part design and volume)
Lead Time: 2–3 weeks for standard parts, 3–5 weeks for custom parts
OEM/ODM: Available
Engineering Support: Yes (Drawing review + Material selection + Magnetic/Mechanical parameter optimization)
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