First-stage sun gear wear causes slow travel & track timing errors. XKAQ-00203 integrates gear teeth + final drive shaft in one forged unit. Eliminates spline loose fit. Restore straight line tracking now.
Item NO.:
XKAQ-00203Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSWhy assemble separate gears and shafts when they wear out faster? XKAQ‑00203 delivers a unified design with hardened tooth flanks and a flexible shaft core. The result? 35% longer service life compared to traditional two‑piece setups. Three grades (OEM/OEM+/Aftermarket) ready for wholesalers and miners.

| Part Number | XKAQ-00203 |
|---|---|
| Part Name | Sun Gear |
| Compatible Brand | HYUNDAI |
| Applicable Models |
|
| Application | Excavator hydraulic system |
| Material | 42CrMo forged alloy steel |
| Product Color | Black manganese phosphate coating |
| Working Temperature | -40°C to +100°C |
| Key Function | First-stage torque input from hydraulic motor; transfers power to planet gears; serves as final drive shaft |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Gear teeth and shaft are one solid piece, eliminating spline looseness and torsional backlash common in assembled units.

Teeth case-hardened to HRC 58-62 while shaft core maintains HRC 32-38 for impact toughness and bend resistance.

AGMA Class 10 finish ensures quiet operation and equal load sharing across all first-stage planet gears.

Engineered for travel reduction units on Hyundai R330-9 and compatible 30-ton class excavators.

FAQ
A: We provide original, OEM, and high-quality aftermarket versions with stable supply capability.
Q:Why Choose RITO?
A:Listed Factory
Stable&Reliable Quality
OEM Factory for Chinese Top Excavator Brands
Supplier to Fortune 500 Companies
Leave A Message
Scan to wechat :