Experiencing severe input oil seal blowouts, rapid drive shaft spline rounding, or a heavy structural rattling echoing across your engine flywheel junction? Any microscopic twist or concentricity error along a worn main shaft throws the entire piston rotating group out of line, causing internal valve friction and costly pump housing cracks. Safeguard your engine coupling core with the precision-ground RITO 312104 hydraulic pump main drive shaft.
Item NO.:
312104Order(MOQ):
1Payment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANLead Time:
2-3 DAYSExperiencing severe input oil seal blowouts, rapid drive shaft spline rounding, or a heavy structural rattling echoing across your engine flywheel junction? Any microscopic twist or concentricity error along a worn main shaft throws the entire piston rotating group out of line, causing internal valve friction and costly pump housing cracks. Safeguard your engine coupling core with the precision-ground RITO 312104 hydraulic pump main drive shaft.

| Part Number | 312104 |
|---|---|
| Part Name | Hydraulic Pump Main Drive Shaft Spline Shaft Excavator Pump Driving Device |
| Compatible Brand | Tongmyung |
| Applicable Models | EX200-1 Excavators |
| Application | Excavator hydraulic system |
| Material | High-Hardness Alloy Steel |
| Product Color | Polished Steel Silver and Bright Golden Bronze |
| Working Temperature | -35°C to 125°C |
| Key Function | Delivering engine mechanical drive from the flywheel into the main pump internal rotating groups |
| Condition | 100% New, Aftermarket / OEM Quality |
| Packaging | Wooden Case/Reinforced Carton/Neutral Packing / Customized Box |

Forged from premium alloy steel to withstand continuous twisting loads without structural cracking.

Mirror-polished surface finish reduces friction heat to protect sensitive high-speed shaft seals.

Precision-machined line balance prevents destructive harmonic vibrations from destroying adjacent cylinder components.


FAQ
Q: What quality options are available?
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
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