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RITO 2112-1248E Swing Pinion Shaft DX225LC DX225 21121248E Swing Gearbox Swing Drive Shaft Excavator Final Drive Gear Shaft

Loose gear play inside a worn reducer quickly strips internal tooth flanks, risking catastrophic bearing seizures that halt your machine completely. Re-establish razor-sharp swing control with the heavy-duty RITO 2112-1248E swing pinion shaft.

  • Item NO.:

    2112-1248
  • Order(MOQ):

    1
  • Payment:

    T/T, WESTERN UNION, CHINESE BANK,PAYPAL
  • Product Origin:

    JAPAN
  • Lead Time:

    2-3 DAYS
  • Product Details
Industrial fleet managers cannot accept sloppy rotational backlash when loading high-sided haul trucks. The rugged RITO 2112-1248E drive gear shaft multiplies hydraulic power into precise, responsive slewing torque while meeting exact factory specifications. Secure this complete shaft unit today to minimize expensive field repair bills.

2112-1248 Drive Shaft

 
Product Specifications

Part Number  2112-1248E
Part Name Swing Gearbox Swing Drive Shaft Excavator Final Drive Gear Shaft
Compatible Brand Doosan
Applicable Models DX225, DX225LC Excavators
Application Excavator hydraulic system
Material High Strength Die-Cast Aluminum and Cast Iron
Product Color Protective Anti-Rust Coating
Working Temperature -20 to 100 degrees Celsius
Key Function Reducing hydraulic motor speed to multiply output rotational torque
Condition 100% New, Aftermarket / OEM Quality
Packaging Wooden Case/Reinforced Carton/Neutral Packing / Customized Box

 

Key Features & Advantages


Precision

High-Density Forged Pinions

Case-hardened output gears easily handle violent inertial stopping forces without cracking.
Leak-Free

Factory Bench-Tested Tolerances

Shipped fully matched to eliminate gear tooth binding during high-load workshop installation.
Direct Fitment

Heavy Forged Alloy Steel

Ultra-thick external body absorbs massive lateral twisting stresses during deep excavation.

Rigorous Testing

Direct Drop-In Mount Layout

Matches factory frame bolt circles circle specifications perfectly to minimize workshop assembly times.

 

 

Excavator Hydraulic Part

FAQ


Q: Fault Diagnosis: What primary mechanical symptoms indicate that the 2112-1248E reduction shaft is severely damaged?
A: Excessive physical wobble in the excavator's upper structure, coarse grinding noises below the floor mat, and heavy accumulation of shiny steel flakes on the magnetic oil dipstick during weekly inspections.
 
Q: Installation Standards: What alignment steps prevent premature bearing wear when replacing this rotary reducer shaft?
A: Mechanics must thoroughly scrape away old sealer from the main frame deck and measure pinion-to-ring-gear backlash with a feeler gauge. Cross-torque all high-tensile base bolts to exact specifications using a calibrated manual wrench.
 
Q: Procurement Verification: Does this 2112-1248E gearbox shaft interfit directly with the factory hydraulic swing motor?
A: Yes, the input spline configuration and bolt circle ring are precision-matched to interface perfectly with standard OEM motor bases. It drops directly onto your DX225 tracked platforms without deck modification.
 
Q: Extreme Environment Performance: How does this swing drive shaft avoid gear tooth stripping during rapid reverse operations in sub-zero mining zones?
A: The planetary carriers are forged from chromium-molybdenum steel alloys subjected to deep thermal tempering. This structural composition retains exceptional impact toughness at low temperatures, preventing brittle tooth fractures during cold shifts.
 

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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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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