Swing backlash increasing or gearbox leaking on your HD450VII? A worn SG04 MFB80 swing reduction gearbox loses planetary mesh precision, causing cab jolt at direction reversal. The SG04 MFB80 is a Nabtesco swing gearbox used on HD450VII, E312B, LS265FJ excavators. RITO supplies this robust swing gearbox assembly to restore precise, backlash-free cab rotation.
Item NO.:
SG04 MFB80Order(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In StockSG04 MFB80 Swing Reduction Gearbox for Nabtesco swing drive on HD450VII, E312B, LS265FJ excavators. Multi-stage planetary reduction with heat-treated gear elements and factory-controlled backlash delivers smooth, responsive swing from installation.
| Part Number | SG04 MFB80 |
|---|---|
| Part Name | Excavator Swing Reduction Gearbox |
| Compatible Brand | Nabtesco (SG04 MFB80) |
| Applicable Models | HD450VII, E312B, LS265FJ Excavator |
| Application | Swing reduction gearbox for HD450VII, E312B, LS265FJ |
| Material | High-strength alloy steel |
| Product Color | Metallic industrial finish |
| Working Temperature | -25°C~+60°C |
| Key Function | Reduces swing motor speed and multiplies torque for upper structure rotation |
| Condition | 100% New Aftermarket OEM Quality |
| Packaging | Wooden Case Reinforced Carton Neutral Packing Customized Box |
The SG04 MFB80 components are machined to OEM clearance for correct fit and restored volumetric efficiency on HD450VII, E312B, LS265FJ machines.
High-grade alloy steel and phosphor bronze construction withstand the pressure loads of Nabtesco systems in continuous duty.
Supplied ready for installation with the components required to rebuild the SG04 MFB80 drive group in one order.
The SG04 MFB80 covers HD450VII, E312B, LS265FJ - one part number serving multiple machine models.
FAQ
Q: Which excavator models does the SG04 MFB80 fit?
A: The SG04 MFB80 is used on HD450VII, E312B, LS265FJ excavators. Confirm your machine model and serial number for exact application.
Q: What symptoms indicate the SG04 MFB80 needs replacing?
A: Swing backlash increases and the cab jolts at direction reversal.
Q: What is included with the SG04 MFB80?
A: The SG04 MFB80 is supplied as a complete assembly/kitset ready for installation. Confirm exact scope with our team for your machine.
Q: How to confirm the SG04 MFB80 is the correct part for my machine?
A: Match the part number SG04 MFB80 and confirm the machine model is HD450VII / E312B / LS265FJ. Provide the machine serial number for cross-reference.
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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