When Komatsu PC140-7 excavator machines begin showing signs of compromised slew accuracy, irregular upper-carriage rotation, and diminishing hydraulic output during high-duty-cycle operations, the root cause often traces back to an aging swing drive. The 20Y-26-00150 replacement motor directly targets these performance shortfalls, helping heavy equipment operators regain precise swing control and sustained job-site productivity.
Item NO.:
20Y-26-00150Order(MOQ):
1pcsPayment:
T/T, WESTERN UNION, CHINESE BANK,PAYPALProduct Origin:
JAPANShipping Port:
Huangpu,GuangzhouLead Time：
In StockConstructed to OEM-comparable quality standards as a straightforward bolt-in replacement unit, the 20Y-26-00150 consistently provides steady high-torque slewing action, limits internal fluid loss, and extends operational lifespan between overhauls - empowering global component distributors.
| Part Number | 20Y-26-00150 |
|---|---|
| Part Name | PC140-7 Excavator Swing Gearbox Assembly |
| Compatible Brand | KOMATSU |
| Applicable Models | PC140-7, PC140, PC150 Excavator |
| Application | Excavator upper structure slewing hydraulic drive system |
| Material | High-strength forged alloy steel housing |
| Product Color | Matte industrial gray with anti-rust coating |
| Working Temperature | -25°C~+60°C |
| Key Function | Converts high-pressure hydraulic fluid into controlled rotary torque |
| Condition | 100% New Aftermarket OEM Quality |
| Packaging | Wooden Case Reinforced Carton Neutral Packing Customized Box |
Provides powerful and stable rotary force for PC140-7, PC140, PC150 excavator upper structure rotation and swing operations.
Converts hydraulic pressure into controlled rotary movement for smooth and precise swing operation.
Provides stable speed reduction, increased torque output, and efficient power transmission under heavy-duty excavation conditions.
Matches 20Y-26-00150 specifications for KOMATSU PC140-7 series excavator hydraulic swing systems.
FAQ
What signals suggest a failing swing motor on a PC140-7 excavator?
Noticeable warning signs comprise unsteady or delayed swing operation, the upper carriage drifting after control lever centering, harsh metallic grinding emanating from the slewing drive, hydraulic oil leaking around motor shaft seals, and gradual loss of rotary force during loaded swings.
What preliminary checks are essential before swapping in a 20Y-26-00150?
Confirm hydraulic oil purity at ISO 4406 18/16/13 level or higher, cross-check main relief pressure with Komatsu factory values, inspect the mounting pad for true flatness and clean all threaded bores, and conduct a comprehensive hydraulic circuit flush.
Q: Is this 20Y-26-00150 a genuine OEM or aftermarket part?
A: This is a 100% new aftermarket assembly manufactured to OEM specifications. RITO HYDRAULIC is a listed supplier to major Chinese excavator OEMs and Fortune 500 companies, ensuring consistent quality, precise fitment, and reliable after-sales support.
Q: How to confirm the 20Y-26-00150 fits my excavator model?
A: Cross-check your existing part number against 20Y-26-00150. This assembly fits PC140-7, PC140, PC150 excavators. Verify the mounting bolt pattern, hydraulic port positions, and output shaft dimensions match your machine. Contact our technical team with your serial number for compatibility confirmation.
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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