Are you facing excessive play in your excavator bucket linkage? Precision-engineered Bucket Bushing 140-160-140 (also known as 140160140) is the critical component needed to restore the stability and efficiency of your Komatsu PC400 and PC450 series machines. As a specialized heavy equipment parts supplier, we provide OEM-standard replacements designed to withstand extreme breakout forces in mining and construction environments.
Current Status: In Stock / Ready for International Shipping
| Model NO. | PC400, PC400LC-7, PC400LC-8, PC450, PC450LC-8 |
| Product Name | Bucket Bushing / Arm Tip Bushing (斗轴套) |
| Part Number | 140-160-140 / 140160140 |
| Dimensions | Inner Diameter 140mm x Outer Diameter 160mm x Length 140mm |
| Type | Hardened Steel / Induction Hardened Bushing |
| Condition | Brand New, OEM Standard Replacement |
| Application | Excavator Bucket Linkage, Arm, and H-Link Maintenance |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express (DHL, Fedex, EMS, UPS), Air Freight, Sea Freight |
When sourcing heavy-duty components, the difference is in the durability of the steel and the precision of the fit.
| Key Features | Standard Aftermarket | Our OEM-Standard Bushing |
|---|---|---|
| Material Grade | Low Carbon Steel | 40Cr / 42CrMo High-Strength Alloy |
| Heat Treatment | Surface quenching only | Deep Induction Hardened (HRC 52-58) |
| Internal Grooving | Simple spiral | Optimized Cross-Pattern for superior lubrication |
| Fitting Precision | +/- 0.05mm | Strict +/- 0.02mm for seamless installation |
| Wear Life | Short (High maintenance frequency) | Extended service life in high-abrasion soil |
| Price/Value | Low initial cost, high downtime | Best ROI through reduced replacement cycles |
A worn-out bucket bushing can lead to pin breakage or ovalization of the bucket arm holes, resulting in thousands of dollars in line-boring costs.
Our team helps operators:
Identify potential risks during routine maintenance checks.
Recommend suitable replacement parts based on your specific workload.
Support both inspection advice and high-quality parts supply.
Send Your Part Number to our experts for a compatibility check and instant quote.
Or Email us: [email protected]
Q: What causes the 140-160-140 bushing to wear prematurely?
A: Excessive play is often caused by lack of regular greasing or operating in extremely abrasive environments without proper dust seals. If you hear metallic clunking during bucket operation, it is time for an inspection.
Q: How do I replace the bucket bushing on a PC450 excavator?
A: It requires removing the bucket pin, cleaning the arm bore, and often using dry ice to shrink the new 140160140 bushing for easier insertion. Ensure the lubrication holes align perfectly with the grease fittings.
Q: Why Choose This Bucket Bushing?
A: Our parts feature an OEM-standard tri-metal structure or high-carbon alloy steel, trusted by repair shops and equipment fleets globally for reliable performance in heavy-duty applications.
We are a leading distributor specializing in high-performance engine assemblies and precision spare parts. Whether you are performing a minor repair or a complete engine rebuild, we have the stock to keep your fleet moving.
Our core inventory covers world-renowned brands including Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. We provide everything from Cylinder Liners and Pistons to Turbochargers and Overhaul Gasket Kits.
Click the button below to visit our Facebook profile and stay updated with the latest news and updates!
Visit Facebook Profile
English
English