40H Excavator Coupling | Heavy-Duty Hydraulic Drive Shaft Coupler for Excavator Power Transmission

✅ Why Choose Us

✔ Excavator Coupling Specialist
We supply a full range of excavator couplings including 40H, 45H, 50AS, and more — built for durability, precise fit, and high torque transmission.

✔ 12+ Years of Industry Experience
With over a decade of experience, we serve professional clients across construction, mining, and machinery industries in more than 80 countries.

✔ OEM-Grade Quality
All couplings are made of premium steel or alloy, heat-treated for strength and wear resistance, ensuring reliable operation under high-load conditions.

✔ Customization Available
We support non-standard size and design customization. Provide your drawing or sample — we’ll manufacture what you need.

✔ Global Shipping & Fast Delivery
We ship globally by air, sea, and express. Stock items can be dispatched within 3–5 working days.

✔ Technical Support & Model Matching
Our experienced team offers professional model matching and technical guidance to ensure compatibility and installation accuracy.

✔ Factory-Direct Price
We offer competitive pricing with no middlemen — maximizing your value without sacrificing quality.

More available products

1. Chassis spare parts: track shoes, track links, bolts, supporting wheels, sprockets, front idlers, idler pads, etc.

2. Engine spare parts: engine assembly, cylinder head, cylinder block, turbocharger, piston, piston ring, hardware, crankshaft, oil pump, fuel injection pump, water pump, AC generator, starter motor, etc.

3. Hydraulic spare parts: main valve, main pump, solenoid valve, boom cylinder, final drive, travel motor, slewing mechanism, slewing motor, etc.

4. Cab spare parts: cab assembly, display, controller, engine controller, wiring harness, seat, air conditioner, air compressor, etc.

5. Cooling parts: radiator, heat sink, air conditioner, compressor, aftercooler, water cooler, hydraulic oil cooler, etc.

6. Other parts: repair kit, slewing circle, engine hood, swivel joint, fuel tank, filter, boom, bucket rod, bucket, etc.