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.

Guangzhou Zhenhui Machinery Co., Ltd. was established in 2012. It is a modern enterprise specializing in the production of excavator accessories and various supporting operating devices for excavators. It has various imported high-end production equipment and precision testing equipment from Germany and Japan, and has its own Brand Wakestone. We firmly believe that quality is the life of an enterprise, seize the source of quality, strictly control the quality and production process of self-made parts in production, and create high-quality products.
The company mainly produces:
Hydraulic breaker, hydraulic breaker accessories, quick connector, hydraulic grab, soil ripper, vibrator, crushing tongs, hydraulic shears, hydraulic suction cup, rotary drill, tree digging knife, bamboo cutter;
Excavator accessories: engine, hydraulic pump, swing motor, travel motor, main control valve, rotary joint, hydraulic seal kit, bucket, ripper, chassis parts.
Hydraulic breaker parts are suitable for: KRUPP, ATLAS COPCO, SOOSAN, FURUKAWA, SANDVIK/RAMMER, MONTBERT, INDECO, N.P.K, TOKU, DAEMO, MKB, TEISAKU, HANMA, HANWOOD, MSB, GENERAL BREAKER, COMET, MIRACLE, TOYO, OKADA , KCB, DOUBLE BULL, NUKES, A ONE, EDT, KWANGLIM, BLT, DAEKKD, etc.;

Excavator accessories are suitable for: Carter, Komatsu, Hitachi, Volvo, Hyundai, Kobelco, Sumitomo, Kato, Doosan, JCB, Sany Heavy Industry, Liugong, XCMG, Zoomlion, etc.; OEM and ODM services are provided.
The Wakestone Machinery Co., Ltd. dealer system can provide you with one-stop purchasing, diversified engineering solutions, and has established long-term cooperative relationships with customers from all over the world. The sales markets include Europe, the United States, the Middle East, Southeast Asia, etc.
Guangzhou Zhenhui Machinery Co., Ltd. cherishes the trust of customers, attaches great importance to product quality, provides high-quality products and services, and creates the greatest value for customers is our responsibility. We pay attention to customer needs and seek opportunities for win-win cooperation!