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Construction Machinery Solutions

Hydraulics is mechanical function that operates through the force of fluid pressure. Mechanical movement is provided by pumped liquid through actuators. (Hydraulic cylinders or motors) In hydraulic systems, energy can be transferred to long distances and they can be efficient if they are well designed/maintained.
Crawler Crane Solution
One-Stop Hydraulic Solutions for Crawler Cranes
We offer top-notch hydraulic pumps, valves, and motors for crawler cranes. Ideal for open-loop circuits, our products feature low noise, short response times, and a compact design. With a high power-to-weight ratio and multiple control options, they can handle heavy loads. Their through-shaft structure enables tandem use, ensuring efficient and reliable crane operation.

◎ Main Hydraulic Pump: A11VLO190/260; A11VLO190/260
◎ Luffing Motor: A2FM80/107; A2FM80/107
◎ Hoist Motor: A6VM107/160/200; A6VM107/160/200
◎ Traveling Motor: A2FE107/125; A2FE107/125; A6VE160
Large Excavator Solution
Hydraulic Solutions for Aerial Work Platforms
We provide comprehensive hydraulic solutions for aerial work platforms, with our main pump A4VG56 at the core. As a swash-plate type pump, it's designed for closed-loop hydraulic circuits. It features quick response, a compact structure, multiple control methods, and integrated functions. Its through-shaft design allows tandem use. Ideal for ensuring reliable and efficient operation of aerial work platforms.

◎ Main Hydraulic Pump: A4VG56
◎ Quick Response: Bidirectional variable mechanism, fast response, good centering.
◎ Precise Control: Proportional electro - control for high accuracy.
◎ Long - lasting: Imported bearings ensure long service life.
◎ Integrated Design: Manual lowering & flow control valves, suitable for single - acting apps.
◎ Versatile Valves: 2/2 cartridge valves (NC/NO), flow control for cylinders.
Pavement Construction Machinery Solution
Hydraulic Solutions for Pavement Construction Machinery
We offer comprehensive hydraulic solutions for pavement construction machinery. Our main pumps like A4VG56/71 and swing motors such as A2FM28 are key components. Products like A2FM and A2FE come in various displacements. With features like tapered roller bearings for high-speed and long-life, conical pistons for shock resistance, and more, they ensure reliable and efficient operation.

◎ Main Hydraulic Pump: A4VG56/71
◎ Vibration Motor: A2FM28
Truck Crane Solution
One - Stop Hydraulic Solutions for Truck Cranes
We also provide comprehensive hydraulic solutions for truck cranes, with the products covering hydraulic motors, hydraulic valves and hydraulic pumps, all of which work to ensure reliable and efficient operation, meeting the demanding requirements of truck crane applications.

◎ Main Hydraulic Pump: A11VO115/125/130/145; A11VLO145/190
◎ Hoist Motor: A6VM107/160/200
◎ Hydraulic Slew Motor: A2FM28
Wheel Excavator Solution
All-in-One Hydraulic Solutions for Wheel Excavators
Tired of unreliable hydraulic performance in your wheel excavators? We've got you covered. Our main pumps (A11VO95/115) and travel motors (A6VM80/107/115/160) address common pain points like inconsistent power and frequent breakdowns. With our solutions, enjoy smooth operation, enhanced durability, and efficient performance for both travel and work - equipment actuation.

◎ Main Hydraulic Pump: A11VO95/115
◎ Traveling Motor: A6VM80/107/115/160
Concreting Machinery Solution
Tailored Hydraulic Solutions for Concreting Machinery
Concreting machinery often faces issues like erratic operation and component wear- and-tear. Our solutions, featuring main pump A4VG90 and slewing motor A2FM80/90, tackle these pain points. They ensure stable power delivery, reducing downtime and enhancing the longevity of your equipment. Experience smoother, more reliable performance in your concreting operations.

◎ Main Hydraulic Pump: A4VG90
◎ Hydraulic Slew Motor: A2FM80/90
Rotary Drilling Rig Solution
Specialized Hydraulic Solutions for Rotary Drilling Rigs
Rotary drilling rigs commonly suffer from problems like power-hungry operations and unreliable component performance. Our offerings, including hoisting motors (A6VM (E) 160/200), hydraulic slew motor ( A2FM45), and main hydraulic pumps (A11VLO190LRDS), address these pain points. They ensure efficient power delivery, enhance durability, and minimize downtime, enabling smoother and more dependable drilling operations.

◎ Main Hydraulic Pump: A11VLO190LRDS
◎ Hydraulic Slew Motor: A2FM45
◎ Auxiliary Slew Motor: A2FM80/107
◎ Variable Boom Motor: A2FM80/107; A2FM80/107
◎ Hoist Motor: A6VM (E) 160/200
◎ Traveling Motor: 2FEE107/125+BVD; A6VE160HZ3
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You Can Find Us Here
S10-6-5, Water Port Function area, l Lan Glu-C UN Tan Free Trade Port Area, Jiang B EI District, Chongqing
ChangJia is a global leader in hydraulic technology, integrating R&D, manufacturing, sales, and service to drive innovation and production of core hydraulic components.

 Public Mailbox: info@changjia.com

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Tina
Tel: +86 135 0836 3447
WhatsApp: +86 135 0836 3447
Email: tina@changjia.com
Anne
Tel: +86 158 2639 0716
WhatsApp: +86 158 2639 0716
Email: anne@changjia.com
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