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China Professional Brand Hydraulic Excavator Crawler Excavator Machine for Sale with Great quality

Product Description

Brand Hydraulic excavator Crawler Excavator Machine for Sale

2571 NEW Design JKW-385 hydraulic Crawler excavators

High torque engine
New generation high power engine, rated power 198 kW; The engine FuelMap is customized to optimize the overall performance matching and make the overall operating efficiency higher

Electronic positive flow control system
The variables of the main pump and the action of the main valve spool are synchronized to make the hydraulic system operate better and achieve the best working experience with fast and smooth action

Advanced energy saving technology to improve the overall performance
Through the engine main pump main valve optimization matching, the overall control performance greatly improved

 Independently developed control system, optimized matching performance of the whole machine, and improved operating efficiency by 10%;
· Adopt large displacement main pump, with higher efficiency;
· Adopt the working condition adaptive technology, the controller automatically matches the corresponding flow rate after collecting signals, improving the     efficiency;
· Advanced energy-saving compact main valve reduces internal pressure loss by 20%.

JKW-385 New Crawler excavator
Total weight (TON) 36.8 A-Overall length (mm) 11080 O-Maximum excavating height(mm) 9800
1.6-1.9Bucket capacity(m3) 1.6-1.9 B-Overall width (mm) 3190 P-Maximum unloading height(mm) 6830
Engine model Isuzu 6HK1X C-Total height(Swing arm top)(mm) 3180 Q-Maximum excavating depth(mm) 6890
Power(kw/r/min) 212/2000 D-Total height(Cab roof)(mm) 3280 R-Maximum vertical wall excavating depth(mm) 6000
Volume of fuel tank (L) 595 E-Counterweight ground clearance (mm) 1210 T-Maximum excavating distance 10800
Traveling speed (km/h) 5.2/3.3 F-Min. ground clearance (mm) 495 U-Maximum excavating distance at ground level(mm) 10600
Slew speed (r/min) 8.5 G-Turning radius of vehicle tail(mm) 3420 V-Minimum turning radius(mm) 4285
Gradeability(%) 70 H-Ground contact length of track(mm) 4030 W-Maximum height at minimum turning radius(mm) 8500
Bucket excavating force (KN) ISO 245 J-Track shoe length (mm) 4955 X-Distance between the center of gyration and the rear end side(mm) 3420
Bucket rod length(m) 2900 K-Track gauge(mm) 2590 Z-Counterweight height(mm) 2265
Length of swing arm (m) 6470 L-Track shoe width (mm) 3190 A1-Ground contact length(during transportation)(mm) 5720
Ground pressure(KPa) 70.8 M-Track shoe width(mm) 600    
Hydraulic oil tank volume (L) 310 N-Rotary table width(mm) 2995    

After-sales Service: All Countries/Regions in The World
Warranty: 1 Year Warranty Service
Type: Crawler Excavator


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Return&refunds: You can apply for a refund up to 30 days after receipt of the products.


Types of Gearboxes

There are several types of gearboxes. Some are known as helical gear reducers, while others are called planetary gearboxes. The article also discusses Continuously Variable Transmission (CVT) and helical gear reducer. If you are interested in purchasing a new gearbox, make sure to read our articles on these different types. If you are confused, consider reading our articles on planetary gearboxes and helical gear reducers.

planetary gearbox

The planetary gearbox has several advantages. Its compact design and light weight allows it to transmit high torques while remaining quiet. The gears are connected to one another through a carrier, which is typically fixed and helps transmit torques to the output shaft. Its planetary structure arrangement also reduces backlash and provides high rigidity, which is important for quick start and stop cycles and rotational direction change. Depending on the design and performance desired, planetary gearboxes are categorized into three main types:
The type of planetary gears used in a given application determines the overall cost of the unit. Manufacturers offer a range of prices, and they can help you determine which gearbox is right for your needs. You should also ask a manufacturer for the cost of a planetary gearbox. By asking about price and specs, you can avoid wasting money and time on a planetary gearbox that does not perform up to its potential.
A planetary gearbox is probably installed in your new car’s automatic transmission. For more information, consult your owner’s manual or call the dealer’s service department. This type of gearbox is more complex than other types of gearboxes, so if you don’t know much about them, do an internet search for “planetary gearbox.”
The teeth of a planetary gearbox are formed by the stepping motion of two gears: the sun gear and the inner ring. The sun gear is the input, while the planetary gears rotate around the sun gear. Their ratio depends on the number of teeth and the space between the planets. If you have a 24 tooth sun gear, the planetary gears’ ratio will be -3/2. The sun gear is also attached to the axle.
Another advantage of a planetary gear system is that it can generate high torques. The load is shared among multiple planet gears. This makes the gears more resilient to damage. A planetary gearbox can be as high as 332,000 Nm, and can be used in vehicles and industrial applications requiring medium to high torque. A planetary gear system is a great alternative to a traditional transmission. So, how does it work?

helical gearbox

The main difference between the helical gearbox and the spur gear is the center distance between the teeth. The helical gearbox has a larger pitch circle than the spur gear and thus requires a radial module. In addition, the two types of gears can only be made with the same tooth-cutting tool as the spur gear. However, the helical gearbox is more efficient in terms of production costs.
The helical gearbox is a low-power consumption, compact type of gearbox that is used for a wide range of industrial applications. They are highly durable and withstand high loads with utmost efficiency. The helical gearbox can be manufactured in cast steel and iron for small and medium units. This type of gearbox is also commonly used for crushers, conveyors, coolers, and other applications that need low power.
The helical gear has many advantages over the spur gear. It produces less noise. It has less friction and is less likely to wear out. It is also quieter than spur gears. This is because multiple teeth are in mesh. Because the teeth are in mesh, the load is distributed over a larger area, resulting in a smoother transition between gears. The reduction in noise and vibration reduces the risk of damaging the gear.
The helical gear’s axial excitation force is obtained using a linearized equation of motion in the rotational direction. The damping coefficient of the equation is 0.07. The helical gear is made up of a steel shaft with a diameter of 20 mm and a 5 mm thick aluminum plate. The stiffness of the bearing is 6.84 x 107 N/m. The damping force of the plate is 2,040 kg/m2/s.
The worm gearbox has a better efficiency ratio than the helical one, but it is less efficient in low-ratio applications. In general, worm gearboxes are more efficient than helical gearboxes, although there are some exceptions to this rule. A helical gearbox is better for applications that require high torque. It may also be more economical in the long run. If you are considering a helical gearbox, consider the advantages it has over worm gearboxes.

helical gear reducer

A helical gear reducer for a machine’s gearbox is an integral component of the drive system. This unit amplifies torque and controls speed and, therefore, compliments the engine by rotating slower than the engine’s input shaft. A helical gear reducer is a compact gearbox component that is used in industrial applications. A variety of sizes is available to suit various machine configurations. The following sections will discuss some of the different types available.
Designed by experts and engineers, a helical gear reducer is a surprisingly small and light gear that satisfies the needs of many machine applications. It features a large transmission torque, a low starting and running speed, and a fine classification of transmission ratios. A helical gear reducer is lightweight and easily connected to other gears, and it features a high technical content.
In order to avoid errors and poor performance, regular maintenance is a must. The proper lubrication of the gear reducer can minimize failures, errors, and poor performance. Every gear reducer manufacturer sells a suitable lubricant, which must match the properties of the machine’s drive mechanism. It is also advisable to check the lubrication regularly to avoid any deterioration of the unit’s performance.
While the worm gearbox may be better for applications where torque is high, the helical gear reducer offers greater efficiency at lower cost. Although worm gearboxes may be cheaper initially, they are less effective at higher ratios. Even if the worm gear is more expensive to buy, it still offers 94% efficiency, which makes it more cost-effective. There are some significant advantages to both types of gearboxes.
The main advantage of a helical gear reducer over a spur gear is its smoother operation. Unlike spur gears, which have teeth that are straight, helical gears have angled teeth that gradually engage with each other. This helps ensure that the gear does not grind or make excessive noise when it turns. Additionally, they are less commonly used in automation and precision machinery. They are often used in industrial applications.

Continuously variable transmission

A Continuously Variable Transmission (CVT) is an automatic transmission that can run through a vast number of gears. Unlike a standard automatic transmission, it can run at any speed, even at a low rev. The CVT is also capable of running at infinitely low gears. Its basic function is to provide different torque ratios to the engine. In addition to delivering power, CVTs have other benefits.
One of the major advantages of a CVT is its simplicity. Its simplicity translates into fewer moving parts, which means less maintenance. The CVT’s simplicity also means that it can handle a wide variety of different types of road conditions and driving styles. In addition to being a great alternative to a traditional automatic transmission, CVTs can be used on many other types of vehicles, including tractors, snowmobiles, motor scooters, and power tools.
A CVT is much smoother than a conventional automatic transmission. It never has to hunt for a gear. It also responds well to throttle inputs and speed changes. Both of these technologies are available on many modern vehicles, including the Nissan Rogue and Mazda CX-5. It’s important to note that each of these transmissions has its pros and cons. So, if you’re looking for a car with a CVT, make sure to read the reviews. They’ll help you decide which transmission is right for you.
Another advantage of a CVT is its fuel efficiency. Many cars now feature CVTs, and they’re becoming increasingly popular with automakers. In addition to fuel efficiency, most cars with CVTs also have a smoother ride. There’s no more sudden downshifts or gear hunting. This makes driving a lot easier. And, the added benefits of smoother driving make CVTs the ideal choice for many drivers.
Although a CVT is more common among Japanese car manufacturers, you’ll find CVTs on European car models as well. The Mercedes-Benz A-Class, B-Class, and Megane are some examples of vehicles that use this technology. Before making a decision, consider the reliability of the model in question. Consumer Reports is a good resource for this. It also offers a history of use and reliability for every type of car, including the Honda Accord.

China Professional Brand Hydraulic Excavator Crawler Excavator Machine for Sale   with Great quality China Professional Brand Hydraulic Excavator Crawler Excavator Machine for Sale   with Great quality
editor by CX 2023-11-15

China TYSIM KR125C 1500mm Drilling Diameter 43m Depth Mini Foundation Hydraulic Piling Rig Machine gearbox adjustment

Applicable Industries: Construction works
Showroom Location: Canada, Turkey, Italy, France, Germany, Viet Nam, Philippines, Brazil, Indonesia, Russia, Kenya, Colombia, OEM Medical Equipment Plastic Accessories injection Molding for plastic Supplier Sri Lanka, South Africa, Tajikistan, Malaysia, Australia
Video outgoing-inspection: Provided
Machinery Test Report: Provided
Marketing Type: New Product 2571
Warranty of core components: 2 years
Core Components: PLC, Engine, Pump
Condition: New
Efficiency: 104/1800 kW/rpm
Weight: 35000 kg
Dimension(L*W*H): 13830*3080*3590mm
Warranty: 1 Year
Max. torque: 125kN.m
Max. drilling diameter: 1500mm
Max. drilling depth: 43m
Max. cylinder pressure: 100kN
Max. hoist capacity: 150kN
Main winch pull force: 110kN
Auxiliary winch speed: m/min
After-sales Service Provided1: Free spare parts
After-sales Service Provided2: Field installation, commissioning and training
After-sales Service Provided: Field maintenance and repair service
Packaging Details: nude packing

Technical Specification
Type125 kN.m
Torque1300 mm
Max. diameter37 m(standard)/43 m(optional)
Max. drilling depth8~30 rpm
Speed of rotation100 kN
Max. crowd pressure150 kN
Max. crowd pull110 kN
Main winch line pull78 m/min
Main winch line speed60 kN
Auxiliary winch line pull60 m/min
Auxiliary winch line speed3200 mm
Stroke(crowd system)±3°
Mast inclination(lateral)
Mast inclination(forward)35MPa
Max. hydraulic pressure3.9 MPa
Control hydraulic pressure2.8 km/h
Traction force205 kN
Transport height15262 mm
Transport width2980 mm
Transport length3500 mm
Overall weight2980 mm
Q: Are you a trading company or a manufacturer?A: We are a professional manufacturer, and our factory mainly produces hydraulic pilling rig, Custom Plastic Parts Injection Molding Service ABS Nylon PP PA6 Plastic Injection Molded Parts hydraulic pile breaker, telescopic arm and related piling equipment etc. Our products have been exported to more than 50 countries of Asia, South America, Africa, and have developed a good world wide reputation. Q: What kind of product certification do you have?A: All our products have passed ISO9001 and CE certifications and also passed the inspection by the Chinese National Construction Machinery Quality Inspection Center. We have strict quality inspection process including a load test for every machine before leaving our factory in order to offer the best quality machines to our customers.Q: Do you have after sales service?A: Yes, we have special service team which will offer you professional guidance. If need be, we can dispatch our engineer to your worksite to provide training for your staff. For the chassis, eg CAT chassis, we take advantage of their global presence to ensure prompt after service support. During the epidemic, we provided video for machine installation and operations.Q: How about the warranty policy ?A: Most of our products support 1 year warranty, please consult customer service for specific productsQ: Do you test all your goods before delivery?A: Yes, we have strict quality inspection process including a load test for every machine before leaving our factory.

How to Select a Gearbox

When you drive your vehicle, the gearbox provides you with traction and speed. The lower gear provides the most traction, while the higher gear has the most speed. Selecting the right gear for your driving conditions will help you maximize both. The right gearing will vary based on road conditions, load, and speed. Short gearing will accelerate you more quickly, while tall gearing will increase top speed. However, you should understand how to use the gearbox before driving.


The function of the gearbox is to transmit rotational energy to the machine’s drive train. The ratio between input and output torque is the ratio of the torque to the speed of rotation. Gearboxes have many different functions. A gearbox may have multiple functions or one function that is used to drive several other machines. If one gear is not turning, the other will be able to turn the gearbox. This is where the gearbox gets its name.
The pitch-controlled system has an equal number of failure modes as the electrical system, accounting for a large proportion of the longest machine downtime and halt time. The relationship between mechanisms and faults is not easily modeled mathematically. Failure modes of gearboxes are shown in Fig. 3. A gearbox’s true service life is six to eight years. However, a gearbox’s fault detection process must be developed as mature technology is required to reduce the downtime and avoid catastrophic incidents.
A gearbox is a vital piece of machinery. It processes energy produced by an engine to move the machine’s parts. A gearbox’s efficiency depends on how efficiently it transfers energy. The higher the ratio, the more torque is transferred to the wheels. It is a common component of bicycles, cars, and a variety of other devices. Its four major functions include:
In addition to ensuring gearbox reliability, a gearbox’s maintainability should be evaluated in the design phase. Maintainability considerations should be integrated into the gearbox design, such as the type of spare parts available. An appropriate maintenance regime will also determine how often to replace or repair specific parts. A proper maintenance procedure will also ensure that the gearbox is accessible. Whether it is easy to access or difficult to reach, accessibility is essential.


A car’s transmission connects the engine to the wheels, allowing a higher-speed crankshaft to provide leverage. High-torque engines are necessary for the vehicle’s starting, acceleration, and meeting road resistance. The gearbox reduces the engine’s speed and provides torque variations at the wheels. The transmission also provides reversing power, making it possible to move the vehicle backwards and forwards.
Gears transmit power from one shaft to another. The size of the gears and number of teeth determine the amount of torque the unit can transmit. A higher gear ratio means more torque, but slower speed. The gearbox’s lever moves the engaging part on the shaft. The lever also slides the gears and synchronizers into place. If the lever slips to the left or right, the engine operates in second gear.
Gearboxes need to be closely monitored to reduce the likelihood of premature failure. Various tests are available to detect defective gear teeth and increase machine reliability. Figure 1.11(a) and (b) show a gearbox with 18 teeth and a 1.5:1 transmission ratio. The input shaft is connected to a sheave and drives a “V” belt. This transmission ratio allows the gearbox to reduce the speed of the motor, while increasing torque and reducing output speed.
When it comes to speed reduction, gear box is the most common method for reducing motor torque. The torque output is directly proportional to the volume of the motor. A small gearbox, for example, can produce as much torque as a large motor with the same output speed. The same holds true for the reverse. There are hybrid drives and in-line gearboxes. Regardless of the type, knowing about the functions of a gearbox will make it easier to choose the right one for your specific application.


When selecting a gearbox, the service factor must be considered. Service factor is the difference between the actual capacity of the gearbox and the value required by the application. Additional requirements for the gearbox may result in premature seal wear or overheating. The service factor should be as low as possible, as it could be the difference between the lifetime of the gearbox and its failure. In some cases, a gearbox’s service factor can be as high as 1.4, which is sufficient for most industrial applications.
China dominates the renewable energy industry, with the largest installed capacity of 1000 gigawatts and more than 2000 terawatt hours of electricity generated each year. The growth in these sectors is expected to increase the demand for gearboxes. For example, in China, wind and hydropower energy production are the major components of wind and solar power plants. The increased installation capacity indicates increased use of gearboxes for these industries. A gearbox that is not suitable for its application will not be functional, which may be detrimental to the production of products in the country.
A gearbox can be mounted in one of four different positions. The first three positions are concentric, parallel, or right angle, and the fourth position is shaft mount. A shaft mount gearbox is typically used in applications where the motor can’t be mounted via a foot. These positions are discussed in more detail below. Choosing the correct gearbox is essential in your business, but remember that a well-designed gearbox will help your bottom line.
The service factor of a gearbox is dependent on the type of load. A high shock load, for example, can cause premature failure of the gear teeth or shaft bearings. In such cases, a higher service factor is required. In other cases, a gearbox that is designed for high shock loads can withstand such loads without deteriorating its performance. Moreover, it will also reduce the cost of maintaining the gearbox over time.


When choosing the material for your gearbox, you must balance the strength, durability, and cost of the design. This article will discuss the different types of materials and their respective applications and power transmission calculations. A variety of alloys are available, each of which offers its own advantages, including improved hardness and wear resistance. The following are some of the common alloys used in gears. The advantage of alloys is their competitive pricing. A gear made from one of these materials is usually stronger than its counterparts.
The carbon content of SPCC prevents the material from hardening like SS. However, thin sheets made from SPCC are often used for gears with lower strength. Because of the low carbon content, SPCC’s surface doesn’t harden as quickly as SS gears do, so soft nitriding is needed to provide hardness. However, if you want a gear that won’t rust, then you should consider SS or FCD.
In addition to cars, gearboxes are also used in the aerospace industry. They are used in space travel and are used in airplane engines. In agriculture, they are used in irrigation, pest and insect control machinery, and plowing machines. They are also used in construction equipment like cranes, bulldozers, and tractors. Gearboxes are also used in the food processing industry, including conveyor systems, kilns, and packaging machinery.
The teeth of the gears in your gearbox are important when it comes to performance. A properly meshing gear will allow the gears to achieve peak performance and withstand torque. Gear teeth are like tiny levers, and effective meshing reduces stress and slippage. A stationary parametric analysis will help you determine the quality of meshing throughout the gearing cycle. This method is often the most accurate way to determine whether your gears are meshing well.


The global gear market is divided into five key regions, namely, North America, Europe, Asia Pacific, and Latin America. Among these regions, Asia Pacific is expected to generate the largest GDP, owing to rapidly growing energy demand and investments in industrial infrastructure. This region is also home to some of the largest manufacturing bases, and its continuous building of new buildings and homes will support the industry’s growth. In terms of application, gearboxes are used in construction, agricultural machinery, and transportation.
The Industrial Gearbox market is anticipated to expand during the next several years, driven by the rapid growth of the construction industry and business advancements. However, there are several challenges that hamper the growth of the industry. These include the high cost of operations and maintenance of gear units. This report covers the market size of industrial gearboxes globally, as well as their manufacturing technologies. It also includes manufacturer data for the period of 2020-2024. The report also features a discussion of market drivers and restraints.
Global health crisis and decreasing seaborne commerce have moderately adverse effects on the industry. Falling seaborne commerce has created a barrier to investment. The value of international crude oil is expected to cross USD 0 by April 2020, putting an end to new assets development and exploitation. In such a scenario, the global gearbox market will face many challenges. However, the opportunities are huge. So, the market for industrial gearboxes is expected to grow by more than 6% by 2020, thanks to the increasing number of light vehicles sold in the country.
The main shaft of a gearbox, also known as the output shaft, spins at different speeds and transfers torque to an automobile. The output shaft is splined so that a coupler and gear can be connected to it. The counter shaft and primary shaft are supported by bearings, which reduce friction in the spinning element. Another important part of a gearbox is the gears, which vary in tooth count. The number of teeth determines how much torque a gear can transfer. In addition, the gears can glide in any position.

China TYSIM KR125C 1500mm Drilling Diameter 43m Depth Mini Foundation Hydraulic Piling Rig Machine     gearbox adjustment	China TYSIM KR125C 1500mm Drilling Diameter 43m Depth Mini Foundation Hydraulic Piling Rig Machine     gearbox adjustment
editor by czh2023-02-19

China best torque limiter factory manufacturer & supplier EPT MG 100t, 110t, 120t, 130t, 150t, 160t, 200t Heavy Lifting Machine EPT MG Hydraulic Mobile Truck Crane Qy130K with top quality & best price

China best torque limiter factory manufacturer & supplier EPT MG 100t, 110t, 120t, 130t, 150t, 160t, 200t Heavy Lifting Machine EPT MG Hydraulic Mobile Truck Crane Qy130K with top quality & best price

We – EPG Team the greatest gearbox & motors , torque limiter couplings and gears manufacturing unit in China with 5 distinct branches. For much more specifics: Cellular/whatsapp/telegram/Kakao us at: 0086~13083988828 13858117778083988828

EPT QY130K Truck Crane

1. Dimension: 14950*3000*3950mm
2. Max. Lifting load: 130ton
three. Rated electrical power: 390kW

one. Innovated boom technique with inserted sliders, plug -in growth head of patented technologies and globe advanced formed boom cross segment makes superb lifting capacity, safe and reputable lifting functions.
2. Unique telescoping technologies prevents event of main pipe bending, oil cylinder bending and increase brea ept caused by mis-opeartion, and consequently procedure safty is improved.
3. Eight patented engineering make sure the easy movement, large effectiveness &economic climate of lifting, slewing and elevating mechanisms.
4. Load minute limiter with colour Liquid crystal display realizes clever difficulty diagnostic, and its precision prospects in the very same-class goods in the sector.
5. New hydraulic motor with greater original torque can make greater safe second-lifting procedure.

Classificatory Item Unit Parameter
Outline dimension Overall length mm 14950
Overall width mm 3000
Overall peak mm 3950
Axle foundation Axle 1, Axle two mm 1420
Axle 2, Axle three mm 2420
Axle 3, Axle 4 mm 1875
Axle 4, Axle five mm 1350
Axle 5, Axle 6 mm 1400
Wheel base mm 2610/2307
Mass Total mass in journey point out kg 62000
Axle load Axle 1, Axle 2 kg 8800/8800
Axle 3, Axle four kg 9200/12700
Axle 5, Axle six kg 12700/9800
Power Crane superstructure motor Rated electrical power kw/(r/min) 162/2100
Rated torque N.m/(r/min) 854/1400
Rated speed r/min 2100
Crane provider motor Rated electricity kw/(r/min) 390/1800
Rated torque N.m/(r/min) 2400/1080
Rated pace r/min 2000
Travel overall performance Travel pace Max. vacation speed km/h 70
Min. stable travel pace km/h two.1
Min. turning diameter m 24
Min. floor clearance mm 275
Approach angle (°) 23
DOptional sprockets are developed especially to in shape their corresponding limiters. These hubless sprockets are not interchangeable.eparture angle (°) 14
Bra ept length (at 30km/h) m ≤ ten
Max. grade-ability % forty
Fuel consumption for 100km L 80


The use of unique tools manufacturer’s (OEM) element numbers or emblems , e.g. CASE® and John Deere® are for reference functions only and for indicating item use and compatibility. Our organization and the detailed replacement areas contained herein are not sponsored, accepted, or manufactured by the OEM.

China best torque limiter factory manufacturer & supplier EPT MG 100t, 110t, 120t, 130t, 150t, 160t, 200t Heavy Lifting Machine EPT MG Hydraulic Mobile Truck Crane Qy130K with top quality & best price

China best torque limiter factory manufacturer & supplier EPT MG 100t, 110t, 120t, 130t, 150t, 160t, 200t Heavy Lifting Machine EPT MG Hydraulic Mobile Truck Crane Qy130K with top quality & best price

China best torque limiter factory manufacturer & supplier EPT MG 100t, 110t, 120t, 130t, 150t, 160t, 200t Heavy Lifting Machine EPT MG Hydraulic Mobile Truck Crane Qy130K with top quality & best price