Product Description

Cheap Mini Crawler Excavators Small Digger Hydraulic Hot-Sell Mini Excavators Hydraulic Crawler 2.0ton  Excavators
EXCAVATOR SD20U
This 20U small excavator is an efficiency type model, the system is mature and stable, and the leather is resistant to construction. It is widely used in orchard nursery, landscaping, mountain reclamation, farmland reconstruction, indoor demolition and other operations.
 

Machine parameters		Dimensions
Model	SD20U	Overall Length	3400mm
Operating Weight	2 ton	Overall Width	1100-1300mm
Bucket Capacity	0.06m³	Overall Height	2200mm
Rated Power	10kw ,11.2kw,14.7 kw	Arm  Length	950mm
Max.Hydraulic System Pressure	18mpa	Boom  Length	1700mm
Max. Grade ability	30°	Track Length	1550mm
Max Walking Speed	2.8-4.1km/h	Track Width	230mm
Max  Digging Force	16kn	Platform Width	970mm
Platform Rotary Speed	14 r/min	Platform Ground Clearance	480mm
Boom swing function	yes	Bucket Width	450mm
Crawler stretch function	optional	Machine configure
Working range		Engine  Model	Yanmar , Perkins
Max. CZPT Height	3400mm	Main valve	Beifang / Husco
Max CZPT Depth	2050mm	Main Pump	Futai  (3 pumps system , gear pump )
Max. CZPT Radius	3600mm		Taifeng (Plunger pump)
Max Dumping Height	2400mm	Rotation Motor	Eaton

Radius of Tail Gyration	670mm	Walking Motor
Max. Sinking Depth of Bulldozer	195mm	The above pictures are for reference only. If there is any change, no further notice will be given.

1.New design of appearance
It’s made of die-formed covering parts by stamping, with beautiful appearance and high grade.
2.Design of reinforced boom,arm and bucket
Improve structure, disperse stress, improve stability and durability of structure
3.Tailless slewing & boom sway
Two major functions are provided at the same time, and barrier free construction is available in complex environment (wall root, pipeline, indoor, etc.)
4.Three pump hydraulic system
Four linkage can be realized to ensure the simultaneous operation of bucket, boom, arm and rotation, and the operation is fast and smooth
1.Boom sway
Help you to deal with complex environment (wall root, pipeline, indoor, etc.) and barrier free construction.
2.Reinforced rubber track durable
3.Matched with 14.7kw imported engine, powerful
The tailless excavator has the highest power efficiency, strong power, low noise and low fuel consumption, meeting the T3 emission standard
4.Can be matched with a variety of front-end furniture, suitable for a variety of different working conditions.l

1.How long is the mini excavator warranty time?
A: One year.

2.which certification of mini excavator do you have?
A:CE,ISO900 1,SGS,etc.expect these for different countries,other certificates required by customer is agreed.

3.Is it convenient to see visit your factory and how go there?
A:Welcome everyone to come to visit our factory,we are in HangZhou city,near with HangZhou airport.Also high speed train arrive at our city.Make sure your trip date we will arrange it for you.

4.What are our advantages compared with Manufacturer/Factories?
A:Competitive Price-we work as the leading dealers of various leading China
construction machinery,and are treated with best dealership prices everyyear.From numerous comparison and feedbacks from clients,our price is more competitive than Manufacturer/Factories.
Quick Response-Our team is consisted of a group of diligent and enterprising people,working 24/7 to response client inquires and question all the time.Most problems can be solved within 12 hours.

5.How long will our price be valid?
A:We are a tender and friendly supplier,never greedy on windfall profit.Basically,our price remains stable through the year.We only adjust our price based on 2 situations:
(1) The rate of USD: RMB varies significantly according to the international currency exchange rates.
(2) Manufacturers/Factories adjusted the machine price,because of the increasing labor cost,and raw material cost.

Why Checking the Drive Shaft is Important

If you hear clicking noises while driving, your driveshaft may need repair. An experienced mechanic can tell if the noise is coming from 1 side or both sides. This problem is usually related to the torque converter. Read on to learn why it’s so important to have your driveshaft inspected by an auto mechanic. Here are some symptoms to look for. Clicking noises can be caused by many different things. You should first check if the noise is coming from the front or the rear of the vehicle.

hollow drive shaft

Hollow driveshafts have many benefits. They are light and reduce the overall weight of the vehicle. The largest manufacturer of these components in the world is CZPT. They also offer lightweight solutions for various applications, such as high-performance axles. CZPT driveshafts are manufactured using state-of-the-art technology. They offer excellent quality at competitive prices.
The inner diameter of the hollow shaft reduces the magnitude of the internal forces, thereby reducing the amount of torque transmitted. Unlike solid shafts, hollow shafts are getting stronger. The material inside the hollow shaft is slightly lighter, which further reduces its weight and overall torque. However, this also increases its drag at high speeds. This means that in many applications hollow driveshafts are not as efficient as solid driveshafts.
A conventional hollow drive shaft consists of a first rod 14 and a second rod 14 on both sides. The first rod is connected with the second rod, and the second rod extends in the rotation direction. The 2 rods are then friction welded to the central area of ​​the hollow shaft. The frictional heat generated during the relative rotation helps to connect the 2 parts. Hollow drive shafts can be used in internal combustion engines and environmentally-friendly vehicles.
The main advantage of a hollow driveshaft is weight reduction. The splines of the hollow drive shaft can be designed to be smaller than the outside diameter of the hollow shaft, which can significantly reduce weight. Hollow shafts are also less likely to jam compared to solid shafts. Hollow driveshafts are expected to eventually occupy the world market for automotive driveshafts. Its advantages include fuel efficiency and greater flexibility compared to solid prop shafts.

Cardan shaft

Cardan shafts are a popular choice in industrial machinery. They are used to transmit power from 1 machine to another and are available in a variety of sizes and shapes. They are available in a variety of materials, including steel, copper, and aluminum. If you plan to install 1 of these shafts, it is important to know the different types of Cardan shafts available. To find the best option, browse the catalog.
Telescopic or “Cardan” prop shafts, also known as U-joints, are ideal for efficient torque transfer between the drive and output system. They are efficient, lightweight, and energy-efficient. They employ advanced methods, including finite element modeling (FEM), to ensure maximum performance, weight, and efficiency. Additionally, the Cardan shaft has an adjustable length for easy repositioning.
Another popular choice for driveshafts is the Cardan shaft, also known as a driveshaft. The purpose of the driveshaft is to transfer torque from the engine to the wheels. They are typically used in high-performance car engines. Some types are made of brass, iron, or steel and have unique surface designs. Cardan shafts are available in inclined and parallel configurations.
Single Cardan shafts are a common replacement for standard Cardan shafts, but if you are looking for dual Cardan shafts for your vehicle, you will want to choose the 1310 series. This type is great for lifted jeeps and requires a CV-compatible transfer case. Some even require axle spacers. The dual Cardan shafts are also designed for lifts, which means it’s a good choice for raising and lowering jeeps.

universal joint

Cardan joints are a good choice for drive shafts when operating at a constant speed. Their design allows a constant angular velocity ratio between the input and output shafts. Depending on the application, the recommended speed limit may vary depending on the operating angle, transmission power, and application. These recommendations must be based on pressure. The maximum permissible speed of the drive shaft is determined by determining the angular acceleration.
Because gimbal joints don’t require grease, they can last a long time but eventually fail. If they are poorly lubricated or dry, they can cause metal-to-metal contact. The same is true for U-joints that do not have oil filling capability. While they have a long lifespan, it can be difficult to spot warning signs that could indicate impending joint failure. To avoid this, check the drive shaft regularly.
U-joints should not exceed 70 percent of their lateral critical velocity. However, if this speed is exceeded, the part will experience unacceptable vibration, reducing its useful life. To determine the best U-joint for your application, please contact your universal joint supplier. Typically, lower speeds do not require balancing. In these cases, you should consider using a larger pitch diameter to reduce axial force.
To minimize the angular velocity and torque of the output shaft, the 2 joints must be in phase. Therefore, the output shaft angular displacement does not completely follow the input shaft. Instead, it will lead or lag. Figure 3 illustrates the angular velocity variation and peak displacement lead of the gimbal. The ratios are shown below. The correct torque for this application is 1360 in-Ibs.

Refurbished drive shaft

Refurbished driveshafts are a good choice for a number of reasons. They are cheaper than brand new alternatives and generally just as reliable. Driveshafts are essential to the function of any car, truck, or bus. These parts are made of hollow metal tubes. While this helps reduce weight and expense, it is vulnerable to external influences. If this happens, it may crack or bend. If the shaft suffers this type of damage, it can cause serious damage to the transmission.
A car’s driveshaft is a critical component that transmits torque from the engine to the wheels. A1 Drive Shaft is a global supplier of automotive driveshafts and related components. Their factory has the capability to refurbish and repair almost any make or model of driveshafts. Refurbished driveshafts are available for every make and model of vehicle. They can be found on the market for a variety of vehicles, including passenger cars, trucks, vans, and SUVs.
Unusual noises indicate that your driveshaft needs to be replaced. Worn U-joints and bushings can cause excessive vibration. These components cause wear on other parts of the drivetrain. If you notice any of these symptoms, please take your vehicle to the AAMCO Bay Area Center for a thorough inspection. If you suspect damage to the driveshaft, don’t wait another minute – it can be very dangerous.

The cost of replacing the drive shaft

The cost of replacing a driveshaft varies, but on average, this repair costs between $200 and $1,500. While this price may vary by vehicle, the cost of parts and labor is generally equal. If you do the repair yourself, you should know how much the parts and labor will cost before you start work. Some parts can be more expensive than others, so it’s a good idea to compare the cost of several locations before deciding where to go.
If you notice any of these symptoms, you should seek a repair shop immediately. If you are still not sure if the driveshaft is damaged, do not drive the car any distance until it is repaired. Symptoms to look for include lack of power, difficulty moving the car, squeaking, clanking, or vibrating when the vehicle is moving.
Parts used in drive shafts include center support bearings, slip joints, and U-joints. The price of the driveshaft varies by vehicle and may vary by model of the same year. Also, different types of driveshafts require different repair methods and are much more expensive. Overall, though, a driveshaft replacement costs between $300 and $1,300. The process may take about an hour, depending on the vehicle model.
Several factors can lead to the need to replace the drive shaft, including bearing corrosion, damaged seals, or other components. In some cases, the U-joint indicates that the drive shaft needs to be replaced. Even if the bearings and u-joints are in good condition, they will eventually break and require the replacement of the drive shaft. However, these parts are not cheap, and if a damaged driveshaft is a symptom of a bigger problem, you should take the time to replace the shaft.