China 3 Speed Gear Box for 21inch Lawn Mower Use Aluminum Metal with Good quality

Merchandise Description

Product Description

21″ selfp-propelled 3 Speed Transmission Gear Box

Merchandise Parameters

Dalong lawn mower:  resilient, protected procedure, lovely and cozy, environmental protection, with excellent aggressive cost.Low-cost price tag gasoline lawnmower BS motor for backyard grass cutting 

Mower Grass Reducing Machine Areas Checklist

a.Garden Mower Equipment box 

1.Rod substance: forty chromium (Chromium is used to make stainless steel, automobile parts, instruments, tapes and video tapes, and so forth. Chrome plated on metallic can prevent rust, also called can domi, strong and lovely . Chromium can be utilized to make stainless steel. The shade of purple and emerald also arrives from chromium.)
two.Case: ADC12 aluminum alloy
three.Gear: metal base powder, metallurgical die casting
four.Oil seal gasket rubber
five.3 Speed Transmission


What content for CZPT mower deck?

b.:Garden mower chassis

The durable aluminum die-forged chassis Mower with powder coated, aerodynamic style provide ideal air- movement for uninterrupted working problems, and seamless flow of slicing.


How many kinds for CZPT mower blades?

c.Garden mower blades
Mowing peak 480mm.533mm, suitable for various terrains, best vortex aluminum alloy cutter head protect, the use of aerodynamic principle, so that the ability to boost grass, far more suitable for the wants of customers.

Aerodynamic style skilled blade,it  is productive and the blade is powerful and durable 


Honda Engine +BS Engine for different customer choice

d.Lawn mower motor

Honda Lawnmower Motor-GXV160 vertical shaft general objective gasoline engine
The Honda gas motor lends itself to a pleasant shock by offering outstanding efficiency, and attributes at the exact same time.

Pneumatic cylinder. Air filter.And fuel tank design and style advancements.Make it mild in bodyweight.Beautiful features. More hassle-free to carry electrical power tools.

Acquiring power and torque through a fastened OHV valve. Greatly minimizing fuel use.

A decompression gadget and a transistor physique ignition system are employed to acquire a bus.Make startup a lot more convenient and reliable.

The layout of a muffler and air filter reduces sounds pollution to the environment.

B&S Mower Engine Model :750EX Collection DOV

B & S E collection tiny vertical shaft engines are dependable and effortless to use. Tens of millions of wander-behind mowers close to the planet every calendar year pick E-Series engines. E-Collection engines can provide users with outstanding worth.


1.straightforward to commence

It is hassle-free and avert to misoperation.

two.Forged iron cylinder liner

Anti-wear and prolong motor existence.

3.DOV lever-type overhead valve prepare

Reduced motor vibration and sounds for far more relaxed procedure

4.Massive capacity air filter

Increase air filtration efficiency and minimize motor wear.

5.Just Check and Include Oil change-totally free technology

Integrated high-sealing air filter, reduce motor operating temperature and higher-precision components production, the engine does not need to alter the oil during its existence. This engineering can make routine maintenance of Exi sequence engines extremely easy, topping up the oil – examining frequently – introducing as required.


Packaging & Shipping and delivery

Gasoline lawnmower shipping and packing 
two.By air cargo
three.By China-Europe freight teach
4.By sea container cargo
5.Port:FOB ZheJiang or CIF terms.
6.Cargo date in ten-15days for mass production .


Firm Profile

 ZheJiang CZPT Grandwell Technology Co.,Ltd

Dalong company was established in 1996. Professional dedication to R & D, production, and revenue of backyard garden equipment goods. It has a R&D and production in Jin ma Industrial Zone, Xihu (West Lake) Dis., ZheJiang China, with a robust manufacturing technologies R&D staff. The lawn mowers and servicing machinery developed by the firm are nicely received and dependable all above the entire world.
In 1996, ZheJiang CZPT organization was selected by HONDA as the initial basic agent of “HONDA” backyard garden equipment goods in China. The merchandise are Lawn vehicle, lawn machine, four-stroke irrigation device, water pump and so on. It is a greatest-offering product in domestic yard industry.
ZheJiang CZPT worked with a quantity of intercontinental famous backyard equipment company cooperation.

This kind of as:
French ETESIA  multi-purposeful higher effectiveness garden mower, in ZheJiang   , HangZhouang, ZheJiang , and other spots to use a very good welcome.
France COUP’ECO High hedge trimmer, freeway hedge trimmer, forest fire crisis rescue products, et
Sweden BAHCO (the first Sandvik) pruning noticed, pruning scissors, higher saw, large shear, and so on.
German STIHL chopping irrigation equipment, chainsaw, hedge trimmer high department chainsaw, hair dryer, and many others.
Swedenh (previously Japan Komatsu) hedge trimmers, mowers, chainsaws, enthusiasts, and many others.
VHangZhouELE Branch and tree shredder, Belgium
Italy CO department grinder
Belgium ELIET automobile leaf suction device, hand thrust leaf suction machine

The item qualities of higher efficiency, longevity, gas preserving, environmental security, risk-free procedure, and so on. ZheJiang Dalong, often adhere to the realistic cost sales, adequate offer of spare elements, welcome you to go to our firm, the good quality of the goods marketed, value and soon after-revenue service for a extensive comparison, smart obtain. You must not only spend consideration to cost, but also to product good quality and right after-income support. ZheJiang CZPT will turn out to be your trustworthy partner.

Our Benefits

 ENTRY Amount High High quality Backyard garden CUTTER
  1. A lot more than 10 yearsexperience of backyard garden machinery 
  2. Factorydirect price 
  3. Have 2or 3new product each and every year 
  4. Nice good quality,Fullrefund in situation of bad high quality
  5. Smallorders welcome
  6. Quick transport within 10days
  7. VIP buyer 1-cease provider
  8. Engineers provide technical companies


Landscape electric lawn mower performance characteristics

one.Aluminum alloy die-casting chassis, tough, gentle and rust-evidence

The chassis is manufactured of substantial-good quality aluminum alloy and big-tonnage die-casting device, with large density, large power, and anti-corrosion it entirely satisfies for the style requirements for wall thickness and power, it is conducive to making sure private basic safety, and gives a solid basis for the gasoline motor and prolongs the operating  life of the gasoline motor. The front axle is set with a pressure plate composition, which is far more dependable.

2.Outstanding functionality motor
The original engine, excell t performance with very good commencing , higher energy, low failure rate.solid  chassis configuration, much more extend the services life of the engine.

3.Garden mower Grass box
Dalong 196 configuration grass box, beautiful look, sleek grass selection, sturdy dust defense, practical use.

four.Xihu (West Lake) Dis.nized design, superb selection of parts
3-second cease device perform, safe to use the cease take care of is flat, it is relaxed when thrust ahead. sound quality for the grass chopping peak adjustment . Trustworthy positioning. The stamping areas are all manufactured of high-high quality chilly-rolled steel plates, with higher strength, great high quality .smooth and lovely surface area.

5.Higher manage comfy
3-2nd stop operate, deal with is flat, relaxed to drive and keep, the pull pressure is transferred by the spring,  movement is delicate, and the operation is safe.

6.Impact clamp cap
The compact reed clamp cap is created by 6 sets of mould



Q1: Are you a manufacturing facility or a investing company

A1: We are a manufacturing facility and buying and selling company. We are 1 of the larger backyard garden machinery manufacturers in domestic ,We have been in this business for more than 15 many years.

Q2: How does your factory do in phrases of top quality control?

A2: Top quality handle is executed at every single workstation in generation. Our merchandise are 100% internally inspected just before shipment.

Q3: What is your warranty for the item?

A3: We give a a single-yr warranty.

This autumn: How can I get samples?

A4: If you cannot get our goods in your neighborhood location, we will deliver you samples. You will be charged the sample price tag furthermore all relevant shipping and delivery fees. The value of convey shipping and delivery relies upon on the amount of samples

Q5: How about MOQ?

A5:For sample we can offer 1 or 2 pcs for top quality examining at 1st .

Q6: Do you accept OEM/ODM company?

A6: Yes, we can produce merchandise in accordance to client specifications, which includes Brand, color, design, and so forth.

Q7:How numerous days for sample buying ?

A7:Sampling time about 5-7days,for mass order about fifteen-20days for cargo prepared.

Type: Rotary Mowers
Moving Way: Rear Push
Cutter Type: Rotary Lawn Mower
Applicable Area: 1000-5000m²
Feature: 4-Stroke, Height Adjustable Handles, Single Cylinder, Cordless, Grass Box, Aluminum Chassis, Folding Handle, Anti-Slip
Certification: CE


US$ 90/Piece
1 Piece(Min.Order)

Request Sample




21" selfp-propelled 3 Speed Transmission Gear Box
Type: Rotary Mowers
Moving Way: Rear Push
Cutter Type: Rotary Lawn Mower
Applicable Area: 1000-5000m²
Feature: 4-Stroke, Height Adjustable Handles, Single Cylinder, Cordless, Grass Box, Aluminum Chassis, Folding Handle, Anti-Slip
Certification: CE


US$ 90/Piece
1 Piece(Min.Order)

Request Sample




21" selfp-propelled 3 Speed Transmission Gear Box

The Parts of a Gearbox

There are many parts of a Gearbox, and this article will help you understand its functions and components. Learn about its maintenance and proper care, and you’ll be on your way to repairing your car. The complexity of a Gearbox also makes it easy to make mistakes. Learn about its functions and components so that you’ll be able to make the best choices possible. Read on to learn more. Then, get your car ready for winter!


Gearboxes are fully integrated mechanical components that consist of a series of gears. They also contain shafts, bearings, and a flange to mount a motor. The terms gearhead and gearbox are not often used interchangeably in the motion industry, but they are often synonymous. Gearheads are open gearing assemblies that are installed in a machine frame. Some newer designs, such as battery-powered mobile units, require tighter integration.
The power losses in a gearbox can be divided into no-load and load-dependent losses. The no-load losses originate in the gear pair and the bearings and are proportional to the ratio of shaft speed and torque. The latter is a function of the coefficient of friction and speed. The no-load losses are the most serious, since they represent the largest proportion of the total loss. This is because they increase with speed.
Temperature measurement is another important preventive maintenance practice. The heat generated by the gearbox can damage components. High-temperature oil degrades quickly at high temperatures, which is why the sump oil temperature should be monitored periodically. The maximum temperature for R&O mineral oils is 93degC. However, if the sump oil temperature is more than 200degF, it can cause seal damage, gear and bearing wear, and premature failure of the gearbox.
Regardless of its size, the gearbox is a crucial part of a car’s drivetrain. Whether the car is a sports car, a luxury car, or a farm tractor, the gearbox is an essential component of the vehicle. There are two main types of gearbox: standard and precision. Each has its own advantages and disadvantages. The most important consideration when selecting a gearbox is the torque output.
The main shaft and the clutch shaft are the two major components of a gearbox. The main shaft runs at engine speed and the countershaft may be at a lower speed. In addition to the main shaft, the clutch shaft has a bearing. The gear ratio determines the amount of torque that can be transferred between the countershaft and the main shaft. The drive shaft also has another name: the propeller shaft.
The gears, shafts, and hub/shaft connection are designed according to endurance design standards. Depending on the application, each component must be able to withstand the normal stresses that the system will experience. Oftentimes, the minimum speed range is ten to twenty m/s. However, this range can differ between different transmissions. Generally, the gears and shafts in a gearbox should have an endurance limit that is less than that limit.
The bearings in a gearbox are considered wear parts. While they should be replaced when they wear down, they can be kept in service much longer than their intended L10 life. Using predictive maintenance, manufacturers can determine when to replace the bearing before it damages the gears and other components. For a gearbox to function properly, it must have all the components listed above. And the clutch, which enables the transmission of torque, is considered the most important component.


A gearbox is a fully integrated mechanical component that consists of mating gears. It is enclosed in a housing that houses the shafts, bearings, and flange for motor mounting. The purpose of a gearbox is to increase torque and change the speed of an engine by connecting the two rotating shafts together. A gearbox is generally made up of multiple gears that are linked together using couplings, belts, chains, or hollow shaft connections. When power and torque are held constant, speed and torque are inversely proportional. The speed of a gearbox is determined by the ratio of the gears that are engaged to transmit power.
The gear ratios in a gearbox are the number of steps a motor can take to convert torque into horsepower. The amount of torque required at the wheels depends on the operating conditions. A vehicle needs more torque than its peak torque when it is moving from a standstill. Therefore, the first gear ratio is used to increase torque and move the vehicle forward. To move up a gradient, more torque is required. To maintain momentum, the intermediate gear ratio is used.
As metal-to-metal contact is a common cause of gearbox failure, it is essential to monitor the condition of these components closely. The main focus of the proactive series of tests is abnormal wear and contamination, while the preventative tests focus on oil condition and additive depletion. The AN and ferrous density tests are exceptions to this rule, but they are used more for detecting abnormal additive depletion. In addition, lubrication is critical to the efficiency of gearboxes.


Daily maintenance is a critical aspect of the life cycle of a gearbox. During maintenance, you must inspect all gearbox connection parts. Any loose or damaged connection part should be tightened immediately. Oil can be tested using an infrared thermometer and particle counters, spectrometric analysis, or ferrography. You should check for excessive wear and tear, cracks, and oil leaks. If any of these components fail, you should replace them as soon as possible.
Proper analysis of failure patterns is a necessary part of any preventative maintenance program. This analysis will help identify the root cause of gearbox failures, as well as plan for future preventative maintenance. By properly planning preventative maintenance, you can avoid the expense and inconvenience of repairing or replacing a gearbox prematurely. You can even outsource gearbox maintenance to a company whose experts are knowledgeable in this field. The results of the analysis will help you create a more effective preventative maintenance program.
It is important to check the condition of the gearbox oil periodically. The oil should be changed according to its temperature and the hours of operation. The temperature is a significant determinant of the frequency of oil changes. Higher temperatures require more frequent changes, and the level of protection from moisture and water reduces by 75%. At elevated temperatures, the oil’s molecular structure breaks down more quickly, inhibiting the formation of a protective film.
Fortunately, the gear industry has developed innovative technologies and services that can help plant operators reduce their downtime and ensure optimal performance from their industrial gears. Here are 10 steps to ensure that your gearbox continues to serve its purpose. When you are preparing for maintenance, always keep in mind the following tips:
Regular vibration analysis is a vital part of gearbox maintenance. Increased vibration signals impending problems. Visually inspect the internal gears for signs of spiraling and pitting. You can use engineers’ blue to check the contact pattern of gear teeth. If there is a misalignment, bearings or housings are worn and need replacement. Also make sure the breathers remain clean. In dirty applications, this is more difficult to do.
Proper lubrication is another key factor in the life of gearboxes. Proper lubrication prevents failure. The oil must be free of foreign materials and have the proper amount of flow. Proper lubricant selection depends on the type of gear, reduction ratio, and input power. In addition to oil level, the lubricant must be regulated for the size and shape of gears. If not, the lubricant should be changed.
Lack of proper lubrication reduces the strength of other gears. Improper maintenance reduces the life of the transmission. Whether the transmission is overloaded or undersized, excessive vibration can damage the gear. If it is not properly lubricated, it can be damaged beyond repair. Then, the need for replacement gears may arise. However, it is not a time to waste a lot of money and time on repairs.

China 3 Speed Gear Box for 21inch Lawn Mower Use Aluminum Metal     with Good quality China 3 Speed Gear Box for 21inch Lawn Mower Use Aluminum Metal     with Good quality
editor by czh 2022-12-22