Description
Komatsu GD661 Grader; The Choice for Precision Road Construction Operations
When it comes to preparing the road, leveling the ground, and performing precise slopes in construction projects, the grader is one of the most important project machinery. The quality of this machine’s performance can directly affect the speed of project execution and the final quality of the surface.
Komatsu GD661 Grader is one of the older and well-known models of this Japanese manufacturer, which is particularly popular in the used machinery market. This machine is designed for tasks such as leveling, adjusting slopes, preparing the roadbed, and maintaining dirt and construction roads.
In the Komatsu GD661A-1 model, the S6D105 engine with 6 cylinders and a volume of about 6.5 liters produces a net power of about 180 horsepower at 2500 rpm. The standard operating weight of this model is also reported to be about 13.3 tons and its blade width is about 3.7 meters. Kavir Machine Espadana Company is one of the reputable importers and sellers of Komatsu graders and other leading imported brands in Iran.
For inquiries about grader prices, contact our experts: 09134315128
Technical specifications of the Komatsu GD661 grader
To evaluate a grader, it is not enough to just look at the engine power. The actual performance of the machine is the result of the coordination of the engine, gearbox, hydraulic system, drive axles, chassis and blade.
According to the information published for the GD661A-1 grader, the most important specifications of this model are:
These numbers are for the GD661A-1 version, and specifications may change in machines with different types or series of manufacture; therefore, to purchase a specific machine, it is necessary to check the license plate, serial number, and specifications of the same machine.
GD661 grader engine; suitable power for construction work
One of the parts that should be carefully checked when purchasing a Komatsu GD661 grader is the machine’s engine. The S6D105 engine of this model is a six-cylinder engine with a displacement of about 6.5 liters, which in the GD661A-1 version delivers a net power of close to 180 horsepower.
But in a used grader, the factory horsepower number is only part of the story. The actual condition of the engine, oil pressure, cooling system, turbo if equipped, smoke level, leaks and overhaul history have a much greater impact on the real value of the machine.
For this reason, if your goal is to buy a used GD661 grader, it is recommended to have the engine checked by a repairman or heavy machinery expert before trading.
What role does the GD661 grader blade play in the operation of the machine?
The blade is the main tool of a grader and almost all leveling and surface modification operations are performed using it. In the GD661A-1, the blade width is reported to be about 3.7 meters.
By adjusting the angle and position of the blade, the operator can move the materials and create the desired surface. Therefore, when inspecting the Komatsu GD661 grader, one should not only pay attention to the health of the blade; but also the joints, slewing ring, hydraulic jacks, clearances, and the performance of the blade control system should be checked.
Severe wear of these parts can reduce work accuracy and increase repair costs.
What projects is the Komatsu GD661 grader suitable for?
The use of the grader is not limited to road construction projects. This machine can be used in projects that require precise leveling and slope creation.
The most important applications of the GD661 grader are:
Leveling and smoothing the ground
Roadbed preparation
Improving dirt roads
Spreading and adjusting materials
Creating transverse and longitudinal slopes
Preparing the surface for paving
Repairing and maintaining construction routes
Leveling operations in mining projects
In projects where surface accuracy is of great importance, the operator’s skill is as important as the technical power of the machine. A healthy grader with a skilled operator can provide a very different result than a similar machine with improper settings.
Why is the Komatsu GD661 Grader popular in the used market?
One of the reasons why the market is interested in used Komatsu graders is Komatsu’s long history in producing road construction machinery and its diversitymodels of this brand. However, buying a used machine simply because of the brand or model does not guarantee a good deal.
In the case of the 661 Grader, the actual condition of the machine should be the main criterion for making a decision.
A used GD661 grader with a regular service history and a healthy engine and transmission may be worth more than one that looks clean but needs major repairs to its hydraulics or powertrain.
Komatsu GD661 Grader Buying Guide
If you are planning to buy a Komatsu GD661 grader, check the following items before finalizing the transaction:
1. Engine
The engine should be checked for operating noise, smoke, oil leakage, oil pressure, operating temperature, and cooling system performance.
2. Transmission and power transmission
Gear shifting should be done properly, and the machine should not have any unusual symptoms such as impact, slipping, or severe delay when moving.
3. Hydraulic System
Blade jacks, hoses, pump and hydraulic valves are important parts of the grader. Leakage or poor hydraulic performance can cause significant costs.
4. Blade and connections
Check the amount of play, the health of the turntable, jacks and the condition of the blade edge. These parts are directly related to the accuracy of the grader’s performance.
5. Chassis and axles
Tear marks, heavy welding or unprincipled repairs on the chassis can be a serious warning when buying.
6. Operating hours and service history
The number of operating hours alone is not enough. It is better to check the records of periodic repairs and services as well.
How much does a GD661 grader cost?
The price of a GD661 grader cannot be determined solely based on the machine model. In the used heavy machinery market, the technical condition of each machine plays a decisive role in the price.
The most important factors affecting the price are:
Year of manufacture
Operation rate
Engine health
Transmission condition
Hydraulic system performance
Chassis and axle health
Blade condition
Tire wear rate
Repair history
Appearance and cabin condition
Access to parts and maintenance costs
Therefore, if you encounter two Komatsu GD661 machines with different prices in the market, do not just base the price difference on the price difference; first compare the technical condition of both machines.
Buy GD661 grader; The cheapest option is not always the best option
When purchasing road construction machinery, the low price can be attractive at first glance, but if the machine requires major engine, transmission or hydraulic repairs, the actual purchase cost may be much higher than the initial amount.
For this reason, a professional purchase should be made based on price + technical condition + possible repair costs + availability of parts + maintenance history.
If the machine is purchased for continuous use in the project, a pre-purchase expert can prevent heavy costs and unwanted downtime in the future.
Komatsu GD661 Grader Parts
Access to parts is one of the important issues in choosing used machinery. Consumable parts, engine parts, hydraulic system, power transmission parts and blade-related components should be checked before purchasing.
For the Komatsu GD661 grader, it is better to check the availability of the parts required for the machine in the market where you operate before making a transaction. It is also very important to match the technical part number with the exact machine series, because a part may differ in different versions.
Is it still worth buying a Komatsu GD661 grader?
If a 661 grader can be found in good condition and at a reasonable price, it can be an option for many construction and road construction projects. The main advantage of such a purchase is that instead of paying for a machine based solely on the brand name, you can choose a machine that suits your budget and operational needs.
Of course, the final decision should be made according to the type of project, workload, road conditions, maintenance budget and the actual condition of the machine.
Summary; What to check before buying a GD661?
Komatsu GD661 grader is an old but practical grader for leveling, grading and road preparation operations. The GD661A-1 version with an S6D105 engine, a power of about 180 horsepower, an operating weight of about 13.3 tons and a blade with a width of about 3.7 meters, is in terms ofThe dimensions and power are within the range of suitable machines for a wide range of construction operations.
However, if you are planning to buy a GD661 grader, it is better to check the actual condition of the machine instead of focusing solely on the factory specifications. The health of the engine, gearbox, hydraulics, chassis and blade, along with the purchase price, are the most important factors determining the value of a used machine.
To get the price of a GD661 grader and review a machine available on the market, compare the machine specifications, year of manufacture, operating hours and technical condition with similar models and be sure to conduct a technical examination before making a transaction.
Frequently Asked Questions about the Komatsu GD661 Grader
What is the function of the Komatsu GD661 Grader?
The GD661 is used for leveling, grading, roadbed preparation, dirt road improvement, material distribution, and maintenance of construction routes.
What is the engine power of the 661 Grader?
In the GD661A-1 model, the S6D105 engine is reported to have a net power of about 180 horsepower at 2500 rpm.
How much does the GD661 grader weigh?
The standard operating weight of the GD661A-1 model is reported to be around 13,300 kg.
What is the blade width of the GD661 grader?
The blade width for the GD661A-1 is reported to be around 3.7 meters.
How is the price of the GD661 grader determined?
The price depends on the year of manufacture, operating hours, engine and gearbox health, hydraulic condition, blade, tires, chassis and general condition of the machine.
What are the most important things to consider when buying a used GD661 grader?
The health of the engine, gearbox, hydraulic system, chassis, drive axles and blade assembly should be inspected before purchase.
Is the GD661 grader suitable for road construction projects?
Yes. The grader structure is designed for leveling, slope creation and surface preparation, and the GD661 can also be used for this type of operation.
Are the specifications of all GD661 graders the same?
No. Specifications can vary based on type, series and year of manufacture. Therefore, the exact specifications of the same machine should be checked when purchasing.
To buy all types of graders, contact our experts: 03137475120
Buying and selling used and new road construction, mining and drilling machines:
In addition to new machinery and parts, Kavir Machine Espadana Company also offers used road construction and mining machines with warranty and after-sales service, as follows:
Everdigm hydraulic hammer used and new, Loader used and new, Excavator used and new, Dump truck used and new, Lift truck used and new, Lift truck used and new, BackhoeNew and used, Drill Wagon New and used, New and used grader, Bulldozer New and used and…, For advice and price of Komatsu 661 grader, contact our experts at Contact.
Kavir Machine Espadana Company
Kavir Machine Espadana Company is registered in Isfahan Province with the purpose of importing road construction and mining machinery, and is also the sole exclusive representative of Hyundai Everdigm hydraulic hammer in the entire country. The company’s management, relying on its decades of experience in the field of mining contracting and road construction and civil engineering projects, has expanded its activities in the field of importing and selling road construction and mining machinery, parts and related equipment.
Therefore, realizing the lack of quality machinery in the country and despite problems such as sanctions and customs issues, we have started importing machinery directly from reputable global factories. In this regard, we can mention the signing of a cooperation agreement with Sumitomo Japan in 2003, which resulted in the import of the first series of Komatsu zero-ton machines to Iran. We hope that by relying on God Almighty and with the aim of achieving the satisfaction of our dear customers, we can take our firm steps more than ever for the prosperity of our dear Iran.
Kavir Machine Espadana Company
Isfahan, km 3 of Zobahan Road, right side of the crossing
