Excavator Engine: A Source of Unmatched Power And Performance


The excavator engine is the most important part of your machine. An excavator engine is a power source for the machine, which converts fuel into mechanical energy. This mechanical energy can be used to move the machine in various ways, according to the desires of the operator.

Benefits of an Excavator Engine

1.   Simple Operation

Simple Operation of Excavator Engine is really a great feature for the operator, who often requires heavy duty engine for higher power. As the engine controls are placed in the front of operator inside cab. It is easy to start and stop an excavator with simple controls and judge the current scenario of your excavator engine in terms of engine temperature, fuel level, hydraulic oil level etc. This feature improves efficiency, convenience and safety of operation.

2.   Versatility

The versatility of excavator engine is the ability to adapt well to different types of work in industrial construction. You can use it for digging and lifting heavy rocks, transporting materials from one place to another, or even crushing rocks etc. Excavators are workhorses on construction sites and the versatility of their engines make them very effective at just about any job imaginable.

3.   Tight Navigation Capabilities

The Excavator Engine is capable of tightly navigating narrow spaces. To define this capability, we have to consider the engine’s ability to turn around within a confined space and ability to negotiate tight turns without scraping surroundings.

Tight navigation following allows the machine to get closer to the actual work that needs to be done, which reduces fuel consumption and time on site. Overall, it is an accurate product that is designed to make your everyday activities simpler and easier.

4.   Easy Transportation

Easy transportation of Excavator Engine is one of the benefits that come with this engine. This benefit is very useful for a person because it makes them to handle their heavy load easily and without too much struggle. The Excavator Engine is lightweight and has compact design. And for that reason, it’s easier to transport than other engines.

5.   Cost Effectiveness

The cost effectiveness of excavator engine is a very important and beneficial point for every beginner as well as professionals. The cost effectiveness of Excavator Engine depends upon its quality and performance. A cost-effective engine is one that has a minimal operational cost and produces the most amount of work. The lack of downtime required to conduct routine maintenance and repairs can help excavator operators save time, money and hassle.

6.   Less Noise Pollution

Engine noise is one of the essential factors in determining the productivity and efficiency of an excavation equipment. In order to reduce exhaust emissions, and keep emissions at a minimum level, there must be a balance between the weights, capacities and fuel consumption of excavators with their power ratings. This balance in excavator engine result in more efficient models with less noise pollution.

Applications of Excavator Engine

1.   Patios and Decks

Patios and decks are among the most popular additions to any home. With the help of an excavator engine, you can use this machine to dig out your patio or deck design as a concrete foundation. This machine is powerful and sophisticated enough to handle the task for you.

2.   Landscaping

Landscaping is the art of developing and modifying the land to create an environment that contributes positively to human well-being. In the past, landscaping usually involved the design and construction of gardens, but today it includes much more, for example: front yards, backyards, parking lots, playgrounds and cemeteries.

In landscaping, you can use an excavator engine to dig wells, rivers and ponds. To dig the foundations of cemeteries, playgrounds etc.

3.   Pool Building

Pool Building is the construction of a pool that is meant to be used for swimming. The excavator engine may facilitate in building a swimming pool by removing material from the ground, moving earth, or digging. Pool building can be divided into two categories: above-ground and in-ground. The excavator engine makes this process easy, as it can dig large holes with ease.

4.   Irrigation Systems

Irrigation systems are an essential component in agriculture. Irrigation assists in the growth of plants, enabling them to flourish and give us an abundant source of food. Irrigation systems are those that help in the distribution of water through water courses to the desired areas. Irrigation systems can be divided into two types: surface irrigation and subsurface irrigation.

Excavator engine help you build water courses below the soil surface by removing excess materials. Mini excavator is usually employed in digging trenches.

5.   Sewer Line Repair

A sewer line is a pipeline that carries sewage and waste water. It may also be called sanitary sewer, storm drain, or drain. Its purpose is to convey the human waste and wastewater away from the home or place of business to local municipal sewer lines

When it comes to sewer line repair, the right equipment is critical. An excavator engine facilitates in Sewer Line Repair by digging up the pipe and replacing the damaged parts, thereby restoring its functionality.

6.   Snow Plowing

Snow Plowing is the physical act of clearing snow from public and private roads, driveways, parking lots and other areas. An excavator engine facilitates in Snow Plowing by giving the operator an added boost of power to remove heavy snow quickly.

7.   Civil Works

Civil Works is the actual construction of roads and bridges, houses, and buildings. The excavator engine facilitates in Civil Works by moving and digging earth, making roads and leveling grounds, connecting pipes and waterlines, removing debris or whatever is needed to complete the project. The role of excavator engine in Civil Works is to get things done efficiently, effectively and economically.

Excavator Engine Technical Specifications

Here some of the general specifications just for your reference. Although these specifications vary from model to model and the type of excavator needed for a particular type of work.

Excavator Engine Specifications

Net Power (ISO 9249) 121 kW 162 hp
Gross Power (ISO 14396/SAE J1995) 122 kW 164 hp
Stroke 127 mm 5 in
Net Power (SAE J1349) 121 kW 162 hp
Bore 105 mm 4 in


Operation 1650 rpm
Travel 1800 rpm
Swing Mechanism
Swing Speed 11.30 rpm
Maximum Swing Torque 74 kN.m
Operating Weight 22500 kg


Excavator Track Specifications

Standard Track Shoe Width 790 mm 31 in
Number of Shoes (each side) 49
Number of Track Rollers (each side) 8
Number of Carrier Rollers (each side) 2


Hydraulic System Specifications

Hydraulic System
Maximum Pressure Swing 26 800 kPa 3,886 psi
Maximum Pressure Travel 34 300 kPa 4,974 psi
Main System Maximum Flow (Implement) 429 L/min (214.5 x 2 pumps) 113 gal/min (56.5 x 2 pumps)
Bucket Cylinder Stroke 1104 mm 43 in
Bucket Cylinder Bore 120 mm 5 in
Swing System Maximum Flow No swing pump
Maximum Pressure Equipment – Lift Mode 38 000 kPa 5,510 psi
Stick Cylinder Stroke 1504 mm 59 in
Boom Cylinder Bore 120 mm 5 in
Maximum Pressure Equipment – Normal 35 000 kPa 5,075 psi
Stick Cylinder Bore 140 mm 6 in
Boom Cylinder Stroke 1260 mm 50 in


Drive Specifications

Maximum Gradeability 35°/70%
Maximum Travel Speed 5.7 km/h 3.5 mph
Maximum Drawbar Pull – Long Undercarriage 205 kN 45,996 lbf


Service Refill Specifications

Service Refill Capacities
Swing Drive (each) 5L 1.3 gal
DEF Tank 39 L 10.3 gal
Fuel Tank Capacity 345 L 86.6gal
Hydraulic Tank 115 L 30.4gal
Cooling System 25L 6.6gal
Hydraulic System (including tank) 234 L 61.8gal
Engine Oil 15 L 4.0gal
Final Drive (each) 5L 1.3 gal


Cab/ROPS ISO 12117-2:2008
Brakes ISO 10265:2008
Cab/FOGS ISO 10262:1998


Major Components Weight Specifications

Major Components Weight
Base Machine 14 800 32,600
790 mm (31 in) Width 3370 7,400
Two Boom Cylinders 340 750
Weight of 90% Fuel Tank and 75 kg (165 lb) 310 680
4.2 mt (9,300 Ib) Counterweight 4200 9,300
4.7 mt (10,400 Ib) Counterweight (only for Super Long Reach) 4700 10,400
Super Long Reach Boom (8.85 m/29’0″) 2170 4,800
Super Long Reach Stick (6.28A/20’7″) 1340 3,000
Semi-HD Swing Frame, for C4.4 ACERT 1910 4,210
Reach Boom (5.7 m/18*8″) 1710 3,800
Reach Stick (R2.9B1/9’6″) 1300 2,900
Sticks (including lines, pins, bucket cylinder, bucket linkage):
1.19 m³ (1.56 yd³) HD 880 1,940
0.57 m³ (0.75 yd³) Ditch Cleaning 390 850
1.0 m3 (1.31 yd³) HD 850 1,870
Quick Couplers:
Pin Grabber QC 390 850


How long Excavator Engine Lasts?

Engine life is essential if you need to have a long-lasting engine. It is vital for excavators to be able to perform tasks in a timely manner, with no breakdowns or problems. In order to get the most out of this powerful machine, it’s important that you know how long an excavator engine lasts before needing a replacement.

In general, the life associated with excavator engine is about 10,000 hours. If proper maintenance measures are followed in timely manner then you can make the most out of your excavator engine.

Changing the hydraulic oil, replacing the parts that are prone to damage ensure the longevity of excavator engine.

Excavator Engine Cost

The engine cost is important as it influences on the performance of your machine. Thus, working to get a good quality engine may save you from unexpected expenses in future. A cheap excavator engine can cause serious accidents/ injuries while working on the site. The durability, performance and cost of an excavator engine are some of the factors that make your machine successful.

Different companies and different engine sizes prices varies. In general, the cost of an excavator engine lies in the range of $3000 to $25000 from mini to large excavators.

Excavator Engine by Companies

There are several excavator engine manufacturers exist in the market. They are spread throughout the world. You can get your excavator engine from the following companies.

Sr. No. Excavator Engine Manufacturer
1 Case
2 Caterpillar
3 Hitachi
4 Hyundai
6 John Deere
7 Komatsu
8 Leibherr Group
9 Sany Group
10 Volvo C.E.
11 Kobelco
12 Yanmar
13 Kubota
14 Takeuchi
15 Bobcat
16 LiuGong
17 Zoomlion
18 XuGong KS


Final Words: Excavator Engine

The excavator is an integral part of the whole construction industry. It is used to lift heavy material and dig deep holes to make construction work possible. The excavator engine has to be robust enough to withstand the harsh environment and operate continuously for long hours. It has to have the capabilities of coping up with different weather conditions and also changing it according to the requirements.

These machines are designed with a lot of safety features because they work in very tough conditions. They reduce the labor costs and do the work quickly and efficiently. Choose one to complete your operations in timely manner.

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