Reliable Diesel Power Solutions for Construction Machinery
SICOMCN is a professional diesel engine supplier for construction machinery and heavy equipment. Since 2003, we have specialized in construction machinery spare parts and industrial diesel engines.
In 2015, we obtained distribution rights for Cummins and Isuzu diesel engines.
Today, we supply:
- diesel engines for excavators and bulldozers
- construction machinery engine spare parts
- high-quality OEM engine components
- professionally remanufactured diesel engines
Our technical team also rebuilds engines using strict inspection standards. These services help customers extend equipment life and reduce maintenance costs.

Diesel Engine Supplier for Construction Equipment
Many companies in the construction machinery industry require stable engine supply and professional parts support.
You may benefit from cooperation if your business is:
- an earthmoving contractor
- an excavator rental company
- a construction machinery trader
- a heavy equipment repair workshop
We help companies expand their operations in:
- construction machinery trading
- equipment spare parts distribution
- earthmoving equipment rental services
Our supply system supports machinery such as:
- excavators
- bulldozers
- wheel loaders
- road rollers
- cranes
We focus on long-term cooperation and stable product supply.

Our Main Diesel Engine Product Lines
Our product lines cover several key categories in the construction machinery engine market.
Genuine Diesel Engines and Spare Parts
We supply genuine diesel engines and engine spare parts, including models:
4BT / 6BT / 6CT / QSB / QSM / ISX / NTA855 / KTA
These engines are widely used in excavators, bulldozers, and other heavy equipment.
Replacement Diesel Engines for Excavators
We also supply brand-new replacement diesel engines for major construction equipment brands, including:
- Komatsu
- Caterpillar
- Hitachi
- Hyundai
- Volvo
- Shantui
- XCMG
- LiuGong
- Doosan
These engines support excavators, bulldozers, and other construction machinery.
High-Quality OEM Diesel Engine Spare Parts
We provide high-quality OEM diesel engine parts, including:
- injector
- fuel pump
- oil pump
- water pump
- piston kit
- liner kit
- crankshaft
- camshaft
- cylinder block
- cylinder head
These parts ensure stable engine performance and long service life.
Remanufactured Diesel Engines
Our engineers remanufacture engines using original used engines and genuine brand spare parts.
This process restores engine performance and significantly reduces replacement costs. Many contractors choose remanufactured engines as a cost-effective maintenance solution.

Global Growth of the Construction Machinery Market
Global infrastructure investment continues to grow. Governments increase spending on:
- transportation networks
- energy infrastructure
- housing projects
- public facilities
These investments drive strong demand for construction machinery engines and spare parts.
The global construction machinery market exceeded USD 240 billion in 2025. Experts expect it to reach over USD 470 billion by 2033. The industry shows an average annual growth rate of 8–9%.
The Asia-Pacific region leads global demand due to rapid urban development and large infrastructure projects. This trend creates significant opportunities for machinery suppliers and component distributors.

Supporting the Future of Construction Equipment
Modern construction machinery focuses on:
- higher efficiency
- intelligent equipment systems
- environmentally friendly technology
Our company supports this transformation by providing:
- reliable diesel engines
- durable OEM spare parts
- professional remanufacturing services
These solutions help contractors maintain equipment reliability while controlling operating costs.

Global Partnerships and Cooperation
We have established long-term partnerships with construction machinery contractors and equipment traders in more than 25 countries.
Our company continues to expand global cooperation opportunities.
If you are searching for a reliable diesel engine supplier, we welcome your inquiry.
Our team will provide:
- fast quotation
- professional product support
- stable global delivery
Together, we can build a strong and sustainable business partnership.
Frequently Asked Questions (FAQ)
What diesel engines do you supply for construction machinery?
We supply diesel engines for excavators, bulldozers, wheel loaders, and other heavy equipment. Our range includes engines from Cummins and Isuzu.
Do you supply OEM diesel engine spare parts?
Yes. We supply OEM spare parts such as injectors, fuel pumps, piston kits, cylinder heads, and crankshafts.
Do you provide remanufactured diesel engines?
Yes. Our technicians rebuild engines using original engines and genuine spare parts. These engines provide reliable performance at a lower cost.
Do you export diesel engines worldwide?
Yes. We export diesel engines and spare parts to customers in more than 25 countries.
Request a Quote for Diesel Engines or Spare Parts
If you need:
- excavator diesel engines
- construction machinery engines
- OEM diesel engine spare parts
- remanufactured diesel engines
Contact our team today to receive a fast quotation and professional support.
