Description
Specification
Applicable field/Equipment | Excavator Zx200-3/Sh240-5/Sy235-9 |
Fuel Injection System Method(High-Pressure Common Rail Injection,Direct Injection) | High-Pressure Common Rail Injection |
Engine cylinder arrangement(Inline 4/Inline6 / V-type 6 / W-Type 12) | Inline 4 |
Compression Ratio | 16.5:1 |
Cooling System | Water-Cooling System |
Dimension(L*W*H)(mm) | 926×784×883mm |
Package(Wooden /Cartons) | Wooden |
Fuel consumption reduced by 15%-20%

The Isuzu 4HK1 engine features high-pressure common rail direct injection technology and turbocharging design, significantly enhancing fuel efficiency. Customer feedback indicates that after using this engine, excavators experienced a 15% to 20% reduction in fuel consumption. This translates to substantial fuel cost savings during extended operations.
Powerful torque output (e.g., 500 lb-ft @ 1,600 rpm)
This engine delivers a powerful torque output (e.g., 500 lb-ft @ 1,600 rpm), allowing excavators to maintain high performance even during low-speed operations. This characteristic is particularly beneficial for heavy-duty tasks such as digging and loading, enhancing overall work efficiency.

Reliability under high temperature and heavy load

The Isuzu 4HK1 engine is designed with a focus on stability, featuring advanced cooling and lubrication systems to ensure reliability under high temperatures and heavy loads. Additionally, the high-pressure common rail system optimizes the combustion process, reducing emissions while enhancing power output.
Application Areas
Excavator in Mining
Loader in Construction
Bulldozer in Farmland
Frequently Asked Questions
What are the main technical specifications of the 4HK1 engine?
Answer: Our 4HK1 engine is a 4-cylinder diesel engine with a displacement of 5.91 liters, utilizing a water cooling system. This engine offers a maximum power range of 128 to 139 horsepower (approximately 95 to 104 kW) and a peak torque of 500 lb-ft (approximately 678 Nm). The 4HK1 engine features high-pressure common rail direct injection technology, delivering excellent fuel economy and low emissions, making it suitable for various heavy machinery.
What equipment is the 4HK1 engine suitable for?
Answer: The Isuzu 4HK1 engine is widely used in various equipment, including excavators, loaders, commercial trucks, agricultural machinery, and generator sets. Its versatility makes it suitable for a range of heavy machinery.
What are the advantages of our 4HK1 engine assembly compared with the original product?
Answer: Our remanufactured 4HK1 engine assemblies undergo rigorous quality checks and use high-quality components to ensure performance and durability. Compared to OEM products, we offer more competitive pricing while maintaining similar performance standards.
How can I ensure that the 4HK1 engine assembly I purchase is compatible with my equipment?
Answer: To ensure compatibility, please provide your equipment model and year of manufacture before purchasing. Our technical team will verify whether the engine is suitable for your equipment based on the information you provide and offer appropriate recommendations.
Is our 4HK1 engine assembly tested to ensure performance?
Answer: Yes, all our remanufactured 4HK1 engine assemblies undergo rigorous testing, including performance and durability tests, to ensure they meet industry standards and perform excellently in real-world applications.
If I encounter problems during use, how can I get technical support?
Answer: We offer comprehensive technical support services, and customers can contact our technical support team via phone or email. Our professionals will assist you in resolving any engine-related issues, including installation, maintenance, and troubleshooting.
How to place orders and arrange delivery?
Answer: Customers can place orders through our website or by directly contacting our sales team. We will arrange for fast delivery based on customer requirements and provide shipping tracking information so customers can stay updated on their order status.

Customer Service
Warranty Policy
Right parts, guaranteed. If you find any defects, let us know within 60 days and we’ll take care of it. Check out our Warranty Policy for more details.
Shipping Policy
We ship fast so you can get on the road that much faster. Check out our Shipping Policy for more details.
Easy Return Policy
We’re only happy if you’re happy. If you’re not entirely satisfied with your order, you may be entitled to a refund. Check out our Return Policy for more details.
To be eligible for a return, your item must be unused, not installed, clean and in the same condition that you received it. Shrink wrapping must not be broken. It must also be in the original packaging.
To complete your return, we require a receipt or proof of purchase.
Please do not send your purchase back to the manufacturer.
For more details about returns, please check out our return policy.