Description
Product Overview
The HTD Isuzu 4JJ1 Tier 3 Engine Assembly is a reliable replacement power solution designed for the SANY SY155-10 excavator.
Developed for medium-size excavator applications, the 4JJ1 diesel engine provides stable power output, efficient fuel consumption, and dependable operation under continuous working conditions. It is an ideal choice for excavator engine replacement, machine refurbishment, and power system maintenance.
As a professional excavator parts supplier, HTD provides replacement engine solutions for global machinery customers. Mechanical testing reports and inspection support are available to help customers verify engine performance before shipment.
Key Features & Benefits
Designed for SANY SY155-10 Excavator
The Isuzu 4JJ1 engine assembly is specifically matched with the SANY SY155-10 excavator, providing a practical replacement option for engine repair and rebuilding projects.
Reliable Isuzu Diesel Technology
The 4JJ1 engine is known for stable operation, efficient combustion performance, and durability, making it suitable for long working hours in construction environments.
Efficient Fuel Performance
The engine design helps optimize fuel consumption while maintaining sufficient power output for excavation, loading, and material handling operations.
Reduced Equipment Downtime
A complete engine assembly solution allows repair companies and equipment owners to replace worn engines faster and restore machine productivity.
Professional Inspection Support
HTD provides mechanical test reports and product inspection support to help customers confirm engine condition before delivery.
Technical Specifications
| Item | Specification |
|---|---|
| Product Name | Isuzu 4JJ1 Engine Assembly |
| Engine Model | 4JJ1 Tier 3 |
| Compatible Machine | SANY SY155-10 Excavator |
| Compatible Brand | SANY / Isuzu |
| Application | Excavator / Agricultural Machinery |
| Engine Type | Diesel Engine Assembly |
| Fuel Type | Diesel |
| Emission Standard | Tier 3 |
| Brand | HTD |
| Origin | Guangdong, China |
| Country of Manufacture | China |
| Product Condition | Aftermarket Replacement |
| MOQ | 1 Piece |
| Warranty | 3–6 Months (According to product details) |
| Mechanical Test Report | Available |
| Factory Inspection Video | Available |
| Packaging | Wooden Case / Customized Packaging |
| Delivery Time | 7–10 Days |
| Payment Methods | T/T, Western Union, PayPal, Alipay, Trade Assurance |
| Shipping Service | International Export Shipping |
Applications
The HTD Isuzu 4JJ1 Engine Assembly is suitable for:
- SANY SY155-10 excavator engine replacement
- Excavator power system repair
- Construction machinery maintenance
- Agricultural machinery applications
- Equipment refurbishment projects
- Excavator service workshops
- Machinery rental fleet maintenance
- Engineering equipment repair
Why Choose HTD?
HTD specializes in supplying excavator spare parts, engine assemblies, hydraulic components, and construction machinery replacement solutions.
Our advantages include:
- Professional excavator parts supplier in China
- Experience with SANY, Caterpillar, Komatsu, Hitachi and other brands
- Reliable aftermarket engine replacement solutions
- Flexible MOQ starting from 1 piece
- Mechanical testing support before shipment
- Export-standard wooden packaging
- Fast international delivery
- Technical assistance for global customers
HTD helps machinery dealers, repair companies, and contractors reduce maintenance costs and improve equipment uptime.
Inventory Capability
For popular excavator engine models, HTD provides stable supply support.
Supply advantages:
- Single unit orders accepted
- Suitable for repair projects and wholesale purchasing
- Fast quotation response
- Professional export packing
- Flexible supply solutions
Customers requiring long-term cooperation can receive customized sourcing support according to machine models and market demand.
Maintenance Tips
To extend the service life of the Isuzu 4JJ1 engine:
Regular Oil Replacement
Replace engine oil and filters according to operating hours to reduce internal wear.
Keep Fuel System Clean
Use clean diesel fuel and replace fuel filters regularly to maintain stable combustion.
Check Cooling System
Inspect coolant level, radiator condition, and cooling performance to prevent overheating.
Monitor Engine Operation
Pay attention to abnormal smoke, vibration, noise, or power reduction and perform inspections promptly.
Proper maintenance helps improve engine reliability and reduce unexpected downtime.















