Product Overview
International 4 Cylinder Diesel Engines are inline four-cylinder compression-ignition engines for industrial power and generator applications. They are available with mechanical or electronically controlled fuel injection systems for different equipment integrations.
Technical Specifications
|
Parameter |
Specification |
|
Configuration |
Inline 4-Cylinder, 4-Stroke, OHV |
|
Displacement |
3.9 L (238.9 cu in) |
|
Bore × Stroke |
98.4 mm × 128.5 mm |
|
Compression Ratio |
16.0:1 |
|
Rated Power |
50–63 kW (68–85 hp) |
|
Rated Speed |
2100–2400 RPM |
|
Idle Speed |
750 RPM |
|
Fuel System |
Direct Injection (DI), Rotary/Distributor Pump |
|
Injection Timing |
14° BTDC |
|
Oil Capacity |
8.5 L (with filter) |
|
Oil Pressure |
3.1–4.5 bar (rated) |
|
Cooling System |
13.2 L capacity, 82°C thermostat |
|
Valve Lash (Cold) |
0.30 mm intake / exhaust |
|
Head Bolt Torque |
156 N·m |
|
Main Bearing Torque |
149 N·m |
Application
|
Application Field |
Typical Use |
Key Benefits |
|
Agricultural Equipment |
Powering mid-sized tractors and harvesters |
Rated for continuous heavy-vibration workloads |
|
Industrial Machinery |
Driving air compressors, pumps, and generators |
Stable output under continuous load conditions |
|
Construction Vehicles |
Operating light excavators, loaders, and forklifts |
Structural integrity built for high-vibration environments |
|
Material Handling |
Powering heavy-duty lift trucks and yard cranes |
Fuel-efficient performance during long duty cycles |
Engineering & Customization
Technical Advantages
• Brake Specific Fuel Economy
Fuel delivery timing and injection system layout are configured to maintain stable combustion efficiency under rated load conditions.
• Low-RPM Torque Behavior
Torque output is tuned to remain usable at low engine speeds, supporting equipment that operates under frequent load variation.
• NVH and Structural Stability
Cylinder block structure and rotating assembly balance are designed to reduce vibration transmission during continuous operation.
OEM/ODM Capabilities
• Flywheel & Housing Interface
Machining is aligned with standard SAE interface dimensions to support compatibility with common transmission and hydraulic coupling systems.
• Electrical System Configuration
Starter motors, alternators, and harness layouts can be supplied in 12V or 24V configurations depending on vehicle architecture.
• Mounting Adaptation
Engine mounting points can be adjusted based on chassis layout drawings provided by the equipment manufacturer.
Quality Control
Dimensional Control (CMM)
Cylinder bore geometry is checked to maintain roundness within 0.015 mm to ensure assembly consistency.
Pressure Integrity Test
Engine blocks undergo multi-stage pressure testing at 5 bar to verify casting sealing performance.
End-of-Line Dynamometer Test
Each engine is hot-tested under load conditions to confirm oil pressure stability and operational consistency.
Component Ultrasonic Inspection
Crankshafts and connecting rods are inspected using ultrasonic methods to detect internal material discontinuities.
Emission Test Documentation
Emission data can be supplied based on ISO 8178 non-road steady-state test procedures when required by the target market.
Packaging & Global Logistics
VCI Protection Packaging
Engines are packed using vapor corrosion inhibitor materials to reduce corrosion risk during long-distance ocean transport.
ISPM-15 Wooden Base
Heat-treated wooden cradles compliant with ISPM-15 standards are used for container loading stability.
Steel Pallet Options
Steel pallet frames are available for shipments requiring additional mechanical protection.
Container Securing System
Engines are fixed using designated lifting and tie-down points for stability during multi-modal transport.
Traceability Labeling
Each unit is labeled with barcode-based tracking information for warehouse and shipment management.
FAQ
Q: What oil is recommended for different climates?
A: SAE 15W-40 is commonly used for standard operating environments, while 10W-30 is used for low-temperature conditions.
Q: Is oil pan customization available?
A: Yes. Deep-sump and application-specific oil pan designs can be provided for special installation angles.
Q: What cold start configurations are supported?
A: 12V or 24V starting systems and optional intake heating devices can be supplied depending on operating conditions.
Q: What is the typical production lead time?
A: Standard lead time is approximately 8 to 12 weeks after order confirmation, depending on order volume.
Q: Are emission reports available for certification?
A: Emission documentation can be provided according to the regulatory requirements of the destination market.
Q: What warranty terms are offered?
A: Standard warranty is 12 months or 2,000 operating hours, whichever occurs first under normal use conditions.
