Komatsu 4D107 Diesel Engine SAA4D107E Stable Power High Efficiency Low Fuel Consumption for Medium Construction Machinery
The Komatsu 4D107 is a 4-cylinder water-cooled direct injection diesel engine with turbocharging and aftercooling, delivering reliable power, strong torque, and low fuel consumption. It features a compact structure, durable design, and easy maintenance, widely used in Komatsu medium excavators, loaders, and other construction equipment.
Specifications
| Item |
Details |
| Engine Type |
Inline 4 Cylinder 4 Stroke Water Cooled Diesel |
| Displacement |
4.5 L |
| Bore x Stroke |
107 mm × 124 mm |
| Fuel System |
Direct Injection / Common Rail |
| Aspiration |
Turbocharged Aftercooled |
| Power Range |
86–94 kW 115–126 HP |
| Rated Speed |
2200 rpm |
| Emission Standard |
EPA Tier 4 Final EU Stage IV |
Key Advantages
- Stable power output and strong low-speed torque improve work efficiency
- Direct injection and optimized combustion deliver excellent fuel economy
- Compact size fits well in small and medium construction machinery
- Turbocharged aftercooled system enhances performance in all conditions
- Rugged structure ensures long service life and high durability
- Simple design reduces maintenance time and operating costs
- Wide availability of genuine parts and global service support
Typical Applications
- Komatsu PC160 PC170 PC200 series excavators
- Komatsu WA200 wheel loaders
- PW148 wheeled excavators
- D39 crawler tractors
- Industrial generator sets and pump units
- Medium construction and municipal engineering equipment
FAQs
- What type of engine is the Komatsu 4D107
It is an inline 4 cylinder 4 stroke water cooled direct injection turbocharged aftercooled diesel engine
- What is the displacement of the 4D107
Displacement is 4.5 liters
- What is the power range
It delivers 86 to 94 kW 115 to 126 HP at 2200 rpm
- Which machines use the 4D107 engine
It is widely used in Komatsu medium excavators loaders and other construction equipment
- Is this engine fuel efficient
Yes direct injection and optimized combustion provide high fuel economy
- Are spare parts easy to source
Yes genuine parts are widely available with low maintenance cost