Kubota V2203-M-DI-ES08 excavator engine for Kubota KX121-3ST KX155 KX161 KX163 U45-3 excavator




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1. Application Compatibility
This engine is the primary power unit for Kubota’s mid-sized mini excavator range:
Kubota KX Series: KX121-3, KX121-3ST (Super Tight), KX155, KX161-2, KX161-3, KX163
Kubota U Series: U45-3, U48, U50
Other Equipment: Widely used in Bobcat skid steers (753, 763, 773, S150, S175), Scat Track loaders, and various commercial generators and light towers.
2. Technical Specifications
Engine Model: Kubota V2203-M-E3B / V2203-DI (Direct Injection) / V2203-KA
Type: 4-Cylinder, 4-Cycle, Liquid-Cooled Diesel
Aspiration: Naturally Aspirated
Bore x Stroke: 87 mm x 92.4 mm
Displacement: 2.197 Liters
Rated Output: 30.0 - 36.0 kW (Approx. 40 - 49 HP @ 2200-2800 RPM)
Combustion System: E-TVCS (Three Vortex Combustion System) or Direct Injection (DI)
Lubrication: Forced lubrication via gear pump
3. Key Engineering Advantages
E-TVCS Technology: Kubota's proprietary combustion system improves airflow and fuel mixing, resulting in lower emissions, less smoke, and better fuel economy for the KX121-3ST.
High Torque Performance: Engineered to provide steady power under heavy hydraulic load, ensuring the KX161 can maintain breakout force without engine bogging.
Low Noise & Vibration: The tunnel-series crankcase and optimized gear train significantly reduce mechanical noise, making it ideal for urban utility projects.
Ease of Repair: The V2203 is famous for its simple mechanical fuel system, which is highly reliable and easy to maintain even in remote job sites.
4. Supply Scope for Parts
Engine Assemblies: Brand new original engines, factory remanufactured (overhauled) units, and tested used engines.
Overhaul Kits: Pistons, piston rings, cylinder liners, and main/connecting rod bearings (Available in standard and oversize).
Gasket Sets: Complete engine gasket kits, including head gaskets, oil seals, and manifold gaskets.
Fuel & Cooling: Injection pumps, fuel injectors, water pumps, thermostats, and oil coolers.
Electrical: 12V Starters, alternators, and engine shut-off solenoids.
Service Support: 1-year quality warranty on new components and fast global shipping (DHL, UPS, FedEx).