Yanmar 3TNV88 engine for Yanmar VIO30-5B VIO30-6B VIO35-3 VIO35-6A VIO35-6 SV26 mini excavator



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1. Application Compatibility
This engine is the standard power unit for a wide range of Yanmar and partner-brand excavators:
Yanmar ViO Series: ViO30-5B, ViO30-6B, ViO35-3, ViO35-5, ViO35-6, ViO35-6A
Yanmar SV Series: SV26
Other Brands: Often found in Kobelco (SK30SR, SK35SR), Hitachi (ZX30U, ZX35U), and John Deere (35D, 35G) mini excavators.
Additional Equipment: Power generators, industrial compressors, and high-capacity forklifts.
2. Technical Specifications
Engine Model: Yanmar 3TNV88-B / 3TNV88-U / 3TNV88-Z
Type: 3-Cylinder, 4-Cycle, Liquid-Cooled Diesel
Aspiration: Naturally Aspirated
Bore x Stroke: 88 mm x 90 mm
Displacement: 1.642 Liters
Rated Output: 18.0 - 21.0 kW (Approx. 24 - 28 HP @ 2400-2500 RPM)
Emission Class: EPA Tier 4 Final / EU Stage V Compliant
Combustion System: Direct Injection (DI)
Lubrication: Forced lubrication via gear pump
3. Key Engineering Advantages
Direct Injection Performance: The DI system ensures rapid throttle response and high breakout force, making it ideal for the demanding hydraulic cycles of the ViO35-6.
Compact & Powerful: Specifically designed with a narrow profile to fit the tight engine bays of Zero Tail Swing machines without sacrificing cooling efficiency.
Low Noise & Emissions: Features a stiffened cylinder block and optimized gear train to minimize vibration and meet strict urban noise regulations.
High Reliability: Renowned for its "start-and-go" reliability in extreme temperatures, supported by a heavy-duty cooling system.
4. Supply Scope for Parts
Engine Assemblies: Brand new original engines, fully remanufactured units, or inspected used engines.
Overhaul Kits: Pistons, piston rings, liners, main/con-rod bearings, and full gasket sets (head gaskets, oil seals).
Fuel & Air System: Injection pumps, fuel injectors, lift pumps, and air intake manifolds.
Cooling & Electrical: Water pumps, thermostats, oil coolers, radiators, 12V starters, and alternators.
Service Support: 1-year quality warranty on new components with global express shipping (DHL, UPS, FedEx).