المحرك Yanmar 4TNV98 4TNV98T لـ حفارة صغيرة Yanmar VIO80-U VIO80-1A SV100-1 SV100-2A

PRODUCT: Yanmar 4TNV98 / 4TNV98T Diesel Engine Assembly & Parts

1. Application Compatibility
This engine series powers the heavy-duty segment of compact and mid-sized excavators:

Yanmar ViO Series: ViO80, ViO80-U, ViO80-1A

Yanmar SV Series: SV100, SV100-1, SV100-2, SV100-2A

Other Brands: Also widely used in Takeuchi (TB285, TB290), Hyundai (R80-7), Doosan (DX80R), and various Mustang/Gehl skid steers.

2. Technical Specifications
Engine Models: * 4TNV98: Naturally Aspirated (Typical for ViO80)

4TNV98T: Turbocharged (Typical for SV100)

Type: 4-Cylinder, 4-Cycle, Liquid-Cooled Diesel

Bore x Stroke: 98 mm x 110 mm

Displacement: 3.319 Liters

Rated Output: * 4TNV98: 41.0 - 52.0 kW (Approx. 55 - 70 HP)

4TNV98T: 53.0 - 64.0 kW (Approx. 71 - 86 HP)

Combustion System: Direct Injection (DI) or Common Rail (CR) for newer Tier 4 models.

Emission Class: EPA Tier 3 / Tier 4 Final compliant versions available.

3. Key Engineering Advantages
High Displacement Torque: The 3.3L displacement provides the massive breakout force and lifting capacity required for the SV100-2, which competes with many larger 12-ton machines.

Turbocharged Performance (T-Series): The 4TNV98T utilizes a wastegate turbocharger to maintain power at high altitudes and under heavy hydraulic loads without sacrificing fuel economy.

Durability for Heavy Duty: Engineered with a high-rigidity cylinder block and specialized cooling channels to ensure reliability during 24/7 operations in demolition or heavy construction.

Electronic Control Integration: Compatible with the advanced electronic hydraulic systems used in the ViO80-1A, allowing for "Eco Mode" and auto-deceleration features that save fuel.

4. Supply Scope for Parts
Engine Assemblies: Brand new original Yanmar engines, fully remanufactured (overhauled) units, and tested used engines.

Overhaul Kits: Pistons, piston rings, cylinder liners, and main/connecting rod bearings.

Gasket Sets: Complete engine overhaul gasket kits, including the reinforced cylinder head gasket.

Fuel & Cooling: Injection pumps, fuel injectors, water pumps, thermostats, and turbocharger units.

Electrical: 12V Starters, alternators, and engine control units (ECU) for common rail models.

Service Support: 1-year quality warranty on new components and fast global express shipping (DHL, UPS, FedEx).