Used Yanmar 3TNE84 Turbo Diesel | 1.5L Rebuilt for Skid Steers & Agricultural Equipment
Used Yanmar 3TNE84 Diesel Engine for Sale | 1.5L 3-Cylinder Rebuilt for Mini Excavators & Mowers
| Parameter | Specification |
|---|---|
| Engine Model | Yanmar 3TNE84 / 3TNE84T (Turbo) / 3TNE84C / 3TNE84D |
| Type | Inline 3 Cylinder, 4‑Stroke, Water‑Cooled Diesel |
| Displacement | 1.267 L to 1.5 L (depending on variant) |
| Bore × Stroke | 84 mm × 90 mm |
| Compression Ratio | 18.5:1 (estimated) |
| Max Power (Naturally Aspirated) | 28 HP (20.9 kW) @ 2,800 RPM |
| Max Power (Turbocharged) | 39‑44 HP (29‑33 kW) @ 2,800‑3,000 RPM |
| Max Torque | Approximately 90‑100 N·m |
| Fuel System | Indirect Injection (IDI) / Direct Injection (DI) on later variants |
| Aspiration | Naturally Aspirated or Turbocharged |
| Cooling System | Liquid-Cooled, Centrifugal Fan |
| Coolant Capacity | 5.5 L |
| Starting System | 12V Electric Starter (1.4 kW) |
| Alternator | 12V, 20 Amps |
| Length | 545‑616 mm |
| Width | 430‑518 mm |
| Height | 560‑652 mm |
| Dry Weight | 83‑159 kg (depending on configuration) |
Are you looking for a compact, fuel‑efficient used engine for your mini excavator or turf mower? This fully rebuilt Yanmar 3TNE84 diesel engine delivers dependable power in a small package. With a displacement of 1.5 liters and a 3‑cylinder design, this engine is a trusted power source for skid‑steer loaders, compact tractors, floor saws, and small generators. This engine is also the direct counterpart to the Komatsu 3D84E, widely used in PC30 and PC35 mini excavators. We have completely overhauled this used engine for sale to restore its original factory performance. It gives you a cost‑effective way to keep your small equipment working.
Applications & Compatibility
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Mini Excavators: Direct fit for Komatsu PC30‑6, PC30‑7, PC35R‑8, PC38UU‑3 series excavators
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Skid Steer Loaders: Suitable for Komatsu SK05J‑2 and SK07‑2 models
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Compact Tractors: Fits John Deere 870, 3225B, and 3235B Fairway Mowers
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Floor Saws & Chippers: Used in Gravely PRO CHIP 944 chipper and various floor saw applications
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Power Generation: Small industrial generator sets and Kohler generator models
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Material Handling: Compatible with Doosan 602 PLUS and DSL602 compact loaders
Key Features
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Compact and Lightweight Design: The 3TNE84 engine has a very small footprint. Its lightweight design makes it easy to fit into tight engine compartments. This is a good fit for mini excavators, compact tractors, and turf equipment where space is limited.
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Fuel Efficient Operation: The 3TNE84 is known for its low fuel consumption. The 3‑cylinder design and indirect injection system provide good fuel economy. This helps lower your operating costs over time, especially in applications like mowers that run for many hours.
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Clean Emissions: This engine meets Tier 2 / Stage II emission standards. Later turbocharged variants meet stricter Tier 3 requirements. It is a good choice for job sites with basic emission rules.
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Multiple Configuration Options: The 3TNE84 is available in several versions. The naturally aspirated version provides reliable power for most small equipment. The turbocharged version (3TNE84T) delivers up to 44 HP for more demanding applications. The engine also comes in different mounting configurations to fit various equipment.
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Proven Reliability in Small Equipment: The 3TNE84 engine is widely used by major equipment brands. It is found in Komatsu PC series mini excavators, John Deere compact tractors, Kobelco SK series excavators, and various material handling equipment. Many of these engines run for 8,000‑10,000 hours with good maintenance.
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Interchangeable with Komatsu 3D84E: The Yanmar 3TNE84 is the direct equivalent of the Komatsu 3D84E engine. This means parts and service information are widely available. It is a popular choice for equipment owners who need a reliable, easy‑to‑maintain power source.
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Fully Rebuilt to OEM Standards: We completely disassemble each engine and rebuild it to original Yanmar factory specifications. We recondition the cylinder head and inspect the cylinder block. We service the fuel injection system. All critical wear parts are replaced with new components.
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Tested Before Shipping: Every unit is hot‑run tested to verify compression, oil pressure, and cooling performance. A test report is available upon request.
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Ready to Install: This used engine for sale ships as a complete long‑block assembly with pre‑installed filters and fluids. Necessary mounting hardware and wiring harness are included for straightforward installation.
Why Buy From Us
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12‑Month Warranty: Coverage for parts and workmanship on all rebuild components
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Worldwide Shipping: Secure export packaging and freight coordination available
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Compatibility Support: Free fitment check with your machine model and serial number
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Core Exchange Available: Ask about returning your old engine core to save on cost
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Documentation Provided: Full rebuild reports and test results upon request







