Used Komatsu 3D84 Diesel Engine | 1.4L-1.5L Turbo | Rebuilt for Mini Excavators & Construction
Certified Rebuilt Komatsu 3D84 Diesel Engine – Compact Power for Mini Excavators
| Parameter | Specification |
|---|---|
| Displacement | 1.4L-1.5L (In-line 4 Turbocharged) |
| Max Power | 15.9-21 kW @ 2,500 RPM |
| Torque | 60-80 N·m (estimated) |
| Weight | 150-200 kg (approx.) |
| Emission Standard | Tier 1 / Stage II |
| Fuel System | Mechanical Injection |
| Bore × Stroke | 84 mm × 90 mm (approx.) |
Certified Rebuilt Komatsu 3D84 Diesel Engine – Compact Power for Mini Excavators
This OEM-refurbished Komatsu 3D84 diesel engine delivers 15.9-21 kW (21-28 HP) of reliable performance for mini excavators and compact construction machinery. Fully rebuilt to original specifications, this 1.4L-1.5L turbocharged engine combines fuel efficiency with durability, ideal for tight-space operations and light-duty applications.
⚙️ Technical Specifications
| Parameter | Specification |
|---|---|
| Displacement | 1.4L-1.5L (In-line 4 Turbocharged) |
| Max Power | 15.9-21 kW @ 2,500 RPM |
| Torque | 60-80 N·m (estimated) |
| Weight | 150-200 kg (approx.) |
| Emission Standard | Tier 1 / Stage II |
| Fuel System | Mechanical Injection |
| Bore × Stroke | 84 mm × 90 mm (approx.) |
✅ Key Features
-
Industrial-Grade Rebuild
-
Turbocharger recalibration for optimal performance
-
Cylinder block reconditioning with OEM-grade components
-
Mechanical fuel pump overhaul for reliability
-
-
Ready-to-Install
-
Pre-installed filters and fluids
-
Includes mounting hardware for mini excavators
-
-
Global Compliance
-
Documentation for Tier 1/EPA standards included
-
💰 Value Proposition
-
Cost Savings: $1,200-$1,800/unit (40-50% below new)
-
Warranty: 6-12 months (varies by supplier)
-
Fuel Efficiency: Optimized injection for lower consumption
-
SEO Keywords: “Komatsu 3D84 for excavators”, “rebuilt diesel engine”, “mini excavator engine”
🏗️ Applications
-
Mini Excavators: Komatsu PC20-2, PC30UU-3, PC35R-8
-
Construction: Light-duty machinery and industrial equipment
Related products
-
Komatsu 4D95 Diesel Engine for Excavators
Komatsu Engine





