| Model | RK 80 | RK 125 | RK 155 | Key Advantage |
|---|---|---|---|---|
| Power | 8 HP | 12.5 HP | 15.5 HP | Scalable power options |
| Weight | 86 kg | 112 kg | 123 kg | Lightest in class |
| Fuel Efficiency | 184 g/PS.h | 182 g/PS.h | 183.8 g/PS.h | Industry-leading consumption |
| Dimensions | 760×360×580 mm | 760×370×600 mm | 850×400×620 mm | Compact footprint |
Shared Features:
Direct injection combustion
Water-cooled reliability
Horizontal cylinder design
A. Engine Performance
RK 80: Ideal for light irrigation (0.465L displacement)
RK 125: Perfect for construction machinery (0.666L displacement)
RK 155: Heavy-duty power for industrial pumps (0.770L displacement)
B. Fuel Efficiency
3% more efficient than comparable Yanmar engines
Low smoke emission meets Tier 2 standards
C. Durability Features
Forged steel crankshaft
Replaceable wet cylinder liners
| Application | Recommended Model | Why? |
|---|---|---|
| Farm Irrigation | RK 80 | Lightweight + fuel efficient |
| Concrete Mixers | RK 125 | Balanced power/weight |
| Industrial Pumps | RK 155 | High torque for continuous operation |
vs Gasoline Engines: 30% lower fuel costs
vs Competitors:
15% lighter weight
Standard water-cooling (vs. air-cooled alternatives)
