what are the ways for modern diesel engines to save energy and reduce emissions?
 
| Engine Application Construction | Engine Category Yuchai | 
| Engine Model | YC6J125Z-T20 | YC6J125Z-T21 | YC6J125Z-T22 | YC6J145Z-T20 | YC6J210N-20 | 
|---|---|---|---|---|---|
| Configuration | Vertical, in-line, 4 stroke, water-cooled, direct injection | ||||
| Number of Cylinders× Bore × Stroke | 4-105×125 | ||||
| Displacement (L) | 6.49 | ||||
| Compression ratio | 17.5:1 | ||||
| Aspiration | Turbocharging | Turbocharged,inter-cooled | |||
| Fuel System | Mechanical pump | Electronically controlled | |||
| Rated Power /Speed | 92/2200 | 92/2300 | 92/2000 | 105/2300 | 155/2500 | 
| (kW/r/min) | |||||
| Torque/Speed | 500/1300~1600 | 500/1300~1600 | 550/1300~1500 | 525/1300~1600 | 710/≤1500 | 
| (N.m/r/min) | |||||
| Min. fuel consumption with | ≤205 | ||||
| full load (g/kW.h) | |||||
| Speed governing rate % | 8~12 | ||||
| Emission | Tier2 | ||||
| Application | 30 loader, 8~10t forklift truck | Air ompressor, | Loader, paver | Loader | 7.87 inch suction water pump | 
| 30 loader | |||||