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| ITEM NO/DETAILS | ST3000 | ST4000 | ST5000 | ||||
| ENGINE | |||||||
| Engine | Changchai ZN390B/YANMA3TN88/ KBOTA V1505 |
Changchai ZN390B/YANMA3TN88/ KBOTAV1505 |
CHANGCHAI ZN490B/YANMAR 4TNV88/ KBOTA V2403 |
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| Engine type | Three cylinder, Vertical, water-cooled, four-stroke, diesel | Three cylinder, Vertical, water-cooled, four-stroke, diesel | 4 cylinders, water-cooled, four-stroke, diesel | ||||
| Number of cylinders | 3 | 3 | 4 | ||||
| Output power (KW) | 28.5 | 28.5 | 36/34.5/33.6 | ||||
| Rating speed(RPM) | 2600 | 2600 | 2400 | ||||
| Fuel consupmtion(G/KWH) | 240 | 240 | 255/261/255 | ||||
| Lubricating oil volume(L) | 5 | 5 | 6.5/7.4/9.5 | ||||
| DRIVING | |||||||
| Electrical equipment(V) | 12 | 12 | 12 | ||||
| Drive mode | Variabledisplacement pump, stepless speed change, two wheels drive,motor parallel | Variable displacement pump, stepless speed change, double-wheel drive, parallel motor | Variable displacement piston pump, stepless speed change, double-wheel drive, motor in parallel | ||||
| Walking speed (KM/H) | 0-10 | 0-10 | 0--12 | ||||
| Theoretical climbing ability(%) | 30/40(vibration on/off) | 0.4 | 35/40(vibration on/off) | ||||
| STEERING | |||||||
| Swing angle(°) | 30 | 30° | 30 | ||||
| Steering mode | Hydraulic cylinder, articulated steering | Hydraulic cylinder, articulated steering | Hydraulic cylinder, articulated steering | ||||
| Steering system | Swing articulated | Swing articulated | Swing articulated | ||||
| EXCITING SYSTEM | |||||||
| Vibration wheel | Front/ Rear/ Double | Front+Rear | Front+Rear | ||||
| Drive form | Hydraulic Motors | Hydraulic motors | Hydraulic Motors | ||||
| Vibration frequency (HZ) | 60 | 60 | 50 | ||||
| Vibration amplitude (MM) | 0.5 | 1 | 0.5 | ||||
| Exciting force(KN) | 35 | 35 | 45*2 | ||||
| SPRINKLING SYSTEM | |||||||
| Water spray form | Intermittent pressure water spray | Intermittent pressure water spray | Intermittent pressure water spray | ||||
| CAPACITY | |||||||
| Hydraulic oil capacity(L) | 42 | 46 | 60 | ||||
| Fuel capacity(L) | 42 | 42 | 44.5 | ||||
| Water tank capacity (L) | 140 | 140 | 180 | ||||
| SIZE | |||||||
| Working width(MM) | 1370 | 1370 | 1580 | ||||
| Overall length(MM) | 2480 | 2480 | 2850 | ||||
| Machine height(MM) | 2670 | 2670 | 2680 | ||||
| Turning radius(outer)(MM) | 4130 | 4130 | 4380 | ||||
| Ground clearance(MM) | 385 | 720*1200mm*2 | 445 | ||||
| Wheel track(MM) | 1650 | 16 | 1950 | ||||
| Drum size | 720*1200mm*2 | 385 | 900*1400mm*2 | ||||
| Drum thickness(MM) | 16 | 1720 | 20 | ||||
| Wheel offset(MM) | 50 | 50 | 50 | ||||
| WEIGHT | |||||||
| Weight(KG) | 3000 | 4000 | 5000 | ||||
| Static load(N/CM) | 135/125 | 135/125 | 155 | ||||
4 ton road roller: