I. Basic Specifications (Operating Weight & Power)
Item
SY155C / SY155H
SY155U (Tier4 / Stage V)
Operating Weight
~ 14,100 kg (14.1 t)
~ 16,000 kg (16 t)
Standard Bucket Capacity
~ 0.65 m³
~ 0.60 m³
Engine Model
Isuzu 4JJ1 / 4JJ1X
Isuzu AR-4JJ1XASC
Displacement
~ 2.999 L
~ 2.999 L
Rated Power
~84 kW(≈ 113 hp)
~78.5 kW(≈ 105 hp)
Fuel Tank Capacity
~240 L
~220 L
Hydraulic Tank Capacity
~150 L
~110 L
II. Operating Performance
Indicator
SY155C / SY155H / SY155U
Bucket Digging Force (ISO)
~103 kN
Arm Digging Force
~67 kN
Standard Boom Length
~ 4.6 m
Standard Arm Length
~ 2.5 m
Bucket Capacity Range
0.60–0.65 m³ (slight variations by version)
Note: SY155C / SY155H versions mainly focus on domestic National III/GBIII configurations, while SY155U introduces stricter Tier 4/Stage V emission standards.
III. Travel & Hydraulic Performance
Item
Typical Value
Travel Speed (High/Low Gear)
~ 5.5 km/h / 3.5 km/h (reported for SY155H)
Swing Speed
~ 12 rpm
Gradeability
~ 70 % (approximately 35°)
Ground Pressure
~ 43 kPa (reported for SY155H)
IV. Dimensions & Structure
Sany’s official data does not fully disclose the detailed dimensions of the SY155 series (such as transport length/width/height, track ground contact length, etc.), but some version parameters are as follows (approximate for SY155H):