SY155U
35,274 lb | 103.9 hp | 17′ 11″ Dig Depth
The SY155U compact excavator is designed for operator comfort and efficiency, built using feedback from experienced users. Powered by a reliable Isuzu engine, it delivers high performance all day, with minimal tail swing for tight spaces. Trailer-ready with an optional bolt-on rubber pad, the SY155U is easy to transport and street-ready for versatile job site use.


- When Equipped With Quick Coupler, Operators Can Easily Reduce The Time It Takes To Change Work Tools Giving Convenience And Flexibility In The Field
- Easy To Transport At A Maximum Legal Load Width of 102”
- Steel Track Comes Standard With The Option Of Bolt-On Rubber Pads To Make Your Machine Street-Ready For Work On Pavement Or Concrete
- Minimal Tail Swing Radius Allows Operation In Extremely Confined Spaces
Specifications and Brochure
Overall Dimensions
| DIMENSIONS | |
| Boom Length |
4 600 mm
15’ 1” |
| Stick (Arm) Length |
2 500 mm
8’ 2” |
| A Transport Length |
7 430 mm
24’ 5” |
| B Transport Width |
2 600 mm
8’ 6” |
| C Transport Height |
2 820 mm
9’ 3” |
| D Upper Structure Width |
2 490 mm
8’ 2” |
| E Blade Height |
504 mm
1’ 8” |
| F Track Width (standard shoe) |
600 mm
24” |
| G Track Gauge |
1 990 mm
6’ 6” |
| H Ground Clearance (minimum) |
425 mm
1’ 5” |
| I Tail Swing Radius |
1 500 mm
4’ 11” |
| J Track Length on Ground |
2 930 mm
9’ 7” |
| K Track Length |
3 665 mm
12’ 0” |
| SERVICE REFILL CAPACITIES | |
| Fuel Tank Capacity |
210.0 L
55.5 gal |
| DEF Tank Capacity |
20.0 L
5.3 gal |
| Hydraulic Tank Capacity |
110.0 L
29.1 gal |
| Engine Oil Capacity |
15.0 L
4.0 gal |
| Cooling System Capacity |
16.0 L
4.2 gal |
Technical Specifications
| TECHNICAL SPECIFICATIONS | |
| Operating Weight |
16 000 kg
35,274 lbs |
| Ground Pressure |
41.0 kPa
5.9 psi |
| Engine |
ISUZU FT4-4JJ1X
|
| Displacement |
3.0 L
183.0 in3 |
| Gross Power |
78.5 kW
105.3 HP |
| Net Power |
77.5 kW
103.9 HP |
| Hydraulics |
Positive Flow Control w/Pilot Control
|
| Main Hydraulic Pump |
Axial Piston – Variable Displacement
|
| Operating Flow (maximum) |
220.0 L/min
58.1 gal/min |
| Operating Pressure (maximum) |
34.3 MPa
4,975 psi |
| Primary Auxilary Flow |
110 L/min
29.1 gal/min |
| Primary Auxiliary Pressure (maximum) |
34.3 MPa
4,975 psi |
| Secondary Auxiliary Flow (maximum)* |
70 L/min
18.5 gal/min |
| Secondary Auxiliary Pressure (maximum) |
24.5 MPa
3,553 psi |
| Travel Motor |
Axial Piston with Park Brake
|
| Travel Pressure (maximum) |
34.3 MPa
4,975 psi |
| Travel Speeds (maximum) |
3.1 / 5.3 km/hr
1.9 / 3.3 mph |
| Travel Effort (maximum) |
114.0 kN
25,628 lbf |
| Grade Capability (maximum) |
35°
|
| Swing Motor |
Axial Piston with Swing Brake
|
| Swing Pressure (maximum) |
25.0 MPa
3,626 psi |
| Swing Speed (maximum) |
12.5 RPM
|
| Undercarriage (standard) |
Steel Track
|
| Track Shoe Width (standard) |
600 mm
24” |
| Track Rollers (per side) |
7
|
| Carrier Rollers (per side) |
1
|
