SY50U
11,707 lb | 45.2 hp | 11′ 3″ Dig Depth
The SY50U zero tail swing excavator delivers high performance in a compact design, ideal for landscaping, light forestry, agriculture, small construction, and utility work. Its swing boom and maneuverable footprint allow efficient operation in tight spaces, while the backfill blade with float function improves grading and backfilling. Quick-coupler plumbing and adjustable auxiliary flow make attachment changes fast and versatile, supporting thumbs, brush cutters, and breakers. Powered by a reliable Yanmar engine with auto-idle, the SY50U offers fuel-efficient, dependable performance. Backed by a 5-year/5,000-hour standard warranty, it provides long-lasting value on every job site.


- Swing Boom
- True Zero Tail Swing
- Primary And Secondary Auxiliary Circuits
- Quick-Coupler Plumbing To the End of The Stick
- Pilot Controls With Pattern Change Valve
- Load Sensing Hydraulics
- Cylinder Guards For Increased Protection
- 16” Rubber Tracks For the Preservation of Finished Surfaces
- Bright LED light Package
- Powerful Yanmar Engine
Specifications and Brochure
Overall Dimensions
| DIMENSIONS | |
| Boom Length |
2 700 mm
8’ 10” |
| Stick Length |
1 500 mm
4’ 11” |
| A Transport Length |
5 390 mm
17’ 8” |
| B Transport Width |
1 960 mm
6’ 5” |
| C Transport Height |
2 630 mm
8’ 8” |
| D Upper Structure Width |
1 760 mm
5’ 9” |
| E Blade Height |
330 mm
13” |
| F Track Width (standard shoe) |
400 mm
16” |
| G Track Gauge |
1 560 mm
5’ 1” |
| H Ground Clearance (minimum) |
325 mm
13” |
| I Tail Swing Radius |
980 mm
3’ 3” |
| J Track Length on Ground |
1 990 mm
6’ 6” |
| K Track Length |
2 510 mm
8’ 3” |
| SERVICE REFILL CAPACITIES | |
| Fuel Tank Capacity |
78.0 L
20.6 gal |
| Hydraulic Tank Capacity |
52.0 L
13.7 gal |
| Engine Oil Capacity |
7.4 L
2.0 gal |
| Cooling System Capacity |
4.2 L
1.1 gal |
Technical Specifications
| TECHNICAL SPECIFICATIONS | |
| Operating Weight |
5 300 kg
11,684 lbs |
| Ground Pressure |
31.6 kPa
4.6 psi |
| Engine |
Yanmar 4TNV88C
|
| Displacement |
2.19 L
134.3 in3 |
| Gross Power |
29.1 kW
39.0 HP |
| Net Power |
27.7 kW
37.1 HP |
| Hydraulics |
Load Sensing with Pilot Control
|
| Main Hydraulic Pump |
Axial Piston – Variable Displacement
|
| Operating Flow (maximum) |
110.0 L/min
29.1 gal/min |
| Operating Pressure (maximum) |
24.5 MPa
3,553 psi |
| Primary Auxiliary Flow (maximum)* |
70 L/min
18.5 gal/min |
| Primary Auxiliary Pressure (maximum) |
25 MPa
3,626 psi |
| Secondary Auxiliary Flow (maximum)* |
45 L/min
11.9 gal/min |
| Secondary Auxiliary Pressure (maximum) |
25 MPa
3,626 psi |
| Travel Motor |
Axial Piston with Park Brake
|
| Travel Pressure (maximum) |
24.5 MPa
3,553 psi |
| Travel Speeds (maximum) |
2.7 / 4.0 km/hr
1.7 / 2.5 mph |
| Travel Effort (maximum) |
40.7 kN
9,150 lbf |
| Grade Capability (maximum) |
30°
|
| Swing Motor |
Axial Piston with Swing Brake
|
| Swing Pressure (maximum) |
19.1 MPa
2,770 psi |
| Swing Speed (maximum) |
10 RPM
|
| Undercarriage (standard) |
Belted Rubber Track
|
| Track Shoe Width (standard) |
400 mm
16” |
| Track Rollers (per side) |
4
|
| Carrier Rollers (per side) |
1
|
