SY155U Compact Excavator

SY155U

35,274 lb | 103.9 hp | 17' 11" Dig Depth

The SANY SY155U is the reduced-radius small excavator designed for North American utility contractors working in congested urban environments, around buildings, and near traffic. Its compact tail swing and excellent visibility allow safe, productive operation in tight spaces. Displayed with the tiltrotator and bolt-on rubber pads, this configuration provides unmatched precision and surface protection. Rubber pads prevent damage to pavement, concrete or sensitive surfaces. The high-flow auxiliary circuit supports additional powered attachments. The comfortable cab, intuitive controls, and large monitor keep operators focused and efficient. Proven Isuzu engine and load-sensing hydraulics deliver responsive performance.

Powerful and Reliable Isuzu Engine

Reduced Tail Swing

Backfill Blade

Quick-Coupler Plumbing to the End of the Stick

Dual Auxiliary Circuits

Features and Specifications

Technical Spec Sheet Family Brochure

*Based on theoretical calculation at max flow with no load. Subject to alterations.

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Boom Length	4,600 mm15' 1"
Stick (Arm) Length	––
Transport Length	8,178 mm26' 10"
Transport Width	2,590 mm8' 6"
Transport Height	2,820 mm9' 3"
Upper Structure Width	2,490 mm8' 2"
Cab Height	––
Blade Height	490 mm19"
Track Width (standard shoe)	600 mm24"
Track Gauge	1,990 mm6' 6"
Ground Clearance (minimum)	425 mm17"
Tail Swing Radius	1,500 mm4' 11"
Track Length on Ground	2,930 mm9' 7"
Track Length	3,665 mm12' 0"

Operating Weight	16,000 kg35,274 lb
Ground Pressure	41.0 kPa5.9 psi
Engine	ISUZU AR-4JJ1XASC
Displacement	3.0 L183.0 in³
Net Power	77.5 kW103.9 hp
Gross Power	78.5 kW105.0 HP
Hydraulics	Positive Flow Control with Pilot Control
Main Hydraulic Pump	Axial Piston – Variable Displacement
Operating Flow (maximum)	252.0 L/min66.6 gal/min
Operating Pressure (maximum)	34.3 MPa4975 psi
Auxiliary Flow*	––
Auxiliary Pressure	––
Travel Motor	Axial Piston with Park Brake
Travel Pressure (maximum)	34.3 MPa4975 psi
Travel Speeds (maximum)	3.1 / 5.3 km/hr1.9/ 3.3 mph
Travel Effort (maximum)	114.0 kN25,628 lbf
Grade Capability	35°
Swing Motor	Axial Piston with Swing Brake
Swing Pressure (maximum)	25.0 MPa3626 psi
Swing Speed (maximum)	12 RPM
Undercarriage (standard)	Steel Track
Track Shoe Width (standard)	600 mm24"
Track Rollers (per side)	7
Carrier Rollers (per side)	1

Boom Length	4,600 mm15' 1"
Stick (Arm) Length	2,500 mm8' 2"
Maximum Digging Height	9,218 mm30' 3"
Maximum Dumping Height	6,756 mm22' 2"
Maximum Digging Depth	5,468 mm17' 11"
Maximum Vertical Wall Digging Depth	3,796 mm12' 5"
Maximum Reach at Ground Level	8,338 mm27' 4"
Minimum Swing Radius	2,086 mm6' 10"

Boom Length	––
Stick Length	––
Bucket Breakout Force (ISO)	––
Stick Digging Force (ISO)	––