Mini-excavator SK28SR-7

crawlerdiesel

Overview

• Model: SK28SR-7 mini excavator
• Bucket capacity: 0.08 m³
• Engine rated power: 18.9 kW / 2,400 min-1 (ISO14396)
• EU emission: Stage V compliant
• Compact radius design for operation in confined spaces

Product specifications SK28SR-7
Engine
Model: YANMAR 3TNV88
Type: Four-cycle, water-cooled, direct injection diesel engine, complies with EU Stage V exhaust emission regulation
Fuel tank: 42.0 L
Displacement: 1.642 L
Rated power output: 18.9 kW / 2,400 min-1 (ISO14396)

Digging force
Bucket digging force (Standard): 24.7 kN
Arm crowding force (Standard): 16.6 kN
Arm crowding force (Long): 14.2 kN
Standard arm length: 1.18 m
Long arm length: 1.48 m

Hydraulic system
Type: Two variable displacement axial piston pumps + one gear pump + pilot pump
Max. discharge flow: 2x 28.8 L/min, 1x 16.1 L/min, 1x 10.8 L/min
Relief valve setting: 23.0 MPa (boom, arm and bucket)
Hydraulic oil tank: 20.4 L tank oil level, 44.8 L hydraulic system

Travel force
Travel motors: Two variable displacement piston motors
Travel speed: 3.8 / 2.1 km/h
Swing speed: 8.2 min-1
Drawbar pulling force: 34.7 kN (Cab) / 34.8 kN (Canopy)
Gradeability: 58% (30°)

Technical specifications

• Model name: SK28SR-7
• Bucket capacity: 0.08 m³
• Engine model: YANMAR 3TNV88
• Engine type: Four-cycle, water-cooled, direct injection diesel (EU Stage V)
• Fuel tank capacity: 42.0 L
• Engine displacement: 1.642 L
• Rated power output: 18.9 kW / 2,400 min-1 (ISO14396)
• Bucket digging force (Standard): 24.7 kN
• Arm crowding force (Standard): 16.6 kN
• Arm crowding force (Long): 14.2 kN
• Standard arm length: 1.18 m
• Long arm length: 1.48 m
• Hydraulic pumps: Two variable displacement axial piston pumps + one gear pump + pilot pump
• Max. discharge flow: 2x 28.8, 1x 16.1, 1x 10.8 L/min
• Relief valve setting: 23.0 MPa
• Hydraulic oil tank / system: 20.4 L / 44.8 L
• Travel motors: Two variable displacement piston motors
• Travel speed: 3.8 / 2.1 km/h
• Swing speed: 8.2 min-1
• Drawbar pulling force: 34.7 kN (Cab) / 34.8 kN (Canopy)
• Gradeability: 58% (30°)