Medium excavator SK75SR-7

crawlerdiesel

Product overview
The SK75SR-7 is a short-radius compact excavator from the SR Series designed for construction, urban works and confined-site operations. It offers an operating weight range of 7,800–8,950 kg with a 0.35 m³ bucket and a 53.7 kW diesel engine.

Series and typical applications
SR Series short-radius configuration for reduced tail swing, suitable for utility work, landscaping, road maintenance and building site excavation in restricted spaces.

Key specifications (summary)
Operating weight: 7,800–8,950 kg
Engine rated power: 53.7 kW @ 2,100 min-1 (ISO14396)
Bucket capacity: 0.35 m³

Engine
Model: Yanmar 4TNV98CT
Type: Four-cycle, water-cooled, direct injection diesel, turbocharged, compliant with EU Stage V (where applicable)
Fuel tank capacity: 120 L
Displacement: 3.318 L

Digging performance
Bucket digging force (Standard): 60.2 kN
Arm crowding force (Standard): 39.4 kN
Arm crowding force (Long): 35.2 kN
Standard arm length: 1.71 m
Long arm length: 2.13 m

Hydraulic system
Type: Two variable-displacement axial piston pumps + pilot gear pump
Max. discharge flow: 2 × 72.5 L/min + 1 × 19 L/min
Relief valve setting: 29.4 MPa (boom, arm, bucket)
Hydraulic tank / system: 44 L tank oil level, 84 L hydraulic system

Travel / Drive
Travel motors: 2 × axial-piston, two-step motors
Travel shoes: 39 per side
Travel speed: 5.0 / 2.7 km/h
Swing speed: 11.5 min-1
Drawbar pulling force: 77.3 kN (SAE)
Gradeability: 58% (30°)

Multimedia
Concept and walkaround videos are available on the product page (embedded videos).

Technical specifications

• Operating weight: 7,800–8,950 kg
• Engine model: Yanmar 4TNV98CT
• Engine rated power: 53.7 kW @ 2,100 min-1 (ISO14396)
• Displacement: 3.318 L
• Fuel tank capacity: 120 L
• Bucket capacity: 0.35 m³
• Bucket digging force (Std): 60.2 kN
• Arm crowding force (Std / Long): 39.4 kN / 35.2 kN
• Standard arm / Long arm: 1.71 m / 2.13 m
• Hydraulic system: Two variable displacement axial piston pumps + pilot gear pump
• Hydraulic max. discharge flow: 2 × 72.5 L/min + 1 × 19 L/min
• Hydraulic relief valve setting: 29.4 MPa
• Hydraulic tank / system: 44 L tank oil level, 84 L hydraulic system
• Travel motors: 2 × axial-piston, two-step
• Travel shoes: 39 per side
• Travel speed: 5.0 / 2.7 km/h
• Swing speed: 11.5 min-1
• Drawbar pulling force: 77.3 kN (SAE)
• Gradeability: 58% (30°)