Medium excavator SK85MSR-7

crawlerdiesel

Product
Compact excavator SK85MSR-7 designed for versatile earthmoving and construction tasks. Operating weight range and Stage V engine ensure regulatory compliance and efficient performance.

Key specifications
Operating weight: 8,430–9,670 kg
Engine rated power: 53.7 kW / 2,100 min-1 (ISO 14396)

Engine
Model: YANMAR 4TNV98CT
Four-stroke, liquid-cooled, direct-injection turbocharged diesel compliant with EU Stage V. Fuel tank: 120 L. Displacement: 3.318 L. Rated power: 53.7 kW / 2,100 min-1 (ISO 14396).

Digging performance
Bucket digging force (standard): 60.3 kN
Arm crowding force (standard): 37.1 kN; (long): 33.7 kN
Arm lengths — short: 1.87 m; long: 2.13 m.

Hydraulic system
Two variable-displacement axial piston pumps plus pilot gear pump. Max discharge flow: 2 × 72.5 L/min, 1 × 19 L/min. Relief valve setting: 29.4 MPa. Hydraulic tank / system: 44 L / 84 L.

Travel & mobility
Travel motors: 2 × axial-piston, two-step motors. Travel speed: 5.0 / 2.7 km/h. Swing speed: 11.5 min-1. Drawbar pulling force: 77 kN (SAE). Gradeability: 58% (30°). Travel shoes: 39 each side.

Special attachments
2 PC Boom option available. With 2 PC Boom: operating weight 9,180 kg; bucket capacity 0.28 m3. Engine rated power remains 53.7 kW / 2,100 min-1 (ISO 14396).

Notes
Contains EU Stage V compliant turbocharged diesel engine and multiple arm/boom configurations for standard and long-reach operations, enabling adaptability to diverse jobsite requirements.

Technical specifications

• Operating weight: 8,430 – 9,670 kg
• Engine rated power: 53.7 kW / 2,100 min-1 (ISO 14396)
• Engine model: YANMAR 4TNV98CT
• Engine type: Four-stroke, liquid-cooled, direct injection diesel, turbocharged (EU Stage V)
• Fuel tank capacity: 120 L
• Displacement: 3.318 L
• Bucket digging force (Standard): 60.3 kN
• Arm crowding force (Standard): 37.1 kN
• Arm crowding force (Long): 33.7 kN
• Arm lengths — Short: 1.87 m; Long: 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
• Relief valve setting: 29.4 MPa (Boom, arm and bucket)
• Hydraulic tank / system: 44 L tank oil level, 84 L hydraulic system
• Travel motors: 2 × axial-piston, two-step motors
• Travel shoes: 39 each side
• Travel speed: 5.0 / 2.7 km/h
• Swing speed: 11.5 min-1
• Drawbar pulling force: 77 kN (SAE)
• Gradeability: 58% (30°)
• Special attachment: 2 PC Boom — operating weight 9,180 kg; bucket capacity 0.28 m3