Medium excavator SK270SR(N)LC-7

crawlerdiesel

Product
SR Series SK270SR(N)LC-7 hydraulic excavator for digging and earthmoving operations.

Overview
Commercial model SK270SR(N)LC-7. Operating weight ranges by configuration: SK270SRLC-7: 25,700 kg–28,100 kg; SK270SRNLC-7: 25,600 kg–27,700 kg. Engine rated power 127 kW (ISO 14396). Bucket capacity range: 0.51–0.93 m3.

Engine
Model: YANMAR 4TN107FTT. Direct injection, water-cooled, 4-cycle diesel with turbocharger and intercooler, EU Stage V compliant. Fuel tank: 330 L. Displacement: 4.567 L. Rated power output: 127 kW / 2,000 min-1 (ISO 14396).

Digging force
Bucket digging force (standard): 143 / 157* kN. Arm crowding force (standard): 102 / 112* kN. Standard arm length: 2.94 m. Power boost figures apply when boost is engaged.

Hydraulic system
Type: axial piston pumps + extra gear pump + pilot gear pump. Max. discharge flow: 2 × 220 L/min, 1 × 40.6 L/min, 1 × 20 L/min. Relief valve setting: 34.3 MPa (boom, arm and bucket). Hydraulic oil: tank level 114 L, hydraulic system 230 L. Power Boost pressure: 37.8 MPa.

Travel / Drive
Travel motors: 2 × axial-piston, two-step motors. Travel shoes: 51 per side. Travel speed: 5.2 / 3.2 km/h. Swing speed: 10.2 min-1. Drawbar pulling force: 244 kN (SAE). Gradeability: 70% (35°).

Special attachments
2 PC Boom option — operating weight: 26,800 kg–28,800 kg. Engine rated power remains 127 kW / 2,000 min-1 (ISO 14396).

Technical specifications

• Model (commercial): SK270SR(N)LC-7
• Series: SR Series
• Operating weight (SK270SRLC-7): 25,700 kg–28,100 kg
• Operating weight (SK270SRNLC-7): 25,600 kg–27,700 kg
• Engine model: YANMAR 4TN107FTT
• Engine type: Direct injection, water-cooled, 4-cycle diesel with turbocharger and intercooler, EU Stage V compliant
• Fuel tank capacity: 330 L
• Displacement: 4.567 L
• Rated power output: 127 kW / 2,000 min-1 (ISO 14396)
• Bucket capacity: 0.51–0.93 m3
• Bucket digging force (Standard): 143 / 157*
• Arm crowding force (Standard): 102 / 112*
• Standard arm length: 2.94 m
• Hydraulic type: Axial piston pumps + extra gear pump + pilot gear pump
• Max. discharge flow: 2 × 220 L/min, 1 × 40.6 L/min, 1 × 20 L/min
• Relief valve setting: 34.3 MPa (Boom, arm and bucket)
• Hydraulic oil tank / system: 114 L tank oil level, 230 L hydraulic system
• Power Boost pressure: 37.8 MPa
• Travel motors: 2 × axial-piston, two-step motors
• Travel shoes: 51 each side
• Travel speed: 5.2 / 3.2 km/h
• Swing speed: 10.2 min-1
• Drawbar pulling force: 244 kN (SAE)
• Gradeability: 70% (35°)
• Special attachment (2 PC Boom) operating weight: 26,800 kg–28,800 kg