Medium excavator SK520LC-11E

crawlerdiesel

Product family
Conventional models

Overview
Product specifications SK520LC-11E

Key figures
Operating weight: 52,900 – 57,200 kg
Engine rated power: 348 kW / 1,800 min-1 (ISO 14396: without fan)
Bucket capacity: 1.4 – 3.4 m3

Engine
Model: ISUZU 6WG1
Type: Four-cycle, water-cooled, direct injection diesel engine, turbocharged, EU Stage V exhaust emission regulation
Fuel tank: 720 L
Rated power output: 348 kW / 1,800 min-1 (ISO 14396: without fan)

Digging force
Bucket digging force (Short): 293 / 322* kN
Bucket digging force (Standard): 292 / 321* kN
Bucket digging force (Long): 288 / 317* kN
Arm crowding force (Short): 245 / 270* kN
Arm crowding force (Standard): 220 / 242* kN
Arm crowding force (Long): 200 / 219* kN
Short arm: 3.00 m
Standard arm: 3.45 m
Long arm: 4.04 m
Power boost engaged: UNIT = kN / * Power Boost engaged

Hydraulic system
Type: Two variable-displacement axial piston pumps + extra gear pump + pilot gear pump
Max. discharge flow: 2 × 370 L/min, 1 × 58.5 L/min, 1 × 27 L/min
Relief valve setting: 34.3 MPa (boom, arm and bucket)
Hydraulic oil tank: 370 L tank oil level, 803 L hydraulic system
Power Boost: 37.8 MPa

Travel / Swing / Traction
Travel motors: 2 × axial-piston, two-step motors
Travel shoes: 50 each side
Travel speed: 5.4 / 3.2 km/h
Swing speed: 7.5 min-1
Drawbar pulling force: 411 kN (SAE)
Gradeability: 70 % (35°)

Product documents
Available multilingual product brochures (English and other EU languages).

Technical specifications

• Model name: SK520LC-11E
• Operating weight: 52,900 – 57,200 kg
• Engine model: ISUZU 6WG1
• Engine rated power: 348 kW / 1,800 min-1 (ISO 14396: without fan)
• Bucket capacity: 1.4 – 3.4 m3
• Fuel tank capacity: 720 L
• Hydraulic oil tank: 370 L (803 L hydraulic system)
• Max. hydraulic discharge flow: 2 × 370 L/min, 1 × 58.5 L/min, 1 × 27 L/min
• Relief valve setting (boom/arm/bucket): 34.3 MPa
• Power boost pressure: 37.8 MPa
• Bucket digging forces (Short/Standard/Long): 293 / 292 / 288 kN (power boost values shown as second figure where applicable)
• Arm crowding forces (Short/Standard/Long): 245 / 220 / 200 kN (power boost values shown as second figure where applicable)
• Arm lengths (Short/Standard/Long): 3.00 m / 3.45 m / 4.04 m
• Travel speed: 5.4 / 3.2 km/h
• Swing speed: 7.5 min-1
• Drawbar pulling force: 411 kN (SAE)
• Gradeability: 70 % (35°)