Medium excavator SK520LC-11E

crawlerdiesel

Product

• SK520LC-11E Mass Excavation
• Conventional models

Overview

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

Engine
Model: ISUZU 6WG1
Type: Four-cycle, water-cooled, direct injection diesel engine, turbo charged, 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 (Standard): 304/334* kN
Arm crowding force (Standard): 269/296* kN
Standard arm: 2.60 m
* Power boost engaged values indicated

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 Force & Mobility
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: 409 kN (SAE)
Gradeability: 70 % (35°)

Technical specifications

• Operating weight: 52,900 – 57,200 kg
• Engine rated power: 348 kW / 1,800 min-1 (ISO 14396: without fan)
• Bucket capacity: 3.4 m3
• Engine model: ISUZU 6WG1
• Engine type: Four-cycle, water-cooled, direct injection diesel engine, turbo charged, EU Stage V
• Fuel tank capacity: 720 L
• Bucket digging force (Standard): 304/334* kN
• Arm crowding force (Standard): 269/296* kN
• Standard arm length: 2.60 m
• Power boost: 37.8 MPa (Power boost engaged values indicated)
• Hydraulic system type: Two variable displacement axial piston pumps + extra gear pump + pilot gear pump
• Max. hydraulic discharge flow: 2 × 370 L/min, 1 × 58.5 L/min, 1 × 27 L/min
• Relief valve setting (boom, arm and bucket): 34.3 MPa
• Hydraulic oil tank / system: 370 L tank oil level, 803 L hydraulic system
• 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: 409 kN (SAE)
• Gradeability: 70 % (35°)