Mini-excavator SK34SR-7

crawlerdieselconstruction

Overview
Compact excavator equipped with a YANMAR 3TNV88 engine, compliant with EU Stage V exhaust emission regulations. Designed for confined-site work, urban construction and light civil engineering tasks.

Engine

• Model: YANMAR 3TNV88
• Type: Four-cycle, water-cooled, direct injection diesel
• Displacement: 1.642 L
• Emissions: EU Stage V compliant

Digging performance

• Bucket digging force (Standard): 32.2 kN
• Arm crowding force (Standard): 19.1 kN
• Arm crowding force (Long): 16.5 kN
• Standard arm length: 1.32 m

Hydraulic system

• Hydraulic layout: Two variable-displacement axial piston pumps + one gear pump + pilot pump
• Max. discharge flow: 2 × 38.4 L/min, 1 × 19.2 L/min, 1 × 10.8 L/min
• Relief valve setting: 23.0 MPa (boom, arm and bucket)
• Hydraulic oil: Tank level 20.4 L, total hydraulic system 44.8 L

Travel & undercarriage

• Travel motors: Two variable-displacement piston motors
• Travel shoes: 88 per side
• Swing speed: 8.2 min⁻¹
• Drawbar pulling force: 38.2 kN (Cab), 38.3 kN (Canopy) (SAE)
• Gradeability: 58% (30°)

Technical specifications (key)

• Engine: YANMAR 3TNV88, 1.642 L, EU Stage V
• Bucket force: 32.2 kN
• Arm length: 1.32 m
• Hydraulic flow: 2×38.4 / 19.2 / 10.8 L/min
• Hydraulic capacity: 44.8 L (system)
• Undercarriage: 88 shoes/side, swing 8.2 min⁻¹, gradeability 58%