Yanmar Vio 55

# Yanmar ViO55 Series - Specifications ### Core Parameters - **Model**: ViO55-5B - **Operating Weight**: 5230–5380 kg (11530–11861 lbs) (Rubber/Steel Track) - **Engine**: Yanmar 4TNV88-BXBV, 4-cylinder water-cooled diesel, 28.8 kW (38.7 HP) / 2400 rpm - **Max Digging Depth**: 4160 mm (13'8") - **Max Reach Along Ground**: 6200 mm (20'4") - **Max Digging Force (Bucket/Arm)**: 33.2 kN (7464 lbs) / 14.3 kN (3215 lbs) - **Travel Speed (High/Low)**: 4.4 / 2.3 km/h (2.7 / 1.4 mph) - **Swing Speed**: 10 rpm - **Boom Swing Angle (Left/Right)**: 70° / 70° - **Ground Contact Pressure**: 27.7–28.8 kPa (4.02–4.18 PSI) (Steel/Rubber Track) - **Hydraulic System**: VIPPS 3-pump system, combined flow 132.6 L/min (35 GPM), main relief pressure 24.5 MPa (3553 PSI) - **Fuel Tank Capacity**: 64 L (16.9 gal) - **Transport Dimensions (L×W×H)**: 5560 × 1990 × 2620 mm - **Track Shoe Width**: 400 mm (15.75 in) ## ViO55-6B ### Core Parameters - **Model**: ViO55-6B - **Operating Weight**: 5565 kg (12269 lbs) (Steel Track, Cabin) - **Engine**: Yanmar 4TNV84T-ZMBV, 4-cylinder water-cooled direct injection diesel, 33.4 kW (48.4 HP) / 2200 rpm - **Bucket Capacity**: 0.16 m³ (5.65 cu.ft) - **Max Digging Force (Bucket)**: 33.2 kN (7464 lbs) - **Travel Speed (High/Low)**: 3.9 / 2.0 km/h - **Swing Speed**: 10 rpm - **Boom Swing Angle (Left/Right)**: 68° / 68° - **Ground Contact Pressure**: 30.7 kPa (4.45 PSI) - **Hydraulic System**: Pump displacement 45.8×2 + 37.0 + 10.8 L/min (12.1×2 + 9.8 + 2.86 GPM), system relief pressure 24.5×2 + 3.9 MPa (3553×2 + 566 PSI) - **Fuel Tank Capacity**: 66 L - **Transport Dimensions (L×W×H)**: 5580 × 1990 × 2590 mm (approx) - **Track Shoe Width**: 400 mm (standard) ## ViO55-6A ### Core Parameters - **Model**: ViO55-6A - **Operating Weight**: 5410–5550 kg (11916–12247 lbs) (Steel Track Canopy/Rubber Track Cabin) - **Engine**: Turbocharged Yanmar diesel, 35.5 kW (47.6 HP) (Tier 4 Final) - **Max Digging Depth**: 4115 mm (13'6") - **Travel Speed**: Auto-shifting 2-speed (high/low, approximate 4.4/2.3 km/h) - **Key Features**: True zero tail swing, optional 4-way blade with floating function, easy maintenance