The Yanmar ViO55-6A is a compact mini excavator designed for construction, utility, landscaping, and site preparation work. It features Yanmar's zero tail swing design, which helps improve maneuverability in confined spaces and near obstacles. The ViO55-6A is typically used for digging, trenching, grading, and material handling on jobsites where a full-size excavator is not practical. Its compact footprint supports transportability and access to restricted work areas. As part of Yanmar's ViO series, the ViO55-6A is built for versatility, operator visibility, and efficient performance in urban, residential, and light commercial applications.
General Specifications
Yanmar ViO55-6A Mini Excavator General Specifications specifications
Digging Depth ft (m)
13.5 (4.12) — Starting 2025 Model Year
Engine hp (kW)
47.6 (35.5) — Starting 2025 Model Year
Max Reach @ ground level ft. (m)
20.17 (6.15) — Starting 2025 Model Year
Operating Weight lbs (kg)
12,247 (5,555) — Starting 2025 Model Year
Blades
Yanmar ViO55-6A Mini Excavator Blades specifications
Blade Height
15.80 in (40.13 cm)
Blade Width
6.50 ft (1.98 m)
Boom/Stick Excavator Option 1
Yanmar ViO55-6A Mini Excavator Boom/Stick Excavator Option 1 specifications
Boom Swing - Left
68 degrees
Boom Swing - Right
68 degrees
Max Digging Depth
13.60 ft (4.15 m)
Max Reach Along Ground
20.63 ft (6.29 m)
Bucket
Yanmar ViO55-6A Mini Excavator Bucket specifications
Arm digging Force
5,058.00 lbs (2,294.27 kg)
Bucket digging Force - SAE
7,464.00 lbs (3,385.62 kg)
Dimensions
Yanmar ViO55-6A Mini Excavator Dimensions specifications
Ground Clearance
1.20 ft (0.37 m)
Height - Top of Cab
8.40 ft (2.56 m)
Overall height
19.90 ft (6.07 m)
Tail Swing Radius
3.30 ft (1.01 m)
Wheelbase
8.50 ft (2.59 m)
Width to Outside of Tracks
6.60 ft (2.01 m)
Engine
Yanmar ViO55-6A Mini Excavator Engine specifications
Aspiration
Water-cooled 4-cycle diesel
Engine Model
YANMAR 4TNV86CT-PBV
Net Power
47.60 hp (35.50 kw)
Power Measured @
2400 rpm
Operating Specifications
Yanmar ViO55-6A Mini Excavator Operating Specifications specifications
Fuel Capacity
17.40 gal (65.86 l)
Hydraulic Pump Flow Capacity
36.50 gpm (138.15 lpm)
Hydraulic System Relief Valve Pressure
11205 psi
Operating Weight
11,850.00 lbs (5,375.08 kg)
Swing Mechanism
Yanmar ViO55-6A Mini Excavator Swing Mechanism specifications
Swing Speed
10 rpm
Undercarriage
Yanmar ViO55-6A Mini Excavator Undercarriage specifications
Max Travel Speed
2.60 mph (4.18 kph)
Min Travel Speed
1.40 mph (2.25 kph)
Weights
Yanmar ViO55-6A Mini Excavator Weights specifications
Ground bearing pressure (rubber tracks)
4.3 psi
Ground bearing pressure (steel tracks)
4.4 psi
Rubber Tracks
11,850.00 lbs (5,375.08 kg)
Steel tracks
11,916.00 lbs (5,405.01 kg)
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