Yanmar ViO12-2A Mini Excavator - Nullheck
Yammer ViO12-2A Zero-Tail-Swing Mini Excavator – Compact All-Purpose Excavator with Extendable Undercarriage
The Yammer ViO12-2A is a 1.2-metric-ton class zero-tail-swing mini excavator designed specifically for work on tight and confined construction sites. With its extendable undercarriage, which can be expanded from 830 mm to 1,000 mm, the ViO12-2A offers an optimal balance between compactness and stability. This zero-tail-swing mini excavator is offered by GSK Baumaschinen and stands out for its low fuel consumption, high performance, and particularly maintenance-friendly design. The one-piece cast undercarriage with longer tracks (1,440 mm) ensures additional robustness and stability—an important feature for working on slopes and uneven ground.
Technical Specifications of the Yammer ViO12-2A
The ViO12-2A features the following technical specifications:
- Manufacturer / Model: Yammer ViO12-2A
- Machine class: Zero-tail-swing mini excavator
- Net weight: 1,245 kg (operating weight) / 1,170 kg (transport weight)
- Powertrain / Engine: Diesel (3TNV70-WBVB)
- Engine power: 9.2 kW / 12.5 PS at 2,000 rpm (net power)
- Maximum torque: 48.1 – 52 Nm at 1,500 rpm
- Digging depth: 1,950 mm (with dozer blade raised) / 2,050 mm (with dozer blade lowered)
- Bucket digging force: 13.63 kN
- Digging force (arm): 5.68 kN
- Maximum digging reach: 3,350 m
- Maximum dumping height: 2,370 mm
- Travel speed: 2.1 – 4 km/h (with two-speed shift lever as standard)
- Rotation speed: 10 rpm
- Overall width: 830 mm (retracted) / 1,000 mm (extended)
- Overall length: 3,040 mm
- Overall height: 2,250 mm
- Track width: 180 mm
- Track length on the ground: 1,440 mm
- Hydraulic tank: 7.4 l
- Diesel tank: 12 l
- Max. hydraulic pressure: 210 bar
- Hydraulic flow rate: 2 x 11 l/min (dual variable-displacement pump)
- Sound pressure level: 88 dBA
What types of work is the Yammer ViO12-2A used for?
The ViO12-2A mini excavator is a versatile machine designed for specialized applications on tight construction sites and challenging terrain:
- Indoor excavation work: With a width of just 830 mm (retracted), the ViO12-2A fits through narrow doorways and hallways for basement excavation and piping work inside buildings.
- Infrastructure and pipeline construction: With a digging depth of up to 2,050 mm and precise digging forces, it enables safe pipeline work without the risk of damage.
- Road and civil engineering: Perfect for urban construction sites with limited space; the zero-rear swing radius minimizes the risk of collisions.
- Landscaping and Green Space Work: The compact design allows for use on private property, in parks, and at recreational facilities without causing damage.
- Demolition and selective demolition: Thanks to its high stability and precise control, the ViO12-2A is suitable for targeted dismantling work in confined spaces.
- Drilling and foundation work: With optional quick couplers, the machine can be equipped for specialized excavation and pile driving tasks.
Which companies might be interested in the Yammer ViO12-2A?
The compact ViO12-2A mini excavator is designed for the following target groups:
- Construction companies and excavation contractors: Companies that regularly work on urban and densely built-up construction sites benefit from the flexibility of the extendable undercarriage and the machine’s high maneuverability.
- Rental companies (equipment rental firms): The ViO12-2A is a sought-after rental excavator due to its low downtime rate, high resale value, and robust construction.
- Trades businesses and specialized civil engineering firms: Small to medium-sized businesses that regularly perform precise excavation work in challenging environments.
- Municipal services and public utilities: For pipeline work, sewer, and water management projects in downtown areas.
- Gardening and landscaping companies: Businesses that perform patio, garden design, and green space work on private property.
- Specialized firms in historic preservation and restoration: For demolition-ready gutting and excavation work that complies with historic preservation standards on historic properties.
Advantages of the Yammer ViO12-2A
- Extendable undercarriage (zero-tail swing): Extendable from 830 mm to 1,000 mm—increases front stability and lifting capacity without side sway during 360-degree rotations; simultaneously provides maximum maneuverability in indoor spaces.
- Extremely compact: The zero-tail-swing excavator has an overhang of just 85 mm when fully extended and a front swing radius of 1,080 mm—ideal for tight construction sites and inner-city projects.
- Robust cast-frame construction: The undercarriage, manufactured from a single cast piece, offers greater stability, a longer service life, and better resale value compared to welded frames.
- Longer tracks and greater digging depth: With a track length of 1,440 mm and a digging depth of up to 2,050 mm, the ViO12-2A significantly outperforms competing models in the same class.
- Powerful hydraulics: Dual variable-displacement pumps (2 x 11 l/min) featuring axial piston pump technology instead of gear pumps—enabling greater force and trouble-free operation.
- Extremely easy to maintain: All maintenance points are quickly accessible (large engine hood, accessible hydraulic manifold, modular hydraulic hoses). Fewer plastic parts increase durability and resale value.
- Low noise level: With a sound pressure level of 88 dBA, the three-cylinder diesel engine runs pleasantly quietly—important for inner-city work and residential construction projects.
- Fuel-efficient diesel consumption: The 3TNV70-WBVB engine (0.854 l displacement) delivers high power (9.2 kW / 12.5 PS) with low fuel consumption and without overheating in tropical climates.
- Ergonomic operation: Precision joysticks on both sides of the operator’s seat and easily accessible controls enhance operator comfort and work precision.
- Flexible speed as standard: The two-speed selector switch allows
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