Horse Power 48.4 HP
Weight 5565 kg

The Yanmar 4TNV-Turbo Direct Injection diesel engine is powerful yet energy efficient. The engine doesn’t get hot over hard work and is electronically controlled, enabling precise fuel injection. Equipped with isochronous control to maintain engine stability, the excavator is compatible with several attachments, and a quick coupler helps reduce the time needed to replace attachments. The SMARTASSIST system allows users to monitor operating conditions in real-time and conduct prompt maintenance.

ViO Series, Yanmar excavators’ latest innovation

The ViO Series are the latest models of Yanmar excavators developed and manufactured by Yanmar Construction Equipment Co., Ltd., Japan. Thanks to Yanmar’s expertise in engines and hydraulics, Yanmar excavators in the ViO Series have excellent performance, and are strong, and durable, gaining acceptance among users worldwide.



Model ViO55-6B
Specification Cabin (ROPS/FOPS)
Type Quick Coupler
Operating Weight Steel track kg. (lbs) 5,565(12,269)
Engine Type Vertical 4 cylinder, water-cooled, direct injection diesel engine
Rate ouput kw (hp)/rpm 33.4(48.4)/2,200
Performance Bucket capacity cu.m (cu.ft) 0.16 (5.65)
Bucket width in (mm.) 27.6(700)
Maximum digging force (bucket) kn (lbs) 33.2(7,464)
Travel speed High/Low km./ hr. 3.9/2.0
Swing Speed rpm 10
Boom swing angle. Left/ Right degree 68/68
Ground contact pressure kPa (PSI) 30.7(4.45)
Hydraulic system Hydraulic pump displacement liter/min (GPM) 45.8 (12.1)x2 (Variable displacement pump),37.0 (9.8)x1,10.8 (2.86)x1 (Gear pump)
System relief set pressure MPa (PSI) 24.5(3,553)x2,24.5(3,553)x1,3.9(566)
Fuel tank capacity liter 66


Model ViO55-6B
Specification Output Combine flow, double actions
MPa(PSI) 24.5(3,553)
liter/min (GPM) 2,200 rpm/min 45.1(11.9)
1,100 rpm/min 82.8(21.9)

Features ViO55-6B
SA-R Yanmar Machinery Management System
Cabin Canopy, air conditioner
Quick coupler
Track Steel
Pattern change valve ●(2-way)
Hydraulic cylinder guard Boom


Quick Coupler

A (Swing) B C D E G H J K L M S
Size 2370 (2110) 5580 6140 6290 2590 540 500 2560 3900 6060 4050 2540