midi excavator / crawler / Tier 2 / construction
8,180 kg, 8,200 kg (18,033.8 lb)
41.4 kW (56.29 hp)
Yanmars unique Σ boom : a breakthrough in the concept of the ultra tight turning machine.
The B7Sigma is for users who want to dig deeper and more efficiently. It is ideal for jobs in restricted urban sites and densely built-up areas. Some suggested usage areas include water, sewage and gas piping work and laying communications cables.
-Operating Weight: 8180/8200 kg
-Digging depth: 4450 mm
-Dumping height: 5540 mm
-Rear swing radius: 1139 mm
-Engine: 41.4 kw / 55.1 HP / 1900 rpm
-Digging force (arm/bucket): 40.6/56.9 kN
-Travelling speed: 2.7/4.8 km/h
-Transport dimensions (L/W/H): 5850 x 2270 x 2680 mm