Model | YN27J(YN27A) | YN30A | |
Weight | Kg | 26-27.5 | 28 |
L*W*H | Mm | 746*315*229 | --- |
Diameter of engine piston | Mm | 58 | 58 |
Stroke of engine piston | Mm | 70 | 70 |
Rotating speed of engine with load | Rpm | 2,450 | 2,700-3,000 |
Drilling speed | Mm/Min | 250 | 200 |
Oil consumption | L/M | 0.12 | 0.13 |
Max. Drilling depth | M | 6 | 6 |
End of tool shank(Hex*L) | Mm | 22*108 | 22*108 |
Front end of breakeer(Hex*L) | Mm | 22*108/25*108 | 25*108 |