Model	coarse capacity	coarse grinding wheel size	grinding wheel speed	coarse wheel motor	machine size
JBS-500	660x126x16mm	φ150x100x90mm	3400 rpm	2HP	1150x750x1350mm
JBS-900	914x127x18mm	φ150x100x90mm	3400 rpm	2HP	1470x840x1500mm
JBS-1500	1500x157x20mm	φ150x100x90mm	3400 rpm	3HP	2550x910x1460mm