Heavy duty straight grinder has rugged construction to withstand tough use and has casting motor housing. The grinder has wheel size from 100 mm to 200 mm and is good for clearing, smoothing of casting, forgings and general high speed gringing and polishing. The grinder has wheel capacity ranging from 150 x 25 mm to 200 x 25 mm, length ranging from 540 to 610 mm. The heavy duty straight grinder has 90 psi operating pressure, weight ranging from 5.5 to 7.7 kg.