Sale! S840-2 Ride on Concrete Laser screed machine $39,500.00 Original price was: $39,500.00.$10.00Current price is: $10.00. Four-wheel seated laser leveling machine (S-840-2 laser screed) has the following advantages: 1. Briggs Stratton engine:capable of high-intensity work, more durable, better performance. 2. Hydraulic motor and hydraulic vibrating High performance, high efficiency and high working pressure to meet the high requirements of application. Hydraulic vibrating is more powerful than electrical vibrating Add to cart