The SINOMACH 4LZ-6.0AC is a self-propelled, full-feed crawler combine harvester designed for grain harvesting. It is powered by a Changchai 4G33V16 four-cylinder, water-cooled turbocharged engine producing a rated 120 HP at 2,600 r/min. The machine has an operating speed range of 0 to 7.2 km/h, a feed capacity of 6 kg per second and a stated production efficiency of 0.45 to 0.85 hectares per hour.

The harvesting system features hydraulically operated cutter-bar lifting cylinders, a pin-tooth rethresher and a sieve-type concave grid. A 56 CC+95 HST and gearbox configuration supports machine operation, while the 1.6 m³ grain tank and 360-degree unloading system assist with grain handling in the field. Fuel tank capacity is 240 litres, with stated fuel consumption of no more than 32 kg per hectare.

The harvester measures 5,860 mm long, 2,620 mm wide and 3,040 mm high, with a total weight of 3,980 kg and 305 mm of ground clearance. Its crawler-type undercarriage uses reinforced rollers measuring 90 × 56 × 500 mm and 90 × 56 × 550 mm.