4 sets of 55# linear guides, 4 rollers and stabilizers. 86 stepper motor, rack drive, line, star reducer, specified seal plus internal and external double seals.
Aluminum alloy profile frame and high-strength steel profile frame, slide-out distance 80--100CM (31.5 inches--40 inches), maximum load-bearing capacity 900--1500 kg (2000--3000 pounds).