As a global leader in industrial transmission, Mailun specializes in the R&D and manufacturing of high-performance wheel sets and core travel components. We possess deep technical expertise in stacker crane components, particularly DRS wheel block systems compatible with Demag standards.
By integrating cutting-edge casting processes with high-performance polyurethane materials—such as Vulkollan®, NDI, and PPDI—Mailun delivers exceptional load capacity and durability for demanding environments, including semiconductor cleanrooms, automotive assembly lines, and smart warehousing.
Through our one-stop strategic service model spanning from customized design and material optimization to final implementation—Mailun is dedicated to enhancing the operational efficiency of global smart factories. We leverage precision engineering and technical innovation to drive the future of modern logistics and industrial automation.
To ensure a perfect fit for your stacker crane, we have provided the detailed technical specifications for our high-performance wheel sets and DRS wheel block systems below.
Model | Dimension | Wheel diameter (mm) | Wheel width (mm) | Axle dimension (mm) | Load capacity (kgs) |
SC85 | 85 × 85 | 85 | 85 | 20 | 600 |
SC110 | 110 × 35 | 110 | 35 | 20 | 300 |
SC200 | 200 × 70 | 200 | 70 | 30 | 1100 |
SC250 | 250 × 100 | 250 | 100 | 40 | 2000 |
SC360 | 360 × 120 | 360 | 120 | 50 | 3500 |
SC400 | 400 × 150 | 400 | 150 | 60 | 4800 |
Wheel Spec
| Type D | A1 (mm) | A2 (mm) | A3 (mm) | A4 (mm) | A5 (mm) | D1 | D2 (mm) | D3 (mm) | D4 | D5 | Weight (kg) | Max.Load (kN) |
| KFDRS112 | 145 | 145 | 145 | - | 45 | 4xM12 | 10.5 | 18.5 | 4xM12 | 2xM12 | 10 | 27.5 |
| KFDRS125 | 175 | 175 | 170 | - | 55 | 4xM12 | 13 | 21 | 4xM12 | 2xM12 | 15 | 50 |
| KFDRS160 | 220 | 220 | 220 | - | 55 | 4xM16 | 17 | 30 | 4xM16 | 2xM12 | 26 | 70 |
| KFDRS200 | 275 | 275 | 275 | - | 65 | 4xM16 | 20 | 35 | 8xM16 | 2xM12 | 41 | 100 |
| KFDRS250 | 310 | 310 | 290 | 140 | 80 | 8xM16 | 34F8 | 40 | 2xM12 | - | 70 | 160 |
| KFDRS315 | 370 | 370 | 360 | 180 | 100 | 8xM16 | 40F8 | 50 | 2xM12 | 2xM20 | 130 | 220 |
| KFDRS400 | 450 | 450 | 440 | 210 | 120 | 8xM20 | 31H13 | 65 | 2xM12 | 2xM20 | 220 | 300 |
| KFDRS500 | 580 | 580 | 620 | 480 | 125 | 8xM20 | 31H13 | 70 | 2xM12 | 2xM20 | 380 | 400 |
DRS Wheel Block System Spec
We understand that every warehouse environment is unique. Beyond our standard high-performance range, we offer full engineering customization. Contact us!
With over 10 years of dedicated expertise in integrated R&D and precision manufacturing, Mailun delivers engineering excellence in every component.
Contact UsBeyond providing high-performance machinery, we ensure your operational success through a seamless support ecosystem, from day one to lifetime maintenance.
Continuous access to expert advice and troubleshooting solutions throughout your equipment's lifecycle.
Direct access to original, high-quality components to maintain the precision and longevity of your machines.
Round-the-clock technical hotline and swift support to resolve your emergencies without delay.
Scheduled inspections and preventative care to identify potential risks before they cause downtime.
Comprehensive technical coaching to help your team master equipment operation and daily maintenance.
Expert onsite setup and commissioning to ensure your equipment is production-ready from day one.