Einfahrregal
Also: Drive-in-Regal, Einfahrregalsystem, Mehrfachtiefes Regal, Drive-in Racking, Einfahrregale, Drive-in-Regale
AI-generated
A drive-in racking system is a racking system in which forklifts drive directly into the racking structure to store or retrieve pallets in multi-deep storage channels. It offers very high storage density but operates predominantly on the LIFO principle.
Key facts
- Drive-in racks enable very high space utilization because no dedicated aisles are required between racking blocks.
- The system operates on LIFO as standard, making it unsuitable for products with strict best-before dates without additional organizational measures.
- Collision damage caused by forklift operation inside the racking is a central safety and maintenance issue that requires regular inspections.
- Drive-in racks are particularly cost-effective when few SKUs are stored in large quantities – with a heterogeneous assortment, channel utilization drops significantly.
What is a drive-in rack?
In a drive-in rack – also known as a drive-in racking system – forklifts physically drive into the racking block to place pallets onto horizontal support rails. Unlike conventional pallet racking, there is no separate aisle between the rows of racks. Instead, the racks themselves form the travel path. Pallets are stacked channel by channel from back to front, so that a single channel entrance serves multiple storage positions in succession. Depending on the configuration, channel depth ranges from two to approximately ten pallet positions.
Operating principle and LIFO logic
The drive-in rack operates on the LIFO principle (Last In, First Out): the most recently stored pallet is retrieved first. This follows inevitably from the design, since the forklift can only enter the channel from one side. A variant, the drive-through rack, has openings on both sides and thus allows near-FIFO operation – however, this design is structurally more complex and requires a larger footprint.
In practice, drive-in racking is best suited to warehouses with few product variants (SKUs) but high quantities per variant. Typical applications include beverage warehouses, cold stores, seasonal storage, or buffer storage of homogeneous finished goods. When many different items need to be stored in a confined space, the system reaches its limits, as channels can then only be partially utilized or different SKUs cannot be mixed.
Key considerations for selection and operation
Several factors must be taken into account when planning a drive-in racking system:
- Assortment homogeneity: The fewer SKUs and the greater the quantity per SKU, the better the channel utilization can be optimized.
- Best-before date requirements: Products with strict best-before dates require FIFO and are unsuitable for LIFO systems unless compensating organizational measures are implemented.
- Forklift specification: Not every forklift is designed for driving into narrow racking blocks. A slim profile, sufficient lift height, and precise control are prerequisites. Collision damage to the racking structure is one of the most common causes of damage.
- Impact protection and safety: Rack feet, longitudinal beams, and entry areas must be protected by appropriate guard profiles, posts, or guide plates. Regular safety inspections in accordance with applicable standards are mandatory.
- Maintenance and inspection: Bent or damaged support rails are harder to detect during ongoing operations than with open pallet racking. Clear inspection intervals and documented damage assessments must be embedded in operational procedures.
Whether a drive-in rack is preferable to alternative high-density systems such as block storage, flow racking, or automated shuttle solutions depends on the investment budget, throughput requirements, and assortment structure. Comparing several concepts based on concrete warehouse data is strongly recommended.
Related terms
- ABC-Analyse
ABC analysis is a method for classifying items, vendors, or processes into three priority classes (A, B, C) based on their economic significance. It forms the basis for differentiated decision-making in warehousing, inventory management, and procurement.
- AKL
An Automated Small Parts Warehouse (AKL) is a fully mechanized storage system for bins, trays, or cartons that automates the goods-to-person process using aisle-captive storage and retrieval machines or shuttles.
- Automatisches Kleinteilelager (AKL)
The Automated Small Parts Warehouse (AKL) is a fully automated storage system for totes, trays and small parts, in which storage and retrieval operations are performed without manual intervention by stacker cranes or shuttle systems.
- Blocklager
A block storage system is a storage method in which load units — typically pallets — are stacked directly on the floor in rows and blocks without any racking structure.
- Bodenlagerung
Floor storage refers to the storage of goods directly on the floor, without the use of racking systems. Pallets, stacks, or marked floor positions serve as the basic structure for area organization.
- Chaotische Lagerhaltung
Chaotic storage is a warehousing principle in which items are not stored in fixed, pre-assigned locations, but are instead dynamically placed in any available, suitable slot in the warehouse. A warehouse management system handles the control and tracking of all storage locations.
- Charge
A batch is a uniquely identifiable quantity of products manufactured or processed under identical conditions. It forms the basis for traceability, quality control, and legally required recall processes throughout the entire supply chain.
- Chargenrückverfolgung
Batch traceability refers to the complete and uninterrupted trackability of products and materials along the supply chain based on their batch assignment. It enables companies to quickly identify and selectively block all affected quantities in the event of a quality issue or recall.