Warehouse and terminal drivers encounter far more than the counterweight truck: reach trucks, stackers, pallet trucks, picking trucks, narrow aisle trucks and four-way trucks each have their own geometry, stability and load diagram. Here is a comprehensive overview with characteristics, typical use, certification category and type-specific risks.
Introduction
The trade often treats the counterbalance truck as the standard, but it is only one of many types. Each type is born from a specific task — narrow aisles, high racking, long items, picking — and therefore has its own stability, its own center of gravity and its own load diagram. Knowing the types is both a safety and a selection question.
Classification: ISO 5053-1
The terminology and classification of industrial trucks and their masts are established in ISO 5053-1. It provides the common names the trade uses — and forms the basis for how the safety requirements in the DS/EN ISO 3691 series are divided by truck type (e.g. -1 for self-propelled, -3 for elevated operator position/order pickers, -5 for pedestrian operator).
The most important types
| Type | Characteristic | Typical use | Certificate |
|---|---|---|---|
| Counterbalance forklift | Counterweight at rear balances load at front; runs without support legs under load. | Versatile — indoor and outdoor, reading, stacking. | B |
| Reachtruck | Mast can be driven forward beyond the support legs; high lift height in narrow aisles. | High storage with narrow aisles indoors. | B |
| Stackers (walking / with platform) | Mast with support legs under the load; walking or with standing platform. | Easy stacking, smaller stores. | A (stabiliser legs under the load — also with a standing platform) |
| Pallet truck / pallet lifter | Lifts only a few cm — no mast lift; moves pallets horizontally. | Transport on the floor, loading. | Typically no cert. (see 1-metre rule) |
| Picking truck (order picker) | Driver is raised with the load to pick at height. | Manual picking in shelves. | A or B — decided by stabiliser legs under the load |
| Narrow aisle truck (turret) | Very high mast, rotating carriage assembly, runs on guide rail/wire. | Very narrow aisles, high storage. | B + special training |
| Four-way truck | Can run both lengthwise and crosswise. | Long items (pipes, sheets) in narrow corridors. | B |
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