What Are the Main Causes of Injuries When Using Forklifts?

The leading causes of forklift injuries from OSHA severe injury data: struck-by, caught-between, tip-overs, and falls. What the numbers show and which controls actually address each cause.

What Are the Main Causes of Injuries When Using Forklifts?

Forklift injuries are not random events. In the severe injury reports OSHA has published for 2015-2025, forklift-involved events cluster into a small number of repeatable patterns: struck-by events, caught-between events, tip-overs, and falls. This site’s dataset records 5,154 forklift-involved severe injury reports over that period, and the same four causes account for the overwhelming majority of them. This post breaks down each cause, what the numbers say, and which control families actually address it. It sells none of these systems.

Struck-by events: the largest share

The most common pattern in the data is a person being hit by the truck itself, its mast, its forks, or its load. Pedestrians walking through aisles, operators stepping into the path of a moving truck, and workers standing near loading docks are the typical scenarios. Because the truck is heavy, the forces involved are severe, which is why struck-by events dominate the severe injury category rather than minor incidents.

The controls that map to this cause are the real-time detection families: camera-based pedestrian detection, proximity detection, and collision avoidance. Each family detects the person or the vehicle and warns the operator or intervenes before contact. The accident statistics guide on this site lays out the struck-by share of the dataset in detail.

Caught-between events: the second pattern

Caught-between events involve a worker being pinned between the forklift and a fixed object, between two vehicles, or between the mast and a load. These events are less frequent than struck-by incidents but are often serious because the compressive forces come from a machine that does not stop on its own.

The relevant controls are operational rather than purely electronic: load handling procedures, mast and carriage maintenance, and clear separation between the truck and loading equipment. The safety rules guide covers the procedural side of preventing caught-between injuries.

Tip-overs: the deadliest per event

Tip-overs are a leading cause of operator fatalities even though they account for a smaller share of reported injuries. A forklift tips over when the load exceeds the truck’s stability triangle, when the truck turns too fast with a raised load, or when it drives over an uneven surface. The operator is usually not wearing a seat belt in the fatal cases.

Speed control is the technology that maps to this cause: speed limiters and speed governors reduce the truck’s ability to reach the speeds at which tip-overs happen, and operator training covers load limits and turning behavior. The OSHA training obligation for operators, documented in the powered-industrial-truck standard guide, is the procedural foundation.

Falls and other causes

Falls from forklifts, falls from the load, and falls from elevated work platforms account for a smaller but persistent share of events. Operator behavior, such as standing on the forks or jumping from a moving truck, is a common factor. The fall-zone guide covers this cause specifically.

Less common but still present in the data are struck-by events involving overhead equipment, such as a mast hitting a sprinkler line or a beam, and events where a load falls from the forks onto a worker. These overlap with the struck-by category but deserve their own prevention notes, because the control is load handling rather than pedestrian detection.

What the split means for a safety program

A safety program that treats “forklift safety” as one problem will miss most of the risk. The data argues for a layered approach: detection systems for struck-by events, procedures and maintenance for caught-between events, speed control and training for tip-overs, and house rules for falls. No single product family addresses all four, and vendors who claim otherwise are overstating their case.

The choosing a forklift safety system guide walks through the decision in the order the data supports: understand your accident mix first, then match the control families to it. The system vendors guide lists who sells what, so the shortlist is informed before any sales call. Both guides follow the same principle as the numbers: the cause determines the control.

The order that makes sense is to score the operation first, then fit the controls the score points at. Run the Risk Scorer to see where your exposure sits, compare the control families on the systems index, and when you are ready for vendor numbers, send your scope through the quote form. The methodology page documents how the scorer derives its inputs, and your state’s injury series shows the local context.

Check your own site with the Forklift Safety Risk Scorer

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