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Height of a Forklift: A Complete Guide to Overall Lowered Height

Published time：

2026-06-29

Author：

Xin Hong Guang

Source：

Xin Hong Guang

Abstract

The height of a forklift is not a single number. It varies significantly by type, model, mast configuration, and whether the mast is lowered or raised.Overall Lowered Height (OALH)The most critical measurement for facility clearance is the overall lowered height (OALH). This is the height from the floor to the top of the mast or overhead guard when the forks are fully lowered. It determines whether the forklift can pass through doorways, enter trailers, and operate under low ceilings.General Guidelines by Forklift Type:Forklift Type Typical Lowered Height (OALH) NotesStandard Warehouse Forklift 85–90 inches (7.0–7.5 ft) Most common counterbalance modelsNarrow Aisle Forklift 6–7 feet Reach trucks typically measure 2,100–2,200 mm (approx. 6.9–7.2 ft)Rough Terrain Forklift 8–10 feet (higher ground clearance) Large tires increase overall heightHeavy-Duty/Port Forklift Can exceed 10 feet Massive machines with large tires and heavy counterweightsExample Models:Model Type Lowered Height (OALH

The height of a forklift is not a single number. It varies significantly by type, model, mast configuration, and whether the mast is lowered or raised.


Overall Lowered Height (OALH)

The most critical measurement for facility clearance is the overall lowered height (OALH). This is the height from the floor to the top of the mast or overhead guard when the forks are fully lowered. It determines whether the forklift can pass through doorways, enter trailers, and operate under low ceilings.


General Guidelines by Forklift Type:


Forklift Type Typical Lowered Height (OALH) Notes

Standard Warehouse Forklift 85–90 inches (7.0–7.5 ft) Most common counterbalance models

Narrow Aisle Forklift 6–7 feet Reach trucks typically measure 2,100–2,200 mm (approx. 6.9–7.2 ft)

Rough Terrain Forklift 8–10 feet (higher ground clearance) Large tires increase overall height

Heavy-Duty/Port Forklift Can exceed 10 feet Massive machines with large tires and heavy counterweights

Example Models:


Model Type Lowered Height (OALH)

Manitou MI-X 20 D Rough Terrain 2.115 m (approx. 6.9 ft)

UN Forklift FD25J-DFJE1 Rough Terrain 2.36 m (approx. 7.7 ft)

UN Forklift FD25T-DNJE1 Rough Terrain 2.26 m (approx. 7.4 ft)

Toyota BT Reflex Reach Truck Narrow Aisle 2,100–2,200 mm (approx. 6.9–7.2 ft)

Raised Height: Maximum Fork Height

When the mast is fully extended, the forklift's raised height can be significantly greater. Some reach trucks can lift pallets up to 13 meters (42.6 feet). However, this extended height is only relevant when stacking at maximum height; it does not affect travel clearance.


Clearance Requirement: When calculating overhead clearance, operators must ensure that the maximum lift height plus the load does not contact overhead sprinklers, lights, or beams.


How Mast Configuration Affects Height

The mast design directly impacts both lowered and raised height:


Two-Stage Mast: Lower collapsed height, moderate lift height. Suitable for standard warehouses with limited overhead clearance.


Three-Stage Mast: Higher lift capacity but taller collapsed height. Allows for greater stacking height while maintaining a relatively low transport position.


The bottom line: The height of a forklift ranges from approximately 6 feet for narrow-aisle reach trucks to over 10 feet for heavy-duty rough terrain models. The critical measurement is overall lowered height (OALH)—the height from floor to top of mast when forks are fully lowered. Always verify OALH against your facility's doorways, ceilings, and trailer heights before purchasing or operating any forklift.

Keywords：
height of forklift
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