Forklift Adapters

Forklift Adapters: What They Do and When They Make Sense

A forklift adapter is a passive attachment that slides over the forks and locks against the carriage bulkhead, converting the forks into a rated pick point or into a coupler for other equipment. Nothing hydraulic is involved, so there is no plumbing, no auxiliary valve and no added electrical load. That is why an adapter is usually the cheapest way to extend what a lift truck already on site can do. The trade-off is that the entire load passes through the forks and the carriage, so rated capacity, load center and the condition of the forks matter more than they do on a routine pallet pick.

Fork-Mounted Adapters in This Category

Three of the four products here are Kenco fork-mounted adapters. They share the same mounting method — slide over the forks, secure to the bulkhead, safety chains included — and differ in rated capacity and in how the load attaches.

The low entryway FLA8KU19 exists for one specific problem: getting a pick point onto a load that sits low or under an obstruction. Its two 3 in. shackle holes suit two-leg rigging, while the FLA12K and FLA20K use a single integrated eye for straight vertical picks. The FLA20K is listed for work such as lifting barrier walls and pipe. Shipping dimensions are 34 x 24 x 24 in. for the FLA8KU19 and 32 x 24 x 11 in. for the FLA12K and FLA20K, and all three are heavy enough to arrive by freight rather than parcel.

How to Choose a Fork Lifting Attachment: Capacity, Load Center, Clearance

Work from the lower of two numbers. One is the adapter's rated capacity — 8,000, 12,000 or 20,000 lb here. The other is what your truck can actually lift with the adapter mounted, which is not the number stamped on the data plate for a bare-fork pallet pick. The adapter itself weighs roughly 200 to 230 lb depending on model, and it carries that weight out in front of the carriage, so the effective load center moves outboard and net capacity drops. OSHA 1910.178(o)(2) states that only loads within the rated capacity of the truck shall be handled, and rated capacity is tied to a stated load center — the FLA12K's eye, for example, sits at a 24 in. load center.

Check fit before you check price. The adapter has to fit over your fork blades and seat against the bulkhead. Measure blade width, thickness and length, and confirm the carriage is clear enough to take the safety chains.

Budget your headroom. Rigging hangs below the eye and above the load, and every inch of sling and shackle is an inch of lift height you no longer have. Low door openings, sprinkler heads and trailer roofs are where this bites. Slings and shackles are bought separately; OSHA 1910.184 and ASME B30.9 both cover slings and are worth reading before you rig off an adapter eye.

Tractor to Skid Steer Quick Attach Adapters

The Loflin Fabrication tractor to skid steer quick attach adapter solves a different problem than the Kenco units: coupling, not lifting. It is an American-made heavy-duty steel plate that is compatible with the universal skid steer quick attach pattern on the front face, so buckets, grapples and snow attachments built for that pattern will mount. The back face is offered blank for custom fabrication or as a pre-drilled plate, and it ships with pins and latches.

Two things decide whether this is the right buy. First, the plate does not add capacity — the carrier machine's lift and breakout ratings still govern, and a plate can easily let you mount an attachment your tractor cannot safely handle. Second, if you take the blank-back version, the weld or bolt-up is structural and belongs with a qualified fabricator, not a shop hand with a wire feeder.

Capacity Plates, Approval and Operator Training

Attachments are a compliance item, not just a purchase. OSHA 1910.178(a)(4) states that modifications and additions which affect capacity and safe operation shall not be performed without the manufacturer's prior written approval, and that capacity, operation and maintenance instruction plates, tags or decals shall be changed accordingly. OSHA 1910.178(a)(5) goes further: when a truck carries front-end attachments other than factory installed attachments, the user shall request that the truck be marked to identify the attachments and show the approximate combined weight of truck and attachment at maximum elevation with the load laterally centered.

Beyond the plate, OSHA 1910.178(l) requires operator training and evaluation for powered industrial trucks, and OSHA 1910.178(m)(2) prohibits anyone from standing or passing under the elevated portion of a truck, loaded or empty — which matters most when a suspended load is involved. ANSI/ITSDF B56.1 is the consensus safety standard for low lift and high lift powered industrial trucks and sits behind most of this practice.

Inspection and Upkeep

OSHA 1910.178(q)(7) requires that trucks be examined before being placed in service and at least daily, or after each shift where trucks run around the clock. Fold the adapter into that walkaround: look at the welds around the lifting eye and shackle holes, check the safety chains and their hardware for stretch or damaged links, and look for any bend or crack in the steel tubing. Forks deserve their own attention, since the adapter loads them differently than a pallet does; ANSI/ITSDF B56.1 addresses periodic fork inspection and the wear and damage limits at which forks come out of service. Do not repair, re-weld or modify a rated adapter without the manufacturer's approval — a field repair on a lifting eye is a load path you cannot see into.