Aerial work platforms, hydraulic or electric truck or carrier mounted

Aggregate spreaders

Asphalt plants, including travel-mix type

Automobile wrecker hoists

Backfillers, self-propelled

Backhoes

Ballast distributors (railway track equipment)

Batching plants, bituminous

Batching plants, for aggregate concrete and bulk cement

Blades for graders, scrapers, dozers, and snowplows

Breakers, paving

Buckets, excavating: e.g., clamshell, concrete, dragline, drag scraper,

Bulldozers, construction

Cab, construction machinery

Capstans, ship

Carriers, crane

Chip spreaders, self-propelled

Chippers, commercial: brush, limb, and log

Concrete buggies, powered

Concrete grouting equipment

Concrete gunning equipment

Concrete plants

Construction machinery, except mining

Cranes, construction

Cranes, except industrial plant

Crushers, mineral: portable

Derricks, except oil and gas field

Distributors (construction machinery)

Ditchers, ladder: vertical boom or wheel

Dozers, tractor mounted: material moving

Draglines, powered

Drags, road (construction and road maintenance equipment)

Dredging machinery

Excavators: e.g., cable, clamshell, crane, derrick, dragline, power

Extractors, piling

Finishers and spreaders, construction

Finishers, concrete and bituminous: powered

Grader attachments, elevating

Graders, road (construction machinery)

Grapples: rock, wood, etc.

Grinders, stone: portable

Hammer mills (rock and ore crushing machines), portable

Hammers, pile driving

Line markers, self-propelled

Locomotive cranes

Log splitters

Logging equipment

Mixers: e.g., concrete, ore, sand, slag, plaster, mortar, bituminous

Mortar mixers

Mud jacks

Pavers

Pile driving equipment

Planers, bituminous

Plaster mixers

Plows, construction: excavating and grading

Post hole diggers, powered

Power cranes, draglines, and shovels

Pulverizers, stone: portable

Railway track equipment: e.g., rail layers, ballast distributors

Rakes, land clearing: mechanical

Road construction and maintenance machinery

Rock crushing machinery, portable

Rollers, road

Rollers, sheepsfoot and vibratory

Sand mixers

Scarifiers, road

Scrapers, construction

Screeds and screeding machines

Screeners, portable

Ship cranes and derricks

Ship winches

Shovel loaders

Shovels, power

Silos, cement (batch plant)

Slag mixers

Snowplow attachments

Soil compactors: vibratory

Spreaders and finishers, construction

Subgraders, construction equipment

Subsoiler attachments, tractor-mounts

Surfacers, concrete grinding

Tampers, powered

Tamping equipment, rail

Teeth, bucket and scarifier

Tractors, construction

Tractors, crawler

Tractors, tracklaying

Trenching machines

Trucks, off-highway

Vibrators for concrete construction

Wellpoint systems

Winches, all types

Work platforms, elevated