Construction & Earthmoving

146 products, each exploded into a recursive bill of materials. Open one and keep clicking down to the bolts.

Adjustable Steel Props Telescoping vertical support columns with pin or collar adjustment, rated 30–100 kN, used to support formwork, slabs, and temporary structures. 7 parts · 6 subsystems

Aluminum Scaffold Tower Lightweight prefabricated framework with interlocking frame sections, platforms with safety hatches, stabilizers, and castors for rapid assembly and repositioning. 21 parts · 7 subsystems

Anti-Icing Brine Sprayer A truck carrying brine (concentrated salt solution) that sprays it on pavement before snow falls to prevent bonding and ease removal. 77 parts · 7 subsystems

Articulated Dump Truck A six-wheel articulated truck with an oscillating joint connecting the tractor and dump body for high-payload off-road hauling. 128 parts · 8 subsystems

Articulating Boom Lift A self-propelled aerial work platform with an articulating, telescoping boom on a rotating turntable. 189 parts · 10 subsystems

Asphalt Batch Plant Batch-process asphalt plant that loads weighed aggregate, dries in a drum, screens hot material, then mixes with bitumen in a pugmill. 160 parts · 9 subsystems

Asphalt Distributor Truck A truck with a heated asphalt tank, spray bar, and burner that distributes tack coat and base binder on road surfaces. 113 parts · 8 subsystems

Asphalt Drum Mix Plant Continuous asphalt mixing plant that dries aggregate and blends it with hot bitumen in a rotating drum. 204 parts · 8 subsystems

Asphalt Paver A self-propelled tracked paver that receives, conveys and spreads hot-mix asphalt, then strikes it off with a heated, vibrating screed. 402 parts · 7 subsystems

Asphalt Tack Sprayer Truck-mounted heated tank for atomizing asphalt emulsion onto pavement, with spray bar, variable flow control, and burner maintaining emulsion at 160–200°F. 33 parts · 7 subsystems

Auger Drill Rig Continuous-flight auger rig that twists a large helical screw into soft formations, lifting cuttings up the auger to the surface. 59 parts · 8 subsystems

Brick Making Machine Integrated clay-forming machine with pug mill, piston press, and cutter producing stacked green bricks at 6,000–15,000 units per shift. 50 parts · 7 subsystems

Bridge Inspection Unit Truck-mounted articulating platform with counterweights enabling safe visual and instrumented inspection of bridge undersides, joints, and cables. 39 parts · 7 subsystems

Bulldozer A tracked crawler dozer: diesel engine, powershift transmission to dual final drives, steel undercarriage, a hydraulic blade work tool, a rear ripper, and an enclosed ROPS cab. 412 parts · 10 subsystems

Cable Tool Drill Rig Percussion drilling rig that lifts and drops a weighted bit assembly on a wire rope to crush and shatter rock, with a bailer to remove cuttings and water. 71 parts · 8 subsystems

Caliper Inspection Pig Unmanned pipeline robot equipped with spring-loaded radial arms and capacitive sensors, traveling inside pressurized pipe to measure internal wall thickness, dents, and ovality. 64 parts · 8 subsystems

Catch Basin Cleaner Truck-mounted vacuum system with articulated boom for sucking sediment, debris, and water from storm drain catch basins; equipped with water tank, debris hopper, and dump hoist. 32 parts · 7 subsystems

Chip Spreader A truck with a receiving hopper and adjustable spread hopper that distributes aggregate chips evenly on a tack-coated road surface. 108 parts · 8 subsystems

Chip Spreader Box Towed or truck-mounted spreader box for uniform distribution of stone chips on asphalt or tack coat, with metering gates, conveyor belt, and adjustable spread roller. 30 parts · 6 subsystems

Climbing Formwork Self-advancing formwork system using hydraulic jacks to climb vertically during facade or core wall construction, carried on climbing shoes bolted to embedded anchorages. 31 parts · 8 subsystems

Cold Milling Machine (Road Planer) A self-propelled tracked planer that grinds away worn asphalt or concrete with a carbide-tipped drum and loads the millings onto a discharge conveyor. 824 parts · 9 subsystems

Column Formwork Modular panelized system with adjustable clamps and ties for casting vertical concrete columns up to 12 m tall with repeatable geometry. 23 parts · 7 subsystems

Compact Track Loader A rubber-tracked skid-steer machine with loader arms, driven entirely by a hydrostatic system. 192 parts · 9 subsystems

Concrete Batch Plant Stationary plant that proportions aggregates, cement, and water, then mixes them into ready-mix concrete. 76 parts · 9 subsystems

Concrete Batching Plant A stationary plant that proportions aggregate, cement, water and admixtures by weight and mixes them into ready-mix concrete on demand. 869 parts · 9 subsystems

Concrete Block Machine A stationary vibro-compaction machine that molds zero-slump concrete into blocks and pavers on production pallets, combining mold vibration with hydraulic top pressure in cycles of 15–25 seconds. 118 parts · 7 subsystems

Concrete Crusher Attachment A grapple-mounted jaw and rebar-cutter attachment crushing structural concrete and shearing embedded reinforcing steel through fixed and moving jaw action. 78 parts · 6 subsystems

Concrete Pump Truck A truck-mounted boom concrete pump: a heavy diesel chassis carrying a twin-cylinder hydraulic concrete pump that feeds a folding placing boom, pumping ready-mix concrete to height through a delivery pipeline. 282 parts · 6 subsystems

Concrete Vibrator An electric immersion (poker) concrete vibrator that consolidates freshly poured concrete by driving a high-speed eccentric in a steel head through a flexible shaft. 53 parts · 8 subsystems

Cone Crusher Secondary crusher using a rotating mantle cone inside a fixed concave to produce cubic aggregate. 100 parts · 9 subsystems

Construction Debris Chute Vertical sectional chute system for gravity-fed disposal of concrete, waste, and demolition debris from height to ground-level collection. 17 parts · 7 subsystems

Continuous Miner Tracked underground mining machine that continuously cuts coal or mineral seams with a rotating drum using a gathering head to load fragmented material. 46 parts · 7 subsystems

Core Drilling Rig Rotary drilling rig designed for diamond or tungsten carbide core drilling, recovering solid rock samples from depths up to 1000+ meters. 29 parts · 8 subsystems

Crack Sealing Machine A trailer-mounted heating and dispensing machine injecting hot sealant into road cracks. 62 parts · 8 subsystems

Crack/Joint Sealing Machine Towed or truck-mounted heated kettle applying hot-melt sealant into pavement cracks and joints, with agitator, pump, and handheld wand for precise placement. 40 parts · 8 subsystems

Crawler Crane A lattice-boom crawler crane: crawler undercarriage, slewing upperworks, lattice boom, and three hoist winches for heavy lifting. 894 parts · 15 subsystems

Curb & Gutter Machine A self-propelled slipform paver that extrudes concrete into curbs and gutters with stringline laser control and edge sensors. 52 parts · 8 subsystems

Curb & Gutter Paver Self-propelled machine extruding concrete curb and gutter in continuous shape, using auger feed, vibration, and stringline guidance for straight edges and consistent profile. 31 parts · 7 subsystems

Demolition Charge System A precision detonation system combining shaped and linear explosive charges with a sequencing blasting machine and wiring harness, enabling controlled implosion of buildings and structures. 1,117 parts · 7 subsystems

Demolition Robot A remotely operated tracked vehicle with a hydraulic articulated arm and interchangeable tool coupler enabling selective interior demolition in confined spaces. 77 parts · 7 subsystems

Demolition Robot A compact, remote-controlled, usually electric tracked machine with a three-part arm that swings breakers, crushers and grapples in spaces too dangerous or tight for manned excavators. 108 parts · 8 subsystems

Demolition Shear An excavator-mounted cutting tool with opposing hardened steel blades that shear structural steel members, reinforced concrete columns, and composite beams up to 600 mm diameter. 101 parts · 7 subsystems

Diaphragm Wall Grab Hydraulic clamshell grab for excavating diaphragm walls in deep foundation work, mounted on a crane or piling rig. 49 parts · 7 subsystems

Drilling Mud Pump Triplex or centrifugal pump driven by diesel engine that circulates drilling mud down the drill string and back up the borehole at pressures up to 3000 psi. 49 parts · 8 subsystems

Dump Truck A tandem-axle on-road dump truck with a hydraulic steel dump body. 331 parts · 14 subsystems

Dust Suppression Cannon A towed or mounted spray cannon directing a mist or jet of water over demolition and construction sites to suppress airborne dust across a 50–100 metre radius. 116 parts · 8 subsystems

Dust Suppression Cannon Trailer-mounted rotary fan cannon atomizing water droplets across 50–100 m radius for mine dust control and construction site stabilization. 66 parts · 7 subsystems

E-Waste Collection Truck Specialized collection vehicle with shelved/caged body, secure storage, and liftgate for safely transporting high-value or hazardous electronic waste (WEEE) without damage or theft. 114 parts · 8 subsystems

Field Pipe Coating Machine Portable spray or applicator system applying fusion-bonded epoxy (FBE) or polyethylene (PE) powder coating to steel pipe OD in the field, followed by UV curing or thermal annealing. 27 parts · 8 subsystems

Food Waste Collection Truck Specialized sealed collection vehicle for organic/food waste with hygienic tank body, leachate management, and washdown capability to prevent odour and contamination. 95 parts · 8 subsystems

Front Loader Refuse Truck Containerized waste collection truck with hydraulic fork-lift arms that hoist and tip open-top dumpsters above the truck body for gravity discharge and compaction. 131 parts · 8 subsystems

Geothermal Loop Drilling Rig Hydraulic drilling rig that bores vertical boreholes for geothermal heat exchanger loops, installing closed-loop plastic piping in earth. 62 parts · 8 subsystems

Grapple Truck Heavy waste collection vehicle featuring a knuckleboom hydraulic crane with rotating clamshell grapple for handling bulky or irregular construction debris. 146 parts · 8 subsystems

Grizzly Feeder Vibrating hopper with integral grizzly bars that meters and screens oversize material from feed. 92 parts · 8 subsystems

Ground Freezing Plant Refrigeration system that circulates brine or liquid nitrogen through ground freeze pipes to stabilize soil for excavation support. 34 parts · 6 subsystems

Grout Pump A piston or screw pump metering and pressurizing flowable grout from a mixer tank through delivery hoses. 53 parts · 8 subsystems

Guardrail Post Driver Hydraulic pile-driving attachment for excavators or trucks, using a pneumatic or electro-hydraulic hammer to drive W-beam or thrie-beam guardrail posts 2–4 feet deep into roadway shoulders. 25 parts · 7 subsystems

HDD Rig Tracked or wheeled drilling rig that bores beneath obstacles (roads, rivers, utilities) by rotating a drill pipe string with replaceable teeth, circulating mud slurry to remove cuttings and support the bore wall. 35 parts · 8 subsystems

High-Reach Demolition Excavator A tracked excavator with a multi-section articulated boom and hydraulic demolition tooling that dismantles buildings from a distance exceeding 30 metres. 170 parts · 8 subsystems

Hydraulic Breaker An excavator-mounted percussion hammer using a piston driven by alternating hydraulic pressure to strike a hardened chisel point 800–2000 blows per minute into rock or concrete. 63 parts · 7 subsystems

Hydraulic Breaker Attachment An excavator-mounted percussion hammer in which carrier hydraulics drive a reciprocating piston that strikes a tool steel 300–1,200 times per minute to break rock and concrete. 54 parts · 8 subsystems

Hydraulic Pipe Bender Portable hydraulic bending press that curves steel and aluminum pipe to precise angles using replaceable dies, a hydraulic ram, and a mandrel to prevent wall collapse. 49 parts · 8 subsystems

Hydroseeder Truck-mounted tank spraying seed, fertilizer, and tackifier slurry for erosion control and vegetative slope stabilization. 37 parts · 7 subsystems

Hydrostatic Test Pump High-pressure positive displacement pump (500–5,000 psi) pressurizing pipelines or pressure vessels with water for hydrostatic strength testing before service operation. 30 parts · 8 subsystems

Impact Crusher Secondary crusher that reduces stone via high-velocity rotor bars striking material against stationary aprons. 99 parts · 8 subsystems

Internal Welding Machine Automated orbital pipe welding head that fuses butt-joint pipe seams from inside the bore using a rotating consumable electrode and copper backing ring. 36 parts · 8 subsystems

Ladder Hoist Motorized platform lift on vertical fixed rails, transporting workers and materials between floors via a continuous loop cable and motorized carriage. 30 parts · 8 subsystems

Laser Screed Self-propelled concrete finishing machine with telescoping boom screed head, laser guidance, and ride-on controls for slabs and pavements. 33 parts · 7 subsystems

Litter Vacuum Truck Street cleaning vehicle with suction blower, articulating boom/wand hose, and debris hopper employing high-velocity air stream to dislodge and collect litter from gutters, pavements, and roadside vegetation. 101 parts · 8 subsystems

Marking Removal Truck Truck-mounted system using high-pressure water jets or grinding heads to remove road markings, with vacuum recovery and containment of waste water and abrasive dust. 34 parts · 8 subsystems

Medical Waste Truck Refrigerated collection vehicle for hazardous biomedical waste with sealed stainless tank, cart-lift mechanism, real-time tracking, and temperature control preventing contamination and pathogen spread. 107 parts · 8 subsystems

Microtunneling Machine Small-diameter tunnel boring machine with precision laser guidance and slurry system that remotely excavates utility tunnels under streets and buildings. 35 parts · 6 subsystems

Mini Excavator A compact crawler excavator under ~6 t on rubber tracks, with a boom-arm-bucket front and a slewing upperstructure for digging in tight sites. 218 parts · 10 subsystems

Mobile Cement Silo Bulk cement storage and metering unit mounted on chassis, equipped with screw conveyor and weighing system for jobsite batching. 39 parts · 7 subsystems

Mortar Mixer Planetary paddle-drum mixer producing 500–3000 L mortar batches, powered by engine or electric drive, mounted on wheeled frame. 40 parts · 6 subsystems

Motor Grader A six-wheel articulated motor grader: front/rear frame joined by an articulation hitch, a diesel engine driving a powershift transmission into a tandem drive axle, and a circle-mounted moldboard slung from the drawbar with lift/side-shift/angle cylinders. Hydraulics, an enclosed cab with dual steering controls, and GPS grade control round it out. 224 parts · 10 subsystems

Motor Scraper A self-propelled earthmover that cuts, carries and spreads soil with an open bowl between its axles. 170 parts · 9 subsystems

Perimeter Safety Net Nylon or polyester mesh net system suspended from support structures, catching falling objects and workers at building edges. 19 parts · 6 subsystems

Pig Launcher/Receiver Pressure-rated barrel assembly that launches or receives intelligent pipeline inspection gauges (pigs) via quick-opening closure, with check valves and vent lines for safe insertion and extraction. 33 parts · 8 subsystems

Pile Driving Rig A crawler-mounted rig that hoists piles up a tall leader and drives them into the ground with a hydraulic hammer or vibratory driver to form deep foundations. 530 parts · 9 subsystems

Pipe Facing Machine Portable pipe mill that squares and bevels the cut end of pipe using a rotating cutter head, producing clean perpendicular faces and ISO 5817 chamfers for welding assembly. 34 parts · 8 subsystems

Pipe Jacking Machine Horizontal directional boring machine that propels steel or concrete pipe through soil, cut by a rotating shield head, while jacking frames advance the pipe string. 38 parts · 7 subsystems

Pipelayer A crawler tractor fitted with a side boom and counterweight to lift and lower pipe into a trench. 131 parts · 8 subsystems

Pipelayer Sideboom Wheeled or tracked tractor mounted with a lateral boom and winch, lifting and positioning large-diameter pipe sections (6–48 inch OD) into trenches during pipeline assembly and welding. 42 parts · 8 subsystems

Pipeline Holiday Detector High-voltage spark testing device detecting coating defects (holidays) on buried pipelines, passing a brush electrode over the surface to locate pinholes and damaged areas. 27 parts · 8 subsystems

Plate Compactor A walk-behind vibratory plate compactor for soil, gravel, and asphalt compaction. 47 parts · 10 subsystems

Pothole Patcher Truck-mounted combination unit distributing bituminous emulsion, aggregate, and heat for rapid pavement patching on roads. 32 parts · 7 subsystems

Primary Jaw Crusher Heavy-duty stone crusher that reduces large rock via repeated compression between a fixed and moving jaw plate. 112 parts · 9 subsystems

Pugmill Mixer Twin-shaft mixer with counter-rotating paddles blending granular materials (soil, aggregate, bitumen-bound asphalt). 1,102 parts · 9 subsystems

Pulverizer Attachment A jaw-type excavator attachment with hardened fixed and moving jaws lined with teeth that crush, crumble and grind concrete rubble and masonry into finer aggregate. 118 parts · 7 subsystems

Radial Stacking Conveyor Rotating conveyor boom that distributes material into multiple stockpiles from a single discharge point. 164 parts · 8 subsystems

Raise Boring Machine Vertical rotary drilling rig that bores from lower level upward through pilot hole then reaming for mining ventilation or service raises. 39 parts · 7 subsystems

Rear Loader Refuse Truck Manual or semi-automated waste collection truck with rear-mounted hopper and packer blade that lifts and compacts bins dumped backward into the body. 106 parts · 8 subsystems

Rebar Bending Machine A motorized machine bending rebar around a rotating pin die using a hinged lever arm actuated by foot pedal. 49 parts · 8 subsystems

Recycling Collection Truck Specialized refuse truck with compartmented body and independent lift systems enabling simultaneous collection of multiple material streams (paper, plastic, glass, metal). 160 parts · 8 subsystems

Ride-On Concrete Saw Self-propelled walk-behind or ride-on machine cutting control joints in concrete with diamond blade, powered by gasoline engine with variable depth control and water delivery system. 39 parts · 8 subsystems

Ride-On Power Trowel A twin-rotor ride-on machine that floats and finishes fresh concrete slabs to a smooth, dense surface. 107 parts · 12 subsystems

Road Marking Machine Truck-mounted paint or thermoplastic applicator with spray guns/extrusion dies, glass bead dispenser, and control system for road line marking. 29 parts · 7 subsystems

Road Roller A vibratory single-drum soil compactor for road and earthwork compaction. 169 parts · 9 subsystems

Road Weather Station A remote environmental monitoring station that measures pavement temperature, air temperature, humidity, wind, and precipitation to guide road treatment decisions. 31 parts · 8 subsystems

Roadheader A tracked mining machine with a rotating cutting boom armed with tungsten-carbide picks, loading the broken rock onto conveyors. 81 parts · 8 subsystems

Roadside Spray Truck Truck-mounted system for herbicide and pesticide application on roadsides using GPS-guided boom, variable rate control, and pressurized spray nozzles. 32 parts · 7 subsystems

Roll-Off Truck Open-frame hook-lift truck with hydraulic hoist for loading and unloading shipping containers or dumpsters via cable reel and rear-axle rollers. 100 parts · 8 subsystems

Rotary Drilling Rig A crawler-mounted foundation rig that bores large-diameter shafts with a rotary head and kelly bar. 197 parts · 11 subsystems

Rotary Snowplow A large truck carrying a two-stage rotary head (auger and impeller) that removes heavy snow and ice, throwing it 30+ meters to the roadside. 128 parts · 8 subsystems

Rotary Water Well Rig Truck-mounted drilling rig that uses a rotating drill string and mud circulation to bore water wells through overburden and into aquifer formations. 218 parts · 8 subsystems

Rough Terrain Crane A single-engine off-road mobile crane on four large drive tires with a telescoping boom, outriggers and a load-moment limiter for lifting on unimproved sites. 558 parts · 10 subsystems

Rubble Conveyor A portable inclined or horizontal belt or articulated-bucket conveyor system rapidly moving crushed concrete, masonry, and mixed rubble from demolition work zones into bins or trucks. 128 parts · 7 subsystems

Runway Sweeper Blower An airport ground-support vehicle with a rotating broom cassette and high-velocity blower that sweeps and clears snow, water, and debris from runways and taxiways. 88 parts · 7 subsystems

Scissor Lift A self-propelled electric scissor lift for elevated work platforms. 466 parts · 12 subsystems

Screening Plant Mobile or stationary plant using vibrating screen decks to classify run-of-mine aggregate into market-grade products. 57 parts · 7 subsystems

Self-Erecting Tower Crane A trailer-transportable tower crane whose folded tower and jib unfold hydraulically into working position in under an hour, serving low-rise sites from a ballasted base under radio remote control. 85 parts · 8 subsystems

Shotcrete Spraying Robot Articulated robotic arm mounted on tracked chassis that sprays wet or dry shotcrete onto tunnel walls with precise dosing and coverage. 40 parts · 6 subsystems

Side Loader Refuse Truck Automated sanitation truck with hydraulic-powered side-mounted grabber arm for curbside bin collection and hopper-based compaction. 132 parts · 8 subsystems

Sidewalk Tractor A compact articulated walk-behind or ride-on tractor with PTO shaft and multiple quick-attach implements for snow removal and pavement cleaning. 65 parts · 8 subsystems

Skid-Steer Loader A compact, rigid-frame loader that steers by braking the wheels on one side, driving a front loader arm. 184 parts · 9 subsystems

Slab Formwork System Horizontal formwork for concrete floor slabs using adjustable props, drophead systems, and panel grids to support 300–500 mm slabs until concrete self-supports. 18 parts · 7 subsystems

Slipform Concrete Paver A crawler-mounted machine that extrudes a continuous concrete slab through a moving mold, consolidating low-slump concrete with internal vibrators while steering along a stringline or 3D model. 157 parts · 8 subsystems

Slurry Seal Machine Truck-mounted machine mixing aggregate, emulsion, and water in a pugmill, then spreading the slurry on pavement in uniform thickness with squeegee. 40 parts · 8 subsystems

Slurry Tunnel Boring Machine Large-diameter tunnel boring machine that uses pressurized slurry to stabilize the excavation face and separate soil from the spoil removal system. 57 parts · 8 subsystems

Snow Groomer (Piste Machine) A tracked machine that grooms ski slopes by compacting and shaping snow with a rotating tiller and drag blade, leaving a smooth prepared surface. 41 parts · 8 subsystems

Snow Melting Machine A trailer-mounted melter that accepts loose snow via a conveyor, heats it with burner tubes in a melting tank, and discharges water to storm drains or treatment. 74 parts · 7 subsystems

Soil Stabilizer / Reclaimer A self-propelled machine that mills in-place soil or pavement and mixes it with binder to build a stabilized base. 166 parts · 11 subsystems

Sonic Drill Rig High-frequency vibrating drilling rig that uses sonic resonance (1000–2000 Hz) to liquefy formation material, drilling fast through cohesive soils and soft rock. 46 parts · 7 subsystems

Submersible Well Pump Electric-driven multistage centrifugal pump submerged in the well that lifts groundwater to the surface at flows up to 300 GPM and heads to 300 meters. 50 parts · 8 subsystems

System Scaffolding Modular steel framework using standardized vertical/horizontal sections with rosette connectors, ledgers, and adjustable base jacks for temporary load-bearing platforms on buildings. 22 parts · 7 subsystems

Tamping Rammer A hand-guided soil compactor in which a small engine drives a spring-loaded percussion system, making the whole machine jump and slam a flat shoe into the ground around 700 times per minute. 42 parts · 7 subsystems

Tow Plow Trailer A steerable single-axle trailer plow that is towed behind a pickup truck, using hydraulic cylinders and push-from-the-rear geometry for secondary road clearing. 52 parts · 7 subsystems

Tower Crane A hammerhead (saddle-jib) tower crane that self-erects by climbing, lifting loads over a construction site. 433 parts · 11 subsystems

Tracked Crawler Carrier A compact diesel-powered tracked vehicle with a hydraulic dump bed for transporting materials on soft and steep terrain. 91 parts · 8 subsystems

Trench Shield Box Welded steel shoring system with knife-edge cutting edges and spreader struts, lowered into utility trenches to prevent soil collapse during excavation. 16 parts · 7 subsystems

Trencher A ride-on chain trencher: a tracked machine that cuts narrow trenches with a digging boom and clears spoil with a cross auger. 223 parts · 8 subsystems

Truck Snowplow A truck-mounted front blade that scrapes snow and ice from road surfaces, with hydraulic angling and automatic trip-spring protection for buried obstacles. 38 parts · 7 subsystems

Truck-Mounted Salt Spreader A truck-bed mounted hopper that stores and meter-feeds road salt onto the pavement via an auger conveyor and spinning disc spreading mechanism, metered by ground speed. 45 parts · 8 subsystems

Tunnel Boring Machine A full-face rotary excavator that grinds through soil and rock with a rotating cutterhead, supports the bore with a shield, and erects a precast concrete lining as it advances. 2,653 parts · 10 subsystems

Tunnel Muck Conveyor Heavy-duty belt conveyor with extensible storage cassette that transports excavated rock and soil from TBM to surface hopper. 43 parts · 7 subsystems

Tunnel Segment Erector Robotic articulated arm with vacuum or mechanical grippers that lifts precast concrete segments and positions them in the tunnel lining. 35 parts · 6 subsystems

Tunnel Ventilation Fan Large-capacity axial or centrifugal fan mounted inside tunnel with silencers and jet-fan mounts that circulates air for dust control and safety. 33 parts · 7 subsystems

Vibratory Pile Hammer A hydraulically powered eccentric-gearbox vibrator that drives piles and sheet piling into the ground. 56 parts · 8 subsystems

Vibratory Soil Roller A single-drum articulated compactor that combines static weight with drum vibration to compact soil. 155 parts · 10 subsystems

Vibratory Truss Screed A spanning truss screed that vibrates and strikes off fresh concrete to grade between set forms. 128 parts · 9 subsystems

Walk-Behind Concrete Saw A self-propelled walk-behind saw that cuts control joints in concrete and asphalt with a diamond blade. 103 parts · 11 subsystems

Well Development Pump Portable air compressor and surge pump system that develops a newly drilled water well by alternately pushing and pulling water and sand to increase aquifer permeability and production yield. 30 parts · 7 subsystems

Well Screen Perforated or wire-wrapped pipe inserted in the aquifer formation that allows water to enter the well while excluding sand and formation fines. 11 parts · 6 subsystems

Wheel Loader An articulated wheel loader: a four-wheel earthmover with a center hinge and a front bucket linkage. 269 parts · 13 subsystems

Wrecking Ball Crane A lattice-boom mobile or crawling crane fitted with a wrecking ball suspended from a drum-and-cable hoist, swinging the massive weight into structures for demolition. 134 parts · 7 subsystems