Surface stationary/mobile and underground crawler-mounted configurations: review capacity, product size, picks, flight chains, shafts and direct-drive spares together.
McLanahan publishes Stationary/Mobile and Crawler-Mounted feeder-breaker configurations rather than one fixed model code system. This page retains ranges directly relevant to picks, liners, flight chains, shafts and drive spares. Before manufacture, check nameplate, serial and project numbers, general arrangement, drawings and used parts.
The catalogue separates surface stationary/mobile and underground crawler-mounted configurations. Capacity and product size are selection ranges, not evidence that chains, breaker rolls or drives interchange across projects.
| Current configuration family | Installation and conveying arrangement | Published key range | Spare-part checks |
|---|---|---|---|
| Stationary / Mobile كسارات التغذية | Fixed, skid-mounted, towable on unpowered crawlers or powered crawler-mounted; single or twin flight conveyors | Up to 6,000 tph (5,400 mtph); typical one-dimensional product size 150–300 mm | Receives trucks, loaders or dozers; check hopper capacity, chain pitch, trough width, breaker-roll height and drive configuration |
| Crawler-Mounted كسارات التغذية | Underground crawler-mounted unit advancing with the face and belt line | Up to 1,200 tph (1,080 mtph); typical one-dimensional product size 150–200 mm | Check seam height, receiving method, chains and flights, breaker roll, crawlers, remote controls, fire protection and dust suppression |
Parts within one configuration vary with feeding method, hopper capacity, trough width, single/twin conveyors, product size, drive and mobile chassis. The name “Feeder-Breaker” alone is not a manufacturing specification.
Separate wear parts by actual breaker-roll, deck, hopper-wall, flight and guide positions. المواد والعمليات support preliminary assessment; original drawings and acceptance requirements govern the final choice.
Breaker Bit / Pick
Replaceable picks on the horizontal breaker roll receive lump impact and compression. Check profile, shank, retaining-ring type, layout, rotation, original projection and roll position.
Material selection: Some published projects use joined carbide tips. Confirm body steel, carbide, brazing or hardfacing processes against original drawings and feed conditions.
View the common part page →Bit Block & Retention Parts
Blocks transfer pick loads to the breaker roll; retaining rings allow quick replacement. Check block angle, welds, bore, pick shank and retaining-ring groove together.
Material selection: Confirm block base material, welding, preheat and post-weld inspection against drawings. Check retaining-ring elasticity, dimensions and assembly requirements.
View the common part page →
Crushing-Zone Deck Liner
Flights drag material along the steel deck. The crushing-zone deck takes concentrated impact and sliding wear. The manufacturer's design uses replaceable wear plate plug-welded to the base plate.
Material selection: Select quenched and tempered wear plate for impact, thickness, bending stiffness, plug-weld holes and site replacement methods. Grade follows the drawing or technical agreement.
View the common part page →Hopper, Sidewall & Skirt Liner
Receiving hoppers, walls and skirts take truck or loader impact and extended sliding wear. Segmentation, thickness, countersunk holes, overlap direction and replacement order vary by project.
Material selection: High-impact receiving and extended sliding zones need separate solutions. Assess toughness, hardness, welding and support conditions for each.
View the common part page →Solid Alloy Steel Flight Bar
Flights connect the two engineering-class chains and drag material across the deck and breaking zone. Check trough width, flight section, chain spacing, connecting holes, direction and minimum clearance to the breaker roll.
Material selection: The manufacturer specifies solid alloy-steel flights. Confirm steel grade, heat treatment, surface strengthening and welding restrictions against drawings and loads.
View the common part page →Guide Rail, Wear Strip & Feed Protection
Chain guides, wear strips and receiving-area guards control chain travel and protect the frame. Check left/right position, section, holes, chain clearance and site replaceability.
Material selection: Guides must resist wear without abnormal binding. Confirm material and surface treatment together with chains, lubrication, dust and temperature.
View the common part page →Engineering chains, sprockets, head and tail shafts, breaker rolls, gear reducers and hydraulic drives require complete installation interfaces, left/right positions and project configurations.
Engineering-Class Roller Chain & Connector
The two side chains and solid flights form the conveyor assembly. Check chain pitch, plate thickness, pins and bushings, tensile rating, connecting links, left/right pairing and total link count.
Material selection: Confirm chain-plate, pin and bushing materials separately, including carburized or induction-hardened depth, core toughness and dimensional accuracy.
View the common part page →Head Shaft, Sprocket & Bearing Assembly
The manufacturer recommends stocking a head shaft/bearing assembly. Check shaft, sprocket tooth count, chain pitch, bearings, housings, seals and hydraulic or mechanical drive interfaces.
Material selection: Confirm shafts, sprockets and housings separately against torque, fatigue, tooth wear, fits and nondestructive testing.
View the common part page →Tail Shaft, Tail Wheel & Tension Interface
The manufacturer recommends a spare tail shaft assembly. Check shaft construction, tail wheels, bearings, seals, adjustment travel, chain alignment and receiving-end layout.
Material selection: Confirm shaft bodies, wheels, bushings and adjusters separately against drawings, fatigue, wear, fits and corrosion protection.
View the common part page →Breaker Roll Shaft Assembly & Adjustment Shims
Roll height is adjusted together through shims at bearing housings and motor/reducer bases. Check roll shaft, pick layout, bearing housings, shim sets, drive end and target product size.
Material selection: Confirm roll shafts, welded holder structures, bearing fits and shim stacks separately for loads, heat treatment, welding, nondestructive testing and combined thickness.
View the common part page →Right-Angle Reducer & Torque-Limiting Coupling
The breaker roll uses a shaft-mounted right-angle reducer and torque-limiting coupling. The conveyor head shaft may use the same mechanical arrangement. Distinguish breaking and conveying drive ratios, torques and interfaces.
Material selection: Check gears, shafts, connectors and housings separately for tooth heat treatment, accuracy, torque, rotation, lubrication and mounting direction.
View the common part page →Hydraulic Conveyor Drive, Housing & Seal
A shaft-mounted hydraulic motor and power unit may drive the conveyor head shaft. Identify hydraulic configurations, bearing housings and seals for the specific machine; do not mix them with mechanical-drive assemblies.
Material selection: Select hydraulic motors by nameplate, pressure and flow. Confirm housings, seals, hoses and connections against drawings, fluid, temperature and contamination levels.
View the common part page →McLanahan publishes Stationary/Mobile and Crawler-Mounted project configurations, not a fixed model table covering all installations. ANRANST publishes only traceable official configurations and core ranges.
No. Check serial and project numbers, trough width, chain pitch, tooth profile, breaker-roll position, head/tail shaft interfaces, drive configuration, drawings and used-part dimensions.
Available records and public manufacturer pages do not provide numbers that can be cross-checked against a specific installation, position and drawing. Add them only when manufacturer catalogues, assembly drawings or reliable equipment lists supply the evidence.
Provide installation type, full nameplate, serial and project numbers, trough width, chain pitch, flight and pick photographs, breaker-roll position, drawings, used-part dimensions, materials and feed conditions. We use these for identification, material assessment, manufacturing coordination, quality control and delivery.
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