Custom Plow Body Manufacturer

Custom Plow Body Components: OEM Manufacturing FAQs

Can SIMIS manufacture custom plow body components from our drawings?

Yes. SIMIS supports drawing-based OEM manufacturing of metal plow body components, including selected frogs, mounting brackets, shares, points, moldboard-related parts, landsides and structural supports. Depending on the design, manufacturing may involve iron or steel casting, steel forging, plate cutting and forming, heat treatment, CNC machining and surface finishing. We review the function of each component, its geometry, material specification and order quantity before recommending a production route.

What is included in a moldboard plow body?

A conventional agricultural moldboard plow body, or plow bottom, commonly includes a share, moldboard, frog, landside and associated mounting hardware. Some designs also use a replaceable shin, wear pads or specialized points. The share cuts into the soil, the moldboard turns it, the frog supports and connects the working components, and the landside provides lateral support against the furrow wall. Exact construction varies by plow manufacturer and configuration.

Should a plow body be cast, forged or manufactured from steel plate?

Different parts may need different processes. Casting can suit complex frogs, thick mounting supports and selected shaped wear parts. Forging may be considered for appropriate high-load points and other steel components. Plate cutting and forming are common manufacturing options for contoured moldboards, landsides and suitable shares. There is no single process that is best for every part of the assembly; the approved geometry, material and load conditions determine the choice.

Which materials are suitable for plow bodies and ground-engaging components?

Heat-treatable carbon or alloy steels, including specified wear-resistant grades, may be considered for shares, moldboards and points. Cast steel and ductile iron are possible choices for selected frogs and structural components where their properties are appropriate. Some specialty wear alloys may suit particular abrasion or impact conditions. The required balance of hardness, toughness, strength and manufacturability depends on the component's function and actual soil conditions.

What information is needed for an OEM plow body quotation?

Please provide 2D engineering drawings and available STEP or other 3D models, identify the individual components or assembly scope, and specify the required material grades, mounting-hole patterns, working profiles, heat treatment, inspection requirements and quantities. For complete plow bodies, include the mounting beam interface, right-hand or left-hand configuration, replacement-part requirements and the mating share, moldboard and landside geometry. Information about working depth, soil conditions and impact exposure can support a more useful manufacturing review.

OEM Custom Plow Bodies for Agricultural Tillage Equipment

A plow body is the soil-working portion of a plow assembly. In a conventional moldboard plow, the individual components work together to cut, lift and turn a slice of soil while transferring operating forces through the frog and supporting beam into the agricultural implement. The dimensions and orientation of these components must match the intended plowing configuration.

Unlike a single replaceable plow shovel, a plow body combines several parts with different mechanical functions. Some surfaces repeatedly slide through abrasive soil, while others support the assembly and transmit bending, lateral and impact loads. The manufacturing requirements of a moldboard therefore differ from those of a cast frog, a forged point or a structural attachment bracket.

SIMIS supports custom metal manufacturing for agricultural OEMs and equipment-parts suppliers. Projects may cover individual plow components or multiple drawing-defined parts intended for the same assembly. Our manufacturing approach can combine casting, forging, formed steel parts and final machining according to the approved design. For related applications, see our agricultural machinery castings and forgings.

Plow Body Components: Share, Moldboard, Frog, Landside and Point

Understanding the role of each plow body component helps determine its material, manufacturing method and inspection priorities. A complete assembly must maintain the intended relative positions of the cutting and soil-turning surfaces as well as the correct connection to the plow beam.

Plowshare and cutting point design

The share or point is among the components most directly exposed to soil abrasion and occasional impact. Cutting-edge thickness, nose geometry, width and mounting arrangement must follow the approved plow body design. A narrow point and a broad share may require different steel grades or forming processes. For standalone replacement cutting tools, see SIMIS custom plow shovels and shares.

Moldboard curvature and soil turnover

A moldboard's three-dimensional contour determines how it guides the soil slice. Changes in curvature, pitch or the joint between share and moldboard can affect the intended soil movement. Formed steel plate is an important production option for these parts, although other routes may be evaluated for particular geometries. The approved contour should not be modified simply to simplify casting or forming tooling.

Frog and landside load transfer

The frog serves as an important mounting and load-transfer component, while the landside helps resist side forces generated during plowing. Their geometry affects how the assembled body fits together and how working loads reach the supporting structure. Hole position, material properties and local rigidity therefore require attention independent of the cutting edge's wear resistance.

Manufacturing Processes: Casting, Forging and Steel Plate Forming

A complete plow body can contain parts made using several manufacturing processes. The best route is determined by the part's geometry, material grade, required properties and production quantity. A cast frog, formed moldboard and forged point may all be appropriate within the same approved design.

Sand casting for complex frogs and structural supports

Sand casting can be considered for irregular plow frogs, heavy mounting supports and selected structural or wear components. It allows integral bosses, ribs and nonuniform shapes to be created where the casting process and material are suitable. Foundry planning must account for parting lines, draft, feeding, shrinkage and machining stock. SIMIS can evaluate applicable designs through its sand casting foundry.

Steel casting for selected high-load or wear components

Cast carbon steel and alloy steel may be evaluated for components requiring a particular combination of casting flexibility and mechanical properties. Thick sections and highly stressed mounting regions require a suitable casting and heat-treatment plan. Material standards and inspection requirements must be selected for the actual component rather than assumed from a general description of cast steel. More information is available through our steel casting services.

Closed-die forging for suitable plow points and steel components

Closed-die forging can be considered for repeat-production steel components with suitable shapes and specified strength or toughness requirements. The material grade, forging geometry and subsequent heat treatment determine the finished component's properties. Forging does not automatically guarantee freedom from defects or a longer service life under every soil condition. SIMIS can review projects through its closed-die forging capabilities.

Cutting and forming for moldboards and landsides

Many suitable moldboard, landside and share designs can be produced from steel plate using cutting, pressing, forming and selected secondary operations. Tooling must reproduce the correct working curvature without introducing unacceptable cracking, thinning or distortion. The formed part must also meet its attachment geometry after any required heat treatment. SIMIS can discuss relevant steel cutting and forming options.

Material Selection for Plow Bodies and Soil-Engaging Parts

Different parts of a plow body experience different combinations of abrasion, impact, bending and lateral forces. A cutting edge may require a heat-treated wear-resistant steel, while a complex mounting frog may need a different balance of castability, strength and ductility. Selecting the hardest available material for every component can create unnecessary brittleness or manufacturing difficulties.

Wear-resistant carbon and alloy steels

Suitable carbon and alloy steels, including selected heat-treatable and boron-alloyed grades, may be considered for shares, points, moldboards and other working surfaces. The alloy must be selected with its final manufacturing and heat-treatment condition in mind. Material hardness can influence abrasive wear, but toughness and resistance to edge chipping are also important where stones or other hard objects are encountered.

Cast alloy steel for appropriate complex components

Alloy steel castings may be specified for selected structurally loaded frogs or specially shaped wear components. A cast grade must be defined under an applicable casting standard rather than replaced with a wrought steel designation without review. See SIMIS custom alloy steel castings for related material and manufacturing options.

Ductile iron for specified cast supports

Ductile iron can be considered for some cast plow supports and connecting components where the chosen grade meets the structural design. It offers different strength and elongation characteristics from gray iron. However, neither ductile iron nor gray iron should be substituted for a hardened steel cutting edge solely to reduce cost. Relevant grade-selection considerations are described on our custom ductile iron parts page.

Specialty wear alloys and hardfacing

High-manganese steel, high-chromium white iron or hardfaced steel may be considered for certain abrasion and impact conditions. Their suitability differs substantially. High-chromium white iron can be relatively brittle in some impact applications, while austenitic manganese steel relies on different work-hardening behavior. Hardfacing may provide a selected wear surface but requires evaluation of the substrate, deposit, local heat effects and component geometry.

The material specified for a complete plow body should not be changed without reviewing each individual component. A grade suitable for the frog may not be appropriate for the share, and a material performing well in sandy soil may respond differently to repeated stone impact.

Working Geometry: Soil Penetration, Moldboard Contour and Alignment

The geometry of the assembled plow body affects how its working surfaces interact with the soil. Share entry position, moldboard curvature, landside alignment and the mounting angle established by the equipment are related dimensions. Manufacturing must preserve the customer's approved geometry; a dimensionally accurate individual part does not necessarily produce the intended result if the assembly is installed incorrectly.

Share point position and working angle

The share's point, cutting edge and relationship to the mounting structure influence initial soil engagement. The drawing may define a particular tip drop, penetration profile or cutting angle. These should be treated as functional dimensions rather than decorative features. The selected geometry depends on the plow design, working depth and soil environment.

Moldboard profile and formed curvature

A moldboard may have complex curvature along its length and height. Its profile can be checked using reference templates, contour measurement, fixtures or another agreed method. For formed steel components, springback and heat-treatment distortion can affect the finished shape. Inspection should take place in the final specified condition.

Right-hand, left-hand and reversible plow bodies

Some plows are designed to turn soil consistently to one side, while reversible plows use corresponding right-hand and left-hand bodies. Such components may be mirrored rather than interchangeable. Engineering drawings, tooling identification, part marking and inspection records should distinguish the required orientation and mounting arrangement.

Soil conditions and the limits of efficiency claims

Soil moisture, texture, stoniness, residue, operating speed and working depth can influence draft force and soil inversion. A well-manufactured component supports the intended machine design, but casting or forging accuracy alone cannot guarantee minimum tractor fuel consumption, optimal penetration or a fixed improvement in field productivity. Such results require comparable machine-level field testing.

Mounting Interfaces, Bolt Patterns and CNC Machining

The plow frog and attached components must fit the equipment's beam, brackets and fastening arrangement. Correct hole position and assembly geometry are important, but not every plow part requires precision CNC machining. The production method should reflect the part's thickness, material condition and actual tolerance requirements.

Bolt-hole spacing and replacement-part interchangeability

Mounting-hole patterns can include round holes, square openings, slots and countersunk fastener features. Hole spacing, edge distance, angular position and fit must match the approved mating components. A replacement part should be checked using the correct equipment drawing or a representative mounting fixture rather than relying on an external appearance comparison.

Machined frog bosses and structural locating faces

Certain cast frogs or mounting supports may require machined faces, drilled holes or accurately positioned locating features. For these parts, machining datums should reflect how the component sits in the assembled plow body. SIMIS can review applicable CNC machining requirements for steel and iron castings.

Formed or punched features in steel wear plates

For suitable plate-based shares and landsides, cutting, punching and forming may produce the specified mounting features without extensive CNC machining. The hole-making method should account for material hardness, production sequence and required edge condition. Finished dimensions should be verified after any process that can affect shape or hole position.

Fastener retention and assembly responsibility

The plow body assembly may use specified bolts, nuts and washers selected for the intended connection. Fastener grade, tightening procedure, contact condition and maintenance affect retention. Dimensional compliance of the individual cast or forged part cannot independently prevent loosening or fatigue failure in the assembled equipment. The machine manufacturer should establish the appropriate fastener and assembly requirements.

Heat Treatment, Hardness and Wear-Life Considerations

Wear-resistant plow components may require heat treatment to obtain the specified hardness and toughness. Treatment selection depends on the actual alloy, section thickness and component function. Structural castings and thin ground-engaging blades may require different final material conditions, even when they belong to the same plow assembly.

Quenching and tempering of suitable steel parts

Selected steels may be quenched and tempered to meet specified mechanical properties. The resulting hardness and toughness depend on composition, thickness and the treatment schedule. Excessively high hardness may increase chipping risk under stone impact, while insufficient wear resistance can shorten the service interval in abrasive soil. The target properties must be established from the approved design.

Hardness measurement and test locations

Rockwell or other suitable hardness testing may be specified for particular blades, points or wear surfaces. The drawing should define the required measurement scale, test location and acceptance range. A single hardness number cannot independently establish fracture toughness, wear life or suitability for a particular soil environment.

Distortion after heat treatment

Curved moldboards, thin shares and asymmetric wear plates may change shape during heating and cooling. Fixturing, process sequence and final inspection may therefore be important. Where a precise mounting interface or curvature is required, its acceptance should be evaluated in the finished condition rather than solely before heat treatment.

Localized wear protection and hardfacing

Hardfacing or other localized wear treatments may be considered when specified for the blade and service conditions. Deposit placement, hardness, bonding, heat effects and profile distortion should be reviewed. A specialized surface treatment is not universally appropriate for every thin or impact-sensitive part. SIMIS can discuss project-defined heat treatment requirements and the necessary downstream inspection.

Surface Finishing and Storage Protection

Plow bodies may be stored and transported before installation or seasonal use. Where required, suitable cleaning, blasting, painting and temporary corrosion protection can be applied according to the material and purchasing specification. Protective finishes may be particularly relevant for structural frogs, mounting brackets and other exposed components.

Cutting edges and soil-contact surfaces often experience rapid coating wear after entering service. Ordinary paint should therefore not be described as providing permanent abrasion protection. Coating thickness can also influence close-fitting mounting features, so masking and final dimensional checks may be appropriate. SIMIS can review available metal surface treatment options based on the drawing and operating environment.

Quality Control and Inspection for Custom Plow Body Parts

Quality assurance for a plow body should distinguish the inspection of individual cast, forged and formed parts from the performance of the completed agricultural implement. Material compliance, geometric accuracy and appropriate component testing are necessary where specified, but do not independently guarantee a particular working depth, fatigue life or fuel-consumption result.

Profile and dimensional inspection

Appropriate templates, gauges, CMM equipment or custom fixtures may be used to check the plow body's working geometry and mounting features. For replacement parts, fit against an approved holder or representative assembly can help verify interchangeability. The agreed tolerances should be based on the original equipment requirements rather than a blanket claim of perfect alignment.

Material testing and heat-treatment verification

Depending on the component and material grade, inspection may include chemical analysis, hardness measurement, tensile testing or impact testing. The results must be interpreted according to the relevant product and material specifications. Hardness compliance is not equivalent to a demonstrated wear-life guarantee.

Nondestructive examination where specified

Magnetic-particle inspection may be appropriate for detecting certain surface or near-surface discontinuities in suitable ferromagnetic steel components. Ultrasonic examination may be relevant for selected thick castings where geometry and material conditions permit. Neither method should be described as guaranteeing freedom from every internal defect. Examination method, coverage and acceptance criteria must be agreed for the project.

First-article and assembly-level checks

For new tooling, an initial inspection may confirm the formed or cast geometry, mounting-hole positions and functional interfaces. Where multiple parts are supplied together, a trial assembly or dedicated fixture may also be specified. Plowing performance, structural fatigue and service life of the full implement require separate verification under the conditions established by the equipment manufacturer.

SIMIS can review drawing-specific quality documents and inspection requirements through its quality control processes. The required examination scope, sampling frequency and records should be agreed before production.

Applications: Agricultural Plows, Earthmoving and Snow Equipment

Moldboard plows and reversible agricultural plows

Agricultural moldboard plows use assembled working bodies to cut, lift and turn soil. Their parts may include shares, moldboards, frogs, landsides and replaceable wear components. Right-hand and left-hand versions require the correct orientation, mounting position and assembly geometry. SIMIS can review the corresponding cast, forged and formed metal components according to OEM drawings.

Subsoilers and cultivator equipment

Related soil-engaging equipment can use shanks, points, narrow blades and structural supports. These components may share certain manufacturing processes with moldboard plow parts, but their geometry and loading differ. A cultivator sweep or subsoiler point is not automatically interchangeable with a conventional plowshare or complete plow body.

Construction and earthmoving blades

Selected construction machinery components also encounter abrasive ground contact and mechanical impact. Cutting edges, mounting supports and related parts may require cast steel, forging or fabricated plate construction. Although some wear-related design principles overlap with agricultural equipment, the applicable loads and structural requirements must be evaluated separately.

Snowplow blades and snow-removal equipment

Snow-removal equipment may use curved steel moldboards, cutting edges and fabricated support structures. These are different products from agricultural moldboard plow bodies, despite the shared word plow. Cold-weather impact conditions, road contact, corrosion exposure and equipment mounting requirements call for their own material and design evaluation. Custom manufacturing should follow the correct snow-equipment drawings rather than an agricultural plow specification.

Request a Quote for Custom Plow Body Components

SIMIS supports OEM manufacturing of custom metal plow body components for agricultural tillage equipment and related ground-engaging applications. Our manufacturing review can address casting or forging feasibility, steel plate forming, material grade, heat treatment, mounting interfaces, surface protection and the required inspection plan.

For a detailed quotation, please provide: 2D drawings and available STEP or other 3D models; the required component names and purchasing scope; plow body orientation; share and moldboard profiles; frog and beam mounting dimensions; material grades and applicable standards; hardness and heat-treatment requirements; machining tolerances; required inspection documents; and planned batch and annual quantities.

If you require a replacement for an existing plow system, please include the mating part numbers or approved assembly dimensions. Information about working depth, soil conditions, stone exposure and typical operating duty may also help evaluate the material and manufacturing route. Any change to the working profile, structural material or critical mounting geometry should be approved by the customer's responsible engineering team before production.

Send your custom plow body drawings and purchasing requirements to info@simis-group.com for a manufacturing feasibility review and quotation.