Attachment Interface Plate: Weight Capacity 5-20 tons

Component Specifications

Definition

The Attachment Interface Plate is a precision-engineered structural component designed to serve as the primary mounting interface between loader arms and various attachments in material handling systems. It features standardized bolt patterns, alignment features, and load-bearing surfaces that enable quick and secure connection of buckets, forks, grapples, and other specialized tools to loader equipment. This component ensures proper load transfer, maintains attachment alignment, and provides the structural integrity required for heavy-duty material handling operations.

Working Principle

The Attachment Interface Plate operates on the principle of standardized mechanical interfacing, providing a rigid connection point that transfers operational forces (compression, tension, shear, and torsion) from attachments to the loader arm structure. It utilizes precisely positioned mounting holes, alignment pins, and load-bearing surfaces to ensure proper attachment orientation and secure fastening. The plate distributes operational loads evenly across the loader arm's structural members while maintaining the geometric relationship between the attachment and the machine's hydraulic and control systems.

Materials

High-strength low-alloy steel (HSLA) ASTM A572 Grade 50 or equivalent, with yield strength ≥ 345 MPa and tensile strength ≥ 450 MPa. Surface treatment: Hot-dip galvanized or powder-coated for corrosion resistance. Hardness: 200-250 HB.

Technical Parameters

Parameter	Typical range	Notes & selection driver
Bolt Size	M20-M30
Thickness	20-40 mm
Surface Finish	Ra 3.2 μm maximum
Weight Capacity	5-20 tons
Mounting Pattern	ISO 13031 compliant
Operating Temperature	-40°C to +120°C

Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.

Standards

ISO 13031, DIN 15061, SAE J1173

Parent Products

This component is used in the following industrial products

Loader Arms

Structural components of a compact track loader that connect the attachment interface to the main chassis and provide lifting/lowering functionality.

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Engineering Analysis

Risks & Mitigation

Fatigue failure from cyclic loading
Corrosion in harsh environments
Improper installation leading to attachment detachment
Wear at pin/bushing interfaces
Overloading beyond rated capacity

FMEA Triads

Trigger: Cyclic loading exceeding fatigue limits
Failure: Crack propagation leading to structural failure
Mitigation: Implement regular NDT inspections, use materials with higher fatigue strength, design with stress relief features

Trigger: Corrosive environment exposure
Failure: Material degradation and reduced load capacity
Mitigation: Apply protective coatings, use corrosion-resistant materials, implement regular surface maintenance

Trigger: Improper bolt torque during installation
Failure: Attachment detachment during operation
Mitigation: Use torque-controlled fastening procedures, implement visual torque indicators, conduct regular torque checks

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.5 mm for mounting hole positions, ±0.2 mm for pin bore diameters, flatness within 0.1 mm per 100 mm

Test Method

Static load testing per ISO 13031, fatigue testing with minimum 100,000 cycles at 80% rated load, dimensional verification with CMM, non-destructive testing (magnetic particle or dye penetrant)

Procurement Evaluation Criteria

A practical evidence checklist for RFQ preparation and supplier evaluation.

Technical documentation

Request current drawings, revision history, and a signed specification sheet.

Manufacturing capability

Verify equipment lists, process limits, capacity, and representative production evidence.

Inspection readiness

Confirm test methods, calibrated equipment, sampling plans, and traceable reports.

Supplier transparency

Check the legal entity, factory address, ownership, certifications, and direct contacts.

CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.

Manufacturers of Attachment Interface Plate

Manufacturer profiles associated with Attachment Interface Plate.

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Compiled and source-reviewed by the CNFX editorial team. Each manufacturer above links to the page on that company's own website where the product is listed, with the date we checked it. How we source and review

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Frequently Asked Questions

What is the purpose of an Attachment Interface Plate?

The Attachment Interface Plate provides a standardized mounting surface that allows quick and secure connection of various attachments (buckets, forks, etc.) to loader arms, ensuring proper load transfer and alignment.

How do I ensure compatibility between interface plates and attachments?

Compatibility is ensured by adhering to standardized mounting patterns such as ISO 13031. Always verify that the plate's bolt pattern, pin locations, and dimensional specifications match those of the attachment being installed.

What maintenance is required for Attachment Interface Plates?

Regular inspection for cracks, deformation, or corrosion; checking bolt torque; ensuring alignment pins are not worn; and keeping mounting surfaces clean and free of debris.

Data Basis

Editorial classification, named public sources where available, and source-reviewed manufacturer records. See the editorial policy.

Preliminary Technical Classification

This page supports structured research, RFQ preparation, and supplier evaluation. It does not replace buyer-led supplier qualification, standards review, or technical approval.

Attachment Interface Plate