Outrigger pad: Temperature Range -40°F to 140°F

Component Specifications

Definition

Outrigger pads are structural components designed to be placed under hydraulic outrigger feet on mobile machinery such as cranes, aerial lifts, and concrete pumps. They function as load-spreading interfaces between the outrigger shoe and the ground surface, reducing ground bearing pressure to prevent soil failure, equipment tipping, or structural damage. These pads are engineered to withstand compressive forces while maintaining stability on various terrain types including asphalt, concrete, grass, and uneven ground.

Working Principle

Outrigger pads operate on the principle of pressure distribution. When hydraulic outriggers extend to stabilize equipment, the concentrated load from the outrigger shoe is transferred to the pad, which spreads this force over a larger surface area. This reduces ground pressure below the soil's bearing capacity, preventing sinking and maintaining equipment stability. The pad's rigid structure ensures even load distribution while its surface texture provides friction to prevent lateral movement.

Materials

High-density polyethylene (HDPE), ultra-high molecular weight polyethylene (UHMW-PE), reinforced composite polymers, aluminum alloy (6061-T6), steel (A36 or equivalent with corrosion-resistant coating), rubber-cushioned variants for sensitive surfaces

Technical Parameters

Parameter	Typical range	Notes & selection driver
Weight	15-80 lbs
Thickness	1.5-3 in
Dimensions	24x24 in to 48x48 in (standard)
Color Coding	Yellow/black for visibility
Surface Area	4-16 sq ft
Load Capacity	20,000-100,000 lbs per pad
Temperature Range	-40°F to 140°F

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 4309, DIN 15018, ASME B30.5, EN 13000

Parent Products

This component is used in the following industrial products

Hydraulic Outriggers

Hydraulic outriggers are extendable support legs mounted on rough terrain cranes that provide stability during lifting operations by distributing the crane's load over a wider area and preventing tipping on uneven ground.

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Engineering Analysis

Risks & Mitigation

Ground failure and equipment tipping
Structural damage from point loading
Pad slippage on inclined surfaces
Material fatigue from cyclic loading
Improper size selection leading to overload

FMEA Triads

Trigger: Inadequate pad size for applied load
Failure: Excessive ground pressure causing soil failure and equipment instability
Mitigation: Implement load calculation protocols, use manufacturer-recommended pads, conduct ground assessment before deployment

Trigger: Material degradation from UV exposure or chemical contact
Failure: Reduced structural integrity leading to catastrophic failure under load
Mitigation: Regular visual inspections, proper storage, material compatibility testing, scheduled replacement based on service hours

Trigger: Improper placement on uneven surfaces
Failure: Concentrated loading at pad edges causing rollover or structural damage
Mitigation: Surface preparation, use of leveling systems, operator training on proper placement techniques

Industrial Ecosystem

Compatible With

Typical Suppliers & Equivalents

Compliance & Inspection

Tolerance

±0.125 in flatness across surface, ±0.5% dimensional accuracy, load capacity must exceed rated capacity by minimum 4:1 safety factor

Test Method

ASTM D695 compression testing, cyclic load testing to 10,000 cycles at 125% rated capacity, environmental exposure testing per ASTM G154, non-destructive testing for material defects

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 Outrigger pad

2 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.

Tangyin Sanyou Engineering Plastic Co., Ltd.

Henan, CN

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “UHMWPE Outrigger Pads”
View source page ↗ syuhmwpe.com · checked 2026-09-16

View profile Send enquiry

YASU

Dezhou, Shandong, CN

Listed on the company's own website · profile compiled by CNFX from public sources

Listed there as: “Outrigger Pads”
View source page ↗ ysplastics.com · checked 2026-09-16

View profile Send enquiry

Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.

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 surfaces require outrigger pads?

Outrigger pads are essential on all surfaces with insufficient load-bearing capacity including asphalt, concrete near edges, grass, soil, sand, gravel, and uneven terrain. They should always be used unless operating on engineered concrete pads specifically designed for the equipment's load.

How do I determine the correct pad size for my equipment?

Calculate required pad size using: Pad Area = (Outrigger Load × Safety Factor) ÷ Ground Bearing Capacity. Consult equipment manufacturer specifications for maximum outrigger loads and always include a minimum 2.0 safety factor. Professional engineering assessment is recommended for critical applications.

Can outrigger pads be stacked for additional height?

No, stacking pads is not recommended as it creates instability points and uneven load distribution. Use specifically designed outrigger extensions or blocking systems if additional height is required. Always maintain a single, solid interface between outrigger and ground.

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.

Outrigger pad