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| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £3.99 | 3 to 5 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 5 to 7 working days |
| SERVICE | DELIVERY PRICE | DELIVERY TIME |
|---|---|---|
| Standard Delivery | £9.95 | 7 to 10 working days |
Product Number: 4028MFB23-45
Sensitive and lighter-duty installations call for a mount that prioritises energy dissipation over restraint, and the 40x28mm Male Flat Buffer in 45 Shore A (4028MFB23-45) is engineered precisely for that role. With a maximum load rating of 124.0 kg and a deflection of 6.8 mm, this softer-grade buffer delivers the greatest movement under load within the flat-buffer range, translating directly into superior vibration isolation at lower frequencies and reduced force transmission to surrounding structures. Constructed with rubber-to-metal bonding throughout, the flat buffer works by absorbing and dissipating energy on contact with a surface or secondary moving component. The 45 Shore A rubber compound yields readily under load, making it well suited to applications where isolating delicate or lightweight equipment from vibration and impact shock matters more than high-load restraint. The M8x23 threaded stud provides a clean, low-cost installation without specialised tooling. Typical applications for this grade and size span agricultural equipment, elevators, and light industrial machinery where operator comfort and protection of sensitive components are primary concerns. Its compact 40mm diameter and 28mm height suit installations with restricted envelope space. The rubber-to-metal bonded construction helps improve machinery lifespan and protects surrounding structures from repeated impact. Custom options including stainless steel hardware and oil-resistant or high-temperature rubber compounds are available on request. This buffer is offered across multiple Shore grades and sizes to suit a broad range of load and isolation requirements.
About PartsForMachines:PartsForMachines is a premier e-commerce platform, founded in 2019 in Warwickshire, UK, specializing in aftermarket parts and services for construction, agriculture, and industrial machinery. We offer an extensive catalog of over 500,000 products. Standard delivery: 1–3 working days within UK mainland. We are proud to be an authorised distributor, giving customers extra confidence when purchasing genuine products from us. In addition, we provide a 30-day return policy for eligible items.
| Hardness (Shore A) | 45 |
|---|---|
| Body diameter D (mm) | 40 |
| Overall height H (mm) | 28 |
| Stud thread d | M8 |
| Stud length L (mm) | 23 |
| Max load (kg) | 124 |
| Deflection (mm) | 6.8 |
| Engine Parts | Product Number | Product Name | Recommended Units | Product Price |
|---|
Standard Delivery: £3.99
Delivery Estimate: 3 to 5 working days
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| Technical Specification | |||||
|---|---|---|---|---|---|
| PRODUCT NUMBER | 2520MFB18-70 | 2520MFB20-70 | 3017MFB20-60 | 4028FFB10-45 | 2520FFB06-70 |
| Type | Flat Buffer | Flat Buffer | Flat Buffer | Flat Buffer | Flat Buffer |
| Length | 20mm | 20mm | 17mm | 28mm | 20mm |
| Size | 25x20mm | 25x20mm | 30x17mm | 40x28mm | 25x20mm |
| Deflection | 5 | 5 | 4.25 | 7 | 5 |
| Diameter | 25mm | 25mm | 30mm | 40mm | 25mm |
| Diameter Range | 11-25mm | 11-25mm | 26-50mm | 26-50mm | 11-25mm |
| Length Range | 11-25mm | 11-25mm | 11-25mm | 26-50mm | 11-25mm |
| Shore Hardness | 70 | 70 | 60 | 45 | 70 |
| Thread | M6 | M8 | M8 | M10 | M6 |
| Show More | |||||
A. The buffer measures 40mm outer diameter by 28mm height, with an M8x23 threaded stud. Maximum load is 124.0 kg with a deflection of 6.8 mm at that load.
A. A softer 45 Shore A rubber compound gives the greatest deflection under load, providing superior vibration isolation and energy dissipation. It is best suited to lighter or sensitive equipment and lower-frequency isolation where minimising transmitted vibration matters more than restraint or high load capacity.
A. Male flat buffers of this type are used on construction equipment, industrial machinery, agricultural equipment, elevators, and commercial vehicles. The 45 Shore A grade is particularly appropriate for lighter, sensitive, or compact installations where isolation performance is the priority.
A. The buffer uses a rubber-to-metal bonded construction with an M8x23 threaded stud for direct installation without specialised tooling. It is supplied as a single unit.
A. Yes — stainless steel metal components and oil-resistant or high-temperature rubber compounds, as well as additional and custom sizes, are available on request.
A. The same 40x28mm footprint is also available in 60 Shore A (4028MFB23-60) and 70 Shore A (4028MFB23-70) for medium and higher load applications. Additional geometries include 0808MFB06, 100100MFB44, 10030MFB41, 10040MFB44, 10050MFB41, and 10055MFB44.
A. WhatsApp us on 07754 288583 with photos of the item and packaging, and we will resolve the issue in line with our returns policy.
A. Yes — WhatsApp us on 07754 288583 with any questions about specifications, suitability, or compatibility.
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