# Pneumatic Wheel UN, inflatable wheel with axle Ø12 mm, size 4.00-8, 8PR, rim type F.M.Ł.K (single piece)

**URL:** https://aio.lv/en/product--un-966-400-8-6prlug--12051566
**Data updated:** 2026-03-12 19:34 (EET)
**Category:** Garden Equipment Accessories
**Manufacturer:** UN
**Manufacturer code:** 966-4.00-8-6PRLUG
**EAN:** 5907683134464
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

Inflatable pneumatic wheel by UN, model for light machinery or trailers, size 4.00-8 with 8PR rating and axle bore Ø12 mm. Supplied as a single assembled unit with rim type F.M.Ł.K, this wheel is intended for replacement use on trolleys, small trailers, garden equipment and similar applications requiring a pneumatic tyre and a 12 mm axle fit.

## Long description

Pneumatic Wheel UN, inflatable wheel with axle Ø12 mm, size 4.00-8, 8PR, rim type F.M.Ł.K (single piece) is a ready-to-fit replacement wheel designed for light machinery and small trailers. The unit comes assembled with a pneumatic tyre mounted on a single-piece rim of F.M.Ł.K type and features a 12 mm axle bore. The tyre size 4.00-8 and 8 ply rating indicate a construction aimed at light to moderate load carrying while providing shock absorption and traction on typical outdoor surfaces.
Advantages
This pneumatic wheel delivers vibration damping and improved ride comfort compared with solid wheels thanks to its inflatable tyre construction. The assembled single-piece rim simplifies installation and alignment on a 12 mm axle, reducing fitment time. The 8PR rating enhances durability for repeated use on garden equipment, trolleys and small trailers, while the common 4.00-8 size ensures compatibility with many light-duty applications.
Suitable for
Trolleys and handcarts used for material handling
Small utility trailers and garden trailers
Garden machinery such as lawn aerators, spreaders and small cultivators
Replacement on small agricultural implements and light industrial equipment
Key specifications
Tyre size: 4.00-8
Ply rating: 8PR
Axle bore diameter: 12 mm
Rim type: single-piece F.M.Ł.K
Unit: supplied as an assembled wheel (tyre mounted on rim)
Intended use: pneumatic tyre for light-duty vehicles and equipment
How to use
Fit the assembled wheel onto a 12 mm axle, ensuring the axle passes fully through the bore and the wheel is seated correctly against any retaining washers or bearings. Secure with the appropriate fasteners or cotter pin as required by the equipment design. Inflate the tyre to the manufacturer-recommended pressure for the application, checking that the valve is accessible and the bead is seated evenly on the rim. Verify lateral runout and wheel alignment before placing the equipment into service.
Usage recommendations
Regularly inspect tyre pressure, tread condition and the rim for damage. Maintain proper inflation to preserve load capacity and to prevent accelerated wear; adjust pressure according to load and operating surface. Replace the wheel if the tyre shows severe cuts, sidewall damage, or if the rim is bent or cracked. Use appropriate protective equipment and follow the equipment manufacturer's instructions during fitting and maintenance.

## FAQ

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All UN products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized UN service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/12051566/67537750_large.webp