Description
18.5×8.5-8 Flotation Wheel & Tyre Assembly 4″ PCD, 79N, ET0
This 18.5×8.5-8 Flotation Wheel & Tyre Assembly 4×4″ PCD wheel and tyre assembly is commonly found on small agricultural trailers and small boat trailers.
The wheel rim has a 4″ PCD – the “Pitch Circle Diameter”. This is the diameter of an “imaginary” circle that would intersect all of the wheel studs / bolts centrally (see our page on PCD for more info).
The tyre is a 79N rating, meaning it has a load index of 425kg and a speed rating of 87mph (see our posts on load index & speed ratings for more info).
These wheels & tyres are ideally suited for use on 750kg single axle unbraked trailers, agricultural trailers and small boat trailers.
18.5×8.5-8 Flotation Wheel & Tyre Assembly 4×4″ PCD Detailed Specifications –
| Trailer Wheel Specification | |||
| Wheel Rim Size | 7.0Ax8 | ||
| Wheel Rim Colour | Silver | ||
| No. of Studs and size of stud | 4 x 3/8″ | ||
| PCD (pitch circle diameter) |
4″ (101.6mm) |
||
| Centre Hole Dia | 66mm |
||
| Stud Hole Dia | 11mm | ||
| Offset | ET0 | ||
| Tyre Specification | |||
| Tyre Size | 18.5×8.5-8 | ||
| Overall Tyre Diameter | 475mm diameter | ||
| Tyre Type | Crossply | ||
| Ply Rating | 6 Ply |
||
| Load Index | 78 | ||
| Max Load | 425kg | ||
| Speed Symbol | N | ||
| Max Tyre Pressure | 50 PSI | ||
* Photo shown is a generic image, you are only purchasing ONE assembly *
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