Tire sizes › Tractor / loader / skid steer
How much sealant for an 18.4-38 tire
An 18.4-38 is about 18.8" wide and 69.1" tall (Goodyear Dura Torque R-1 (8 ply) spec, 256 lb). Tractor / loader / skid steer tires are dosed for off-road / low-speed use below.
Sealant per tire, by brand
| Brand | Per tire | Per set of 4 |
|---|---|---|
| Slime | 155.9 oz (1.22 gal) | 623.6 oz (4.87 gal) |
| Ride-On | 106.3 oz | 425.2 oz (3.32 gal) |
| Berryman | 103.9 oz | 415.6 oz (3.25 gal) |
| LiQuiTube | 266 oz (2.08 gal) | 1064 oz (8.31 gal) |
Typical LiQuiTube amounts by vehicle
| Vehicle | Front | Rear |
|---|---|---|
| Backhoe / loader | 64 oz | 128 oz (1.00 gal) |
| Farm tractor | 128 oz (1.00 gal) | 256 oz (2.00 gal) |
A quick reference only. For a 18.4-38, go by the size-based amount above (266 oz (2.08 gal)).
With liquid ballast
A ballasted 18.4-38 holds about 110 gal. At the 1:10 rule, that's 11 gal of sealant per tire. How to install.
Formulas and sources are on the sealant calculator page. Amounts are each maker's guidance; follow your product's label.