These tires are geared to specific applications. "Most competitors, to this point, have gone with one singular product and they have transitioned by varying tread depth," says Donn Kramer, director of Goodyear commercial tire marketing. "We're surpassing the competition with two specific designs for on- and off-road services."
The G287 MSA is primarily an on-road tire. It is designed for 80% on road and 20% off road. It replaces the G286 and features high-mileage tread compounds, an improved belt package and high-speed handling capabilities. Wet traction and a quiet ride are also claimed benefits.
The G288 MSA is primarily an off-road tire. It is designed for 80% off road and 20% on road. It also replaces the G286. This tire features a new severe service tread compound and more robust belt package for resistance to cutting, chipping and tearing. A 19% increase in tread volume delivers long tread life. The tire's open lug design also provides countless tread edges for grip.
The G287 MSA will also be available with Goodyear's new DuraSeal Technology, which repairs punctures when they occur; the G288 MSA will be available with this technology at a later date. A gel-like rubber compound sealant is built into the inner liner of the tire. It is designed to instantly seal punctures up to 1/4 in. in the tread area. "The tire casing maintains its sealing capability even after it is retread," says Steve McClellan, vice president of commercial tire systems for Goodyear. "The built-in sealant means no messy cleanup for each repair, reduced fire chamber risk during retreading and no negative impact in tire temperature, high-speed performance, durability and rolling resistance."
The DuraSeal is said to add 5 to 7 lbs. to the weight of the tire. It will be available in standard sizes by the 1st quarter of next year. While it will add 20% to 25% to the tire cost, many applications will justify the expense. We took turns driving nails into a DuraSeal-equipped tire. After more than 50 punctures, the tire had no measurable loss of air pressure.