Caterpillar - Diesel Power Long Sleeve Tee. Color Dark Heather Grey. Low Stock. On sale for $30.79. MSRP $54.99.. 1.0 out of 5 stars7 left in stockBrand NameCaterpillarProduct NameDiesel Power Long Sleeve TeeColorDark Heather GreyPrice$30.79MSRP: $54.99