Gates online Truck and Bus manual describes heat-resistant hydraulic hoses, non-silicone coolant hoses, air brake hoses, one and two-piece, leak-free couplings with TuffCoat™ corrosion-resistant plating, plus shop and field crimping machines and die sets. The Engineering and Technical Data section has tips on hose selection, flow velocities and the DOT standard for air brake hoses. Visit www.gates.com/truck-bus.