Boom Trucks are available with a lifting capacity of around 30 tons. Boom trucks are used for moving boulders that weigh more than 3 tons (2.7 t). These trucks are used for concrete pours.

Booster cable is an electric cable used to connect a discharged battery to a power source for charging. They are an insulated wire fitted with a hand clamps at each end, used to connect an outside battery to a machine for a temporary supply of starting current. It helps determining proper polarity with glow-in-the-dark indicators.

Booster coil is a secondary ignition coil, which increases the intensity of the spark. It is a basic hot water or steam coil used to boost the temperature in a ducted HVAC system. These are available in many different sizes.