(NOTE: - title says 12,000lbs. That is only if all four wheels are each on a ramp. Should be 6,000 for a pair) The Pro Ramp, suitable for cars, light trucks and vans, has a rated gross vehicle weight of 3,000 lbs (1,350 kg) per wheel up to a maximum of 6,000 lbs (2,700 kg) per pair of wheels. Pro Ramp is constructed of high impact plastics designed to accommodate lower profile vehicles. The hi-tech grate design incorporates extra strength and increased traction and allows fluids to drain away/off the ramps.