The Barreiros R-545 I is an industrial tractor produced from 1967 to 1980 by Barreiros in Villaverde, Madrid, Spain. It features a Barreiros BL24 6.8L 4-cylinder liquid-cooled diesel engine producing 80 hp (59.7 kW) at 1475 RPM. The tractor has a 5-speed transmission with 5 forward and 1 reverse gears, two-wheel drive, and an open operator station. It weighs 7,720 lbs (3501 kg).