The Holder Cultitrac A12 is a farm tractor produced by Holder starting in 1956. It features a Sachs 0.6L 1-cylinder air-cooled two-stroke diesel engine producing 12 hp (8.9 kW). The tractor has a 6-speed transmission with 6 forward and 3 reverse gears, dry disc clutch, and four-wheel drive. It includes drum brakes and an open operator station. Fuel capacity is 2.5 gallons (9.5 L) and hydraulic system capacity is 1 gallon (3.8 L) with an open center type hydraulic system operating at 1850 psi. The rear PTO is independent with 540/920 rpm types. Dimensions include a 45 inch (114 cm) wheelbase, 80 inch (203 cm) length, 30 inch (76 cm) width, and 44 inch (111 cm) height at the steering wheel. The tractor weighs 1500 lbs (680 kg) and has ground clearance of 9.5 inches (24 cm). Tires are available in 5.00x16 and 5.50x16 sizes front and rear. The belt pulley diameter is 8.25 inches (20 cm) with a width of 4.75 inches (12 cm) and runs at 1550 rpm.