The Holder S1090 is an articulated truck tractor produced from 2013 onwards by Holder. It features a Deutz 3.6L 4-cylinder turbocharged diesel engine producing 92 hp (68.6 kW). The tractor has a hydrostatic transmission with infinite forward and reverse gears, four-wheel drive, electro-hydraulic differential locks front and rear, hydrostatic power steering, and hydraulic wet disc brakes. It comes standard with a cab. Fuel capacity is 22.7 gallons (85.9 L) and hydraulic system capacity is 12 gallons (45.4 L) with various pump flow options. The tractor hitch includes category II front and rear hitches with lifts of 5950 lbs front and 3306 lbs rear. PTO options include rear 1000 rpm (optional) and front 540/1000 rpm. Dimensions include a 72 inch (182 cm) wheelbase, 167 inch (424 cm) length, 52 inch (132 cm) width, and 90 inch (228 cm) cab height. Shipping weight is 6151 lbs (2790 kg) with a max weight of 9921 lbs (4500 kg). Electrical system is 12 volts with negative ground.