The RS02, brand name Brockenhexe (English: Brocken Witch), is a tractor made by VEB Schlepperwerk Nordhausen alongside the larger tractor RS01. In total, 1935 units of the Brockenhexe were produced from 1949 to 1952. It was available with and without a cab.
Technical description
The Brockenhexe utilises a frameless block construction, a dead front beam axle and a rear live axle. Due to the lack of a small DDR-made diesel engine, the Deutz licensed F2M 414 engine was used. The straight two-cylinder, four-stroke diesel engine with water-cooling and prechamer injection, produces 16,2 kW at 1500 min−1; the displacement is 2200 cm3. The engine has a decompression system and a hand crank for starting. The torque is transmitted to the gearbox with a clutch of the type Renak 16K. The gearbox was also built under licence. It is a ZF Friedrichshafen four-speed gearbox with a reverse gear. For braking, drum brakes are used, whereas the hand brake is a gearbox brake. For power take-off, the tractor has a belt-pulley and an engine speed dependent PTO. Some Brockenhexe units were equipped with a cab, some tractors also have a mower bar.
Technical data
Brockenhexe RS02/22 Engine Name Deutz F2M 414 Type Straight two-cylinder, four stroke diesel engine Cooling system water-cooling Injection system Precombustion chamber injection Injection pressure 98 bar Bore × Stroke 100 × 140 mm Displacement 2200 cm3 Compression ratio 22:1 Rated power at 1500 min−1 Fuel consumption 299 g/kWh Powertrain Torque is transmitted to Rear tyres Standard tyres front: 5,5 - 16rear: 9 - 24 Clutch Single disc dry clutch Renak 16K Gearbox Four-speed gearbox ZF F12 or ZF A12 Speed in 1st gear 4.68 km/h Speed in 2nd gear 6.4 km/h Speed in 3rd gear 10 km/h Speed in 4th gear 16.85 km/h Speed in reverse gear 3,8 km/h Drawbar pull in 1st gear Drawbar pull in 2nd gear Drawbar pull in 3rd gear Drawbar pull in 4th gear Dimensions and weight Length 2980 mm Width 1560 mm Height 2160 mm Weight 1775 kg Max. weight on the front axle 700 kg Max. weight on the rear axle 1700 kg Max. weight 2400 kg Wheelbase 1750 mm Turning radius 3650 mm Track width 1270 mm Ground clearance 310 mm Auxiliary drives PTO clutch independent, 540 min−1, max. power 11.03 kW belty-pulley Diameter: 250 mm, Speed: 1340 min−1 Generator 6V, 80 W
Bibliography Achim Bischof: Traktoren in der DDR - Podszun-Verlag, 2004, .