RS02

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.

RS02 Brockenhexe
Brockenhexe in 1956
TypeAgricultural tractor
ManufacturerSchlepperwerk Nordhausen
Production1949 - 1952
Length2980 mm
Width1560 mm
Height2160 mm
Weight1775 kg
PropulsionTyres
Engine modelDeutz F2M 414
Gross power16,2 kW
Drawbar pull9,61 kN
Speed16,85 km/h
Succeeded byRS04

Technical description
RS02 with mowing bar
RS02 with cab
Well visible engine
Front of an RS02, well visible front axle

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
NameDeutz F2M 414
TypeStraight two-cylinder, four stroke diesel engine
Cooling systemwater-cooling
Injection systemPrecombustion chamber injection
Injection pressure98 bar
Bore × Stroke100 × 140 mm
Displacement2200 cm³
Compression ratio22:1
Rated power22 PS (16.2 kW) at 1500 min−1
Fuel consumption299 g/kWh
Powertrain
Torque is transmitted toRear tyres
Standard tyresfront: 5,5 - 16
rear: 9 - 24
ClutchSingle disc dry clutch Renak 16K
GearboxFour-speed gearbox ZF F12 or ZF A12
Speed in 1st gear4.68 km/h
Speed in 2nd gear6.4 km/h
Speed in 3rd gear10 km/h
Speed in 4th gear16.85 km/h
Speed in reverse gear3,8 km/h
Drawbar pull in 1st gear980 kp (9.61 kN)
Drawbar pull in 2nd gear700 kp (6.86 kN)
Drawbar pull in 3rd gear440 kp (4.31 kN)
Drawbar pull in 4th gear240 kp (2.35 kN)
Dimensions and weight
Length2980 mm
Width1560 mm
Height2160 mm
Weight1775 kg
Max. weight on the front axle700 kg
Max. weight on the rear axle1700 kg
Max. weight2400 kg
Wheelbase1750 mm
Turning radius3650 mm
Track width1270 mm
Ground clearance310 mm
Auxiliary drives
PTOclutch independent, 540 min−1, max. power 11.03 kW
belty-pulleyDiameter: 250 mm, Speed: 1340 min−1
Generator6V, 80 W

Bibliography
  • Achim Bischof: Traktoren in der DDR - Podszun-Verlag, 2004, ISBN 978-3861333487.
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