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GTB 1250 is completely motorized single flank bevel gear roll inspection machine for wheels up to 1250mm in diameter. Special construction of the machine allows to assemble the wheel horizontaly.

Technical Specification

max. diameter of gear 1250/2000 mm (50/80'')
pinion hole diameter 310 mm
gear mounting dist. 145 ... 700 mm
pinion mounting dist. 380 ... 1300 mm
hypoid offset -100 ... +100 mm
shaf angle N/A
max. speed 100 rmp
max. measuring speed 30 rpm
max break 450 Nm
max. weight of gear 2000 kg
max. weight of pinion 1000 kg
diameter of table 600 mm / 900 mm
machine weight 12 500 kg
dimensions (LxWxH mm) 3000 x 4000 x 3200
accuracy DIN 3965 / class 1

Key Features

  • DIN Quality

  • Defined backlash

  • Low level of noise / high lifespan

  • Influence of assembly precission

  • Contact pattern, V-H characteristics

  • Where error comes from (pinion/wheel)


GeartecGEARTEC is a modern engineering company in the Czech Republic with an 80-year tradition in manufacturing gear machines. Established in 1998, we specialize in crafting high-quality inspection machines for all types of gears, focusing on single and double flank testing. With over 150 machines supplied, we've become a global leader in gear inspection. Our collaboration with Czech and German universities, as well as top gear manufacturers, drives our research for superior quality evaluation tools.