AB/ABR Helical planetary series
9 sizes:42mm to 220mm,27 ratios:3-200:1 3classes of precision: <9arcmin to <1arcmin
AD/ADR/ADS Helical planetary series
7 sizes:47mm to 255mm, 19 ratios:4-200:1 3classes of precision: <9arcmin to <1arcmin
AE/AER/AES Helical economy planetary series
7 sizes:50mm to 235mm, 27 ratios:3-200:1 3classes of precision: <9arcmin to <1arcmin 100% Stainless Steel option
AF/AFR Helical planetary series
9 sizes:42mm to 220mm, 27 ratios:3-200:1 3classes of precision: <9arcmin to <1arcmin
AP/APK Helical planetary series
7 sizes:147mm to 530mm, 8 ratios:5.5-220:1 Blacklash: < = 1arcmin ,High Torque , Optimized for Rack and Pinion
AH/AHK Helical planetary series
9 sizes:88mm to 530mm, 8 ratios:4-100:1 Blacklash: < = 1arcmin < = ⁄ 2arcmin, Easy mounnt, Low noise
KF/KH Hypoid-Bevel series
Featuring hypoid-bevel technology with offset output shaft for novel mounting and installation options. Extremely quiet and very efficient Ratios up to 500:1
PII/PIIR (low cost spur gears) Series
Types PEII/PIIR ,PGII/PIIR ,PAII/PIIR. PSII is for robotic applications
AT Spiral-bevel stainless-steel
& ATB blackend steel series
9 sizes:65mm to 280mm, 21 ratios:1-500:1 1 precision classes <10 to <6arcmin 1,2,3 shaft, hollow shaft, keyed shaft output opposing rotating shafts option (AT/B-xM)