Introduction:
This kind of worm gear box has been trusted on the driveline (drive train) of the guts pivot irrigation system and the linear move 
(later move) irrigation system on THE UNITED STATES, European area and Middle East. It employs aluminium alloy case and main transmission parts are made from high power alloy. By utilization of lot sealing and dust-proof gadgets it features light in weight, long service lifestyle and good Center-dive Gear Box Of Irrigation System tightness aswell.
Performance:
1. Torque capacity: 4,500 lb.in (510 N.m).
2. Ratio: 20:1,?30:1,?40:1,?50:1,?58:1, 60:1 (others available).
3. Accepts NEMA 56-C encounter motors with 0.625”shafts, 2” long with 0.19” key slot.
4. Multiple attach bolt patterns 5”×6”, 3.38”×6.38”fit all pivots.
5. High strength aluminum bronze worm gear.