Introduction:
This type of worm gear box has been trusted on the driveline (drive train) of the center pivot irrigation system and the linear move (later move) irrigation system on THE UNITED STATES, European area and Middle East. It employs light weight aluminum alloy case and major transmission parts are manufactured from high power alloy. By utilization of lot sealing and dust-proof 
devices it features light in weight, long service life and good tightness as well.
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 Center-dive Gear Box Of Irrigation System offered).
3. Accepts NEMA 56-C face motors with 0.625”shafts, 2” long with 0.19” key slot.
4. Multiple mount bolt patterns 5”×6”, 3.38”×6.38”match all pivots.
5. High strength aluminium bronze worm gear.