Introduction:
This kind of worm gear box has been widely used 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 main transmission parts are manufactured from high power alloy. By use of lot sealing and dust-proof products it features light in weight, long service existence and good tightness as well.
Performance:
1. Torque Center-dive Gear Box Of Irrigation System capacity: 4,500 lb.in (510 N.m).
2. Ratio: 20:1,?30:1,?40:1,?50:1,?58:1, 60:1 (others obtainable).
3. 
Accepts NEMA 56-C encounter 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.