Introduction:
This kind of worm gear box has been widely used 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 produced from high strength alloy. By utilization of lot sealing and dust-proof gadgets it features light in weight, long service lifestyle and good 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 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 light weight Center-dive Gear Box Of Irrigation System aluminum bronze worm gear.