Model Numbers:
SYF-1-20=87rpm(20:1 ratio)
SYF-1-30=58rpm(30:1 ratio)
SYF-1-40=43rpm(40:1 ratio)
SYF-1-50=35rpm(50:1 ratio)
SYF-1-58=30rpm(58:1 ratio)
SYF-1-60=29rpm(60:1 ratio)
(When input speed is 1740 rpm)
Introduction:
This kind 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 aluminium alloy case and major transmission parts are produced from high power alloy. By utilization of lot sealing and dust-proof devices it features light in weight, long service life 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 available).
3. Accepts NEMA 56-C face motors with 0.625”shafts, 2” long with 0.19” key slot.
4. Multiple install bolt patterns 5”×6”, 3.38”×6.38”fit all pivots.
5. High strength light weight aluminum bronze worm gear.
• Multiple ratios available
• Aluminum gearbox housing.
• Includes keyway coupling for the engine to gearbox connection.
• Contains 2-seal Gear Box Of Irrigation System savers for the result shafts.
• High strength aluminium bronze bull gear.
