SYF-1 Series|Center-dive Gear Box

SYF-1 Series|Center-dive Gear Box
Description :

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)


This type 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 North America, European area and Middle East. It employs aluminum alloy case and major transmission parts are made from high strength alloy. By use of large number sealing and dust-proof devices it features light in weight, long service life and good tightness as well.


1. Torque capacity: 4,500 (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 mount bolt patterns 5”×6”, 3.38”×6.38”fit all pivots.
5. High strength aluminum bronze worm gear.
6. Includes easy installing shock absorbing motor to worm gear box coupler.
7. Both output shafts have 1/4” ×1-1/4” keyways.
8. Shipped with oil.
9. Includes special external crop guard seals.
10. Precision die cast tempered aluminum housing.
11. Weight: 15.9 lbs (7.2Kg).
12. Oil capacity: 0.21 gal (0.8 L)

Installation and contour dimension(dimensions are in inch):