Agricultural Gearbox

Sunfield offers a broad range of components for agricultural machinery makers comprising gearboxes, pto shafts as well as machine parts.

The gearbox is the main mechanical component in the kinematic chain of agricultural machines. It is normally driven by the tractor power take-off via the pto shaft and transmits motive power to the various other components of the machine. 

Company adhering to the management objective of quality first, prestige supreme.

About Sunfield

Since 1990, the gearboxes produced have been trusted by millions of people.

Sunfield is committed to the development, production, sales and service of transmission products. Its products include agricultural gear box products of rotary tiller series, grain transportation and storage series, and rice harvester series.We have the experience of foreign advanced technology, advanced equipment, professional management team and complete process flow, and we strictly follow the ISO9001/ts16949 standard production, thus ensuring the quality of each ex-factory product.

Our Services


Professional Team

We have professional management team, and our factory has professional production team.

Product Quality

Every product we leave the factory has undergone a series of inspection and testing procedures to ensure that we can get an excellent gearbox every time.

Series T (Cast iron right-angle gears)

General technical features: G25 or GS400 cast iron housings, for applications that require particularly rigid housings from 5.5HP to 50.3HP (1.000rpm) transmittable power, input speed (max 2.000 rpm) only with max. transmission ratio 1:1, maximum tooth module M8, indicate for almost all agricultural applications. All versions include, dual position for vent plug, dual position for level plug, inner channels for efficient lubrication in all parts of the housing, gearbox fastening points: upper-lower-side, pre-drilled holes in hub for application of extensions.Suitable for Circular saws/belt saws, fertilizer spreaders.

Series V (Vertical gear units)

General technical features: EN-GJL-250/GS400 cast iron housings, max. input speed (540rpm), with transmittable power from 20HP up to 74.8HP, maximum tooth module M6, dual position for vent plug, dual position for level plug, exclusively for vertical-shaft lawn mowers and rotary cutters.

This series of gearboxes are used in Rotary cutters, rotary lawn mowers.

“Quality products and friendliness is the reason why I choose to cooperate with China Sunfield Machinery. ”

Why Choose Us?

We have exported our products to clients around the world and earned a good reputation because of our superior product quality and after-sales service.
We warmly welcome customers both at home and abroad to contact us to negotiate business, exchange information and cooperate with us.

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