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Caja de cambios de la cortadora de césped

A premium-built Lawn Mower Gearbox serves as the core torque conversion unit for all kinds of grass cutting machinery. Every Lawn Mower Gearbox from our production line adopts hardened gear structure, compact cast housing and precision spline shafts to transfer engine power toward cutting spindles reliably. Each Lawn Mower Gearbox is engineered to handle recurring shock load, grass debris impact and outdoor humid working conditions, delivering stable performance for residential, commercial and industrial lawn maintenance equipment. We manufacture multiple structural variants of Lawn Mower Gearbox to match different horsepower, mounting layout and shaft connection requirements across global lawn equipment markets.

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Available Structural Categories Of Lawn Mower Gearbox

Side Flange Mounted Lawn Mower Gearbox

  • Ratio range: approx 1.13 ~ 1.47
  • Module range: 4.0 ~ 5.08
  • Rated input speed: 540rpm
  • Input options: taper spline / optic spline shaft
  • Net weight range: 14.5kg ~ 36.5kg

This category Lawn Mower Gearbox uses lateral flange installation, easy to fix on mower side frame for medium torque cutting decks.

Rear Extended Shaft Lawn Mower Gearbox

  • Ratio range: approx 1.14 ~ 1.63
  • Module range: 5.0 ~ 5.7
  • Rated input speed: 540rpm
  • Output adopts long taper spline shaft
  • Net weight range: 24kg ~ 30kg

This Lawn Mower Gearbox has extended output shaft to connect multi-blade cutter assembly, widely used for wider cutting decks.

Compact Cast Iron Lawn Mower Gearbox

  • Ratio range: approx 1.14 ~ 1.17
  • Module range: 4.0 ~ 5.08
  • Rated input speed: 540rpm
  • Compact housing for narrow installation space
  • Net weight range: 21kg ~ 26.5kg

Compact sized Lawn Mower Gearbox suits small riding mowers and narrow trimming equipment with limited mounting room.

Lawn Mower Gearbox Types

Essential Components of a Heavy-Duty Drive Assembly

Every component inside a commercial-grade drive mechanism must handle severe vibrations and transient peak loads. Standard high-performance assemblies incorporate six key structural elements:

Ductile Cast Iron Housing

Provides structural rigidity, superior shock absorption, and high heat dissipation under heavy work loads.

Precision Bevel Gear Sets

Forged alloy steel gear teeth engineered with specific modules (3.38 to 7.0) to handle torque without chipping.

Alloy Input & Output Shafts

Available with 1 3/8 Z6 splines, taper splines, or optic smooth shafts to match varied tractor couplings.

Tapered Roller Bearings

Heavy-duty bearing sets configured to carry high radial and axial thrust loads from spinning cutter decks.

High-Grade Lip Seals

Double-lip rubber seals prevent lubricant leakage and keep grass dust, moisture, and fine soil particles out.

Pressure Relief Vents & Plugs

Prevents internal pressure buildup as gear oil heats up during extended field operation cycles.