The SITREX SM Series Finishing Mowers are built to deliver a clean, professional finish across a wide range of applications, including parks, sports fields, golf courses, roadside maintenance and farm use. Available in three cutting widths, the SM Series combines robust construction with outstanding cutting performance, making it a reliable choice for contractors, councils and farmers alike.

Built with heavy-duty gearboxes and thick-gauge decks, each mower is designed to withstand demanding conditions while providing years of dependable service. A fully floating hitch allows the mower to follow ground contours for an even cut on uneven terrain, while overlapping high-suction, hardened steel blades ensure complete cutting coverage and a consistently tidy finish.

Designed with practicality in mind, the SM Series features easily accessible grease points, simple belt adjustments and durable, high-quality components to minimise maintenance and maximise uptime.

Key Features

  • Available in 60", 72" and 90" cutting widths

  • Fully floating hitch for superior contour following

  • Heavy-duty gearbox and robust deck construction

  • Overlapping blade design for 100% cutting coverage

  • High-suction, hardened steel blades for a clean, professional finish

  • Adjustable cutting height from 1"–4"

  • Easy maintenance with accessible grease points and simple belt adjustment

  • Precision bearings and durable nylon pulleys for long service life

  • Optional pneumatic wheels and front roller available on selected models

  • 2025 Models

SITREX SM finishing mowerS

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Red agricultural mower attached to the back of a black tractor with large tires, on a grassy field with trees in the background.

WHY CHOOSE SITREX SM SERIES FINISHING MOWERS?

A Clean, Even Finish

Get a neat, professional finish across parks, lawns and other grassed areas. The overlapping blade design helps provide consistent cutting coverage.

Follows the Ground

Uneven ground? No problem. The fully floating hitch allows the mower to follow ground contours for a more consistent cut.

Built to Last

With a heavy-duty gearbox, robust steel deck and durable components, the SM Series is designed to handle regular mowing work.

Easy to Maintain

Spend less time on routine maintenance with accessible grease points, simple belt adjustments and adjustable cutting heights.

SITREX SM SERIES FINISHING MOWERS – FAQs

  • SITREX SM Series Finishing Mowers are designed for maintaining grassed areas such as parks, sports fields, lifestyle blocks and lawns. They're ideal for achieving a clean, even finish on regularly maintained grass.

  • The SM Series is available in three models: SM150 (1.5m), SM180 (1.8m) and SM230P (2.3m), giving you options to suit different mowing areas and tractor sizes.

  • The SM150 is listed for 15–30 HP tractors, the SM180 for 20–40 HP, and the SM230P for 30–60 HP. Contact GMS to confirm compatibility with your tractor before purchasing.

  • Yes. The fully floating hitch allows the mower to follow ground contours, helping maintain an even cut across uneven surfaces. These finishing mowers are best suited to maintained grass rather than heavy scrub.

  • Garton Mechanical Services supplies SITREX finishing mowers across Northland and Auckland. Contact our Whangārei team for pricing, availability and help choosing the right model.

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