Contractor® ST S21 3’n1 SP B&S
Contractor® ST S21 3’n1 SP B&S
The Masport 21" Self Propelled professional mower features a commercial grade 3 speed transmission and is powered by a commercial Briggs & Stratton 850 engine. This mower is designed for large yards, small acreage and commercial use. The heavy duty high arch steel chassis is able to withstand sandblasting and hard impacts and is combined with the Quadcut 4 blade cutting system resulting in superior cutting, mulching and catching performance. The heavy duty cast alloy wheels are extremely tough and are designed to operate under commercial conditions limiting possible down time.
- Cut, Catch, Mulch & Rear Discharge
- Powered by Briggs & Stratton 190cc OHV Series 850 Professional IC ReadyStart™ 4 Stroke engine
- ReadyStart™ - no priming required and easy starting
- Cast iron sleeve in cylinder
- 540mm (21") deep draw heavy duty steel chassis
- Steel front bumper and engine guard offer protection to the cutting chassis
- Bolt in front axle with steel bearing plates bolted directly to the chassis
- GT Agility PRO 3 Speed Commercial transmission - Ground speed 3.74km/h - 6.63km/h
- Masport Quadcut® 4 Blade Disc System for superior catching due to increased airflow
- Large wide diameter professional grade heavy duty cast aluminium Front 200mm (8") and Rear 225mm (9¼") wheels with synthetic rubber tyres and precision 6202 sealed ball bearings
- Comfortable and sturdy upturned upper handle with soft grip, large diameter and heavier gauge steel tube
- Robust lower handle with additional bracing for extra durability
- 3 position handle locking system for different height settings
- Large capacity Commercial Dacron Catcher with dust cover
- Rear Discharge Chute designed for safe discharge of grass when mowing without a catcher
- Zone start for comfortable starting positionWarranty

Specifications
- Specifications
Engine
Engine MakeBriggs & StrattonEngine ModelOHV Series 850 Professional ICEngine Type4 StrokeEngine Capacity190ccPower Rating (Torque)8.5ft/lb or 11.5NmStarting SystemReadyStart™Cutting
Cutting Width540mm (21″)Cutting Height Range13mm – 60mmCutting MethodsCut, Catch, Mulch, Rear DischargeNumber of Blades4Cutting SystemMasport Quadcut® Blade Disc SystemCutting Height Steps11Cutting Height AdjustmentSingle PointDrive
Drive SystemGT Agility PRO 3 Speed CommercialGround Speed1st – 3.74km/h, 2nd – 5.11km/h, 3rd – 6.63km/hChassis / Deck
Chassis MaterialDeep draw heavy duty steelHandle
Upper Handlebar TypeUpturned with soft gripHandlebar Retainer3 position handle lockingLower Handlebar TypeReinforcedCatcher
Catcher TypeDacron catcher with dust coverCatcher Volume80LWheels
Wheel Bearing TypePrecision 6202 sealed ball bearingsWheel Type & SizeCast Aluminium Front 200mm (8″) and Rear 225mm (9¼”)Weight56.2kg





