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Simplicity Contender HD SZT 550

The Simplicity Contender zero turn motor features durable hydro-gear technology that will give you a perfectly cut lawn every time. Some of it’s main features are commercially inspired such as very tough briggs and transaxles.


SKU: SZT550 Categories: , ,

Simplicity Contender HD SZT 550



The new Contender zero turn lawn mowers are the perfect choice for the serious home owner, sports club or small contractor. With the 122cm stamped fabricated steel deck you will get a beautifully cut lawn. The new Contender zero turn mower are more versatile than ever before.

Briggs and Stratton Commercial series 8270 V-Twin, OHV, Cyclonic Air Filter
132cm/52″Cutting Width
10 Gauge Fabricated Steel Deck, Frame Hung with Rear Roller
3 Mower Blades
Hydrogear ZT-3100 Transmission
Electric PTO
12 Height of Cut Positions
Foot Operated Mower Deck Lift
Hour Lift
Heavy, 12 Gauge Steel Frame
Easy Adjustable Mid-back seat with arm rests
Cargo Box
Large 20″ Rear Tyres
11 litre fuel tank
Lifetime limited warranty on the deck.

3 -Year Limited warranty.

Height of Cut Range:
3.8 – 11cm

Speed Fwd: 0 – 13.0km/h
Speed Rev: 0 – 6.0km/h

MODEL 25/61
Make Briggs & Stratton
Model Commercial Series V-Twin
Start Type Key
Power Rating 25 gross hp*
Cylinders 2
Engine Displacement (cc) 724
Choke/Throttle Separate Choke & Throttle
Fuel Tank Capacity (U.S. Gallons) 5.5
Battery(cca) 300
Type Hydro-Gear® ZT-3100®
Speed – Fwd 0-8.0
Speed – Rev 0-4.0
Brake Separate Lever
Frame 11-Gauge Steel
Front Axle 1.5″ x 2″ Welded Steel
Front Tires (inches) 11 x 4 – 5
Rear Tires (inches) 20 x 10 – 8
Seat 18″ High-Back Mesh
Suspension N/A
Cutting Width (inches) 61
Mower Deck Type Fabricated
Height-of-Cut (inches) 2.0-4.5
Height-of-Cut Positions 12-Foot Assist
# of Blades 3
Blade Engagement Electric PTO Switch
Mower Deck Removal Frame Mounted
Anti-Scalp Wheels 4 Front/Rear Roller
Spindle Cast-Aluminum
Cargo Bed N/A
Steering Twin Levers
Headlights Optional
Fuel Level Indicator Standard Gauge / Left Hand Console
Cup Holder Standard
Rear Bumper Standard
Roll Over Protection (ROPS) Fixed
Assembled Length (inches) 78
Assembled Width (inches) 72
Assembled Height (inches) 66
Residential 3-Years
Commercial 90-Days
Fabricated Mower Deck Lifetime

*All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.