Does the Mowrator S1 mow on its own?

No. It is a remote-control mower that you drive with the handheld remote.

What is the steepest slope it can mow?

Mowrator rates the S1 4WD Grip Tread Tire Edition at 119% (50°).

Mowrator S1 remote-control mowers

Mowrator Mowers

The Mowrator S1 is a remote-control lawn mower with a 21 inch deck, driven from a handheld remote so you can mow steep banks, ditches and rough ground from a safe spot. Four editions differ in drive and traction.

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Mowrator S1 21-inch 4WD 12Ah remote-control lawn mower

$3,499.00 - $3,999.00

$3,499.00

Mowrator S1 21″ 4WD Leaf & Lawn Remote-Control Lawn Mower

in stock

Four-wheel drive for hills and rough ground. Four independent brushless motors and 1,000 W of traction power take the S1 4WD up slopes to 75% (37°)...

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$3,499.00 - $3,999.00

$3,499.00

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Mowrator S1 21-inch 4WD 18Ah Wide Wheels Edition

$4,299.00 - $4,299.00

$4,299.00

$4,299.00 - $4,299.00

$4,299.00

Mowrator S1 21″ 4WD 18Ah Wide Wheels Edition

More footprint for soft, wet and uneven ground. The Wide Wheel Edition puts the S1 4WD on wider tread for more contact with the ground. Mowrator ra...

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$4,299.00 - $4,299.00

$4,299.00

$4,299.00 - $4,299.00

$4,299.00

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$4,399.00 - $4,399.00

$4,399.00

$4,399.00 - $4,399.00

$4,399.00

Mowrator S1 21″ 4WD 18Ah Grip Tread Tire Edition

The steepest-rated S1. The Grip Tread Tire Edition is the S1 4WD on 12 mm semi-solid TPU tires. Mowrator rates it for slopes up to 119% grade (50°)...

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$4,399.00 - $4,399.00

$4,399.00

$4,399.00 - $4,399.00

$4,399.00

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Mowrator S1 21-inch 2WD 12Ah remote-control lawn mower

$2,499.00 - $2,999.00

$2,499.00

Mowrator S1 21″ 2WD Leaf & Lawn Remote-Control Lawn Mower

In stock

Remote-control mowing for gentler yards. The S1 2WD puts a 21-inch, 1,985 W cutting deck under your thumbs. It handles slopes up to 45% (24°) and g...

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$2,499.00 - $2,999.00

$2,499.00

Which Mowrator S1 edition?

2WD or 4WD
The 2WD suits flatter lawns and gentle slopes. The 4WD drives all four wheels for hills and rough ground, and only the 4WD takes the Snow Plow Kit.
Traction
Mowrator rates the 4WD at 75% (37°) on standard wheels, 85% (40°) with Wide Wheels and 119% (50°) with Grip Tread tires.
Battery
The 4WD comes with a 12Ah battery; the Wide Wheel and Grip Tread editions come with the 18Ah battery for longer runs.

Your yard	Edition
Mostly flat, gentle slopes	S1 2WD
Hills and rough ground up to 37°	S1 4WD
Soft or uneven slopes up to 40°	S1 4WD Wide Wheels Edition
Banks up to 50° (119%)	S1 4WD Grip Tread Tire Edition