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400Z Zero Turn Mower

The 400Z zero turn riding mower is the right mower for your big job. With its heavy-duty, all-steel construction frame and contour hugging cast-iron front axles, these zero turn mowers are built to take the constant pounding of rough terrain. Powered by hardworking Briggs & Stratton® Engines, the durable Hydro-Gear® ZT-2800® transaxles provide low maintenance mowing while you ride in comfort atop the 18" padded high-back seat.

Product Ratings

  • Zero Turn Grass Cutting Options
    More Grass Cutting Choices

    More is better when it comes to grass cutting height options. Choose from 12 settings - 1.5 to 4.5 inches high. The foot-pedal assist deck lift makes changing mower heights easy

  • Zero Turn Mower Fuel Tank
    Mow More.  Stop Less.

    Large fuel tanks hold more fuel for your uninterrupted lawn mowing pleasure. When it's time to fill-up gas, the wide neck tanks and easy-off caps help make sure the gas tank is full with no spills on your shoes.

  • Zero Turn Engine Protection
    Engine Protection

    This wrap-around steel engine enclosure helps protect critical components.

  • Zero Turn Mower Wheels

    There's a fine line between turf traction and turf damage. That's why the large, grass-friendly tires leave grass just like you found it, but shorter.

  • Zero Turn Mobility Durability
    Rugged Mower Durability

    With its heavy-duty, all-steel construction frames, contour hugging cast-iron front axles and reliable Briggs & Stratton® Engines, these zero turn lawn mowers are built to cut the grass year after year.

  • Zero Turn Engine
    Engine Workhorse

    Built for harsh zero turn mowing conditions, the Briggs & Stratton Commercial Turf™ Series Engine has what it takes to perform including an advanced debris management system and beefed up cylinder block.

  • Zero Turn Transmission
    Tough Hydrostatic Transaxles

    Durable Hydro-Gear® ZT-2800® transaxles for low maintenance mowing.

  • Zero Turn Mower Seat
    Mow the Lawn in Comfort

    You'll think you're in a recliner when you settle into this comfy 18-inch high-back zero turn mower seat.

MODEL 400Z - 21.5/48 400Z - 25/48
SELECT MODEL Compare Compare
Engine Brand Kawasaki Briggs & Stratton
Model FR651 Commercial Turf Series™ V-Twin OHV
Gross Horsepower 21.5* 25**
Engine Displacement (cc) 726 724
Cylinders 2 2
Choke/Throttle Separate Controls Separate Controls
Fuel Tank Capacity (U.S. Gallons) 5.5 5.5
Battery (cca) 300 300
Type Hydro-Gear® ZT-2800® Hydro-Gear® ZT-2800®
Forward Speed (mph) 0-8 0-8
Reverse Speed (mph) 0-4 0-4
Brakes Internal Internal
Frame 11-Gauge Welded 11-Gauge Welded
Front Axle Steel Steel
Front Tires (inches) 11 x 4 11 x 4
Rear Tires (inches) 20 x 10 20 x 10
Seat 18" High-back, Adjustable 18" High-back, Adjustable
Number of Anti-Scalping Wheels 1 Front 1 Front
Deck Type Fabricated Fabricated
Cutting Width (inches) 48 48
Number of Blades 3 3
Height-of-Cut Range (inches) 1.5-4.5 1.5-4.5
Height-of-Cut Positions 12 12
Blade Engagement Electric Electric
Deck Thickness 10-Gauge 10-Gauge
Deck Suspension Frame Hung Frame Hung
Spindles Aluminum Aluminum
Mower Deck Lift Mechanical, Foot Operated Mechanical, Foot Operated
ROPS (Roll Over Protective Structure) N/A N/A
Rear Bumper Standard Standard
Hour Meter Standard Standard
Cup Holder Standard Standard
Fuel Level Indicator Standard Standard
Armrest N/A N/A
Assembled Length (inches) 71 71
Assembled Width (inches) 63 63
Assembled Height (inches) 42 42
MAP (Minimum Advertised Price) $4,299 $4,299
Residential Use 3-Years 3-Years
Commercial Use 90-Days 90-Days
Fabricated Mower Deck Lifetime Lifetime
* All power levels are stated gross horsepower per SAE J2723 as rated by Kawasaki
**All power levels are stated gross horsepower at 3600 rpm per SAE J1940 as rated by Briggs & Stratton.
^Suggested prices will vary by market. Prices in U.S. dollars. Set-up, delivery, documentation, and destination fees not included. See dealer for details. Features vary by model. We reserve the right to change specifications, features and pricing without notice. Not all models available in California.
† See operator's manual or dealer for complete warranty details. Length of engine warranty coverage varies by manufacturer.
Grass Mulching Kit

Reduce your number of grass clippings by finely mulching them back into the lawn. Additional mower blades are available to shred leaves.

Fast Vac Twin Collector

Make quick work out of bagging leaves with our two-bag grass catcher

Turbo Collector Mower Attachment
Turbo Collector

Easily attaches to lawn mower and gets power directly from the engine. The blower pushes lawn clippings and debris into a grass bagger for a cleaner cut.

Arm Rest Mower Attachment
Arm Rest

Ride more comfortably with our easy-to-install arm rest kit for zero turns.

Hitch Kit Mower Attachment
Hitch Kit

Turn your zero turn into a towing workhorse with our trailer hitch kit.

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