- Model 400 - Commercial Lawn Zero Turn Mowers



Smarter components, a smoother ride and more intuitive controls. Our top-of-the-line commercial lawn mowers were inspired by your expectations, then engineered to exceed them. Choose our Pro-Turn 400 zero-turn mowers and power past the competition, stripe after stripe.

Industry's First Air-Ride Suspension System

An enhanced air-ride suspension system with seat isolators absorbs large vertical impacts while you're cradled in an extra-high-back seat
Exclusive Constant Belt Tension System
Our exclusive Constant Belt Tension System (CBT) ensures correct belt tension and consistent blade tip speed

Innovative EZ Lift Deck System
The EZ Lift Deck System takes 25% less effort to raise and lower the deck—plus, 19 cutting positions with 1/4-inch increments help eliminate overhung loads
A Lifetime of Strength
The 7-gauge, all-steel, welded X-Factor® II Deck is fabricated from top to bottom with an exclusive limited lifetime warranty
Heavy-Duty Steel Frame
A heavy-duty, 1.5-inch x 3-inch steel, singular tubular chassis is fabricated with four engine frame isolation points to reduce cockpit vibration by 45%
Automotive-Style Performance
Radial rear tires come standard for industry-leading handling and hill holding while being gentler to the turf
Fuel Efficiency
Choose a gas-powered engine or one of our diesel and liquid propane models for added fuel savings and environmental friendliness (in fact, Gravely is the only manufacturer to offer two 33.5 lb. LP tanks)

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