Description

Overview
The Gravely PRO-TURN 660 EFI (Model #992503) is the high-efficiency flagship of the Pro-Turn 600 series, designed for maximum productivity and elite fuel management. By integrating a massive 38.5 HP Kawasaki® FX1000 EFI engine, this machine offers superior power delivery and easier starts across all weather conditions. With its expansive 60-inch X-Factor® 3 deck, it is a commercial beast capable of clearing 9 acres per hour at a top speed of 15 MPH, ensuring you dominate even the largest landscapes with professional-grade precision.
This next-generation mower isn’t just about raw horsepower; it’s built to protect the operator. The sleek, modern design focuses on reducing fatigue, allowing you to mow through massive acreage and trailer-up at night feeling significantly less drained. Once you experience the combination of Electronic Fuel Injection (EFI) and Gravely’s commercial-grade chassis, you’ll see why this is the new standard for professional turf maintenance.

Top Performance Features
·       38.5 HP Kawasaki® FX1000 EFI Engine: Features advanced Electronic Fuel Injection for optimized fuel consumption, improved throttle response, and reliable, choke-free starting.
·       60-Inch Fabricated X-Factor® 3 Deck: A 7-gauge steel powerhouse redesigned to improve grass dispersion and provide a cleaner cut even at high ground speeds.
·       15 MPH Forward Speed: Blistering speed that turns massive jobs into quick work, significantly increasing your daily mowing capacity.
·       Advanced Hydrostatic Drive: Commercial-grade transmissions provide smooth, responsive control for precise maneuvering around garden obstacles.
·       Extra-Large 13.4 Gallon Fuel Capacity: Designed for the long haul, this high-volume system minimizes downtime for refueling during heavy-duty shifts.
·       Heavy-Duty Chassis & Suspension: Assembled at over 1,600 lbs, the 660 EFI utilizes a low-center-of-gravity frame and 26-inch rear tires for maximum stability and traction.
·       Versatile Cutting Height: Quickly adjust from a low 1-inch finish to a 5.5-inch clearance to handle varied turf types and overgrown areas.
·       Operator Comfort Focus: Engineered with ergonomic controls and a seating station designed to absorb vibration and impact throughout the workday.

Core Specifications

Feature

Details

Engine

38.5 HP Kawasaki® FX1000 EFI (999cc)

Transmission

Professional-Grade Hydrostatic

Deck Construction

7-Gauge Fabricated X-Factor® 3

Cutting Width

60 Inches

Max Ground Speed

15.0 MPH Forward / 6.0 MPH Reverse

Productivity

~9.0 Acres Per Hour

Fuel Capacity

13.4 Gallons

Assembled Weight

1,609 lbs.

The Ultimate Commercial Production Machine
The PRO-TURN 660 EFI is built for the high-volume contractor who needs maximum uptime and efficiency. From the 300 CCA maintenance-free battery to the heavy-duty mechanical spindles, every component is battle-tested for the professional environment. It delivers a perfect balance of power, fuel economy, and comfort that sets it apart from any other mower in its class.