Gravely Pro-Turn 660 60in 38.5HP Kawasaki EFI Zero Turn Mower – Commercial
Straight talk: Gravely Pro-Turn 660 channels 38.5 horsepower. A 60-inch deck backs it up, and a Kawasaki engine drives it. Zero-radius turns cut mowing time around trees and beds.
- Puts 38.5 horsepower behind every pass
- 60 inches wide, fewer passes needed
- Commercial-grade parts built for daily runs
- Kawasaki builds the engine inside it
- EFI makes cold mornings easier to start
Description
Spinning commercial Marbain cutting blades at 18,500 FPM, the Gravely Pro-Turn 660 60in 38.5HP Kawasaki EFI commercial zero turn mower discharges clippings evenly across wide acreage without unsightly turf clumps. Commercial landscape contractors face lost profits when heavy cutting decks scalp uneven turf or drop blade speed in thick wet grass. This flagship 60-inch commercial zero-turn mower combines an X-Factor III 7-gauge steel cutting deck with an isolated operator pod and an industrial 38.5HP Kawasaki EFI engine that powers through dense turf at speeds up to 15 MPH.
Industrial Parker HTG commercial transaxles provide smooth ground drive power up to 15 MPH forward speed, tracking straight across steep highway embankments without drive wheel slippage. The operator platform sits on an independent four-point suspension system with rubber isolators, completely disconnecting the operator from chassis and terrain vibrations. The fabricated cutting deck features a reinforced front bullnose edge that deflects tree roots, metal edging, and hidden rocks without cracking weld seams.
Key Engineering Features of Gravely Pro-Turn 660 38.5HP EFI
- 60-Inch X-Factor III 7-Gauge Steel Deck: Delivers heavy plate steel construction with reinforced leading edges for extreme durability.
- 38.5HP Kawasaki FX1000V EFI Engine: Delivers massive electronic fuel-injected torque to power through dense turf without RPM fade.
- Isolated Operator Platform Suspension: Four-point suspension pod isolates the operator completely from chassis vibration and bumps.
- Parker HTG 16cc Commercial Transaxles: High-displacement unitized drives deliver exceptional wheel torque up to 15 MPH travel.
- Air-Ride Suspension Operator Seat: Adjusts pneumatically to operator weight to provide unmatched comfort over rough terrain.
- Foot-Operated Mechanical Deck Lift: Adjusts cut heights from 1.5 to 5 inches across distinct positions with an easy-select pin.
- Foldable Roll-Over Protection System (ROPS): Provides operator rollover safety and folds down for trailer transport clearance.
Engineering Integrity & Operational Economy
Engineered for high-volume commercial mowing operations, this flagship machine delivers exceptional acres-per-hour output and chassis durability.
- A reinforced 7-gauge deck shell withstands accidental tree strikes and curb rubs without warping or throwing blades out of track.
- Independent operator pod suspension eliminates whole-body vibration, allowing operators to mow at high speeds without fatigue.
- Electronic fuel injection cuts fleet fuel expenses significantly compared to standard carbureted commercial mowers.
Target Acreage & Trailer Transport
Weighing 1,410 pounds dry with an operating width of 64 inches with the chute raised, this 60-inch machine clears wide commercial acreage fast and fits easily onto commercial landscape trailers.
Factory Warranty Terms & Routine Upkeep
- Gravely backs this Pro-Turn 600 series mower with a 5-Year or 1,500-hour limited commercial warranty covering the frame, deck, and drive hydraulics.
- The commercial engine receives full 3-Year manufacturer warranty backing through authorized dealer service centers.
Execute oil and filter changes every 100 operating hours using 10W-30 motor oil. Inspect the dual-element air cleaner weekly on dusty routes, check hydraulic fluid levels monthly, and sharpen blades regularly for clean turf cuts. Order the Gravely Pro-Turn 660 60in 38.5HP Kawasaki EFI commercial zero turn mower from Mulmotor.com for guaranteed factory-fresh units, complete manufacturer warranty coverage, and dedicated commercial equipment support.
Gravely Pro-Turn 660 60" Zero Turn (38.5HP Kawasaki EFI) Specs
| Technical Parameter | Official Specification |
|---|---|
| Brand & Series | Gravely Pro-Turn 600 Series |
| Full SKU/Model | 992503 (Kawasaki FX1000V EFI) |
| Country of Origin | USA |
| Engine Brand & Model | Kawasaki FX1000V EFI |
| Displacement (cc) | 999 cc |
| Horsepower/Torque | 38.5 HP at 3600 RPM |
| Fuel Capacity (Gallons/L) | 13.4 Gallons (50.7 L) |
| Oil Capacity & Recommended Grade | 2.3 qt (2.2 L) / SAE 10W-40 |
| Oil Filter OEM Part Number | Kawasaki 49065-7007 |
| Spark Plug Type & Gap | NGK BPR4ES / 0.030" |
| Air Filter Type | Heavy-Duty Canister Air Filter |
| Starting System | Electric Start (EFI System) |
| Transmission Model | Hydro-Gear ZT-5400 (Commercial) |
| Transmission Oil Type | 20W-50 Synthetic Motor Oil |
| Max Forward Speed (mph/kmh) | 15.0 mph (24.1 km/h) |
| Max Reverse Speed (mph/kmh) | 6.0 mph (9.6 km/h) |
| Cutting Width (Inches) | 60 Inches |
| Deck Construction (Gauge & Type) | 7-Gauge Fabricated X-Factor® III |
| Cutting Height Range | 1.0" - 5.5" |
| Height Adjustment Positions | Foot Operated / 19 Positions |
| Number of Blades | 3 Blades |
| Blade Tip Speed (fpm) | 18,500 fpm |
| Blade Bolt Torque (ft-lbs) | 115 ft-lbs |
| Spindle Housing Material | Forged Aluminum |
| Front Tire Size | 15 x 6-6 (Semi-Pneumatic) |
| Rear Tire Size | 26 x 12-12 |
| Seat Type & Suspension | Premium High-Back Suspension Seat w/ Armrests |
| Dry Weight (lbs/kg) | 1546 lbs (701 kg) |
| Commercial/Residential Warranty | 5-Year / 1500-Hour Commercial |
| SEO Usage Profile (Terrain & Max Acreage) | Extreme Professional; Maximum Speed; 12+ Acres |












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