Description
Professional-Grade 60" Commercial Mower with Unmatched Comfort & Performance
Ultimate Commercial Mowing Solution
The STIHL RZ 960KI redefines professional landscaping with its 38.5HP Kawasaki EFI engine and advanced suspension system. Engineered for commercial operators who demand both power and comfort, this zero-turn mower delivers:
✔ 999cc Kawasaki® FX EFI Engine – Unmatched power & fuel efficiency
✔ 4-Wheel Suspension System – Industry-leading ride comfort
✔ 12 MPH Cutting Speed – Hydro-Gear ZT-5400 commercial transmissions
✔ Heavy-Duty 60" Deck – Greasable cast iron spindles for maximum durability
Built For:
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Commercial landscaping companies
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Municipal & institutional properties
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Golf course rough mowing
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Large estate maintenance (10+ acres daily)
Commercial-Grade Features
1. Kawasaki® FX1000 EFI Powerplant
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999cc V-Twin EFI (38.5HP) – No carb adjustments needed
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Advanced fuel mapping for optimal performance at all altitudes
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50% longer service intervals than standard commercial engines
2. Advanced Suspension System
| Component |
Benefit |
| Independent Front Suspension |
Smooths out rough terrain |
| Rear Shock Absorbers |
Reduces operator fatigue |
| Deck Height Compensation |
Maintains consistent cut quality |
| Premium Air-Ride Seat |
4" of adjustable suspension travel |
3. Industrial Cutting System
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60" reinforced steel deck with 10-gauge construction
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3 High-Vacuum Blades – 19,500 FPM tip speed
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Greasable cast iron spindles – Serviceable without deck removal
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5-position quick-change height adjustment (1.5"-5")
4. Commercial-Grade Performance
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12 MPH forward speed – Covers up to 5 acres/hour
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Hydro-Gear ZT-5400 transaxles – 3,000-hour fluid change intervals
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23" rear tires – Maximum traction on slopes
5. Operator Comfort Features
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Adjustable suspension seat with lumbar support
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Ergonomic steering levers with dampened control
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Backlit LCD dashboard with maintenance alerts
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Integrated cup holder & storage compartment
Technical Specifications
Performance Metrics
| Category |
Specification |
| Engine |
Kawasaki® FX1000 EFI 999cc |
| Horsepower |
38.5 HP |
| Cutting Width |
60" |
| Max Speed |
12 MPH forward / 5 MPH reverse |
| Fuel Capacity |
8 gallons |
Deck & Cutting System
| Component |
Specification |
| Deck Construction |
10-gauge reinforced steel |
| Spindle Type |
Greasable cast iron |
| Blade Tip Speed |
19,500 FPM |
| Cutting Height |
1.5"-5" (5 positions) |
Dimensions & Weight
| Parameter |
Measurement |
| Operating Weight |
1,894 lbs |
| Overall Length |
91" |
| Deck Width |
60" |
Why Professionals Choose the RZ 960KI
✅ MOST POWERFUL IN CLASS – 38.5HP EFI engine
✅ BEST SUSPENSION SYSTEM – 4-wheel independent comfort
✅ FASTEST PRODUCTION MOWER – 12 MPH working speed
✅ HEAVY-DUTY COMPONENTS – 3,000-hour transmission service intervals
✅ COMMERCIAL WARRANTY – 3-year limited coverage
What's Included
Commercial accessories available: Striping kit, mulch conversion kit, LED light package
Experience the ultimate in commercial mowing performance with STIHL's flagship zero-turn mower!
Warranty: 3-year limited commercial warranty (registration required)
Service Note: 50-hour break-in oil change recommended
Compare to Competitors
| Feature |
STIHL RZ 960KI |
Commercial Competitors |
| Engine Power |
38.5HP EFI |
24-35HP Carbureted |
| Max Speed |
12 MPH |
8-10 MPH |
| Suspension |
4-Wheel |
Front Only |
| Deck Spindles |
Cast Iron |
Aluminum |
| Warranty |
3 Years |
1-2 Years |
