Nothing is perfect. But a lawn maintained with a professional-grade Exmark Navigator 42 or 48 inch zero-turn mower may be as close as it gets. That’s thanks, in large part, to its patented fill-reduction. Combined with a larger diameter blower, the Navigator generates more airflow for better vacuuming and debris collection. And this year’s model is perfectly suited for any pro who wants even more controllability, responsiveness and less hand force. Another Navigator signature trait is the higher blade tip speed for slicing grass into finer particles. Then, its center-discharge deck designed with two-sided trimming lets the operator accurately control discharge, keeping flower beds and walkways clipping-free. And the Navigator does all this at speeds up to 7 mph. So, you can Navigate a virtually perfect lawn in no time.
Mower Deck Widths: 42″ 48″
Equipment Specs
| Blade Spindles | Heavy Duty cast iron right-angle gearboxes. |
| Drive Tires | 18 x 10.5-10 Multi-Trac® C/S. |
| Tractor Frame | Channeled and fully welded 1.5″ x 1.5″ x 0.187″ wall tubing with a ground clearance of 4.0″, strategically located, continuous force counterweight springs. |
| Steering Control | FeatherTouch hand-control drive levers, low-force constant speed lever. |
| Front Caster Tires | 8 x 3.0-4 semi-pneumatic. |
| Parking Brake | Wet disc, internal in wheel motor. |
| Seat | Commercial grade high back contoured foam padded with hinged mounting. |
| Electrical | 12-volt battery with 15-amp alternator. |
| Engine Brand | Kohler® |
| Engine Model | CH740 |
| Engine Displacement | 725 |
| Engine Series | Command™ |
| Engine Type | Carbureted |
| Engine Speed | 3,600 rpm |
| Air Filter | Heavy-duty canister air filtration |
| Fuel Type | Gas Carbureted |
| Fuel Capacity | 7.5-gallon (28.4-L), pivoting tank for easier engine service. |
| Fuel Indicator | Translucent Visual |
| Drive | Hydro-Drive |
| Drive Description | New Dual Hydro-Gear 12 cc variable displacement pumps power Hydro-Gear H Series motors. |
| Speed | Infinitely variable speed selection from 0–7.0 mph (11.3 kmph) forward, 0–4.5 mph (7.2 kmph) reverse. |
| Carb Compliant | Yes |
| Safety Package | Operator Presence Controls (OPC) and drive system interlock. |
| ROPS | Optional 2-post foldable ROPS with seat belt and latch. |
| PTO Engagement | Lever-actuated clutching belt with 6″ brake band. |
| Drive Wheel Release | Allows movement without engine running. |
| Casters | 0.50″ thick rear caster fork |
| Model Description | Navigator 25 HP* Koh CH740 w/48″ CD Deck |
| Width / Cutting Deck | 42″ and 48″ |
| Deck Style | Floating Deck |
| Deck Style Description | Full floating center discharge cutting deck for dedicated bagging with patented Fill Reduction Baffles and heavy duty gear driven spindle assembly. |
| Deck Construction | 7-gauge sides joined by a continuous bead weld to a 10-gauge top, 3/16″ wear guard is welded to the entire base of the deck, 7-gauge deck spindle supports, 0.25″-thick strap steel deck supports. |
| Blade Tip Speed | Approximately 18,500 fpm. |
| Cutting Heights | 1.0″ (2.54 cm) to 4.0″ (10.2 cm) in 0.25″ (0.64 cm) increments . |
| Blades | 2 Blades at 25″ Length |
| Bag Capacity | 9.5 bushel (76 gallons) |
| Width | 49.2 in. (125.0 cm) |
| Length | 94.5 in. (240.0 cm) |
| Height | 51.2 in. (130.0 cm) |
| Curb Weight | 1170 |
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