2014 Exmark NV640KC42 - 42" Deck, Kohler CH640


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Metro Equipment & Rental - Odessa
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NV640KC42 - 42" Deck, Kohler CH640



There’s mowing. There’s manicuring. And then there’s navigating.

Nothing is perfect. But a lawn maintained with an Exmark Navigator may be as close as it gets. That’s thanks, in large part, to its patented, adjustable flow control baffles. 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 rear-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 seven mph. So, you can Navigate a virtually perfect lawn in no time.

  • Bag / mulch versatility: The Navigator’s fill-reduction system lets you bag 100%, bag 50% and mulch 50% or mulch 100%. All with versatile cutting deck and baffle system.
  • “FeatherTouch” controls: As the name implies, you don’t have to muscle the Navigator around. Its FeatherTouch controls make maneuvering tight spots virtually effortless.
  • More capacity, more productivity: The 9.5-bushel hopper means less time emptying and more time mowing. An exclusive baffle design fills evenly back to front for maximum efficiency.
Power Components
  • Engine: Kohler®
  • Model: CH640
  • Displacement: 640
  • Air Filter: Heavy-duty canister air filtration
  • Drive System: 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, 0–5.5 mph (8.9 kmph) reverse.
  • PTO Engagement: Lever-actuated clutching belt with 6" brake band.
  • Fuel Capacity: 7.5-gallon (28.4-L), pivoting tank for easier engine service.
  • Drive Wheel Release: Allows movement without engine running.
  • Safety Package: Operator Presence Controls (OPC) and drive system interlock.
  • Rollover Protection System (ROPS): Optional 2-post foldable ROPS with seat belt and latch.
  • Casters: 0.50" thick rear caster fork
  • CARB Compliant: Yes
  • 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.
  • Deck Style: Full Floating rear discharge cutting deck w/heavy duty gear driven spindle assembly. Patented Fill Reduction baffles standard.
  • Width: 42" (106.68 cm)
  • Cutting Heights: 1.0" (2.54 cm) to 4.0" (10.2 cm) in 0.25" (0.64 cm) increments .
  • Blades: 2 Blades at 22" Length
  • Blade-Tip Speed: Approximately 18,500 fpm.
  • Tractor Frame: Channeled and fully welded 1.5" x 1.5" x 0.187" wall tubing with a ground clearance of 4.0"
  • Steering Control: FeatherTouch hand-control drive levers, low-force constant speed lever.
  • Front Caster Tires: 8 x 3.0-4 semi-pneumatic.
  • Drive Tires: 18 x 10.5-10 Multi-Trac® C/S.
  • Parking Brake: Wet disc, internal in wheel motor.
  • Seat: High-back, "EVC" (Elastomeric Vibration Control) seat, which has no springs to break.
  • Blade Spindles: Heavy Duty cast iron right-angle gearboxes.
  • Electrical: 12-volt battery with 15-amp alternator.
  • Bag Capacity: 9.5 bushel (76 gallons)
  • Curb Weight: 1140 lbs
  • Length: 91.8 in. (233.2 cm)
  • Width: 43.2 in. (109.7 cm)
  • Height: 51.2 in. (130.0 cm)
  • Warranty: 2 Year Comm / 2 Year Cons



Engine Manufacturer
Engine Type
640 cc


Dual Hydro-Gear 12 cc variable displacement pumps power Hydro-Gear H Series motors
Wheel Size
Front: 8 x 3.0-4; Drive: 18 x 10.5-10
Fuel Capacity
7.5 gal. (28.4 L)


Deck Size
42 in. (106.68 cm)
Discharge Type
Mulch, Bag