Specifications

Specifications

Model Numbers

Serial Nos: 850,000 and Higher

NAV20KC; NAV27KC

Systems

If the PTO is engaged while the hopper is tilted up.

Engine

Engine Specifications: See your Engine Owner’s Manual

RPM: Full Speed: 3600 ±50 RPM (No Load)

Idle: 1500 RPM

Fuel System

Capacity: 7.5 gal. (28 L)

Type of Fuel: Regular unleaded gasoline, 87 octane or higher; containing no more than 10% methanol or ethanol.

Fuel Filter: In-line 30 Micron Kohler P/N 2405010.

Fuel Shut-Off Valve: 1/4 turn increments in-line valve by fuel filter.

Electrical System

Charging System: Flywheel Alternator

Charging Capacity: 15 amps

Battery Type: BCI Group U1

Battery Voltage: 12 Volt

Polarity: Negative Ground

Fuses: Two 20 amp and one 30 amp blade type

Safety Interlock System:

PTO must be disengaged, brake engaged, and speed control lever in neutral position to start engine. (It is not necessary for the operator to be in the seat to start the engine.)

Operator must be in seat when PTO is engaged, brake is disengaged, or speed control lever is moved out of neutral or engine will stop.

Engine will stop in the following conditions:

If the speed control lever is moved from neutral position while brake is engaged.

Operator Controls

Steering and Motion Control:

Speed Control lever, located on RH console, sets maximum forward speed.

Steering levers, centered in front of the seat, control the speed and direction of travel of the respective drive wheels.

Moving speed control lever rearward to the neutral position places the drive system in neutral.

Note: The unit may be moved in reverse while the speed control is in the neutral position by pulling back on the steering levers.

PTO Engagement Lever: Engages drive to PTO (mower deck) and blower.

Parking Brake Lever: Pull back to engage parking brake.

Seat

Type: Standard seat with high back, foam padded (internal suspension).

Mounting: Seat is hinged to tilt up for access to hydraulic pumps and other components. The seat is held in the tilted position with a link.

Armrests: None.

Seat Safety Switch: Internal to the bottom seat cushion, non serviceable. Time delay module incorporated into the Safety Interlock System eliminates rough ground cut-outs.

Hydrostatic Ground Drive System

Hydrostatic Pumps: Two Hydro Gear variable displacement piston pumps.

Wheel Motors: Hydro Gear planetary reduction motors.

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Exmark 850 manual Specifications, Model Numbers, Systems

0, 850 specifications

The Exmark 850 is a top-of-the-line commercial mower, known for its durability, efficiency, and advanced features, making it a favorite among landscaping professionals. With a powerful engine and innovative technology, the Exmark 850 is designed to tackle tough mowing tasks while ensuring a high-quality cut.

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The cutting deck of the Exmark 850 is engineered with precision, utilizing Exmark's proprietary UltraCut technology. This technology ensures that grass is cut evenly and efficiently, resulting in a clean, manicured appearance. The deck height is easily adjustable, allowing users to quickly change settings to accommodate different lawn conditions and preferences.

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Ergonomics play a crucial role in the design of the Exmark 850. The operator station is thoughtfully crafted with optimal controls and comfortable seating, allowing for easy maneuverability and long-term use. The ergonomic handles and intuitive control layout make it easy for operators to navigate tricky landscapes, enhancing overall efficiency.

In terms of durability, the Exmark 850 is built to withstand the rigors of commercial use. The high-quality materials and construction ensure that this mower can handle challenging conditions, extending its lifespan and reducing maintenance needs. Additionally, Exmark offers an extensive warranty program, providing peace of mind for operators.

Safety features are also prioritized in the Exmark 850, with guards and shields designed to protect the operator while mowers are in use. These features also include emergency shut-off systems and blade brake systems, ensuring compliance with safety standards.

Overall, the Exmark 850 stands out as a high-performing, reliable, and efficient mower suitable for a variety of commercial landscaping tasks. With its powerful engine, advanced cutting technology, ergonomic design, and emphasis on durability and safety, it continues to be a top choice for professionals seeking high-quality lawn care equipment.