Hydrostatic Ground Drive System

Exmark 4500-501 Rev A manual Hydrostatic Ground Drive System, Tires & Wheels, Cutting Deck

Specifications

•Mounting: Hinged to tilt up for access to hydraulic pumps, battery and other components. Held in tilted position with scissor—type links. Adjustable fore and aft seat track.

•Armrests: Molded adjustable flip-up armrests.

•Seat Safety Switch: Incorporated into the Safety Interlock System. Time delay seat switch eliminates rough ground cut-outs.

•Hydrostatic Pumps: Two Hydro Gear PW variable displacement piston pumps.

•Wheel Motors: Two Parker/Ross with 1 1/4 inch tapered shafts.

•Hydraulic Oil Type: Exmark Premium Hydro oil.

•Hydraulic Oil Capacity: 5.5 qt. (5.2 L)

•Hydraulic Filter: Replaceable cartridge type.

P/N 103-2146: 25 microns, No bypass

•Speeds:

–0-12.0 mph (19.3 km/hr) forward.

–0-8.0 mph (12.9 km/hr) reverse.

•Drive wheel release valves allow machine to be moved when engine is not running.

Tires & Wheels

	Drive	Front Caster
	Pneumatic	Semi-Pneumatic
	(Air-Filled)
Deck Size	60, 66, & 72	All Decks

Quantity	2	2
Tread Size	“Multi-Trac	Smooth
	C/S”
Size	26 x 12.00-12	13 x 6.50-6

Ply Rating	4

Pressure	10 psi (69 kPa)

Cutting Deck

•Cutting Width:

–60 inch (152.4 cm)

–66 inch (167.6 cm)

–72 inch (182.9 cm)

•Discharge: Side

•Blade Size: (3 ea.)

–60 inch Deck: 20.75 inches (52.7 cm)

–66 inch Deck: 22.75 inches (57.8 cm)

–72 inch Deck: 24.75 inches (62.9 cm)

•Blade Spindles: Solid steel spindles with 1.18 inch (30 mm) I.D. bearings.

•Deck Drive:

–Electric clutch mounted on horizontal engine shaft. “B” Section belt (with self-tensioning idler) from electric clutch to transfer shaft mounted on deck.

–Blades are driven by one “B” Section belt (w/self-tensioning idler) from transfer shaft on deck to blade spindles.

•Deck:

Full floating deck is attached to out-front support frame. Six anti-scalp rollers provide maximum turf protection. Deck design allows for bagging, mulching or side discharge.

•Deck Depth:

–60 inch Deck: 6.0 inches (15.2 cm)

–66 inch Deck: 6.0 inches (15.2 cm)

–72 inch Deck: 6.0 inches (15.2 cm)

•Cutting Height Adjustment:

An extra-long cushioned lever is used to adjust the cutting height from 1 inch (2.5 cm) to 5 inches (12.7 cm) in 1/4 inch (6.4 mm) increments. The cutting height adjustment handle has a transport position and all adjustments can be made while the operator remains seated. Units also have a foot operated deck lift assist lever to aid in raising the deck.

•Mulching Kit: Optional.