Exmark 920 Lawn Mower User Manual


 
Specications
armrests, integral safety switch, and seat vibration
isolation system.
Optional seat accessories for units with standard
seats:
Custom ride suspension system to enhance
Standard Seat. Adds approximately 3 inches
(7.6 cm) to seat height.
Deluxe suspension seat with high back,
(dampened, adjustable spring suspension),
armrests, and integral safety switch. Adds
approximately 1/2 inch (1.3 cm) to seat height.
Mounting: Adjustable fore and aft on seat tracks.
Armrests: Molded ip-up armrests.
Seat Safety Switch:
Integrated seat switch. Time delay seat switch
eliminates rough ground cut-outs.
Hydrostatic Ground Drive System
Two unitized hydrostatic transmissions:
Hydro Gear ZT3100
Hydraulic Oil Type: Exmark Premium Hydro Oil.
Hydraulic Oil Capacity: 77 oz (2.3 L) per side
Hydraulic Filter: P/N 109-3321
Speeds:
0-8 mph (12.9 km/hr) forward.
0-5 mph (8.0 km/hr) reverse.
Drive wheel release valves allow machine to be
moved when engine is not running.
Tires & Wheels
Drive Front Caster
Pneumatic (Air
lled)
Pneumatic (Air
lled)
Quantity
2 2
Tread
Turf Master Smooth
Size 22 x 9.50-12 13 x 5.00-6
Ply Rating
4 4
Pressure
13 psi (90 kPa) 13 psi (90 kPa)
Cutting Deck
Cutting Width:
44 inch Deck: (111.8 cm)
48 inch Deck: (121.9 cm)
52 inch Deck: (132.1 cm)
Discharge: Side
Blade Size:
44 inch Deck: 22.25 inches (56.5 cm) (2 ea.)
48 inch Deck: 16.25 inches (41.3 cm) (3 ea.)
52 inch Deck: 18.00 inches (45.7 cm) (3 ea.)
Blade Spindles: Solid steel spindles with .98 inch
(25 mm) I.D. bearings.
Deck Drive: “B” Section belt with self-tensioning
idler.
Electric clutch: 175 ft-lb Mag Stop
Deck: Full oating deck is attached to out-front
support frame. Anti-scalp rollers provide
maximum turf protection. Deck design allows for
bagging, mulching or side discharge.
44 inch Deck: 2 anti-scalp rollers
48 inch Deck: 3 anti-scalp rollers
52 inch Deck: 3 anti-scalp rollers
Deck Depth:
44 inch Deck: 5.0 inches (12.7 cm)
48 inch Deck: 5.0 inches (12.7 cm)
52 inch Deck: 5.0 inches (12.7 cm)
Cutting Height Adjustment:
Foot activated lever is used to adjust the cutting
height from 1 1/2 inch (3.8 cm) to 5 inches (12.7
cm) in 1/4 inch (6.4 mm) increments.
Mulching Kit: Optional.
Dimensions
Overall Width:
44 inch
Deck
48 inch
Deck
52 inch
Deck
Without
Deck
45.8 inches
(116.3 cm)
45.8 inches
(116.3 cm)
45.8 inches
(116.3 cm)
Deector
Up
48.2 inches
(122.4 cm)
50.7 inches
(128.8 cm)
54.2 inches
(137.7 cm)
Deector
Down
56.4 inches
(143.3 cm)
59.5 inches
(151.1 cm)
64.3 inches
(163.3 cm)
16