Exmark Lawn mower COMMERCIAL 21 - Manual (Page 11)

Specifications
Specifications
Model Numbers
Serial Nos: 312,000,000 and Higher
ECSKAP21; ECSKA21; ECXKA21; ECXHN21; ECXKABBC21; ECXHNBBC21
Systems
Engine
• Engine Specifications: See your Engine Owner’s
Manual
• Engine Oil Type: Exmark 4–Cycle Premium
Engine Oil
• RPM: 3300 RPM (No Load)
Fuel System
• Capacity:
ECSKA21 and ECSKAP21 Units:
2.0 qt (1.9 L)
All other units: 4.0 qt (3.8 L)
• Fuel Recommendations:
– For best results, use only clean, fresh, unleaded
gasoline with an octane rating of 87 or higher
((R+M)/2 rating method).
– Oxygenated fuel with up to 10% ethanol or
15% MTBE by volume is acceptable.
– Do Not use ethanol blends of gasoline (such
as E15 or E85) with more than 10% ethanol
by volume. Performance problems and/or
engine damage may result which may not be
covered under warranty.
– Do Not use gasoline containing methanol.
– Do Not store fuel either in the fuel tank or
fuel containers over the winter unless a fuel
stabilizer is used.
– Do Not add oil to gasoline.
• Fuel Filter: Non-replaceable, in tank
• Fuel Shut-Off Valve:
ECSKA21 and ECSKAP21 Units Do Not have a
shut-off valve.
All other units have a shut-off valve.
Safety Interlock System
For units without a Blade Brake Clutch: Operator
must have the blade control bail depressed to start
the engine. Releasing the blade control bail will cause
the engine to stop.
Transmission (Self Propelled Units)
Variable
Speed Range: 0–4.2 mph (6.8 km/hr)
Cutting Deck
• Cutting Width: 21 inches (53.3 cm)
• Blade Brake: When the blade engagement control
is moved to the disengaged position a friction
brake pad stops the rotation of the blades.
• Blade Size: (1 ea.): 20.88 inches (53.0 cm)
• Deck: 21 inches rigid. Deck design allows for
bagging, mulching or rear discharge.
• Cutting Height Adjustment:
Adjusts from 1 inch (2.5 cm) to 4 1/2 inches (11.4
cm) in 1/2 inch (1.3 cm) increments.
• Mulching Kit: Standard on ECXKA21;
ECXHN21; ECXKABBC21, and
ECXHNBBC21 Units
Dimensions
Curb Weight:
98-122 lb (44-55 kg) Weights may vary slightly
depending on engine option.
Overall Width:
22 inches (55.9 cm)
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