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Specifications, Model numbers systems dimensions, Model numbers – Exmark Commercial 21 4500-686 Rev. B User Manual

Page 12: Systems, Dimensions

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Specifications

Specifications

Model Numbers

Serial Nos: 920,000 and Higher

ECSKAP21; ECSKA21; ECSHN21; ECXKA21; ECXHN21; ECXKABBC21; ECXHNBBC21

Systems

Engine

Engine Specifications: See your Engine Owner’s
Manual

Engine Oil Type: Exmark 4–Cycle Premium
Engine Oil

RPM:

– ECSHN21: 3000 RPM (No Load)

– All units except ECSHN21: 3300 RPM (No

Load)

Fuel System

Capacity:

ECSHN21, ECSKA21 and ECSKAP21 Units:

2.0 qt (1.9 L)

All other units: 4.0 qt (3.8 L)

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

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

Rear Discharge Kit: Optional

Dimensions

Curb Weight:

98-122 lb (44-55 kg) Weights may vary slightly
depending on engine option.

Overall Width:

22 inches (55.9 cm)

Overall Length and Height at
2 1/2 inch Cutting Height:

Handle Setting

Length

Height

High

61.00 inches
(154.9 cm)

39.00 inches
(99.1 cm)

Medium

63.00 inches
(160.0 cm)

37.50 inches
(95.3 cm)

Low

64.50 inches
(163.8 cm)

35.00 inches
(88.9 cm)

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