Specifications

Specifications

Model Numbers

Serial Nos: 790,000 and Higher

MPKA21; MPKA21CA; MSKA21; MSKA21CA; MSKA21B; MSKA21BCA; MSHN21; MSHN21B

Systems

Engine

Engine Specifications: See your Engine Owner’s Manual

RPM: 3300 (No Load)

Fuel System

• Capacity:

MPKA21, MSKA21, and MSKA21B Units: 4.0 qt (3.8 L)

MPKA21CA, MSKA21CA, and MSKA21BCA Units: 2.1 qt (2.0 L)

Honda Units: 2.1 qt (2.0 L)

Type of Fuel: Regular unleaded gasoline, 87 octane or higher.

Fuel Filter: Non-replaceable, in tank

Fuel Shut-Off Valve: MPKA21, MSKA21, and

MSKA21B and Honda Units: In-line 1/4 turn increments.

MPKA21CA, MSKA21CA, and MSKA21BCA Units Do Not have a shut-off valve.

Safety Interlock System

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 side discharge.

Cutting Height Adjustment:

Adjusts from 3/4 inches (1.9 cm) to 3 1/4 inches (8.3 cm) in 1/2 inch (1.3 cm) increments.

Mulching Kit: Standard

Side Discharge Kit: Optional

Dimensions

Curb Weight:

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

Overall Width:

22.25 inches (56.5 cm)

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)

3 speeds forward

Speed Range:

1st–2.0 mph (3.2 km/hr)

2nd–2.9 mph (4.6 km/hr)

3rd–4.1 mph (6.6 km/hr)

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Exmark MPKA21 manual Specifications, Model Numbers, Systems, Dimensions