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Husqvarna YTH21K46 Technical Specs

General Information

Tractor Model ..................... Husqvarna YTH21K46
Tractor Type ..................... Lawn tractor
Manufacture Years ..................... 2012
Fuel Type ..................... Gasoline
Attachments ..................... Mower Deck

Husqvarna YTH21K46 Engine Specifications

Engine Model ..................... Kohler Courage SV610
Engine Type ..................... Gasoline, 4-cycle single-cylinder vertical shaft air-cooled
Number of Cylinders ..................... 1
Displacement, cu.in (cc) ..................... 36.4 (597)
Engine Bore, in (mm) ..................... 3.70 (94.0)
Engine Stroke, in (mm) ..................... 3.38 (86.0)
Rated Engine Power, hp (kW) ..................... 21.0 (15.7)
Rated Engine Speed, rpm ..................... 3600
Low Idle Speed, rpm ..................... 1450-1550
Maximum Torque, Nm (ft-lbs) ..................... 46.5 (34.4)
Torque Speed, rpm ..................... 2800
Compression ..................... 8.5:1
Fuel System Type ..................... Carburetor
Carburetor Type ..................... Fixed main jet
Fuel Pump ..................... Pulse type
Governor ..................... Mechanical type
Lubrication ..................... Full pressure
Oil filter ..................... Full-flow type
Air Cleaner ..................... Replaceable, paper element
Spark Plug Type ..................... Champion RC12YC or QC12YC
Spark Plug Gap, in (mm) ..................... 0.030 (0.76)
Module Air Gap, in (mm) ..................... 0.008-0.012 (0.203-0.305)
Intake Valve Clearance, in (mm) ..................... 0.0015-0.0030 (0.038-0.076)
Exhaust Valve Clearance, in (mm) ..................... 0.0020-0.0035 (0.050-0.088)
Fuel Tank Capacity, gal (L) ..................... 2.5 (9.5)
Oil Capacity, qts (L) ..................... 1.6 (1.5)

Electrical System

Electrical System Rating, Volts ..................... 12
Charging System Rating, Amps ..................... 8A
Starter Type ..................... Electric
Number of Batteries ..................... 1
Battery Rating ..................... 12V, 400 CCA
Battery, AH ..................... 28
Electric Ground ..................... Negative

Power Take Off

PTO Operational Type ..................... Independent
PTO Clutch ..................... Manual
PTO Speed, rpm ..................... 3600

Husqvarna YTH21K46 Transmission

Transmission Model ..................... Tuff Torq K46
Transmission Type ..................... Belt-driven hydrostatic
Number of Forward Gears ..................... Infinite
Number of Reverse Gears ..................... Infinite
Drive Train ..................... Transaxle with foot-controlled variable speed drive
Reduction Ratio ..................... 21.53:1
Axle Shaft Size, in (mm) ..................... 0.75 (19.1)
Transaxle Capacity, qts (L) ..................... 2.8 (2.6)
Maximum Forward Speed, mph (kph) ..................... 5.2 (8.4)
Maximum Reverse Speed, mph (kph) ..................... 2.9 (4.7)

Wheels and Tires

Drive Wheels ..................... 2WD 4x2
Steering Configuration ..................... Front steer
Steering System ..................... Manual
Brakes Type ..................... Disc
Front Tire Size ..................... 15x6.00-6
Rear Tire Size ..................... 20x8.00-8

Dimensions and Weight

Wheelbase, in (mm) ..................... 48 (1220)
Length, in (mm) ..................... 69.2 (1750)
Height, in (mm) ..................... 41.5 (1050)
Overall Width, in (mm) ..................... 48 (1220)
Ground Clearance, in (mm) ..................... 6.5 (165)
Weight, lb (kg) ..................... 439 (199)

Husqvarna YTH21K46 Attachments

46" Mower Deck

Mower Deck Type ..................... Mid-mount
Number of Blades ..................... 3
Cutting Methods ..................... Side discharge
Cutting Deck Type ..................... Stamped, reinforced
Cutting Width, in (mm) ..................... 46 (1160)
Overall Width, in (mm) ..................... 57 (1440)
Cutting Height, in (mm) ..................... 1.5-4.0 (37-100)
Cut positions ..................... 6
Anti-Scalp Wheels ..................... 4
Lift System ..................... Mechanical