Introduction
Husqvarna YTH21K46 Lawn Tractor
The Husqvarna YTH21K46 is a lawn tractor produced between 2010 and 2012, designed primarily for residential lawn maintenance and mowing tasks.
Engine and Performance
The tractor is powered by an air-cooled, vertical-shaft engine with a displacement of 597 cc. It delivers a gross power output of 21 hp (15.7 kW). The engine features an 8.5:1 compression ratio and utilizes a Champion RC12YC spark plug with a gap of 0.030 inches. Routine maintenance includes an oil change interval of 50 hours.
Transmission and Drive System
Equipped with a Tuff Torq K46 hydrostatic transmission, the unit offers infinite forward and reverse gears, controlled via a belt-driven system. This configuration allows for smooth speed adjustments without manual shifting. The transmission is a sealed unit, for which the manufacturer does not recommend owner servicing.
Chassis and Dimensions
The tractor features a two-wheel drive system supported by a durable cast-iron front axle. It measures 175 cm in length, 121 cm in width, and 105 cm in height, with a wheelbase of 121 cm. The machine has a total weight of 199 kg. It is fitted with lawn and turf tires, sized 15x6-6 at the front and 20x8-8 at the rear.
Electrical and PTO
The electrical system operates on 12 volts, powered by a battery with a 28 AH capacity and 230 CCA. Starting is achieved through an electric starter. The tractor includes an independent mid-PTO, which is engaged via a manual clutch, facilitating the operation of the 46-inch mower deck.
Conclusion
The Husqvarna YTH21K46 is a standard lawn tractor suited for homeowners with medium-to-large grassy areas, offering a balance of maneuverability through its hydrostatic transmission and durability provided by its cast-iron front axle.
Production Information of Husqvarna, YTH21K46
- Lawn tractor
- Original price was $1600 in 2013
| Manufacturer | Husqvarna |
|---|
Dimension and Tires Information of Husqvarna, YTH21K46
| Wheelbase | 48 inches [121 cm] |
|---|---|
| Weight | 439 lbs [199 kg] |
| Height | 41.4 inches [105 cm] |
| Length | 69.2 inches [175 cm] |
| Front axle | Cast-iron |
| Width | 48 inches [121 cm] |
| Lawn/turf front | 15x6-6 |
|---|---|
| Lawn/turf rear | 20x8-8 |
Engine Specifications of Husqvarna, YTH21K46
- Air-cooled vertical-shaft
- Image courtesy of Luis V.
| Sparkplug | Champion RC12YC |
|---|---|
| Displacement | 597 cc [36.43 ci] |
| Compression | 8.5:1 |
| Bore/Stroke | 3.701x3.386 inches [94 x 86 mm] |
| Oil change | 50 h |
| Sparkplug gap | 0.030 inches [0.762 mm] |
| Starter volts | 12 |
| Starter | Electric |
| Power (gross) | 21 hp [15.7 kW] |
Transmission Information of Husqvarna, YTH21K46
Transmission variants 1
| Transmission | Tuff Torq K46 |
|---|---|
| Oil change | Sealed unit, owner service is not recommended |
| Type | Belt-driven hydrostatic |
| Gears | Infinite forward and reverse |
Mechanical Specs of Husqvarna, YTH21K46
- Two-wheel drive
- Open operator station with high-back seat.
Power Information of Husqvarna, YTH21K46
| Mid PTO | Independent |
|---|---|
| Clutch | Manual |
Electrical System of Husqvarna, YTH21K46
| Battery Group | U1R |
|---|---|
| Ground | Negative |
| Battery volts | 12 |
| Battery CCA | 230 |
| Charging amps | 3 (battery) |
| Battery AH | 28 |
| Battery AH(optional) | 5 (headlights) |
Where it sits
With 21 HP, the Husqvarna YTH21K46 sits between YTH20K46 (20 HP) and 2246LS (22 HP) in Husqvarna's range. Its power puts it in the 32th percentile of 2010s models in our database (783 machines).
Frequently asked questions
How much horsepower does the Husqvarna YTH21K46 have?
The Husqvarna YTH21K46 delivers 21 HP.
What years was the Husqvarna YTH21K46 produced?
The Husqvarna YTH21K46 was produced in 2010-2012.
What transmission does the Husqvarna YTH21K46 use?
The Husqvarna YTH21K46 uses a Tuff Torq K46 transmission.
How much does the Husqvarna YTH21K46 weigh?
The Husqvarna YTH21K46 weighs 439 lbs [199 kg].
Is the Husqvarna YTH21K46 4WD?
The Husqvarna YTH21K46 is available in 2WD.