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Husqvarna YTH21K46 Lawn Tractor
The
Husqvarna YTH21K46 lawn tractor was manufactured from 2012 to 2013. The
components of Husqvarna YTH21K46 driveline system: a 36.4 cubic inches (597 cc)
Kohler Courage SV610 4-cycle single-cylinder vertical shaft air-cooled gasoline
engine with a rated power of 21 hp (15.7 kW), and Tuff Torq K46 belt-driven
hydrostatic transmission with infinite forward and reverse gears.
The engine has a carburetor with fixed main jet, pulse type fuel pump,
and full pressure lubrication with full-flow oil filter. The maximum
forward speed - 5.2 mph (8.4 km/h), maximum reverse speed - 2.9 mph (4.7
km/h). The Husqvarna YTH21K46 is equipped with a manual steering system,
disc brakes, 15x6.00-6 front tires, and 20x8.00-8 rear tires. The wheel
base is 48 in (1220 mm).
The lawn tractor is compatible with a 46" mid-mount 3-blade side
discharge mower deck with cutting height of 1.5-4.5" (37-115 mm), 6 cut
positions, and manual lift system.
| 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 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 |
| PTO Operational Type |
Independent |
| PTO Clutch |
Manual |
| PTO Speed, rpm |
3600 |
| 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) |
| 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 |
| 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) |
| 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 |
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| Lawn and Garden Tractors Technical Specs |
