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Husqvarna YTH20K42 Lawn Tractor
The
Husqvarna YTH20K42 lawn tractor was manufactured between 2017 and 2022. The
Husqvarna YTH20K42 driveline consists of Kohler KT715 7000 Series 4-cycle V-Twin
cylinder OHV air-cooled gasoline engine and Tuff Torq K46 belt-driven
hydrostatic transmission with foot-controlled variable speed drive.
A 44.2 cubic inches (725 cc) engine has a cylinder bore of 3.27" (83
mm), piston stroke of 2.64" (67 mm), and maximum power of 20 hp (14.8
kW). The fuel system has a fixed main jet carburetor and pulse type fuel
pump. The maximum forward speed - 5.2 mph (8.4 kph), maximum reverse
speed - 2.9 mph (4.7 kph).
The Husqvarna YTH20K42 lawn tractor is equipped with a manual steering
system, disc brakes, 15x6.00-6 front tires, and 20x10.00-8 rear tires.
Compatible attachments for the tractor: 42" mid-mount 2-blade side
discharge mower deck with cutting height of 1.5-4.0 in (38-101 mm), six
cut positions, and mechanical lift system with hand operated.
| Engine Model |
Kohler KT715 7000 Series |
| Engine Type |
Gasoline, 4-cycle V-Twin OHV air-cooled |
| Number of Cylinders |
2 |
| Displacement, cu.in (cc) |
44.2 (725) |
| Engine Bore, in (mm) |
3.27 (83.0) |
| Engine Stroke, in (mm) |
2.64 (67.0) |
| Maximum Engine Power, hp (kW) |
20.0 (14.8) |
| Maximum Engine Speed, rpm |
3600 |
| Idle Speed, rpm |
1700-1800 |
| Compression |
9.1:1 |
| Fuel System Type |
Carburetor |
| Carburetor Type |
Fixed main jet |
| Fuel Pump |
Pulse type |
| Governor |
Mechanical |
| Lubrication |
Full pressure |
| Oil filter |
Full-flow type |
| Air Cleaner |
Replaceable, paper element |
| Spark Plug Type |
Champion RC12YC or NGK CS6 |
| 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 (Cold), in (mm) |
0.004-0.006 (0.10-0.15) |
| Exhaust Valve Clearance (Cold), in (mm) |
0.004-0.006 (0.10-0.15) |
| Fuel Tank Capacity, gal (L) |
2.5 (9.5) |
| Oil Capacity, qts (L) |
2.0 (1.9) |
| Electrical System Rating, Volts |
12 |
| Charging System |
Alternator 15A |
| Starter Type |
Electric |
| Number of Batteries |
1 |
| Battery Voltage, Volts |
12 |
| 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 |
20x10.0-8 |
| Wheelbase, in (mm) |
48 (1220) |
| Length, in (mm) |
69.3 (1760) |
| Height, in (mm) |
41.5 (1050) |
| Overall Width, in (mm) |
48 (1220) |
| Ground Clearance, in (mm) |
7 (175) |
| Weight, lb (kg) |
451 (205) |
| Mower Deck Type |
Mid-mount |
| Number of Blades |
2 |
| Cutting Methods |
Side discharge |
| Cutting Deck Type |
Stamped, reinforced |
| Cutting Width, in (mm) |
42 (1070) |
| Overall Width, in (mm) |
49 (1245) |
| Cutting Height, in (mm) |
1.5-4.0 (37-100) |
| Cut positions |
6 |
| Anti-Scalp Wheels |
2 |
| Lift System |
Mechanical |
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| Lawn and Garden Tractors Technical Specs |
