Toro LX420 lawn tractor specs and service data

The Toro LX420 is a lawn tractor model from the LX series, manufactured from 2006 to 2007 by MTD for Toro. It was available in two-wheel drive (2WD) version.

The Toro LX420 is equipped with a 535 cc (32.6 cu·in) single-cylinder gasoline engine with 89.0 mm (3.5 in) of the cylinder bore and 86.0 mm (3.39 in) of the piston stroke, and a mechanical CVT transmission with infinite forward and reverse gears.

The Toro LX420 lawn tractor features:

The Kohler Courage SV540 gasoline engine which produces 18.2 PS (13.4 kW; 18.0 HP) at 3,600 rpm of horsepower.
Manual steering
Dry disc brakes
Open operator station
Independent front PTO with manual clutch

General specifications

General Specifications
Model	Toro LX420
Tractor type	Lawn tractor
Production years	2006-2007
Factory	–
Dimensions and weight
Length	1,730 mm (68.1 in)
Width	1,145 mm (45.1 in)
Height	1,090 mm (42.9 in)
Wheel base	1,170 mm (46.1 in)
Ground clearance	115 mm (4.5 in)
Weight	226 kg (498 lbs)
Fuel capacity
Fuel tank capacity	11.4 liters (3 US gal.; 2.5 Imp. gal)

Engine

Engine
Engine model	Kohler Courage SV540
Engine type	Four-stroke, air-cooled
Cylinders	1
Fuel type	Gasoline
Displacement	535 cm³, (32.6 cu·in)
Bore and stroke	89.0 mm X 86.0 mm (3.5 in X 3.39 in)
Compression ratio	8.5:1
Horsepower	18.2 PS (13.4 kW; 18.0 HP) at 3,600 rpm
Torque	43.5 N·m (4.4 kg·m, 32.1 ft·lb) at 2,200 rpm
Starter	Electric
Oil system
Lubrication system:	Full pressurized
Oil type:	API SJ or higher
Recommended oil:	SAE 10W-30
Oil capacity (with filter):	1.5 L (1.6 US.qts, 1.32 Imp. qts)
Ignition system
Spark plug:	Champion RC12YC
Spark plug gap:	0.76 mm (0.0299 in)
Spark plug torque:	27 N·m (2.8 kg·m, 19.9 ft·lb)
Valve clearance
Intake valve clearance:	0.127 mm (0.005 in)
Exhaust valve clearance:	0.178 mm (0.007 in)

Transmission and chassis

Chassis, steering and brakes
Chassis	4×2 2WD
Steering type	Manual
Brakes	Dry disc
Transmission
Transmission manufacturer or model	–
Transmission type	Mechanical CVT
Gears	Infinite forward and reverse
Speed	Forward: 8.8 kmh (5.5 mph) Reverse: 3.7 kmh (2.3 mph)

Tires

Tires
Front tires	Lawn/turf: 15x6x6
Rear tires	Lawn/turf: 20x8x8

PTO (Power take-off shaft)

PTO
Front PTO type	Independent with manual clutch
Front PTO speed	–

Electrical system

Electrical system
Ground	Negative
Charging system	–
Charging amps	–
Battery	12V

Attachments

Available attachments
Toro mower deck	1,060 mm (42 inches), mid-mount, 2-balde
Toro blade	1,160 mm (46 inches), front-mount
Toro snowblower	1,060 mm (42 inches), front-mount, two-stage

Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

Toro LX420