The Wheel Horse RJ-59 is a lawn tractor model rated at 4 hp — making it one of the more compact options in its class. The RJ-59 was manufactured in 1959. Under the hood is a 1-cylinder petrol air-cooled engine, driving through two-wheel drive with a 3-speed gearbox. It is aimed at jobs of around up to 200 ac. The available specification table below shows both UK and US units.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
4 hp
Catalogue coverage
Variants represented
2
Richest spec table
23 rows
Recorded power
4 hp
Transmissions
3-speed gear
Production years
1959-1959
Verified variants
0
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Overview
ManufacturerWheel HorseReference
Built in South Bend, Indiana, USAReference
Two-wheel driveReference
SteeringmanualReference
Open operator station.Reference
Engine
4HP Kohler 145cc 1-cyl gasolineReference
3.6HP Clinton 145cc 1-cyl gasolineReference
Kohler K90Reference
gasolineReference
1-cylinderReference
air-cooledReference
Displacement8.86 ciReference
Bore/Stroke60 x 51 mmReference
Power3.0 kWReference
Rated RPM4000Reference
SparkplugRCJ-8Reference
Clinton B-1290Reference
Bore/Stroke59 x 51 mmReference
Power2.7 kWReference
Transmission
3-speed gearReference
TransmissionUni-DriveReference
TypegearReference
Gears3 forward and 1 reverseReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
