The Wheel Horse RJ-58 is a compact lawn tractor with a rated output of 4 hp, produced in 1958. It features a 1-cylinder petrol air-cooled engine, transmitting power through a 2-wheel drive system with a 3-speed gearbox. The RJ-58 is suitable for tasks involving areas of up to 200 acres. Specifications are provided in both imperial 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
24 rows
Recorded power
4 hp
Transmissions
3-speed gear
Production years
1958-1958
Verified variants
0
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Overview
ManufacturerWheel HorseReference
Lawn tractorReference
Built in South Bend, Indiana, USAReference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference
Engine
4HP Kohler 145cc 1-cyl gasolineReference
3.6HP Clinton 1-cyl gasolineReference
Kohler B-1290Reference
gasolineReference
1-cylinderReference
air-cooled horizontal-shaftReference
Displacement8.86 ciReference
Bore/Stroke59 x 51 mmReference
Power3.0 kWReference
Rated RPM4000Reference
ClintonReference
air-cooledReference
Power2.7 kWReference
Transmission
3-speed gearReference
TransmissionUni-DriveReference
Typebelt-driven gearReference
Gears3 forward and 1 reverseReference
Dimensions
Width81 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
