Wheel Horse 551

Name: Wheel Horse 551
Brand: Wheel Horse

Power

5 hp

Production

1961

Engine

Gasoline, 1-cylinder

Transmission

Uni-Drive

Drive

2WD

Under 15 HP 1960s

From the same series:

401

701

Introduction

Wheel Horse 551 Lawn and Garden Tractor

The Wheel Horse 551 is a compact lawn and garden tractor produced in 1961 in South Bend, Indiana, USA. It belongs to a series of light-duty machines designed for residential property maintenance and basic utility tasks during the early 1960s.

Engine and Power

The tractor is powered by a single-cylinder, air-cooled gasoline engine with a displacement of 199 cc (12.176 cubic inches). It produces 5.5 hp (4.1 kW). The engine utilizes a 12-volt electric starting system, which was a standard feature for ease of operation in that era.

Transmission and Drivetrain

The 551 model utilizes a Uni-Drive gear-type transmission, providing three forward gears and one reverse gear. It is configured as a two-wheel-drive machine, featuring manual steering and an open operator station designed for direct control and accessibility.

Equipment and Tires

Designed primarily for mowing applications, the unit is equipped with a 32-inch mower deck. It rides on turf-specific tires, with 16x4.00-8 tires on the front and 22x6.00-12 tires on the rear to minimize soil compaction and protect lawn surfaces. A continuous mid-mounted power take-off (PTO) is available for driving implements.

Conclusion

"The Wheel Horse 551 is a representative example of early 1960s American garden tractor engineering. With its simple mechanical design, manual steering, and mid-PTO capability, it serves as a functional tool for basic lawn care and light utility work."

Introduction

Production Information of Wheel Horse, 551

The production information of the tractor (551) includes details about its manufacturing.

Built in South Bend, Indiana, USA


Manufacturer	Wheel Horse

Dimension and Tires Information of Wheel Horse, 551

This section sums up the dimension and tires information of the tractor.

No data available


Lawn/turf front	16x4.00-8
Lawn/turf rear	22x6.00-12

Engine Specifications of Wheel Horse, 551

Get the specifications for the engine and if different options are available.

Air-cooled

Gasoline

1-cylinder


Power	5.5 hp [4.1 kW]
Displacement	199 cc [12.176 ci]
Starter	Electric
Bore/Stroke	2.625x2.250 inches [67 x 57 mm]
Starter volts	12

Transmission Information of Wheel Horse, 551Y

Discover all variants of transmission available for this tractor model.

Transmission variants 1


Transmission	Uni-Drive
Type	Gear
Gears	3 forward and 1 reverse

Mechanical Specs of Wheel Horse, 551Y

This section summarizes all mechanical information such as the brake system and other specifications.

Two-wheel drive

Manual steering

Open operator station.

Power Information of Wheel Horse, 551Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


Mid PTO	Continuous

Electrical System of Wheel Horse, 551

Battery voltage, charging system and ground.


Ground	Negative
Battery volts	12

Frequently asked questions

How much horsepower does the Wheel Horse 551 have?

The Wheel Horse 551 delivers 5 HP.

What years was the Wheel Horse 551 produced?

The Wheel Horse 551 was produced in 1961.

What engine does the Wheel Horse 551 have?

The Wheel Horse 551 is powered by a Gasoline, 1-cylinder engine.

What transmission does the Wheel Horse 551 use?

The Wheel Horse 551 uses a Uni-Drive transmission.

Is the Wheel Horse 551 4WD?

The Wheel Horse 551 is available in 2WD.

More Wheel Horse models

325 HP · 1962 5025 HP · 1962 5505 HP · 1960 5525 HP · 1962 A-515 HP · 1978 - 1982 A-605 HP · 1976 - 1977 Lawn Ranger5 HP · 1962 - 1973 336 HP · 1963

View all 238 Wheel Horse models →

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