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Bulldog HR4

Lanz Bulldog HR4

Last Updated: September 2024

Overview

The Lanz Bulldog HR4 is a classic 2-wheel drive tractor known for its simple design and reliable performance. It features a gear transmission with 3 forward and 3 reverse gears, giving farmers good control over their work speed.

The heart of this tractor is its unique single-cylinder engine made by Lanz. This big engine runs on oil and is cooled by liquid, using a special thermosyphon system. It has a large displacement of 628.5 cubic inches, with a bore of 8.858 inches and a stroke of 10.24 inches. The engine operates at a slow 500 rpm but still produces a solid 28 horsepower. This makes the Bulldog HR4 a strong worker for its time, capable of handling tough farm tasks. The tractor also comes with a category III hitch, allowing it to work with a wide range of farm implements.

Key Specifications

Power Output: 28 hp (20.9 kW)

Transmission: Gear

Drive Type: 2WD

Fuel Type: Oil

Lanz Bulldog HR4 vs. Similar Tractors

Power Output

The Power Output for the Lanz Bulldog HR4 is Below Average. It is greater than 21% of similar Utility tractors in our database.

Horsepower distribution of Utility tractors

(across 6.6K+ tractors in our database)

Engine Displacement

The Engine Displacement for the Lanz Bulldog HR4 is Excellent. It is greater than 95% of similar Utility tractors in our database.

Engine displacement distribution of Utility tractors

(across 1K+ tractors in our database)

Engine Rated RPM

The Engine Rated RPM for the Lanz Bulldog HR4 is Poor. It is greater than 0% of similar Utility tractors in our database.

Engine rated RPM distribution of Utility tractors

(across 1K+ tractors in our database)

Technical Specifications

Engine

Manufacturer: Lanz
Cooling Type: Liquid
Fuel Type: Oil
Cylinders: 1
Displacement: 628 ci (10.3 L)
Bore: 8.86 in (225.0 mm)
Stroke: 10.24 in (260.1 mm)
Rated RPM: 500
Power Output: 28 hp (20.9 kW)