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Lanz Bulldog D7521

Lanz Bulldog D7521 tractor
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The Lanz Bulldog D7521 is a farm tractor produced by Lanz from 1935 to 1952 as part of the D75 Series. It was built in Mannheim, Baden-Württemberg, Germany. The D7521 is a traffic model designed for road operations and features a 4.7L single-cylinder liquid-cooled diesel engine producing 24.5 hp (18.3 kW) at 850 RPM. It has a 6-speed gear transmission and 2WD drive. Variants in the D75 series include models with 3-speed and 6-speed transmissions, some with starters, and specialized models for field, road, and express operations.
Lanz Bulldog D7521Lanz D7521farm tractor4.7L diesel engine24.5 hp6-speed transmission2WDD75 Series
Power-
Founded-
ModelD7521

Technical Specifications

Detailed specifications and technical data for Lanz Bulldog D7521

Power

Engine:24.5 hp (18.3 kW)

Engine

Type:Lanz 4.7L 1-cyl diesel
Power:24.5 hp (18.3 kW)
Details:Lanz diesel 1-cylinder liquid-cooled
Rated RPM:850
Bore/Stroke:6.693x8.268 inches (170 x 210 mm)
Displacement:286.8 ci (4.7 L)

Variants

7521:traffic model for road operations
7531:express model with high-speed gearing
D7500:3-speed
D7506:6-speed
D7507:6-speed, with starter
D7511:combination for both field and road operations, front-axle springs

Mechanical

Drive:2WD

Production

Series:D75 Series
Built in:Mannheim, Baden-Württemberg, Germany
Manufacturer:Lanz
Years produced:1935 - 1952

Transmission

Type:gear
Gears:6 forward