Lanz
Lanz Bulldog D7521
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.
Power-
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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 |