Overview
The Lanz Bulldog D7500 is a German-built farm tractor featuring a 4.7L 1-cylinder diesel engine and a 2199 kg operating weight. Produced in Mannheim between 1935 and 1952, this liquid-cooled machine provides a 3-speed gear transmission and an open operator station designed for standard-tread agricultural tasks.
Ideal Applications
Basic Farm Operations:
Utilizes a 24.5 hp diesel engine and a 3-speed gear transmission to handle standard-tread agricultural duties on a two-wheel drive platform.
Versatile Field and Road Work:
The platform offers specialized variants like the D7511 with front-axle springs and the D7531 express model with high-speed gearing for diverse operational environments.
Long-Duration Tasks:
Equipped with a 14.5 gallon fuel tank and a liquid-cooled 1-cylinder engine, making it suitable for consistent performance at a rated 850 RPM.
Production
| Description | Standard-tread tractor / Built in Mannheim, Baden-Württemberg, Germany |
|---|---|
| Manufacturer | Lanz |
Engine
| Engine type | Lanz 4.7L 1-cyl diesel |
|---|---|
| Fuel tank | 14.5 gal (54.9 L) |
| Bore/Stroke | 6.693x8.268 inches (170 x 210 mm) |
| Coolant capacity | 27.5 qts (26.0 L) |
| Description | Lanz / diesel / 1-cylinder / liquid-cooled |
| Displacement | 286.8 ci (4.7 L) |
| Oil capacity | 5.3 qts (5.0 L) |
| Power | 24.5 hp (18.3 kW) |
| Rated RPM | 850 |
Transmission
| Gears | 3 forward and 1 reverse |
|---|---|
| Transmission type | 3-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Description | Manual steering |
| Drive type | Two-wheel drive |
Dimensions & Tires
| Front tread | 43.7 inches (110 cm) |
|---|---|
| Ground clearance | 11.4 inches (28 cm) |
| Height | 79.3 inches (201 cm) |
| Length | 107.7 inches (273 cm) |
| Rear tread | 42.8 inches (108 cm) |
| Weight | 4850 lbs (2199 kg) |
| Wheelbase | 66.3 inches (168 cm) |
| Width | 61.8 inches (156 cm) |
| Weight | 4850 lbs (2199 kg) |
| Wheelbase | 66.3 inches (168 cm) |
Variants
| D7500 | 3-speed |
|---|---|
| D7506 | 6-speed |
| D7507 | 6-speed, with starter |
| D7511 | combination for both field and road operations, front-axle springs |
| D7521 | traffic model for road operations |
| D7531 | express model with high-speed gearing |