Overview
The Lanz Bulldog D7506 is a 24.5 hp farm tractor manufactured in Mannheim, Germany, from 1935 to 1952. It is powered by a 4.7L single-cylinder liquid-cooled diesel engine and features a two-wheel-drive system with an open operator station. The tractor is built on a 66.1-inch wheelbase and weighs 4,982 lbs with 11.2 inches of ground clearance.
Ideal Applications
Transmission Configuration:
The D7506 model is equipped with a gear transmission providing six forward and two reverse speeds, which distinguishes it from the 3-speed D7500 variant.
Engine Specifications:
The liquid-cooled diesel engine features a 286.8 cubic inch displacement with a bore and stroke of 6.693x8.268 inches and a rated speed of 850 RPM.
Chassis and Dimensions:
The machine has a total length of 117.3 inches and a width of 63 inches, utilizing 6.00-20 front tires and 11.25-24 rear tires.
Production
| Description | Built in Mannheim, Baden-Württemberg, Germany |
|---|---|
| Manufacturer | Lanz |
Engine
| Aux. fuel | 1.85 gal (7.0 L) |
|---|---|
| Engine type | Lanz 4.7L 1-cyl diesel |
| Fuel tank | 13.2 gal (50.0 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 | 6 forward and 2 reverse |
|---|---|
| Transmission type | 6-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
|---|---|
| Drive type | Two-wheel drive |
Dimensions & Tires
| Ground clearance | 11.2 inches (28 cm) |
|---|---|
| Height | 79.7 inches (202 cm) |
| Length | 117.3 inches (297 cm) |
| Weight | 4982 lbs (2259 kg) |
| Wheelbase | 66.1 inches (167 cm) |
| Width | 63 inches (160 cm) |
| Front tire | 6.00-20 |
| Rear tire | 11.25-24 |
| Weight | 4982 lbs (2259 kg) |
| Wheelbase | 66.1 inches (167 cm) |
| Ag front | 6.00-20 |
| Ag rear | 11.25-24 |
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 |