Overview
The Lanz Bulldog D9531 is a standard-tread farm tractor manufactured in Mannheim, Germany, between 1935 and 1955. It is powered by a 10.3L single-cylinder liquid-cooled diesel engine rated at 44.1 hp and is equipped with a 6-speed gear transmission. This 8444-pound model features a two-wheel drive system, an open operator station, and a 23.8-gallon fuel capacity.
Ideal Applications
Engine Specifications:
The power plant is a 628.5 ci single-cylinder diesel engine with a rated speed of 630 RPM and a bore/stroke of 8.858x10.24 inches.
Transmission and Drive:
The mechanical layout includes a gear-type transmission with 6 forward and 2 reverse gears, delivering power to 10.50-24 rear ag tires.
Variant Classification:
The D9531 is identified as a high-speed road model within the series, featuring a 77.8-inch wheelbase and 9.5 inches of ground clearance.
Production
| Description | Standard-tread tractor / Built in Mannheim, Baden-Württemberg, Germany |
|---|---|
| Manufacturer | Lanz |
Engine
| Engine type | Lanz 10.3L 1-cyl diesel |
|---|---|
| Fuel tank | 23.8 gal (90.1 L) |
| Bore/Stroke | 8.858x10.24 inches (225 x 260 mm) |
| Description | Lanz / diesel / 1-cylinder / liquid-cooled |
| Displacement | 628.5 ci (10.3 L) |
| Power | 44.1 hp (32.9 kW) |
| Rated RPM | 630 |
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
| Front tread | 53.4 inches (135 cm) |
|---|---|
| Ground clearance | 9.5 inches (24 cm) |
| Height | 88.6 inches (225 cm) |
| Length | 129.9 inches (329 cm) |
| Rear tread | 66.5 inches (168 cm) |
| Weight | 8444 lbs (3830 kg) |
| Wheelbase | 77.8 inches (197 cm) |
| Front tire | 7.00-20 |
| Rear tire | 10.50-24 |
| Weight | 8444 lbs (3830 kg) |
| Wheelbase | 77.8 inches (197 cm) |
| Ag front | 7.00-20 |
| Ag rear | 10.50-24 |
Variants
| D9500 | 3-speed |
|---|---|
| D9506 | 6-speed |
| D9511 | combination model for road and field use, front-axle springs |
| D9531 | high-speed road model |
| D9539 | high-speed road model with solid cab |