Same brandStandard Tread tractorsSpec sheet
Lanz Bulldog D7531
The Lanz Bulldog D7531 is a classic 2WD tractor known for its simple design and reliable performance. It features a gear transmission with 6 forward gears, making it suitable for various farming tasks. The tractor is powered by a Lanz-made, liquid-cooled diesel engine that's built to last. This Bulldog model stands out with its unique single-cylinder engine. The engine has a displacement of 286.8 ci, which is quite large for a tractor of its size. It boasts a bore of 6.693 inches and a stroke of 8.268 inches, resulting in a powerful output of 24.5 hp at 850 rpm. This combination of features makes the Lanz Bulldog D7531 a sturdy workhorse for small to medium-sized farms, offering a good balance of power and efficiency.
Image not recorded
Key specifications
- Category
- Standard Tread
- Engine power
- 25hp
- Transmission
- Gear
Category comparison
Bulldog D7531 compared with its category
vs. Standard Tread medianDistribution
Engine Power (hp)
All recorded Standard Tread tractors
24.5 hp · 19th
This model
12
Median 45 hp
102
This modelStandard Tread tractorsMediann = 121
The Bulldog D7531 ranks at the 19th percentile for engine power among recorded standard tread tractors.
Overview
About the Lanz Bulldog D7531
The Lanz Bulldog D7531 is a classic 2WD tractor known for its simple design and reliable performance. It features a gear transmission with 6 forward gears, making it suitable for various farming tasks. The tractor is powered by a Lanz-made, liquid-cooled diesel engine that's built to last. This Bulldog model stands out with its unique single-cylinder engine. The engine has a displacement of 286.8 ci, which is quite large for a tractor of its size. It boasts a bore of 6.693 inches and a stroke of 8.268 inches, resulting in a powerful output of 24.5 hp at 850 rpm. This combination of features makes the Lanz Bulldog D7531 a sturdy workhorse for small to medium-sized farms, offering a good balance of power and efficiency.
Full specifications
Recorded specifications
General
| Manufacturer | Lanz |
|---|---|
| Model | Bulldog D7531 |
| Category | Standard Tread tractor |
| Type | 2WD |
Engine
| Make | Lanz |
|---|---|
| Power | 24.5hp(18.27 kW) |
| Cylinders | 1 |
| Displacement | 286.8ci(4.7 L) |
| Bore | 6.69in(170 mm) |
| Stroke | 8.27in(210 mm) |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 6 |
Chassis & drive
| Chassis | 2WD |
|---|---|
| Drive | 2WD |
Closest alternatives
Bulldog D7531 compared with the nearest models by horsepower
The closest standard tread models to the Lanz Bulldog D7531 by rated horsepower are the Lanz Bulldog D7500 and the Lanz Bulldog D7506. The Lanz Bulldog D7500 matches it on rated power. The Lanz Bulldog D7506 matches it on rated power.
| Spec | Lanz Bulldog D7531 | Lanz Bulldog D7500 | Lanz Bulldog D7506 |
|---|---|---|---|
| Engine power | 24.5 hp18.3 kW | 24.5 hp18.3 kW | 24.5 hp18.3 kW |
| Operating weight | - | 4,850 lb2,200 kg | 4,982 lb2,260 kg |
| Weight per hp | - | 198 lb/hp120 kg/kW | 203 lb/hp124 kg/kW |
| Displacement | 286.8 ci4.7 L | 286.8 ci4.7 L | 286.8 ci4.7 L |
| Cylinders | 1 | 1 | 1 |
| Transmission | Gear | Gear | Gear |
| Drive | 2WD | 2WD | 2WD |
Calculators
Calculators for the Bulldog D7531
PTO power
About 20 to 22 PTO hp
Estimated from the 24.5 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 24.5 hp tractor can run
The calculator sizes mowers, tillers, discs, plows and balers for this tractor.
Units
24.5 hp is 18.3 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
Bulldog D7531 vs. Standard Tread median
Lanz Bulldog D7531 compared with other Standard Tread tractors
| Spec | This model | Standard Tread median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 24.5 hp | 45 hp | -46% | 19th |
| Engine Displacement | 287 ci | 382 ci | -25% | 33rd |
| Cylinders | 1 | 4 | -75% | 7th |
| Forward Gears | 6 | 4 | +50% | 79th |
Medians and percentiles are calculated from the standard tread tractors in the database that have a recorded value for each specification (sample size 121–367 models).
Same manufacturer
Other Lanz models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked questions
How powerful is the Lanz Bulldog D7531?
The Lanz Bulldog D7531 has an engine power output of 24.5 hp. It is powered by a 1-cylinder engine displacing 286.8 ci.
What type of transmission does the Lanz Bulldog D7531 have?
The Lanz Bulldog D7531 uses a Gear transmission offering 6 forward gears.
What routine service does the Lanz Bulldog D7531 need?
Regular maintenance for the Lanz Bulldog D7531 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.