Standard TreadPerformance profile
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.
ManufacturerLanzPower24.5 hpEngine1-cylTransGear
Image not recorded
Quick specs
- Category
- Standard Tread
- Engine Power Output
- 25hp
- Transmission
- Gear
At a glance
How the Bulldog D7531 compares
vs. Standard Tread medianDistribution
Engine Power (hp)
Across all 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
Every recorded spec
General
| Manufacturer | Lanz |
|---|---|
| Model | Bulldog D7531 |
| Category | Standard Tread tractor |
| Type | 2WD |
Engine
| Make | Lanz |
|---|---|
| Power | 24.5hp |
| Cylinders | 1 |
| Displacement | 286.8ci |
| Bore | 6.69in |
| Stroke | 8.27in |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 6 |
Chassis & drive
| Chassis | 2WD |
|---|---|
| Drive | 2WD |
Head to head
Bulldog D7531 vs. Standard Tread median
How the Lanz Bulldog D7531 compares to 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 computed from the standard tread tractors in our database with a recorded value for each spec (sample sizes 121–367 models).
Compare to tractors with similar specs
Commonly compared Lanz tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Lanz Bulldog D7500 | 24.5 hp | 4,850 lb | — | Compare → |
| Lanz Bulldog D7506 | 24.5 hp | 4,982 lb | — | Compare → |
| Lanz Bulldog D7507 | 24.5 hp | — | — | Compare → |
| Lanz Bulldog D7511 | 24.5 hp | — | — | Compare → |
| Lanz Bulldog D7521 | 24.5 hp | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Bobcat CT1025 | 24.5 hp | 1,488 lb | — | Compare → |
| AGCO ST25 | 24.3 hp | 1,588 lb | — | Compare → |
| Ag King AK2840 | 24 hp | 2,900 lb | — | Compare → |
| Allis Chalmers 5020 | 25 hp | 2,060 lb | 1977–1985 | Compare → |
| Allis Chalmers FD3 | 25 hp | 3,150 lb | — | Compare → |
Explore
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FAQ
Common 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.