Standard TreadPerformance profile
Lanz Bulldog D7511
The Lanz Bulldog D7511 is a sturdy 2WD tractor built for farm work. It has a manual transmission with 6 forward gears, giving the driver good control over speed and power. The tractor is powered by a Lanz-made diesel engine that's liquid-cooled to keep it running smoothly. What makes this tractor special is its big, single-cylinder engine. At 286.8 cubic inches, it's much larger than most tractor engines. This engine runs at a slow 850 RPM but still puts out 24.5 horsepower. The Bulldog D7511 also has a Category 3 hitch, which means it can handle heavy farm equipment. This tractor is a good choice for farmers who need a strong, simple machine for tough jobs.
ManufacturerLanzPower24.5 hpEngine1-cylTransManual
Quick specs
- Category
- Standard Tread
- Engine Power Output
- 25hp
- Transmission
- Manual
At a glance
How the Bulldog D7511 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 D7511 ranks at the 19th percentile for engine power among recorded standard tread tractors.
Overview
About the Lanz Bulldog D7511
The Lanz Bulldog D7511 is a sturdy 2WD tractor built for farm work. It has a manual transmission with 6 forward gears, giving the driver good control over speed and power. The tractor is powered by a Lanz-made diesel engine that's liquid-cooled to keep it running smoothly. What makes this tractor special is its big, single-cylinder engine. At 286.8 cubic inches, it's much larger than most tractor engines. This engine runs at a slow 850 RPM but still puts out 24.5 horsepower. The Bulldog D7511 also has a Category 3 hitch, which means it can handle heavy farm equipment. This tractor is a good choice for farmers who need a strong, simple machine for tough jobs.
Full specifications
Every recorded spec
General
| Manufacturer | Lanz |
|---|---|
| Model | Bulldog D7511 |
| 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 | Manual |
|---|---|
| Forward gears | 6 |
Chassis & drive
| Chassis | 2WD |
|---|---|
| Drive | 2WD |
Head to head
Bulldog D7511 vs. Standard Tread median
How the Lanz Bulldog D7511 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 D7521 | 24.5 hp | — | — | Compare → |
| Lanz Bulldog D7531 | 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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Gallery
Lanz Bulldog D7511 photos
FAQ
Common questions
How much horsepower does the Lanz Bulldog D7511 have?
The Lanz Bulldog D7511 produces 24.5 hp from its 1-cylinder engine. Engine displacement is 286.8 ci.
What transmission is in the Lanz Bulldog D7511?
Transmission on the Lanz Bulldog D7511 is Manual, with 6 forward speeds.
What three-point hitch category does the Lanz Bulldog D7511 use?
The Lanz Bulldog D7511 has a Category Category 3 three-point hitch.
What maintenance does the Lanz Bulldog D7511 require?
Like any tractor, the Lanz Bulldog D7511 needs periodic engine oil and filter changes, hydraulic fluid checks, and regular greasing and inspection. The owner's manual lists the manufacturer's recommended service intervals.