Brand siblingUtilityPerformance profile
Lanz Bulldog D9511
The Lanz Bulldog D9511 is a utility tractor built for everyday farm work. It has a 2-wheel drive system and a manual transmission with 6 forward gears. This tractor is great for tasks that need steady power and easy handling. The Bulldog D9511 has a unique engine. It's a single-cylinder diesel engine that's liquid-cooled. The engine is very large for a tractor, with a displacement of 628.5 cubic inches. This gives it plenty of power, producing 44.1 horsepower at 630 RPM. The engine's size is well above average compared to other tractors, but it runs at a much lower speed than most. Its power output is about average. The tractor also has a Category III hitch, which lets it work with many different farm tools.
ManufacturerLanzPower44.1 hpEngine1-cylTransManual
Image not recorded
Quick specs
- Category
- Utility
- Engine Power Output
- 44hp
- Transmission
- Manual
At a glance
How the Bulldog D9511 compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
44.1 hp · 38th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The Bulldog D9511 ranks at the 38th percentile for engine power among recorded utility tractors.
Overview
About the Lanz Bulldog D9511
The Lanz Bulldog D9511 is a utility tractor built for everyday farm work. It has a 2-wheel drive system and a manual transmission with 6 forward gears. This tractor is great for tasks that need steady power and easy handling. The Bulldog D9511 has a unique engine. It's a single-cylinder diesel engine that's liquid-cooled. The engine is very large for a tractor, with a displacement of 628.5 cubic inches. This gives it plenty of power, producing 44.1 horsepower at 630 RPM. The engine's size is well above average compared to other tractors, but it runs at a much lower speed than most. Its power output is about average. The tractor also has a Category III hitch, which lets it work with many different farm tools.
Full specifications
Every recorded spec
General
| Manufacturer | Lanz |
|---|---|
| Model | Bulldog D9511 |
| Category | Utility tractor |
| Type | 4x2 2WD |
Engine
| Make | Lanz |
|---|---|
| Power | 44.1hp |
| Cylinders | 1 |
| Displacement | 628.5ci |
| Bore | 8.86in |
| Stroke | 10.24in |
Transmission
| Type | Manual |
|---|---|
| Forward gears | 6 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
Head to head
Bulldog D9511 vs. Utility median
How the Lanz Bulldog D9511 compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 44.1 hp | 55 hp | -20% | 38th |
| Engine Displacement | 629 ci | 183 ci | +243% | 95th |
| Cylinders | 1 | 4 | -75% | 1st |
| Forward Gears | 6 | 12 | -50% | 11th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 4,941–5,720 models).
Compare to tractors with similar specs
Commonly compared Lanz tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Lanz Bulldog D9500 | 44.1 hp | 7,275 lb | — | Compare → |
| Lanz Bulldog D9506 | 44.1 hp | 8,047 lb | — | Compare → |
| Lanz Bulldog D9531 | 44.1 hp | 8,444 lb | — | Compare → |
| Lanz Bulldog D4016 | 40 hp | — | 1957–1960 | Compare → |
| Lanz Bulldog D5006 | 50 hp | — | — | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| AGCO ST45 | 44.2 hp | 4,448 lb | — | Compare → |
| Allis Chalmers 5045 | 44 hp | 3,850 lb | 1981–1983 | Compare → |
| Ag King AK4540 | 45 hp | 4,650 lb | — | Compare → |
| Apollo 454 | 45 hp | 4,365 lb | — | Compare → |
| Ascot Universal 445 | 45 hp | 4,500 lb | — | Compare → |
Explore
Lanz siblings
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FAQ
Common questions
How powerful is the Lanz Bulldog D9511?
The Lanz Bulldog D9511 has an engine power output of 44.1 hp. It is powered by a 1-cylinder engine displacing 628.5 ci.
What type of transmission does the Lanz Bulldog D9511 have?
The Lanz Bulldog D9511 uses a Manual transmission offering 6 forward gears.
What three-point hitch category does the Lanz Bulldog D9511 use?
The Lanz Bulldog D9511 has a Category III three-point hitch.
What routine service does the Lanz Bulldog D9511 need?
Regular maintenance for the Lanz Bulldog D9511 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.