Utility tractorsSpec sheet
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.
Image not recorded
Key specifications
- Category
- Utility
- Engine power
- 44hp
- Transmission
- Manual
Category comparison
Bulldog D9511 compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded 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
Recorded specifications
General
| Manufacturer | Lanz |
|---|---|
| Model | Bulldog D9511 |
| Category | Utility tractor |
| Type | 4x2 2WD |
Engine
| Make | Lanz |
|---|---|
| Power | 44.1hp(32.89 kW) |
| Cylinders | 1 |
| Displacement | 628.5ci(10.3 L) |
| Bore | 8.86in(225 mm) |
| Stroke | 10.24in(260.1 mm) |
Transmission
| Type | Manual |
|---|---|
| Forward gears | 6 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
Closest alternatives
Bulldog D9511 compared with the nearest models by horsepower
By engine horsepower, the nearest utility models to the Bulldog D9511 are the Lanz Bulldog D9500 and the Lanz Bulldog D9506. The Lanz Bulldog D9500 matches it on rated power. The Lanz Bulldog D9506 matches it on rated power.
| Spec | Lanz Bulldog D9511 | Lanz Bulldog D9500 | Lanz Bulldog D9506 |
|---|---|---|---|
| Engine power | 44.1 hp32.9 kW | 44.1 hp32.9 kW | 44.1 hp32.9 kW |
| Operating weight | - | 7,275 lb3,300 kg | 8,047 lb3,650 kg |
| Weight per hp | - | 165 lb/hp100 kg/kW | 182 lb/hp111 kg/kW |
| Displacement | 628.5 ci10.3 L | 628.5 ci10.3 L | 628.5 ci10.3 L |
| Cylinders | 1 | 1 | 1 |
| Transmission | Manual | Gear | Gear |
| Drive | 2WD | 2WD | 2WD |
Calculators
Calculators for the Bulldog D9511
PTO power
About 37 to 40 PTO hp
Estimated from the 44.1 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 44.1 hp tractor can run
Maximum size is about a 5 ft rotary cutter or a 4.5 ft tiller. The calculator also sizes discs, plows and balers.
Units
44.1 hp is 32.9 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
Bulldog D9511 vs. Utility median
Lanz Bulldog D9511 compared with 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 calculated from the utility tractors in the database that have a recorded value for each specification (sample size 4,941–5,720 models).
Same manufacturer
Other Lanz models
Other manufacturers
Models with similar horsepower
FAQ
Frequently asked 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.