UtilityPerformance profile
David Brown 50D
The David Brown 50D is a utility tractor that was made from 1953 to 1958. It has a 2WD drive system and a manual steering type. The tractor comes with a gear transmission that has 6 forward gears and 2 reverse gears, giving farmers good control over their speed. Under the hood, the 50D has a 6-cylinder diesel engine made by David Brown. The engine is liquid-cooled and naturally aspirated, with an above-average displacement of 248 ci. It produces 50 hp at 1800 rpm, which is about average power for tractors of its time. The tractor weighs 6130 lb, making it a bit heavier than many other models. It has a rear PTO that spins at 540 rpm, useful for running various farm tools. The 50D has an open operator station and uses mechanical drum brakes for stopping.
ManufacturerDavid BrownPower50 hpEngine6-cylTransGear
Image not recorded
Quick specs
- Category
- Utility
- Engine Power Output
- 50hp
- Operating Weight
- 6,130 lb
- Transmission
- Gear
At a glance
How the 50D compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
50 hp · 45th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The 50D ranks at the 45th percentile for engine power among recorded utility tractors.
Overview
About the David Brown 50D
The David Brown 50D is a utility tractor that was made from 1953 to 1958. It has a 2WD drive system and a manual steering type. The tractor comes with a gear transmission that has 6 forward gears and 2 reverse gears, giving farmers good control over their speed. Under the hood, the 50D has a 6-cylinder diesel engine made by David Brown. The engine is liquid-cooled and naturally aspirated, with an above-average displacement of 248 ci. It produces 50 hp at 1800 rpm, which is about average power for tractors of its time. The tractor weighs 6130 lb, making it a bit heavier than many other models. It has a rear PTO that spins at 540 rpm, useful for running various farm tools. The 50D has an open operator station and uses mechanical drum brakes for stopping.
Full specifications
Every recorded spec
General
| Manufacturer | David Brown |
|---|---|
| Model | 50D |
| Category | Utility tractor |
| Type | 4x2 |
| Years built | 1953–1958 |
| Operating weight | 6,130lb |
Engine
| Make | David Brown |
|---|---|
| Power | 50hp |
| Cylinders | 6 |
| Displacement | 248ci |
| Bore | 3.63in |
| Stroke | 4in |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 6 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x2 |
|---|---|
| Drive | 2WD |
| Steering | Manual |
| Brakes | Mechanical drum |
| Cab | Open operator station |
Power take-off
| Rear PTO | Rear |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 134.75in |
|---|---|
| Width | 74in |
| Height | 65in |
| Operating weight | 6,130lb |
Capacities
| Cooling system | 5gal |
|---|
Head to head
50D vs. Utility median
How the David Brown 50D compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 50 hp | 55 hp | -9% | 45th |
| Engine Displacement | 248 ci | 183 ci | +35% | 70th |
| Cylinders | 6 | 4 | +50% | 93rd |
| Forward Gears | 6 | 12 | -50% | 11th |
| Operating Weight | 6,130 lb | 5,303 lb | +16% | 58th |
| Length | 135 in | 137 in | -1% | 48th |
| Width | 74 in | 66 in | +12% | 69th |
| Height | 65 in | 94.1 in | -31% | 13th |
Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 3,933–5,720 models).
Compare to tractors with similar specs
Commonly compared David Brown tractors
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| David Brown 990 Implematic | 52 hp | 4,272 lb | 1961–1965 | Compare → |
| David Brown 780 | 46 hp | 3,470 lb | 1967–1971 | Compare → |
| David Brown 880 Selectamatic | 46 hp | 3,970 lb | 1965–1971 | Compare → |
| David Brown 990 Selectamatic | 55 hp | 5,104 lb | 1965–1970 | Compare → |
| David Brown 950 | 42.5 hp | 4,230 lb | 1958–1959 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Allis Chalmers 5050 | 50 hp | 4,410 lb | 1977–1983 | Compare → |
| Allis Chalmers FD5 | 50 hp | 5,412 lb | — | Compare → |
| Belarus 4055 | 50 hp | 4,750 lb | — | Compare → |
| AGCO GT45 | 52 hp | 4,806 lb | — | Compare → |
| Agco GT45A | 52 hp | 5,820.3 lb | — | Compare → |
Explore
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FAQ
Common questions
What years was the David Brown 50D manufactured?
Production of the David Brown 50D ran from 1953 through 1958.
What type of transmission does the David Brown 50D have?
The David Brown 50D uses a Gear transmission offering 6 forward gears.
How powerful is the David Brown 50D?
The David Brown 50D has an engine power output of 50 hp. It is powered by a 6-cylinder engine displacing 248 ci.
What is the working weight of the David Brown 50D?
The operating weight of the David Brown 50D is approximately 6,130 lb.
What routine service does the David Brown 50D need?
Regular maintenance for the David Brown 50D 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.