Utility tractorsSpec sheet
David Brown 990 Selectamatic
The David Brown 990 Selectamatic is a utility tractor made from 1965 to 1970. It has a 2WD chassis and a diesel engine with 4 cylinders. The engine makes 55 hp, which is about average power for tractors. It has a liquid-cooled engine that runs at 2200 rpm. This tractor has a gear-type transmission with 6 forward gears and 2 reverse gears. It has a rear hitch that can lift 2000 lb, which is above average. The 990 Selectamatic has both 540 rpm and 1000 rpm PTO speeds. It weighs 5104 lb, making it a mid-size tractor. The tractor is 126 inches long and 63.8 inches wide. It has an open operator station and uses manual steering. The hydraulic system is an open center type, which was common for tractors of this era.
ManufacturerDavid BrownPower55 hp(41.0 kW)Class40–60 HP tractors →Engine4-cylinderTransmissionGear type with dry disc clutch
Key specifications
- Category
- Utility
- Engine power
- 55hp
- Operating weight
- 5,104 lb
- Transmission
- Gear type with dry disc clutch
Category comparison
990 Selectamatic compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
55 hp · 50th
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The 990 Selectamatic ranks at the 50th percentile for engine power among recorded utility tractors.
Overview
About the David Brown 990 Selectamatic
The David Brown 990 Selectamatic is a utility tractor made from 1965 to 1970. It has a 2WD chassis and a diesel engine with 4 cylinders. The engine makes 55 hp, which is about average power for tractors. It has a liquid-cooled engine that runs at 2200 rpm. This tractor has a gear-type transmission with 6 forward gears and 2 reverse gears. It has a rear hitch that can lift 2000 lb, which is above average. The 990 Selectamatic has both 540 rpm and 1000 rpm PTO speeds. It weighs 5104 lb, making it a mid-size tractor. The tractor is 126 inches long and 63.8 inches wide. It has an open operator station and uses manual steering. The hydraulic system is an open center type, which was common for tractors of this era.
Full specifications
Recorded specifications
General
| Manufacturer | David Brown |
|---|---|
| Model | 990 Selectamatic |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Years built | 1965–1970 |
| Operating weight | 5,104lb(2,315 kg) |
Engine
| Make | David Brown |
|---|---|
| Power | 55hp(41.01 kW) |
| Cylinders | 4 |
| Displacement | 195ci(3.2 L) |
| Bore | 3.94in(100.1 mm) |
| Stroke | 4.02in(102.1 mm) |
Transmission
| Type | Gear type with dry disc clutch |
|---|---|
| Forward gears | 6 |
| Reverse gears | 2 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Manual |
| Brakes | Differential mechanical expanding shoe |
| Cab | Open |
Hydraulics
| Type | Open center |
|---|
Power take-off
| Rear PTO | Transmission |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 126in(3,200 mm) |
|---|---|
| Width | 63.8in(1,621 mm) |
| Operating weight | 5,104lb(2,315 kg) |
Capacities
| Cooling system | 3.7gal(14.01 L) |
|---|
Closest alternatives
990 Selectamatic compared with the nearest models by horsepower
The closest utility models to the David Brown 990 Selectamatic by rated horsepower are the RK Tractors RK55 and the Massey Ferguson 2605H. The RK Tractors RK55 matches it on rated power. It entered production in 2017, 52 years after the 990 Selectamatic. The Massey Ferguson 2605H matches it on rated power and weighs 210 lb less. It entered production in 2016, 51 years after the 990 Selectamatic.
| Spec | David Brown 990 Selectamatic | RK Tractors RK55 | Massey Ferguson 2605H |
|---|---|---|---|
| Engine power | 55 hp41 kW | 55 hp41 kW | 55 hp41 kW |
| Operating weight | 5,104 lb2,315 kg | - | 4,894 lb2,220 kg |
| Weight per hp | 93 lb/hp56 kg/kW | - | 89 lb/hp54 kg/kW |
| Displacement | 195 ci3.2 L | 127.6 ci2.09 L | 157.9 ci2.59 L |
| Cylinders | 4 | 4 | 3 |
| Transmission | Gear type with dry disc clutch | - | Gear, Sync Shuttle |
| Drive | 2WD | 4WD | 2WD |
| Years built | 1965-1970 | 2017+ | 2016+ |
Calculators
Calculators for the 990 Selectamatic
PTO power
About 46 to 50 PTO hp
Estimated from the 55 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 55 hp tractor can run
Maximum size is about a 6.5 ft rotary cutter or a 5.5 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
108 lb per PTO hp as listed
Heavy draft work calls for 130 to 150 lb/hp. The calculator gives the ballast to add.
Units
55 hp is 41.0 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Parts and manuals
Parts and manuals for the David Brown 990 Selectamatic
Each link opens a retailer search keyed to the fields recorded for this model. Confirm fitment against the serial plate before ordering.
Filters
- Oil filter for the David BrownAmazon
Fits the David Brown 4-cylinder diesel engine listed for this model. Confirm the part number against the engine serial plate.
- Air filter for the David BrownAmazon
Fits the David Brown 4-cylinder diesel engine listed for this model. Confirm the part number against the engine serial plate.
- Fuel filter for the David BrownAmazon
Fits the David Brown 4-cylinder diesel engine listed for this model. Confirm the part number against the engine serial plate.
- Hydraulic filter for the David BrownAmazon
Fits the David Brown 4-cylinder diesel engine listed for this model. Confirm the part number against the engine serial plate.
Manuals
- David Brown 990 Selectamatic service and repair manualseManualOnline
Digital manuals. Built 1965 to 1970. Check the serial number range on the listing.
- David Brown 990 Selectamatic operator's manualAmazon
Printed and reprint manuals. Built 1965 to 1970. Check the serial number range on the listing.
- David Brown 990 Selectamatic service manualAmazon
Shop and repair manuals for this model.
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Category medians
990 Selectamatic vs. Utility median
David Brown 990 Selectamatic compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 55 hp | 55 hp | at median | 50th |
| Engine Displacement | 195 ci | 183 ci | +6% | 52nd |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 6 | 12 | -50% | 11th |
| Operating Weight | 5,104 lb | 5,303 lb | -4% | 49th |
| Length | 126 in | 137 in | -8% | 36th |
| Width | 63.8 in | 66 in | -3% | 44th |
| 3-Point Hitch Capacity | 2,000 lb | 3,197 lb | -37% | 22nd |
Medians and percentiles are calculated from the utility tractors in the database that have a recorded value for each specification (sample size 1,083–5,720 models).
Same manufacturer
Other David Brown models
Other manufacturers
Models with similar horsepower
Gallery
David Brown 990 Selectamatic photos
FAQ
Frequently asked questions
When was the David Brown 990 Selectamatic in production?
David Brown 990 Selectamatic production started in 1965 and ended in 1970.
What hydraulics does the David Brown 990 Selectamatic have?
The David Brown 990 Selectamatic uses an Open center hydraulic system.
What three-point hitch category does the David Brown 990 Selectamatic use?
The David Brown 990 Selectamatic has a Category II/I three-point hitch rated to lift 2,000 lb.
How much horsepower does the David Brown 990 Selectamatic have?
The David Brown 990 Selectamatic produces 55 hp from its 4-cylinder engine. Engine displacement is 195 ci.
How much does the David Brown 990 Selectamatic weigh?
The David Brown 990 Selectamatic weighs about 5,104 lb in operating condition.
What transmission is in the David Brown 990 Selectamatic?
Transmission on the David Brown 990 Selectamatic is Gear type with dry disc clutch, with 6 forward speeds.
What maintenance does the David Brown 990 Selectamatic require?
The David Brown 990 Selectamatic 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.