Utility tractorsSpec sheet
David Brown 990 Selectamatic (1971-1980)
The David Brown 990 Selectamatic is a utility tractor made from 1971 to 1980. It has a 2WD chassis and hydrostatic power steering, making it easy to handle. The tractor has a 12-forward and 4-reverse gear transmission, giving farmers plenty of options for different tasks. Under the hood, the 990 Selectamatic has a 4-cylinder diesel engine made by David Brown. The engine has average displacement and power for its class, producing 58 hp at 2200 rpm. It has a liquid cooling system with a 14.8-quart capacity. The tractor weighs 5,754 pounds, which is about average for similar models. It has a Category II/I rear hitch that can lift up to 2,000 pounds, which is above average. The tractor also features both 540 and 1000 rpm PTO options, making it versatile for various implements.
ManufacturerDavid BrownPower58 hp(43.3 kW)Class40–60 HP tractors →Engine4-cylinderTransmissionPartially Synchronized with Dry Disc Clutch
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Key specifications
- Category
- Utility
- Engine power
- 58hp
- Operating weight
- 5,754 lb
- Transmission
- Partially Synchronized with Dry Disc Clutch
Category comparison
990 Selectamatic (1971-1980) compared with its category
vs. Utility medianDistribution
Engine Power (hp)
All recorded Utility tractors
58 hp · 52nd
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The 990 Selectamatic (1971-1980) ranks at the 52nd percentile for engine power among recorded utility tractors.
Overview
About the David Brown 990 Selectamatic (1971-1980)
The David Brown 990 Selectamatic is a utility tractor made from 1971 to 1980. It has a 2WD chassis and hydrostatic power steering, making it easy to handle. The tractor has a 12-forward and 4-reverse gear transmission, giving farmers plenty of options for different tasks. Under the hood, the 990 Selectamatic has a 4-cylinder diesel engine made by David Brown. The engine has average displacement and power for its class, producing 58 hp at 2200 rpm. It has a liquid cooling system with a 14.8-quart capacity. The tractor weighs 5,754 pounds, which is about average for similar models. It has a Category II/I rear hitch that can lift up to 2,000 pounds, which is above average. The tractor also features both 540 and 1000 rpm PTO options, making it versatile for various implements.
Full specifications
Recorded specifications
General
| Manufacturer | David Brown |
|---|---|
| Model | 990 Selectamatic (1971-1980) |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Years built | 1971–1980 |
| Operating weight | 5,754lb(2,610 kg) |
Engine
| Make | David Brown |
|---|---|
| Power | 58hp(43.25 kW) |
| Cylinders | 4 |
| Displacement | 195ci(3.2 L) |
| Bore | 3.94in(100.1 mm) |
| Stroke | 4.02in(102.1 mm) |
Transmission
| Type | Partially Synchronized with Dry Disc Clutch |
|---|---|
| Forward gears | 12 |
| Reverse gears | 4 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Hydrostatic Power |
| Brakes | Hydraulic Drum |
| Cab | Weather Frame Cab |
Hydraulics
| Type | Open Center |
|---|
Power take-off
| Rear PTO | Transmission or Live (option) |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 128.7in(3,269 mm) |
|---|---|
| Width | 66.9in(1,699 mm) |
| Operating weight | 5,754lb(2,610 kg) |
Capacities
| Cooling system | 3.7gal(14.01 L) |
|---|
Closest alternatives
990 Selectamatic (1971-1980) compared with the nearest models by horsepower
By engine horsepower, the nearest utility models to the 990 Selectamatic (1971-1980) are the Kubota M5660SU and the Kubota M5400. The Kubota M5660SU matches it on rated power. It entered production in 2015, 44 years after the 990 Selectamatic (1971-1980). The Kubota M5400 matches it on rated power and weighs 1,900 lb less, so it is lighter for its power, which favors PTO and transport work over heavy draft. It entered production in 1995, 24 years after the 990 Selectamatic (1971-1980).
| Spec | David Brown 990 Selectamatic (1971-1980) | Kubota M5660SU | Kubota M5400 |
|---|---|---|---|
| Engine power | 58 hp43.3 kW | 58 hp43.3 kW | 58 hp43.3 kW |
| Operating weight | 5,754 lb2,610 kg | - | 3,858 lb1,750 kg |
| Weight per hp | 99 lb/hp60 kg/kW | - | 67 lb/hp40 kg/kW |
| Displacement | 195 ci3.2 L | 148.5 ci2.43 L | 167.6 ci2.75 L |
| Cylinders | 4 | 4 | 5 |
| Transmission | Partially Synchronized with Dry Disc Clutch | Shuttle | Partially synchronized |
| Drive | 2WD | 4WD | 2WD |
| Years built | 1971-1980 | 2015+ | 1995-1999 |
Calculators
Calculators for the 990 Selectamatic (1971-1980)
PTO power
About 48 to 52 PTO hp
Estimated from the 58 hp engine rating. The calculator also estimates drawbar power by surface.
Implement sizing
Implements a 58 hp tractor can run
Maximum size is about a 7 ft rotary cutter or a 6 ft tiller. The calculator also sizes discs, plows and balers.
Ballast
115 lb per PTO hp as listed
Heavy draft work calls for 130 to 150 lb/hp. The calculator gives the ballast to add.
Units
58 hp is 43.3 kW
The converter gives kW and metric PS values, as used on European spec sheets.
Category medians
990 Selectamatic (1971-1980) vs. Utility median
David Brown 990 Selectamatic (1971-1980) compared with other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 58 hp | 55 hp | +5% | 52nd |
| Engine Displacement | 195 ci | 183 ci | +6% | 52nd |
| Cylinders | 4 | 4 | at median | 50th |
| Forward Gears | 12 | 12 | at median | 50th |
| Operating Weight | 5,754 lb | 5,303 lb | +9% | 54th |
| Length | 129 in | 137 in | -6% | 39th |
| Width | 66.9 in | 66 in | +1% | 52nd |
| 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
FAQ
Frequently asked questions
When was the David Brown 990 Selectamatic (1971-1980) made?
The David Brown 990 Selectamatic (1971-1980) was manufactured from 1971 to 1980.
What is the engine power output of the David Brown 990 Selectamatic (1971-1980)?
Rated engine output for the David Brown 990 Selectamatic (1971-1980) is 58 hp, delivered by a 4-cylinder engine. The engine displaces 195 ci.
What is the operating weight of the David Brown 990 Selectamatic (1971-1980)?
The David Brown 990 Selectamatic (1971-1980) has an operating weight of about 5,754 lb.
Which transmission does the David Brown 990 Selectamatic (1971-1980) use?
The David Brown 990 Selectamatic (1971-1980) is equipped with a Partially Synchronized with Dry Disc Clutch transmission with 12 forward gears.
What hydraulics does the David Brown 990 Selectamatic (1971-1980) have?
The David Brown 990 Selectamatic (1971-1980) uses an Open Center hydraulic system.
What three-point hitch category does the David Brown 990 Selectamatic (1971-1980) use?
The David Brown 990 Selectamatic (1971-1980) has a Category II/I three-point hitch rated to lift 2,000 lb.
How do I maintain a David Brown 990 Selectamatic (1971-1980)?
Routine service for the David Brown 990 Selectamatic (1971-1980) covers engine oil and filter changes, hydraulic and coolant level checks, air filter cleaning, and scheduled inspections. Refer to the manufacturer's maintenance schedule for exact intervals.