Brand siblingUtilityPerformance profile
David Brown 770 Selectamatic
The David Brown 770 Selectamatic is a utility tractor made from 1965 to 1970. It has a 2WD chassis and a manual steering system. The tractor is powered by a 3-cylinder diesel engine made by David Brown. This engine has average displacement for its class at 164.1 ci and produces 38.34 hp at 2000 rpm. The 770 Selectamatic has a gear transmission with 12 forward and 4 reverse speeds. It features a Category I hitch and a live PTO that runs at 540 rpm. The tractor has an open operator station and uses an electric starter. It weighs 3730 lb and measures 112.2 inches long, 63.8 inches wide, and 80.3 inches tall. The hydraulic system is an open center type, and the brakes are internal expanding shoe. This model offers good versatility for small to medium farm tasks.
ManufacturerDavid BrownPower38.34 hpEngine3-cylTransGear
Quick specs
- Category
- Utility
- Engine Power Output
- 38hp
- Operating Weight
- 3,730 lb
- Transmission
- Gear
At a glance
How the 770 Selectamatic compares
vs. Utility medianDistribution
Engine Power (hp)
Across all Utility tractors
38.34 hp · 32nd
This model
9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383
The 770 Selectamatic ranks at the 32nd percentile for engine power among recorded utility tractors.
Overview
About the David Brown 770 Selectamatic
The David Brown 770 Selectamatic is a utility tractor made from 1965 to 1970. It has a 2WD chassis and a manual steering system. The tractor is powered by a 3-cylinder diesel engine made by David Brown. This engine has average displacement for its class at 164.1 ci and produces 38.34 hp at 2000 rpm. The 770 Selectamatic has a gear transmission with 12 forward and 4 reverse speeds. It features a Category I hitch and a live PTO that runs at 540 rpm. The tractor has an open operator station and uses an electric starter. It weighs 3730 lb and measures 112.2 inches long, 63.8 inches wide, and 80.3 inches tall. The hydraulic system is an open center type, and the brakes are internal expanding shoe. This model offers good versatility for small to medium farm tasks.
Full specifications
Every recorded spec
General
| Manufacturer | David Brown |
|---|---|
| Model | 770 Selectamatic |
| Category | Utility tractor |
| Type | 4x2 2WD |
| Years built | 1965–1970 |
| Operating weight | 3,730lb |
Engine
| Make | David Brown |
|---|---|
| Model | AD3/49 |
| Power | 38.34hp |
| Cylinders | 3 |
| Displacement | 164.1ci |
| Bore | 3.94in |
| Stroke | 4in |
Transmission
| Type | Gear |
|---|---|
| Forward gears | 12 |
| Reverse gears | 4 |
Chassis & drive
| Chassis | 4x2 2WD |
|---|---|
| Drive | 2WD |
| Steering | Manual |
| Brakes | Internal expanding shoe |
| Cab | Open Operator Station |
Hydraulics
| Type | Open Center |
|---|
Power take-off
| Rear PTO | Live |
|---|---|
| PTO speed | 540rpm |
Dimensions
| Length | 112.2in |
|---|---|
| Width | 63.8in |
| Height | 80.3in |
| Operating weight | 3,730lb |
Tires
| Front | 6.00-16 |
|---|---|
| Rear | 12.4-28 |
Capacities
| Cooling system | 3gal |
|---|
Head to head
770 Selectamatic vs. Utility median
How the David Brown 770 Selectamatic compares to other Utility tractors
| Spec | This model | Utility median | Difference | Percentile |
|---|---|---|---|---|
| Engine Power | 38.3 hp | 55 hp | -30% | 32nd |
| Engine Displacement | 164 ci | 183 ci | -10% | 43rd |
| Cylinders | 3 | 4 | -25% | 23rd |
| Forward Gears | 12 | 12 | at median | 50th |
| Operating Weight | 3,730 lb | 5,303 lb | -30% | 32nd |
| Length | 112 in | 137 in | -18% | 18th |
| Width | 63.8 in | 66 in | -3% | 44th |
| Height | 80.3 in | 94.1 in | -15% | 28th |
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 885 | 39.26 hp | 4,020 lb | 1971–1980 | Compare → |
| David Brown 850 | 40.1 hp | 4,094 lb | 1960–1965 | Compare → |
| David Brown 950 | 42.5 hp | 4,230 lb | 1958–1959 | Compare → |
| David Brown Cropmaster Diesel | 34 hp | 2,954 lb | 1949–1953 | Compare → |
| David Brown 780 | 46 hp | 3,470 lb | 1967–1971 | Compare → |
Commonly compared tractors with similar horsepower from other brands
| Tractor | Engine Power | Operating Weight | Years | Compare |
|---|---|---|---|---|
| Antonio Carraro Tigre 4000F | 38 hp | 2,756 lb | — | Compare → |
| Antonio Carraro TTR 4400 | 38 hp | 2,811 lb | — | Compare → |
| Allis Chalmers D15 | 37.44 hp | 4,036 lb | — | Compare → |
| Avery 20-35 | 37.33 hp | 7,550 lb | 1923+ | Compare → |
| Allis Chalmers D14 | 37 hp | 3,500 lb | 1957–1960 | Compare → |
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Gallery
David Brown 770 Selectamatic photos
FAQ
Common questions
When was the David Brown 770 Selectamatic made?
The David Brown 770 Selectamatic was manufactured from 1965 to 1970.
What are the factory tire sizes for the David Brown 770 Selectamatic?
The David Brown 770 Selectamatic comes with 6.00-16 front tires and 12.4-28 rear tires.
What three-point hitch category does the David Brown 770 Selectamatic use?
The David Brown 770 Selectamatic has a Category I three-point hitch.
What is the engine power output of the David Brown 770 Selectamatic?
Rated engine output for the David Brown 770 Selectamatic is 38.34 hp, delivered by a 3-cylinder engine. The engine displaces 164.1 ci.
What is the operating weight of the David Brown 770 Selectamatic?
In working trim, the David Brown 770 Selectamatic comes in at roughly 3,730 lb.
Which transmission does the David Brown 770 Selectamatic use?
The David Brown 770 Selectamatic is equipped with a Gear transmission with 12 forward gears.
What hydraulics does the David Brown 770 Selectamatic have?
The David Brown 770 Selectamatic uses an Open Center hydraulic system.
How do I maintain a David Brown 770 Selectamatic?
Routine service for the David Brown 770 Selectamatic 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.