David Brown 770 Selectamatic

Last Updated: September 2024

Overview

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.
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Key Specifications

Category: Utility

Power Output: 38 hp (28.6 kW)

Transmission: Gear

Drive Type: 2WD

Operating Weight: 3730 lb (1692 kg)

Fuel Type: Diesel

David Brown 770 Selectamatic vs. Similar Tractors

Power Output

The Power Output for the David Brown 770 Selectamatic is Average. It is greater than 35% of similar Utility tractors in our database.

Horsepower distribution of Utility tractors

(across 4.7K+ tractors in our database)

Operating Weight

The Operating Weight for the David Brown 770 Selectamatic is Average. It is greater than 36% of similar Utility tractors in our database.

Operating weight distribution of Utility tractors

(across 4.4K+ tractors in our database)

Engine Displacement

The Engine Displacement for the David Brown 770 Selectamatic is Average. It is greater than 47% of similar Utility tractors in our database.

Engine displacement distribution of Utility tractors

(across 1K+ tractors in our database)

Engine Rated RPM

The Engine Rated RPM for the David Brown 770 Selectamatic is Poor. It is greater than 9% of similar Utility tractors in our database.

Engine rated RPM distribution of Utility tractors

(across 1K+ tractors in our database)

Technical Specifications

Engine

Manufacturer
David Brown
Model
AD3/49
Cooling Type
Liquid-Cooled
Cylinder Orientation
Inline
Fuel Type
Diesel
Induction Type
Naturally Aspirated
Cylinders
3
Displacement
164 ci (2.7 L)
Bore
3.94 in (100.1 mm)
Stroke
4.00 in (101.6 mm)
Rated RPM
2000
Power Output
38 hp (28.6 kW)

Transmission

Type
Gear
Forward Gears
12
Reverse Gears
4

Drivetrain

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Manual
Brake Type
Internal expanding shoe