David Brown 3800 Selectamatic

Last Updated: June 2024

Overview

The David Brown 3800 Selectamatic is a type of utility tractor designed for various agricultural tasks. It features a 3-cylinder gasoline engine from David Brown that is cooled using a liquid cooling system. The engine runs with a displacement of 146.1 ci and a bore and stroke of 3.939x4.0 inches at a rated RPM of 2200. The tractor operates on a 2WD system with manual steering, and it uses a gear transmission system with 6 forward gears and 2 reverse gears. The chassis is described as 4x2. Standard tires provided are Ag type, 6.00-16 for the front and 13.6/12-28 for the rear. The 3800 Selectamatic has a minimum width of 64.5 inches, a length of 115.625 inches, and a hood height of 51.25 inches. The operating weight of the vehicle is approximately 3885 lbs. The starter system is electric, with 12 volts. Further specific details, such as hitch capacity, PTO type, and hydraulic system type, are not provided.
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Key Specifications

Category: Utility

Transmission: Gear

Drive Type: 2WD

Operating Weight: 3885

Fuel Type: Gasoline

David Brown 3800 Selectamatic vs. Similar Tractors

Operating Weight
Average
Greater than 35% of similar tractors.

Technical Specifications

Engine

Manufacturer
David Brown
Model
-
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Gasoline
Induction Type
Naturally Aspirated (assumed)
Cylinders
3
Displacement (ci)
146.1
Bore (in)
3.939
Stroke (in)
4
Rated RPM
2200
Power Output (hp)
-

Transmission

Type
Gear
Forward Gears
6
Reverse Gears
2
Total Gears
-

Dimensions

Length (in)
115.625
Width (in)
64.5 (min)
Height (in)
51.25 (hood)
Operating Weight (lb)
3885

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2
Drive Type
2WD
Steering Type
Manual
Coolant Capacity (qts)
9
Front Tire Diameter (in)
16
Front Tire Width (in)
6
Rear Tire Diameter (in)
28
Rear Tire Width (in)
13.6
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
-
Hitch Type
Category I
Hitch Category
-
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
Legacy (assumed)
Starter Type
Electric, 12 Volts
Brake Type
-
Hydraulic System Type
-

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