Samson S25 tractor

Samson S25

Power

31 hp[B] hp

Production

1916-1918

Engine

4-cylinder

Transmission

Gear

Weight

5800 lbs [2630 kg]

Drive

2WD

Introduction

Samson S25 Standard-Tread Tractor

The Samson S25 is a vintage agricultural tractor produced between 1916 and 1918 in Stockton, California. Designed as a standard-tread machine, it represents a significant example of early 20th-century American agricultural engineering.

Engine Specifications

The tractor is powered by a 4-cylinder, liquid-cooled engine fueled by distillate. It features a displacement of 383 cubic inches (6.3 liters) with a bore and stroke of 4.25 by 6.75 inches. The engine operates at a rated speed of 650 RPM.

Transmission and Mechanical Systems

The Samson S25 utilizes a gear-type transmission providing two forward speeds. Power is delivered to the ground via a two-wheel drive configuration, supported by bull gear final drives. Steering is manual, and the operator operates from an open station.

Performance and Capacity

The tractor is rated for a drawbar output of 12 horsepower (8.9 kW) and a belt horsepower of 28.3 hp (21.1 kW). It is capable of pulling a three-bottom plow, making it suitable for standard cultivation tasks of its era.

Dimensions and Construction

The machine measures 150 inches in length, 63 inches in width, and 50 inches in height. It has a shipping weight of 5,800 lbs (2,630 kg) and is equipped with steel front wheels measuring 41 by 18 inches.

Conclusion

The Samson S25 was a notable utility tractor of the late 1910s, offering a balance of power and mechanical simplicity for its time. With an original retail price of $1,750 in 1919, it serves today as a historical reference for early mechanized farming.

Production Information of Samson, S25

  • Original price was $1,750 in 1919
  • Standard-tread tractor
  • Built in Stockton, California, USA
ManufacturerSamson

Dimension and Tires Information of Samson, S25

Length150 inches [381 cm]
Shipping weight5800 lbs [2630 kg]
Width63 inches [160 cm]
Height50 inches [127 cm]
Ag front41x18 (steel)

Engine Specifications of Samson, S25

  • Samson
  • Liquid-cooled
  • Distillate
  • 4-cylinder
Rated RPM650
Displacement383 ci [6.3 L]
SparkplugAC Titan 0.875
Bore/Stroke4.25x6.75 inches [108 x 171 mm]

Transmission Information of Samson, S25

Transmission variants 1

TypeGear
Gears2 forward

Mechanical Specs of Samson, S25

  • Two-wheel drive
  • Open operator station.
  • Manual steering
Final drivesBull gear

Power Information of Samson, S25

Drawbar (claimed)12 hp [8.9 kW]
Belt (claimed)28.3 hp [21.1 kW]
Plows3

Where it sits

With 31 hp[B] HP, the Samson S25 sits just above 12-25 (27 HP) in Samson's range. Its power puts it in the 51th percentile of 1910s models in our database (158 machines).

Frequently asked questions

How much horsepower does the Samson S25 have?

The Samson S25 delivers 31 hp[B] HP.

What years was the Samson S25 produced?

The Samson S25 was produced in 1916-1918.

What engine does the Samson S25 have?

The Samson S25 is powered by a 4-cylinder engine.

What transmission does the Samson S25 use?

The Samson S25 uses a Gear transmission.

How much does the Samson S25 weigh?

The Samson S25 weighs 5800 lbs [2630 kg].

Is the Samson S25 4WD?

The Samson S25 is available in 2WD.

Compare the Samson S25 with another model