Leader D 25-40

The Leader D 25-40 is a tractor produced by Leader. It is equipped with a 792 ci 13.0 L engine. Transmission: 2 forward and 1 reverse. Drive type: half-track. Operating weight: 6500 lbs 2948 kg.

Overview

	1920 Half-track Crawler tractor

Production
Manufacturer	Leader (a part of Dayton-Dick)
Half-track Crawler tractor
Built in Quincy, Illinois, USA
Original price was $2,895 in 1920

Leader D 25-40 Engine
Doman 13.0L 4-cyl kerosene
Engine details ...

Leader D 25-40 Transmission
2-speed gear
Transmission details ...

Leader D 25-40 Power
Drawbar (claimed)	25 hp 18.6 kW
Belt (claimed)	40 hp 29.8 kW
Plows	5-6 (14-inch)

Mechanical
Drive	half-track
Manual steering
Open operator station with four-post canopy.

Dimensions & Tires
Weight	6500 lbs 2948 kg
Rear tire	tracks
Full dimensions and tires ...

Belt Pulley
Diameter	14 inches 35 cm
Width	8 inches 20 cm
RPM	750
Speed	2750 ft/min 838.20 meters/min

Engine

Engine Detail — 792 ci / 13.0 L Kerosene

Manufacturer	Doman
Fuel Type	Kerosene
Configuration	4-cylinder, liquid-cooled
Displacement	792 ci 13.0 L
Bore/Stroke	6.00x7.00 inches 152 x 178 mm
Fuel system	Holley carburetor
Rated RPM	750
Starter type	hand crank

Transmission

Transmission — 2 forward and 1 reverse gear

Type	gear
Gears	2 forward and 1 reverse

Dimensions

Leader D 25-40 Tires
Ag rear	tracks

Dimensions
Length	153 inches 388 cm
Width	64 inches 162 cm
Height	96 inches 243 cm
Weight	6500 lbs 2948 kg