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Years in Production / 1920
Leader
D 25-40
Explore the specifications, hardware, and original references for the Leader D 25-40.
No photo
44hp
Engine estimate · from belt
Tracks
Drive
1920
Production years
Leader
Manufacturer
D 25-40 / 01
At a glance
Production
Half-track Crawler tractor
Built in Quincy, Illinois, USA
Original price was $2,895 in 1920
- Manufacturer
- Leader (a part of Dayton-Dick)
Mechanical
Manual steering
Open operator station with four-post canopy.
- Drive
- half-track
Belt Pulley
- Diameter
- 14 inches35 cm
- Width
- 8 inches20 cm
- Rpm
- 750
- Speed
- 2750 ft/min838.20 meters/min
D 25-40 / 02
Under the hood
Engine Detail
Doman
kerosene
4-cylinder
liquid-cooled
- Displacement
- 792 ci13.0 L
- Bore Stroke
- 6.00x7.00 inches152 x 178 mm
- Fuel System
- Holley carburetor
- Rated Rpm
- 750
- Starter Type
- hand crank
- Fuel Type
- kerosene
- Cylinders
- 4
- Cooling
- liquid-cooled
D 25-40 / 03
Gears & controls
Transmission
- Transmission Type
- gear
- Gears
- 2 forward and 1 reverse
D 25-40 / 04
Size. Stance. Footprint.
Dimensions And Tires
- Weight
- 6500 lbs2948 kg
- Rear Tire
- tracks
Tires And Tracks
- Rear Ag
- tracks