Leader D 25-40: all source data
All 34 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | Leader (a part of Dayton-Dick) |
|---|
| (no label) | Half-track Crawler tractor |
|---|
| (no label) | Built in Quincy, Illinois, USA |
|---|
| (no label) | Original price was $2,895 in 1920 |
|---|
Engine| (no label) | Doman 13.0L 4-cyl kerosene |
|---|
Transmission| (no label) | 2-speed gear |
|---|
Power| Drawbar (claimed) | 25 hp | 18.6 kW |
|---|
| Belt (claimed) | 40 hp | 29.8 kW |
|---|
| Plows | 5-6 (14-inch) |
|---|
Mechanical| Drive | half-track |
|---|
| (no label) | Manual steering |
|---|
| (no label) | Open operator station with four-post canopy. |
|---|
Dimensions| Weight | 6500 lbs | 2948 kg |
|---|
| Rear tire | tracks |
|---|
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| (no label) | Doman |
|---|
| (no label) | kerosene |
|---|
| (no label) | 4-cylinder |
|---|
| (no label) | 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| Type | gear |
|---|
| Gears | 2 forward and 1 reverse |
|---|
Dimensions
Dimensions| Length | 153 inches | 388 cm |
|---|
| Width | 64 inches | 162 cm |
|---|
| Height | 96 inches | 243 cm |
|---|
| Weight | 6500 lbs | 2948 kg |
|---|