Leader 15-25
The Leader 15-25 is a tractor produced by Leader. It is equipped with a 302 ci 4.9 L engine. Transmission: 2 forward and reverse. Operating weight: 5000 lbs 2268 kg.
Fuel & Capacities
Kerosene
Transmission
2 forward and reverse
Operating Weight
5000 lbs
2268 kg
Leader 15-25 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
![]() | 1917
Standard-tread tractor |
|---|---|
1917 | |
Standard-tread tractor | |
Production | |
|---|---|
Manufacturer | Leader (a part of Dayton-Dick) |
Standard-tread tractor | |
Built in Quincy, Illinois, USA | |
Leader 15-25 Engine | |
|---|---|
Erd 4.9L 4-cyl kerosene | |
Engine details ... |
Leader 15-25 Transmission | |
|---|---|
2-speed gear | |
Transmission details ... |
Leader 15-25 Power | |
|---|---|
Drawbar (claimed) | 15 hp
11.2 kW |
Belt (claimed) | 25 hp
18.6 kW |
Plows | 3-4 (14-inch) |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Weight | 5000 lbs
2268 kg |
Rear tire | 48x12 |
Full dimensions and tires ... | |
Engine
Engine Detail — 302 ci / 4.9 L Kerosene
Manufacturer | Erd |
Fuel Type | Kerosene |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 302 ci
4.9 L |
Bore/Stroke | 4.00x6.00 inches
102 x 152 mm |
Fuel system | Kingston carburetor |
Rated RPM | 750 |
Starter type | hand crank |
Transmission
Transmission — 2 forward and reverse gear
Type | gear |
Gears | 2 forward and reverse |
![]() | |
Dimensions
Leader 15-25 Tires | |
|---|---|
Ag rear | 48x12 (steel) |
Dimensions | |
|---|---|
Length | 134 inches
340 cm |
Width | 60 inches
152 cm |
Height | 60 inches
152 cm |
Weight | 5000 lbs
2268 kg |
Related models
Leader D
- Power:
- 31
- Production years:
- 1947 - 1949
Leader B
- Power:
- 31
- Production years:
- 1945 - 1946
Leader C 18-36
- Power:
- 40
- Production years:
- 1920 - 1920
Leader D 25-40
- Power:
- 44.4
- Production years:
- 1920 - 1920
Leader GU 16-32
- Power:
- 35.6
- Production years:
- 1920 - 1923

