Avery 15-25
The Avery 15-25 is a tractor produced by Avery. It is equipped with a 276.5 ci 4.5 L engine. The rated power output is 30.6 hp 22.8 kW. Transmission: 3 forward and 1 reverse. Operating weight: 5000 lbs 2268 kg.
Engine Power
30.6 hp
22.8 kW
Fuel & Capacities
33 gal
124.9 L
Transmission
3 forward and 1 reverse
Operating Weight
5000 lbs
2268 kg
Avery 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
![]() | 1922 - 1924
Half-track Crawler tractor |
|---|---|
1922 - 1924 | |
Half-track Crawler tractor | |
Production | |
|---|---|
Manufacturer | Avery |
Half-track Crawler tractor | |
Built in Peoria, Illinois, USA | |
The Avery 15-25 "Track Runner" featured two wheels in the front and two tracks in the rear. | |
Avery 15-25 Engine | |
|---|---|
Avery 4.5L 4-cyl gasoline | |
Fuel tank | 33 gal
124.9 L |
Engine details ... | |
Avery 15-25 Transmission | |
|---|---|
3-speed gear | |
Transmission details ... |
Avery 15-25 Power | |
|---|---|
Drawbar (claimed) | 15 hp
11.2 kW |
Belt (claimed) | 25 hp
18.6 kW |
Drawbar (tested) | 20.13 hp
15.0 kW |
Belt (tested) | 30.6 hp
22.8 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Two-wheel drive | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Weight | 5000 lbs
2268 kg |
Front tire | 26x3 |
Rear tire | tracks |
Full dimensions and tires ... | |
Engine
Engine Detail — 276.5 ci / 4.5 L Gasoline
Manufacturer | Avery |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled vertical |
Displacement | 276.5 ci
4.5 L |
Bore/Stroke | 4.00x5.00 inches
102 x 127 mm |
Rated RPM | 1125 |
Transmission
Transmission — 3 forward and 1 reverse gear
Type | gear |
Gears | 3 forward and 1 reverse |
Clutch | mechanical disc |
![]() | |
Dimensions
Avery 15-25 Tires | |
|---|---|
Ag front | 26x3 steel |
Ag rear | tracks |
Dimensions | |
|---|---|
Length | 108 inches
274 cm |
Width | 48 inches
121 cm |
Height | 58 inches
147 cm |
Weight | 5000 lbs
2268 kg |
Tests
Nebraska Tractor Test 89 | |
|---|---|
Gasoline 3-speed half-track
March 16 - April 12, 1923
Link: Nebraska Tractor Test 89 file | |
Belt power (max) | 30.6 hp
22.8 kW |
Drawbar performance | |
Max power | 20.13 hp
15.0 kW |
Max pull | 3280 lbs
1487 kg |
Related models
Avery 14-28
- Power:
- 31.1
- Production years:
- 1919 - 1922
Avery 12-25
- Power:
- 27.8
- Production years:
- 1912 - 1922
Avery 18-36
- Power:
- 27
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- 1916 - 1922
Avery Ro-Trak
- Power:
- -1
- Production years:
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Avery 20-35
- Power:
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- Production years:
- 1923 - 1927

