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. Transmission: 3 forward and 1 reverse. Operating weight: 5000 lbs 2268 kg.
Fuel & Capacities
33 gal
124.9 L
Transmission
3 forward and 1 reverse
Operating Weight
5000 lbs
2268 kg
Overview
![]() | 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 | |
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Avery 4.5L 4-cyl gasoline | |
Fuel tank | 33 gal
124.9 L |
Engine details ... | |
Avery 15-25 Transmission | |
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3-speed gear | |
Transmission details ... |
Avery 15-25 Power | |
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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 | |
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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 |
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Avery 15-25.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Avery 15-25 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Avery 15-25.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Related models
Avery Ro-Trak
- Power:
- -1
- Production years:
- 1938 - 1941
Avery 20-35
- Power:
- 38.9
- Production years:
- 1923 - 1927
Avery Track Runner
- Power:
- -1
- Production years:
- 1922 - 1925
Avery 12-20
- Power:
- 22.2
- Production years:
- 1920 - 1922
Avery 5-10
- Power:
- 11.1
- Production years:
- 1920 - 1922

