Avery 25-50
The Avery 25-50 is a tractor produced by Avery. It is equipped with a 1061.9 ci 17.4 L engine. Transmission: 2 forward and 1 reverse. Operating weight: 12,500 lbs 5670 kg.
Fuel & Capacities
50 gal
189.2 L
Transmission
2 forward and 1 reverse
Operating Weight
12,500 lbs
5670 kg
Overview
 | 1916 - 1923
Standard-tread tractor |
|---|
Production | |
|---|---|
Manufacturer | Avery |
Standard-tread tractor | |
Built in Peoria, Illinois, USA | |
Original price | $2,350 |
Avery 25-50 Engine | |
|---|---|
Avery 17.4L 4-cyl kerosene | |
Fuel tank | 50 gal
189.2 L |
Aux. fuel | 5 gal
18.9 L |
Engine details ...  | |
Avery 25-50 Transmission | |
|---|---|
2-speed unsynchronized gear | |
Transmission details ...  |
Avery 25-50 Power | |
|---|---|
Drawbar (claimed) | 25 hp
18.6 kW |
Belt (claimed) | 50 hp
37.3 kW |
Drawbar (tested) | 32.62 hp
24.3 kW |
Belt (tested) | 56.68 hp
42.3 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive |
Dimensions & Tires | |
|---|---|
Weight | 12,500 lbs
5670 kg |
Front tire | 38x10 |
Rear tire | 69x20 |
Full dimensions and tires ...  | |
Engine
Engine Detail — 1061.9 ci / 17.4 L Kerosene
Manufacturer | Avery |
Fuel Type | Kerosene |
Configuration | 4-cylinder, liquid-cooled opposed horizontal |
Displacement | 1061.9 ci
17.4 L |
Bore/Stroke | 6.50x8.00 inches
165 x 203 mm |
Rated RPM | 700 |
Coolant capacity | 220 qts
208.2 L |
Transmission
Transmission — 2 forward and 1 reverse unsynchronized gear
Type | unsynchronized gear |
Gears | 2 forward and 1 reverse |
 | |
Dimensions
Avery 25-50 Tires | |
|---|---|
Ag front | 38x10 steel |
Ag rear | 69x20 steel |
Dimensions | |
|---|---|
Length | 176 inches
447 cm |
Width | 90.5 inches
229 cm |
Height | 108 inches
274 cm |
Operating weight | 12,500 lbs
5670 kg |
Tests
Nebraska Tractor Test 43 | |
|---|---|
Kerosene 2-speed 2WD
July 26 - 30, 1920
Link: Nebraska Tractor Test 43 file | |
Belt power (max) | 56.68 hp
42.3 kW |
Belt fuel use (max) | 7.0 gal/hour
26.5 l/hour |
Drawbar performance | |
Max power | 32.62 hp
24.3 kW |
Gear 2 used for power test. | |
Max pull | 3,225 lbs
1462 kg |
Photos
Avery 25-50
Avery 25-50
Avery 25-50
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Avery 25-50.
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 25-50 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Avery 25-50.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
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