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. The rated power output is 56.68 hp 42.3 kW. Transmission: 2 forward and 1 reverse. Operating weight: 12,500 lbs 5670 kg.

Overview

	1916 - 1923 Standard-tread tractor
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