Avery 12-20
The Avery 12-20 is a tractor produced by Avery. It is equipped with a 360.8 ci 5.9 L engine. Transmission: 2 forward and 1 reverse. Operating weight: 5,500 lbs 2494 kg.
Fuel & Capacities
16 gal
60.6 L
Transmission
2 forward and 1 reverse
Operating Weight
5,500 lbs
2494 kg
Overview
![]() | 1920 - 1922 |
|---|
Production | |
|---|---|
Manufacturer | Avery |
Built in Peoria, Illinois | |
Avery 12-20 Engine | |
|---|---|
Avery 5.9L 4-cyl kerosene | |
Fuel tank | 16 gal
60.6 L |
Aux. fuel | 6 gal
22.7 L |
Engine details ... | |
Avery 12-20 Transmission | |
|---|---|
2-speed | |
Transmission details ... |
Avery 12-20 Power | |
|---|---|
Drawbar (claimed) | 12 hp
8.9 kW |
Belt (claimed) | 20 hp
14.9 kW |
Drawbar (tested) | 17.6 hp
13.1 kW |
Belt (tested) | 24.3 hp
18.1 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Two-wheel drive |
Dimensions & Tires | |
|---|---|
Weight | 5,500 lbs
2494 kg |
Front tire | 32x5 |
Rear tire | 52x14 |
Full dimensions and tires ... | |
Engine
Engine Detail — 360.8 ci / 5.9 L Kerosene
Manufacturer | Avery |
Fuel Type | Kerosene |
Configuration | 4-cylinder, liquid-cooled horizontal opposed |
Displacement | 360.8 ci
5.9 L |
Bore/Stroke | 4.375x6.00 inches
111 x 152 mm |
Rated RPM | 800 |
Coolant capacity | 44 qts
41.6 L |
Transmission
Transmission — 2 forward and 1 reverse
Gears | 2 forward and 1 reverse |
Dimensions
Avery 12-20 Tires | |
|---|---|
Ag front | 32x5 steel |
Ag rear | 52x14 steel |
Dimensions | |
|---|---|
Length | 130 inches
330 cm |
Width | 56 inches
142 cm |
Height | 78 inches
198 cm |
Weight | 5,500 lbs
2494 kg |
Tests
Nebraska Tractor Test 41 | |
|---|---|
July 1920 | |
Belt power (max) | 24.3 hp
18.1 kW |
Drawbar performance | |
Max power | 17.6 hp
13.1 kW |
Max pull | 2,608 lbs
1182 kg |
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Avery 12-20.
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 12-20 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Avery 12-20.
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 15-25
- Power:
- 27.8
- Production years:
- 1922 - 1924
Avery Track Runner
- Power:
- -1
- Production years:
- 1922 - 1925
Avery 5-10
- Power:
- 11.1
- Production years:
- 1920 - 1922
