Avery 40-80

Last Updated: July 2024

Overview

The Avery 40-80 is an enduring, versatile 2WD tractor. With a 1509.5 cubic-inch, 4-cylinder engine, this Avery model is able to tackle a variety of tasks. The tractor, which employs a 2-speed gear transmission, supports a manual steering system making it simpler for the operators. Its liquid-cooled engine ensures the tractor can function optimally for long hours. The operating weight of the Avery 40-80 is 22000 lbs which demonstrates its robust build. This tractor measures 215 inches in length, 111.5 inches in width, and stands 121 inches tall, displaying a formidable size on the field. For enhanced traction and support, it uses 42x16 front tires and 87.5x24 rear tires. The engine operates at 500-600 RPM and can produce a maximum power of 60.67 HP with a fuel consumption of 8.21 Gal/hr at maximum power.

Key Specifications

Transmission: Gear

Drive Type: 2WD

Operating Weight: 22000

Fuel Type: Kerosene

Technical Specifications

Engine

Manufacturer: Avery
Model: -
Cooling Type: Liquid
Cylinder Orientation: Horizontal
Valve Configuration: -
Fuel Type: Kerosene
Induction Type: -
Cylinders: 4
Displacement (ci): 1509.5
Bore (in): 7.75
Stroke (in): 8
Rated RPM: 500-600
Power Output (hp): -

Transmission

Type: Gear
Forward Gears: 2
Reverse Gears: 1
Total Gears: -

Dimensions

Length (in): 215
Width (in): 111.5
Height (in): 121
Operating Weight (lb): 22000

Power Take-Off (PTO)

PTO Type: -
PTO Speed 1 (rpm): -
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2 2WD
Drive Type: 2WD
Steering Type: Manual
Coolant Capacity (qts): 360
Front Tire Diameter (in): 42
Front Tire Width (in): 16
Rear Tire Diameter (in): 87.5
Rear Tire Width (in): 24
Front/Rear Rim Diameter (in): -
Tire Type: Steel
Manufacture - End Year: -
Hitch Type: -
Hitch Category: -
Hitch Position: -
Hitch Capacity (lb): -
Operator Station Type: -
Starter Type: -
Brake Type: -
Hydraulic System Type: -

Test Results

Nebraska Tractor Test Laboratory - Test Date: July 26 to August 1, 1920

Maximum Power and Fuel Consumption

Maximum Power: 60.67 HP (45.25 kW)
Fuel Consumption at Maximum Power: 8.21 Gal/hr (31.07 l/h) with a fuel efficiency of 0.671 lb/hp.hr (0.408 kg/kW.h)

Drawbar Performance

Power at Rated Engine Speed: 40.07 HP (29.87 kW)
Fuel Consumption at Rated Speed: 4.37 Gal/hr (16.54 l/h) with a fuel efficiency of 2.25 lb/hp.hr (1.37 kg/kW.h)

Torque and Engine Performance

Oil Consumption During Test: 12 gallons (45.42 liters) for the engine and 3 gallons (11.36 liters) for the transmission
Maximum Load Test (Lowest and Highest Gear): 40.07 HP (29.87 kW) at 600 RPM on kerosene

General Remarks

Endurance: The tractor showed no undue wear in any part after the test, indicating a good condition.
Repairs and Adjustments: Only required changing all spark plugs once during the test.

Nebraska Tractor Test Lab, "Test 044: Avery 40-80" (1920). Nebraska Tractor Tests. 661. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/661