Avery 20-35

Last Updated: July 2024

Overview

The Avery 20-35 is a classic tractor, featuring an Avery engine with a displacement of 522.6 cubic inches. This model operates with 2 forward gears and 1 reverse gear, totaling 3 gears. The chassis design is a four-wheel structure with 2-wheel drive. It measures 152 inches in length, 68 inches in width, and 80 inches in height, with an operating weight of 7550 lbs. The tractor uses steel tires, with front dimensions of 36x6 inches and rear dimensions of 60x16 inches. The Avery 20-35 runs on kerosene fuel and operates at a rated engine RPM of 900, delivering a maximum power of 37.33 HP. The engine features removable cylinder sleeves and a shoe clutch.

Key Specifications

Transmission: Manual

Drive Type: 2WD

Operating Weight: 7550

Fuel Type: Kerosene

Image Gallery

Avery 20-35 Tractor

Technical Specifications

Engine

Manufacturer: Avery
Model: -
Cooling Type: -
Cylinder Orientation: Opposed Horizontal
Valve Configuration: -
Fuel Type: Kerosene
Induction Type: -
Cylinders: 4
Displacement (ci): 522.6
Bore (in): 4.875
Stroke (in): 7
Rated RPM: 900
Power Output (hp): -

Transmission

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

Dimensions

Length (in): 152
Width (in): 68
Height (in): 80
Operating Weight (lb): 7550

Power Take-Off (PTO)

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

Miscellaneous

Chassis: Four-wheel
Drive Type: 2WD
Steering Type: -
Coolant Capacity (qts): -
Front Tire Diameter (in): 36
Front Tire Width (in): 6
Rear Tire Diameter (in): 60
Rear Tire Width (in): 16
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: June 24 to July 2, 1923

Maximum Power and Fuel Consumption

Maximum Power: 37.33 HP at 893 RPM
Fuel Consumption at Maximum Power: 2.61 Gal/hr with a fuel efficiency of 0.702 lb/HP.hr

Drawbar Performance

Drawbar Power at Rated Engine Speed: 28.43 HP at 907 RPM
Drawbar Fuel Consumption at Rated Speed: 0.700 lb/HP.hr with a fuel efficiency of 18.7 HP.hr/gal

Belt Performance

Belt Power at Rated Engine Speed: 35.34 HP at 900 RPM
Belt Fuel Consumption at Rated Speed: 0.702 lb/HP.hr with a fuel efficiency of 18.7 HP.hr/gal

Engine Performance

Maximum Torque: Not explicitly provided, derived from maximum power and RPM
Fuel Type: Kerosene weighing 6.78 lb/gal

Repairs and Adjustments

Engine: Adjusted push rods, replaced broken valve springs
Valves: Ground exhaust valves, replaced intake valve spring
Lubricator: Replaced broken bolt in lubricator support

NTTL.(1923).Nebraska Tractor Test 96 for Avery 20-35. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/717