Minneapolis 22-44

Last Updated: July 2024

Overview

The Minneapolis 22-44 tractor, a creation of the Minneapolis Threshing Machine Company, is a historical piece of agricultural machinery. Powered by a 791.7 cubic inch, 4-cylinder kerosene engine with a horizontal cylinder orientation and valve-in-head configuration, it delivers a maximum belt horsepower of 44.82 HP. The engine operates at a rated speed of 700 RPM and is liquid-cooled. The tractor employs a gear transmission system with two forward gears and one reverse gear. Its physical dimensions are 167 inches in length, 96 inches in width, and 110 inches in height, with an operating weight of 12,410 pounds. The tractor features a 4-wheel chassis and underwent several minor repairs and adjustments during testing.
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Key Specifications

Transmission: Gear

Operating Weight: 12410

Fuel Type: Kerosene

Technical Specifications

Engine

Manufacturer
Minneapolis Threshing Machine
Model
-
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Kerosene
Induction Type
Naturally Aspirated
Cylinders
4
Displacement (ci)
791.7
Bore (in)
6
Stroke (in)
7
Rated RPM
700
Power Output (hp)
-

Transmission

Type
Gear
Forward Gears
2
Reverse Gears
1
Total Gears
-

Dimensions

Length (in)
167
Width (in)
96
Height (in)
110
Operating Weight (lb)
12410

Power Take-Off (PTO)

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

Miscellaneous

Chassis
-
Drive Type
-
Steering Type
-
Coolant Capacity (qts)
56
Front Tire Diameter (in)
38
Front Tire Width (in)
8
Rear Tire Diameter (in)
66
Rear Tire Width (in)
20
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
Hand Crank
Brake Type
-
Hydraulic System Type
-

Test Results

Nebraska Tractor Test Laboratory - Test Date: May 18 to June 3, 1920

Maximum Power and Fuel Consumption

  • Maximum Belt Horsepower: 44.82 HP
  • Fuel Consumption (Maximum Load): 6.74 Gal/hr with a fuel efficiency of 10.0 HP.hr/gal

Drawbar Performance

  • Drawbar Horsepower (Rated Load): 25.35 HP at 2.70 mph
  • Fuel Consumption at Rated Load: 6.98 Gal/hr with a fuel efficiency of 3.63 HP.hr/gal

Engine and Performance

  • Rated Engine Speed: 700 rpm
  • Engine Type: 4-cylinder, horizontal, valve-in-head

Miscellaneous

  • Total Weight: 12410 lbs
  • Chassis: 4-wheel



NTTL.(1920).Test 014: Minneapolis 22-44. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/619

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