McCormick-Deering T-35

Last Updated: July 2024

Overview

The McCormick-Deering T-35 is a model from International Harvester's line of agricultural crawler tractors. It is designed primarily for agricultural work, with a crawler chassis and track drive system. The T-35 is powered by a 278.7 cubic-inch, 6-cylinder International Harvester distillate engine, producing power at a rated RPM of 1750. The cooling system is water-cooled. This tractor is equipped with a gear-driven transmission, offering 5 forward and 1 reverse speed. The operating weight of the tractor stands at 10,600 lbs with the operator, as per the Nebraska Tractor Test Laboratory Report 278. The report also provides detailed performance metrics, gear ratios, and specifications for components like the carburetor, clutch, air cleaner, and track dimensions.
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Key Specifications

Category: Agricultural, Crawler

Transmission: Gear

Drive Type: Track

Operating Weight: 10,600

Fuel Type: Distillate

McCormick-Deering T-35 vs. Similar Tractors

Operating Weight
Poor
Greater than 5% of similar tractors.

Technical Specifications

Engine

Manufacturer
International Harvester
Model
-
Cooling Type
-
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Distillate
Induction Type
-
Cylinders
6
Displacement (ci)
278.7
Bore (in)
3.625
Stroke (in)
4.5
Rated RPM
1750
Power Output (hp)
-

Transmission

Type
Gear
Forward Gears
5
Reverse Gears
1
Total Gears
-

Dimensions

Length (in)
-
Width (in)
-
Height (in)
-
Operating Weight (lb)
10,600

Power Take-Off (PTO)

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

Miscellaneous

Chassis
Crawler
Drive Type
Track
Steering Type
-
Coolant Capacity (qts)
48
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
-
Manufacture - End Year
-
Hitch Type
-
Hitch Category
Category 3
Hitch Position
-
Hitch Capacity (lb)
-
Operator Station Type
-
Starter Type
-
Brake Type
-
Hydraulic System Type
-

Test Results

Nebraska Tractor Test Laboratory - Test Date: April 19 to May 10, 1937

Brake Horsepower Tests

  • Maximum Brake Horsepower (Belt): 42.17 HP at 1750 rpm
  • Fuel Consumption at Maximum Brake Horsepower: 4.722 Gal/hr with a fuel efficiency of 0.774 lb/HP.hr
  • Cooling System Water Consumption: 8.93 Gal/hr
  • Barometric Pressure: 28.860 inches of Mercury

Drawbar Horsepower Tests

  • Maximum Drawbar Horsepower (Third Gear): 35.91 HP with a drawbar pull of 4721 lbs
  • Fuel Consumption at Maximum Drawbar Horsepower: 4.917 Gal/hr with a fuel efficiency of 1.57 lb/HP.hr
  • Cooling System Water Consumption: Not Recorded
  • Barometric Pressure: 28.790 inches of Mercury

Operating Maximum Load

  • Drawbar Horsepower at Operating Maximum Load: 32.69 HP with a drawbar pull of 3630 lbs
  • Fuel Consumption at Maximum Load: 4.211 Gal/hr with a fuel efficiency of 1.56 lb/HP.hr
  • Barometric Pressure: 28.850 inches of Mercury

Brief Specifications

  • Bore and Stroke: 3 5/8" x 4 1/2"
  • Rated RPM: 1750
  • Total Weight (with operator): 10,600 pounds

Remarks and Adjustments

  • Observed Maximum Horsepower:
  • Drawbar: 35.04 HP
  • Belt: 42.17 HP
  • Sea-level (Calculated) Maximum Horsepower:
  • Drawbar: 37.18 HP
  • Belt: 43.60 HP



Nebraska Tractor Test Lab. (1937). Test 278: McCormick-Deering Model T-35 (Distillate). Lincoln, NE: University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/880

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