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International Harvester T-6

The International Harvester T-6 is a tractor produced by International Harvester. It is equipped with a 247.7 ci 4.1 L engine. Transmission: 5 forward and 1 reverse. Drive type: crawler. Operating weight: 6930 to 7500 pounds.

Drive & Traction
crawler
Fuel & Capacities
20 gal 75.7 L
Transmission
5 forward and 1 reverse
Operating Weight
6930 to 7500 pounds

Overview

International Harvester T-6 tractor photo
1940 - 1969 Model year 1940-19561956-19601959-1969 Agricultural Crawler tractor
Production
Manufacturer
International Harvester
Agricultural Crawler tractor
Total built
38,450
Variants
T-6
gasoline engine
TD-6
diesel engine
International Harvester T-6 Engine
International Harvester 4.1L 4-cyl gasoline
Fuel tank
20 gal 75.7 L
Engine details ...
International Harvester T-6 Transmission
5-speed gear
Transmission details ...
International Harvester T-6 Power
Plows
4
Drawbar (tested)
30.85 hp 23.0 kW
Belt (tested)
36.96 hp 27.6 kW
Performance test details ...
Mechanical
Drive
crawler
Open operator station.
Dimensions & Tracks
Weight
6930 to 7500 pounds
12-inch tracks
Full dimensions and tracks ...
References
T-6 references literature
Crawler Tractors for Agriculture - Confidential Sales Manual published in 1951, by International Harvester
General Line Catalog published in 1949, by International Harvester

Engine

Engine Detail — 247.7 ci / 4.1 L Gasoline

Manufacturer
International Harvester C-248
Fuel Type
Gasoline
Configuration
4-cylinder, liquid-cooled vertical I-head
Displacement
247.7 ci 4.1 L
Bore/Stroke
3.875x5.25 inches 98 x 133 mm
Rated RPM
1450
Firing order
1-3-4-2
Oil capacity
9 qts 8.5 L
Coolant capacity
38 qts 36.0 L

Transmission

Transmission — 5 forward and 1 reverse gear

Type
gear
Gears
5 forward and 1 reverse
Oil capacity
16 qts 15.1 L
T-6 gear speeds

Dimensions

International Harvester T-6 Tracks
Width
12 inches 30 cm
Dimensions
Length
104 inches 264 cm
Width
63 inches 160 cm
Height
58 inches 147 cm
International Harvester T-6 Weight
Shipping
6930 lbs (narrow-gauge) 3143 kg
7130 lbs (wide-gauge) 3234 kg
Operating
7500 lbs 3402 kg

Tests

Tractor Tests
NTTL 346: gasoline 5-speed crawler
NTTL 347: distillate 5-speed crawler
Nebraska Tractor Test 346
Gasoline 5-speed crawler May 14 - June 6, 1940
Belt power (max)
36.96 hp 27.6 kW
Belt fuel use (max)
3.0 gal/hour 11.4 l/hour
Drawbar performance
Max power
30.85 hp 23.0 kW
Gear 2 used for power test.
Max pull
7,652 lbs 3470 kg
Gear 1 used for pull test.
Nebraska Tractor Test 347
Distillate 5-speed crawler May 22 - June 10, 1940
Belt power (max)
34.54 hp 25.8 kW
Belt fuel use (max)
2.8 gal/hour 10.6 l/hour
Drawbar performance
Max power
29.53 hp 22.0 kW
Gear 2 used for power test.
Max pull
7,434 lbs 3372 kg
Gear 1 used for pull test.

Photos

International T-6, left side.

International T-6, left side.

International T-6, right side.

International T-6, right side.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for International Harvester T-6.

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

International Harvester T-6 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for International Harvester T-6.

Converted Equivalents:

Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS

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