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Home / Farm Tractors / International Harvester Tractors / IH 946

International Harvester 946

The International Harvester 946 is a 2WD or 4WD farm tractor. This model was manufactured from 1971 to 1977. The IH 946 tractor is powered by International Harvester D310 4-stroke 6-cylinder direct injection water-cooled diesel engine with a max output power of 85 hp (63.4 kilowatt) at 2100 rpm.

The International Harvester 946 is fitted with 2 types of transmission. 1st type: 12x5 fully synchronized transmission. 2nd type: 16x7 fully synchronized transmission. Max. forward speed - 14.5 mph (23.3 kph), maximum reverse speed - 13.6 mph (21.9 kph).

The open center hydraulic system includes a gear pump with a flow of 10 gpm (37.9 lpm). The hydraulic system pressure is 138 bar (2000 psi). The two-wheel drive models are equipped with 7.50x18 front tyres and 16.9x34 rear tyres. The 11.2x24 front tyres and 16.9x34 rear tyres fit four-wheel drive tractors. The wheelbase is 104.7 in (2650 mm).

Engine
Engine Model International Harvester D310
Engine Type 4-Stroke, six-cylinder diesel
Number of Cylinders 6
Displacement, cu in (L) 309.6 (5.10)
Aspiration Natural
Engine Bore, in (mm) 3.88 (98.0)
Engine Stroke, in (mm) 4.38 (111.0)
Rated Engine Power, hp (kW) 85.0 (63.4)
Rated Engine Speed, rpm 2100
Compression 17:1
Firing Order 1-5-3-6-2-4
Fuel System Direct Injection
Lubricating Type Full flow
Air Cleaner Dry element
Fuel Tank Capacity, gal (L) 29.1 (110.1)
Oil Capacity, qts (L) 12.0 (11.4)
Coolant Capacity, qts (L) 21.0 (19.9)
Electrical System Rating, Volts 12

Power Take-Off
PTO Operational Type Independent
PTO Horsepower, hp (kW) 74.0 (54.8)
PTO Clutch Dry disc
PTO Speed, rpm 540/1000
PTO / Engine Speed, rpm 540/2100
PTO / Engine Speed, rpm 1000/2100

Standard Transmission
Transmission Type Fully synchronized
Gearbox Type 12F/5R
Number of Forward Gears 12
Number of Reverse Gears 5
Clutch Type Dry disc
Maximum Forward Speed, mph (kph) 14.5 (23.3)
Maximum Reverse Speed, mph (kph) 13.6 (21.9)


Optional Transmission
Transmission Type Fully synchronized
Gearbox Type 16F/7R
Number of Forward Gears 16
Number of Reverse Gears 7
Clutch Type Dry disc
Maximum Forward Speed, mph (kph) 15.2 (24.5)
Maximum Reverse Speed, mph (kph) 13.6 (21.9)

Wheels and Tires
Drive Wheels 2WD/4WD
Steering Configuration Front steer
Steering System Hydrostatic power
Brakes Type Hydraulic dry disc
Front Tire Size (2WD) 7.50-18
Rear Tire Size (2WD) 16.9-34
Front Tire Size (4WD) 11.2-24
Rear Tire Size (4WD) 16.9-34

Hydraulic System
Hydraulic System Type Open Center
Hydraulic Pump Type Gear
Implement Pump Flow, gpm (Lpm) 10.0 (37.9)
Hydraulic Pressure, Bar (psi) 138 (2000)
3-Point Hitch Category 2
Standard Lift Capacity at lift pin, lb (kg) 6615 (3000)

Dimensions and Weight
Wheelbase, in (mm) 104.7 (2650)
Length, in (mm) 157.5 (3990)
Height (Exhaust), in (mm) 104.7 (2650)
Overall Width, in (mm) 90 (2275)
Turning Radius, in (mm) 162 (4100)
Weight (2WD), lb (kg) 8490 (3850)
Weight (4WD), lb (kg) 9370 (4260)

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