International Harvester 946

The International Harvester 946 is a tractor produced by International Harvester. It is equipped with a 309.55 ci 5.1 L engine. The listed engine power is Diesel (listed): 85 hp / 63.4 kW. Transmission: 16 forward and 7 reverse. Drive type: 4x2 2WD. Operating weight: 8489 lbs (9371 MFWD) 3850 kg.

Engine Power

Diesel (listed): 85 hp / 63.4 kW

Drive & Traction

4x2 2WD

Fuel & Capacities

29.1 gal 110.1 L

Transmission

16 forward and 7 reverse

Operating Weight

8489 lbs (9371 MFWD) 3850 kg

Overview

	1971 - 1977

Production
Manufacturer	International Harvester
Built in Neuss, Germany

International Harvester 946 Engine
International Harvester 5.1L 6-cyl diesel
Fuel tank	29.1 gal 110.1 L
Engine details ...

International Harvester 946 Power
Engine	85 hp 63.4 kW

Mechanical
Drive	4x2 2WD
	4x4 MFWD 4WD optional

Hydraulics
Pump flow	10.0 gpm 37.9 lpm

Tractor hitch
Rear lift	6615 lbs 3000 kg

Power Take-off (PTO)
Rear PTO Type	540, 1000

Dimensions & Tires
Wheelbase	104.72 inches 265 cm
Weight	8489 lbs 3850 kg
Front tire	7.50-18
Rear tire	16.9-34
Full dimensions and tires ...

Engine

Engine Detail — 309.55 ci / 5.1 L Diesel

Manufacturer	International Harvester
Fuel Type	Diesel
Configuration	6-cylinder, liquid-cooled
Displacement	309.55 ci 5.1 L
Bore/Stroke	3.875x inches 98 x 111 mm
Power	85 hp 63.4 kW
Rated RPM	2100

Transmission

Transmission options
12-speed
16-speed

Transmission — 12 forward and 5 reverse

Gears

12 forward and 5 reverse

Transmission — 16 forward and 7 reverse

Gears

16 forward and 7 reverse

Dimensions

International Harvester 946 Tires
Ag front	7.50-18
	11.2-24 (MFWD)
Ag rear	16.9-34

Dimensions
Wheelbase	104.72 inches 265 cm
Length	157.48 inches 399 cm
Height	104.72 inches 265 cm
Weight	8489 lbs (9371 MFWD) 3850 kg

Photos

International Harvester 946 tractor photo

Recommended Implements & Sizing Guide

Engineering recommendations for International Harvester 946 based on its 85 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	3 to 4 Bottom (16")3 - 4 铧 (40 cm)	Heavy Duty	Suitable for medium loam and stubble turnover.
Rotary Cutter / MowerMowing & Clearing	7 to 8 ft (84-96 in)2.1 - 2.4 m	Heavy Duty	Heavy-duty twin spindle cutter for overgrown acreage.
Rotary TillerSeedbed Prep	78 to 84 in200 - 215 cm	Heavy Duty	Heavy commercial tiller with multi-speed gearbox.
Disc HarrowSecondary Tillage	10 to 14 ft Tandem / Offset3.0 - 4.2 m 重型交错耙	Heavy Duty	Aggressive residue cutting in corn/cotton stubble.
Hay BalerHay & Forage	4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机	Heavy Duty	Silage and dry hay; 540 RPM PTO with slip-clutch.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for International Harvester 946.

Estimated Continuous Field Runtime: 6.6 hrs

Approximately 6.6 hours of continuous field operation at ~75% rated power on a full tank (29.1 gal / 110.2 L).

Estimated 75% Load Fuel Burn~4.4 gal/hr (16.7 L/hr)

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