International Harvester 645
The International Harvester 645 is a tractor produced by International Harvester. It is equipped with a 206.4 ci 3.4 L engine. The listed engine power is Diesel (listed): 66 hp / 49.2 kW. Operating weight: 8160 lbs 3701 kg.
Engine Power
Diesel (listed): 66 hp / 49.2 kW
Fuel & Capacities
Diesel
Operating Weight
8160 lbs
3701 kg
Overview
![]() | 1980 - 1985
Utility tractor |
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Production | |
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Manufacturer | International Harvester |
Utility tractor | |
Built in Saint Dizier, France | |
International Harvester 645 Engine | |
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International Harvester 3.4L 4-cyl diesel | |
Engine details ... |
International Harvester 645 Power | |
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Engine | 66 hp
49.2 kW |
Mechanical | |
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Two-wheel drive | |
Open operator station. |
Tractor hitch | |
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Rear Type | II |
Dimensions & Tires | |
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Weight | 8160 lbs
3701 kg |
Full dimensions and tires ... | |
Engine
Engine Detail — 206.4 ci / 3.4 L Diesel
Manufacturer | International Harvester D-206 |
Fuel Type | Diesel |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 206.4 ci
3.4 L |
Bore/Stroke | 3.875x4.38 inches
98 x 111 mm |
Power | 66 hp
49.2 kW |
Rated RPM | 2180 |
Transmission
Transmission |
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Dimensions
International Harvester 645 Tires |
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Dimensions | |
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Length | 138.6 inches
352 cm |
Width | 75.6 inches
192 cm |
Height | 88.6 inches
225 cm |
Weight | 8160 lbs
3701 kg |
Photos
Recommended Implements & Sizing Guide
Engineering recommendations for International Harvester 645 based on its 66 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 | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
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 645.
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 645 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for International Harvester 645.
Converted Equivalents:
Horsepower (HP)66 hp
Kilowatts (kW)49.2 kW
Metric Horsepower (PS / CV)66.9 PS
Direct Competitor Comparison
Compare International Harvester 645 against same-era industry alternatives in the same horsepower class.
Current Model
International Harvester
International Harvester 645
Engine Power:Diesel (listed): 66 hp / 49.2 kW
★ Baseline Reference
Related models
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International Harvester BTD-6
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International Harvester 606
- Power:
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- Production years:
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